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Physiology
Audio lectures Test 1
296
Medical
Professional
01/23/2008

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Cards

Term
T/F you can go beyond your genetic core?
Definition
False
Term
The cell chooses what traits to be shown is called?
Definition
genetic expression
Term
genes that are used only during fetal development and never used again unless you get cancer are called?
Definition
developmental expression
Term
if the developmental expression proteins come back in a case of cancer it is called what?
Definition
onco fetal antigens proteins
Term

If your kidneys never rise in fetal development what is that called?

(example of developmental expression gone wrong) 

Definition
ectopic kidneys
Term
observable differences of cell types is called?
Definition
phenotype
Term
the ability of cells to communicate with one another is called?
Definition
cellular communication
Term
Genetic information is the result of recombination of genetic characterstics from parents is called?
Definition

Genetic information potential

(23 sets of genetic information; 23 from dad, 23 from mom, 46 recombined) 

Term
premature puberty is a sign of what?
Definition
post natal development funtioning improperly
Term
What are some environmental influences?
Definition

biological environment-body has been fine tuned for this

social environment-changes here make more impact, not always equipped to deal with social environmental changes 

Term
is length of life something that is programmed into ones genetic core?
Definition
Yes
Term
stress can be defined as?
Definition
perception of threat
Term
what percentage of fluid is ICF?
Definition
66 %
Term
T/F Living function can occur outside the cell?
Definition
False
Term
ECF makes up what percent of fluid in body?
Definition
33%
Term
What is the role of the ECF in relationship to the ICF?
Definition
supply the needs of the ECF ie. nutrients, waste etc
Term
If there is decreased oxygen in blood where would you look?
Definition

lungs

-not being delivered

-not being absorbed 

(lungs filled with fluid so patient has pnuemonia) 

Term
If levels of potassium, sodium are low what could be happening?
Definition
action potentials not working, so muscles may not be working, nervous system not working etc.
Term
if glucose levels are below range what could happen?
Definition
not enough glucose to brain so have diabetic coma and possibly die
Term
T/F body temperature is a response of getting cues from environment?
Definition
True
Term
what is low blood volume called?
Definition
hypobolimia
Term
what maintains the level of glucose in the blood?
Definition
liver
Term
T/F the brain has a storage of energy?
Definition
false.  not like muscles that can switch to anerobic activity.
Term
what is main role of renal system?
Definition

controls fluids, gets rid of waste

-produces arthrobrevin which signals blood marrow to make rbc's 

Term
what is the classic example of negative feedback mechanism?
Definition
barrow receptors measuring blood pressure
Term
can negative feedback mechanisms levels change based on activity or environment?
Definition
yes, they would be different if working out for example
Term
what is an example of postive feedback mechanism?
Definition
birthing process -uterine contractions-stretching = more contractions
Term
presence of excess fluid in body tissues is called?
Definition
edema
Term
when edema fluid collects in the potential space is called?
Definition
effusion
Term
effusion can be caused be what?
Definition
lymph blockage
Term
large amounts of fluid in pericardial space is can lead to what?
Definition
cardiac tympanic
Term
the abdominal space that houses GI tract is called?
Definition
peritoneal space
Term
fluid in peritoneal space can do what?
Definition

creates pressure on organs of abdomen

-digestion is hindered

-blood flow is slowed

-pressure upward comprimises breathing

 

Term
when abdominal cavity collect effusion fluid it is called?
Definition
ascites
Term
abnormal collections of pleural space may be due to what and cause what?
Definition

excessive intravenous fluids, renal failure

-collapsed lung can occur 

Term
kidney is source of what that signals bone marrow?
Definition
erythrocytes
Term
T/F muscle cells once lost can be replaced or grown back?
Definition
false- once they are gone they're gone
Term
T/F liver cells once they die can be replaced?
Definition
True
Term
Cells that line the GI tract are replaced how often?
Definition
every few days
Term

T/F in developing brain several billion cells must die in order to have well connected system?

(programed cell death) 

Definition
True
Term
What does cell use to interact with ECF?
Definition
cell membrane
Term
what is the most important structure of cell?
Definition
cell membrane (not nucleus)
Term
anything that causes damage to cell membrane will ultimately lead to what?
Definition
death of cell
Term
the maintenece of cell membrane is based on constant supply of?
Definition
energy
Term
what is the first component of cell to go down with deletion of energy?
Definition
cell membrane
Term
what is important in maintaining structure of cell membrane?
Definition
cholestrol
Term
defeciencies of cholestrol translates to what?
Definition
deficient cell membrane, therefore deficient cells
Term
T/F there is NO covalent linkage in cell membrane?
Definition
TRUE
Term
what holds the cell membrane together?
Definition
hydrophobic bonding (no covalent linking)
Term
T/F the membranes of the cell are of different than that of intercellular structures ie mitochondria?
Definition
TRUE
Term
Mitochondria in old times was a _____ type cell that invaded a ____ type cell
Definition
prokaryotic , invaded a eukaryotic
Term
T/F there are different patterns of lipids in the cellular membranes?
Definition
TRUE
Term
what is the function of the cristae on the inner portion of cell membrane of mitochondria?
Definition
so we can line up things...specifically cytocrome for TCA cyle regarding mitochondria
Term
we define proteins that are associated with cell membrane how?
Definition
operational classification (not related to function)
Term
proteins embedded in the cell membrane are called?
Definition
intrinsic proteins
Term
what type of proteins are on the outside and inside of cell membrane that can be removed without damaging cell membrane?
Definition
extrinsic membrane
Term
T/F cell membranes have sideness?
Definition
TRUE-different sides or different things on the two sides
Term
What type of protein in cell membrane when you remove you will damage cell membrane?
Definition
intrinsic protein
Term
carbohydrates are typically where on cell membrane?
Definition
on outside layer binding to proteins
Term
most polysaccarides function related to cell membrane are involved in what?
Definition
identification and recoginition
Term
in blood typing there are 3 types of alleles that are differentation of what?
Definition
one different polysacharide chain
Term
T/F blood antigens are found on all cells in the body?
Definition
TRUE
Term
your blood type is based on what?
Definition

one single sugar substitution

(monosaccharide) 

Term
when you have tissue transfusion your body can accept or attack the new tissue based on what?
Definition
blood type-or being able to recognize difference of one sugar on cell
Term
rejection of a heart based on blood type is an example of ?
Definition
hyperacute
Term
all lipids are what charge?
Definition
negative or neutral (most are negative, but some can have neutral charge)
Term
micelles is when?
Definition
hydrophilic heads outwards, hydrophobic tails inwards
Term
T/F inside of micelle there can be a dissolving of fatty materials?
Definition
TRue
Term
what is created in micelles of cellular wall to carry drugs into cell
Definition
lipidsomes
Term
capping is when?
Definition
substance is dragged laterally through cell membrane wall during fetal development
Term
two sides of membrane switching is called?
Definition
flip-flop
Term
what is one of the problems related to flip-flopping cell membrane?
Definition
there is sideness to cell membrane
Term
what is the role of carbohydrates on the outside of the cell membrane?
Definition
mostly identification
Term
what is the pressure in the membrane that slows down the molecule from crossing called?
Definition
membrane drag
Term
Mediated transport has to be able to do 4 things to mediate transport what are they?
Definition

1. recognize its material

2.move from one side of membrane to the other

3.release material on other side of cell membrane

4. recover and display itself to transport another molecule

Term
in order to be a true transporter what does it need?
Definition
a way to block the transport
Term
a uniport is what?
Definition
single molecule moves in one direction
Term
what is a synport?
Definition
two molecules move in the same direction
Term
what is antiport?
Definition
two molecules move at some time in opposite direction
Term
Is passive or active transport faster?
Definition
passive is faster
Term
what is an example of uniport transport system?
Definition
glucose
Term
what is a potential problem of bringing glucose into cell?
Definition
builds up concentration of glucose in cell, so could flow out
Term
what prevents glucose from flowing out of cell when there is a build up?
Definition
as soon as it enters it is changed to something else i.e glucose 1 phoshate, or glucose 6 phosphate
Term
in muscle how can one use utilize the glucose flow?
Definition
using insulin
Term
what type of transport is critical in maintaining concentration gradients on either side of cell?
Definition
active transport
Term
how is the molecule accepted in a higher concentration of that molecule?
Definition
via active transport, ATP is used to transport and change the molecule so it can stay at the higher concentration
Term
local anesthetics like liocane block what?
Definition
sodium channels
Term
T/F a neural impulse will only flow in one direction?
Definition
TRUE
Term
increasing the speed and decreasing energy required to move an impulse along a neuron is called?
Definition
saltatory
Term
having to recreate charge as impulse moves down nerve is called what?
Definition
propagated conduction
Term
a charge that is transfered from cell to cell through gap junctions is called?
Definition
electrical ions
Term
another name for gap junctions is?
Definition
connexons
Term
Cardiac muscle and smooth muscle (such as in GI tract) impulses are electric or chemical?
Definition
electric
Term
impulses transfered in cardiac muscle is done through
Definition
intercalated discs
Term
the impulses to your eye use electrical or chemical impulses?
Definition
electrical
Term
transfer of impulse through synaptic junction is elictrical or chemical
Definition

chemical

(most cell interaction is chemical) 

Term
what is the action of the tetris toxin?
Definition
block the production of GABA
Term
T/F a neurotransmitter is either always excitory or always inhibitory?
Definition
False-neurotransmitters are both
Term
if you were to block GABA what would happen
Definition
blocking inhibitory neuron, so impulses would continue to fire in brain, and eventually cause tetanis or tetani
Term
high levels of potassium in blood is called?
Definition
hyperkalemia
Term
hyperkalemia can lead to?
Definition
cardiac arrythmias or sudden death
Term
excessive levels of chloride in blood is called?
Definition
hyperchloremia
Term
what are some symptoms of hyperchloremia?
Definition

excess fluid loss via vomiting or diarrhea

-if diabetic, poor control of blood sugar levels 

Term
low levels of sodium in blood is called?
Definition
hyponatremia
Term
many impulses delivered one after another is called?
Definition
temporal summation
Term
where are the nerve cell bodies for the motor neurons located?
Definition
in motor cortex of brain
Term
motor neuron leaves motor cortex and leaves ____ root to get to cell?
Definition
venral root
Term
what is a shortcut to motor cortex sending impulse down spinal cord?
Definition
spinal reflex
Term
sensory neurons typically run in ____root ganglia?
Definition
dorsal
Term
when doing patellar reflex is an exitory or inhibitory impulse being sent?
Definition
both, thats why leg fly up
Term
why do you do the patellar tendon reflex test?
Definition
in order to see neuron and spinal cord pathways are in tact
Term
what is it called when nerves are wrapped around muscle to asses how where the muscle is?
Definition
proprioception
Term
why do we have nerves wrapped around muscle?
Definition
to know position and contraction of muscle
Term
getting drunk will inhibit what funtion?
Definition
motor function-neuropathways of walking are inhibited
Term
we can tranfer nerve impulses to structures that have?
Definition
excitable membrane
Term
what are the 4 characterstics of muscle tissue?
Definition

1.exictability

2.contractility

3.extensibility

4.elasticity 

Term
extremely large long cell that are striated and multi nucleated is what kind of muscle?
Definition
skeletal
Term
square, striated and have a single centrally nuclei is what kind of muscle?
Definition
cardiac muscle
Term
spindle shaped, non striated cells and single centrally located nuclei is what kind of muscle?
Definition
smooth
Term
where is smooth muscle found?
Definition
wrapped around hollow organ, ie. blood vessels, etc
Term
what is the function of muscles, and differetiates animals from plants?
Definition
movement, movement in their environment
Term
human beings being upright and having posture is called
Definition
bipedal mammals
Term
muscles also do what with joints?
Definition
stabalize the joints
Term
where is the primary site for creating heat?
Definition
muscle tissue
Term
what is a sign of muscles generating heat?
Definition
shivering
Term
what is the location description of skeletal muscle?
Definition
attached to bones (connective tissue)
Term
what kind of muscle is in eyes, glands and skin?
Definition
smooth muscle
Term
what type of muscle is clydrical and branched?
Definition
cardiac
Term
what kind of muscle is cylindrical and long?
Definition
skeletal
Term
what kind of muscle is spindle shaped?
Definition
smooth muscle
Term
where does skeletal muscle develop?
Definition
trilaminar embryo in embryonic disc with the mesodermal layer
Term
the specialized cells of mesoderm that form skeletal muscle cells are called?
Definition
fetal myoblasts
Term
what is the derivation of the multinucleated muscle cell?
Definition
multinucleated myoblastic cells
Term
T/F the muscle fiber is the muscle cell?
Definition
TRUE
Term
what are the muscle fibers called within the muscle cells called?
Definition
myofibrils
Term
T/F the latissimus dorsi is an example of a muscle fiber?
Definition
False, it is an example of muscle bundle
Term
the cell membrane of the muscle cell is called what?
Definition
sarcolema
Term
the glycoprotein in between muscle fiber is called?
Definition
endomysium
Term
what is the function of endomysium?
Definition
allow contraction and expansion
Term
small bundle of muscle cells is called ?
Definition
fasiculus
Term
covering over fasiculus is called?
Definition
perimysium
Term
what covers all fasiculi?
Definition
epimysium
Term
what is the conractile portion of muscle fiber?
Definition
sacromere
Term
what connects actin myofiliaments to z line?
Definition
titan
Term
how many actin filaments surround a myosin filament?
Definition
6
Term
calcium binds with what for muscle contraction?
Definition
tropinin
Term
tropinin binds with what to alter the muscle?
Definition
tropomyosin
Term
prior to contraction ATP binds to what in muscle?
Definition
head of myocin molecule
Term
what is the result of the tropinin/tropmyosin being released in muscle?
Definition
twists the molecule to expose the actin
Term
what forms together to form a cross bridge in muscle?
Definition
myosin heads with actin active sites
Term
what has a hinge that causes actin to slide past myosin?
Definition
myosin molecule
Term
what enables the actin to slide on myosin?
Definition
ATP
Term
what does the release of ATP in muscle cell signal?
Definition
all clear for next impulse to come in
Term
where is the ATP in muscle supplied from?
Definition
aerobic respiration by the mitochondria
Term
a cytoplasmic reaction in muscle is called?
Definition
anerobic respiration
Term
what is produced in anerobic respiration in muscles?
Definition
lactic acid
Term
how is ATP stored in muscle during high levels of oxygen?
Definition
attached to creatinephosphates
Term
the glycogen stored in liver is designed to?
Definition
supply blood glucose
Term
T/F the glycogen in muscle cells can only be used in muscle cells?
Definition
True
Term
the impulse is carried from sacrolema to sacrolemic reticulum through what?
Definition
t-tubules
Term
how is the relaxation phase in muscle produced?
Definition
as calcium is pulled back into sarcoplasmic reticulum
Term
in order to get to relaxation phase, the tripin/tropmyosin need to what?
Definition
be released from inhibiting binding sites
Term
T/F each motor neuron innervates several muscle fibers?
Definition
TRUE
Term
what is one way to increase strength of contraction?
Definition
fire more motor neurons
Term
what is another way to increase strength of contraction?
Definition
increase frequency of stimulation
Term
what is the upper limit of frequency of impulse called?
Definition
tetanization
Term
in muscle tone the delivery of the impulse must be ?
Definition
asyncranous
Term
if you lose the ability to have muscle tone it is called?
Definition
flacid paralysis or muscle flacitity
Term
what is an agent that can cause flacid paralysis?
Definition
botulinal toxin
Term
what does botulinal toxin do?
Definition
blocks release of acetylcholine from presynaptic cell
Term
what is myasthenia gravis
Definition
antibody binds to acetylcholine receptors essentially blocking them
Term
myasthenia gravis first shows up where?
Definition
in large muscles
Term
a continous high frequency volley to muscle fiber is called?
Definition
tetani
Term
Describe how tetani can occur?
Definition
if you only need to keep muscle tone, you need only one exitotory impulse to go through, the rest of the receptors will have inhibitor impulses.  If those inhibitor impulses aren't there you get a bigger action potential than wanted thus tetani
Term
what is a way with calcium that will cause tetani?
Definition
if calcium can't be pulled back into sarcoplasmic reticulum
Term
when muscle cells die due to over contraction, because of calcium levels not being reabsorbed can lead to?
Definition
rigor mortis
Term
what will induce muscle fatigue?
Definition
muscle runs out of ATP
Term
when we can't generate ATP fast enough is called? (has to do with muscle fatigue)
Definition
chemical fatigue
Term
the inability to keep up with required acetylcholine levels is called?
Definition
neuro fatigue
Term
in skeletal muscle the step by step increasing impulse is called
Definition
trepe
Term
T/F muscle structure and function can be altered?
Definition
True-through working out ie. training for marathon
Term
when you block motor neuron causing atrophy in muscle could be
Definition
polio mielitus
Term
practice creates
Definition
synaptic junctions
Term
in cardiac muscle, when one neuron fires what happens?
Definition
is transferred across entire network instead of just on neuron
Term
smooth muscle is innervated by?
Definition
autonomic nervous system
Term
What takes more energy to contract, skeletal or smooth muscle?
Definition
skeletal muscle, smooth muscle has very low energy requirements
Term
what are two types of smooth muscle?
Definition

visceral smooth muscle (single unit)

multi unit muscle 

Term
visceral smooth muscle is in what type of construction?
Definition
unit type construction
Term
Does smooth muscle have tropinin?
Definition
NO
Term
where does calcium reside in smooth muscle?
Definition
in mitochondria
Term
calcium binds with what in smooth muscle?
Definition
calmodulin
Term
the contraction is faster or slower in smooth muscle?
Definition
slower
Term
T/F smooth muscle can be self stimulating?
Definition
True
Term
T/F a lot of smooth muscle lacks direct innervation?
Definition
TRUE
Term

list factors that could cause relaxing of smooth muscle?

(also leads to vasodialation) 

Definition

-increase CO2

-decrease pH

-increase in K

-increase in lactic acid

-fall in calcium

-fall in body temperture 

Term
T/F the adrena medulla can be classified as a neural cell?
Definition
True
Term
the sympathetic nerves reside in _____ and arise from ____?
Definition
CNS, thoracolumbar region of spinal cord
Term
the parasympathetic nerves arise from ____?
Definition
cranial or sacral region
Term
the preganglionic neuron synapsing with postganglionic neuron is called?
Definition
collateral ganglion
Term
the neurotransmitter that is released by ALL pre-ganglionic neurons is what?
Definition
acetylcholine
Term
in the postganglionic sympathetic system the transmitter being released is what?
Definition
one of the catecholamines--primarily norepinephrine
Term
where is the preganglionic sympathetic body located?
Definition
lateral horn of spinal cord
Term
are the sympathetic preganglionic fibers myelinated?
Definition
yes
Term
where is the preganglionic parasympathetic body located?
Definition
autonomic nuclei of cranial nerve-primarily in brain stem
Term
T/F there are no sympathetic fibers coming out of sacral region?
Definition
TRUE-only parasympathetic
Term
T/F there are no parasympathetic fibers leaving the thoracolumbar region of the spinal cord?
Definition
True-only sympathetic
Term
where is the the sympathetic truck located?
Definition
it is paravetebral-both sides of verterbal column
Term
where do collateral ganglia usually lie?
Definition
anterior to spinal colum and close to large abdominal arteries
Term
what is an example of a collateral ganglia?
Definition
solar plexus called celiac ganglion
Term
what are 2 examples of collateral ganglia in the abdomen?
Definition
superior and inferior mesenteric ganglion
Term
where is the parasympathetic ganglion usually located?
Definition
close to the wall or in the wall of the organ that is stimulated
Term
T/F The postganglionic sympathetic neurons are unmilenated?
Definition
True
Term
T/F the postganglionic parasympathetic ganglion are unmylinated?
Definition
True
Term
what is the exception to parasympathetic neurons generally have no affect on blood vessels?
Definition

face and penis

(blushing and erection) 

Term
T/F all organs that have a parasympathetic innervation have a sypmathetic innervation?
Definition
TRUE
Term
Do all organs that are sympathetically innervated, have parasympathetic innervation?
Definition
NO
Term
how is sympathetic tone maintained?
Definition
partial outflow
Term
the neurotransmitter that will always be released from postganglionic parasympathetic is?
Definition
acetylcholine
Term
T/F the sypmathetic pathway can take many different routes to get to organ?
Definition
True
Term
the chromaffin cell in the adrenal medulla is?
Definition
the postganglionic neuron
Term
the postganglionic fibers carry what color ramus?
Definition
grey
Term
the preganglionic fibers carry what color ramus?
Definition
white
Term
two types of receptors that acetylcholine will interact with are?
Definition
nicotinic and muscuric
Term
T/F nicotic receptors are always exitatory?
Definition
TRUE
Term
what type of specific recepter is in sodium channel?
Definition
nicotinic 2 receptor
Term
what will bind to muscarinic receptors?
Definition
muscarine and polycarpine
Term
what inhibits a muscrinic receptor?
Definition
atropine
Term
T/F muscarine will bind to nicotinic receptors?
Definition
False
Term
What will bind to nicotinic 1 or 2 receptors?
Definition
nicotine
Term
what will block nicotinic receptors?
Definition
tubacurarine or hexanomium
Term
what type of nicotinic receptor is on skeletal muscle?
Definition
nicotinic 2
Term
what type of receptor cell is on sympathetic postganglion neurons?
Definition
nicotinic 1
Term
an example of stimulation of beta 1 receptor will generally cause what ?
Definition
stimulate metabolism and cardiac muscle stimulation
Term
an example of stimulation of beta 2 receptor will generally cause what ?
Definition
relaxation of smooth muscles in respitory pathways and dialate vessels in skeletal muscles
Term
T/F typically both alpha and beta receptors are found on tissues
Definition
true-but a particular type will predominate
Term
where are alpha 1 receptors primarily found where?
Definition
vascular smooth muscle
Term
what happens when alpha 1 receptors bind?
Definition
smooth muscle contracts and vessels constrict
Term
alpha 2 receptors are found?
Definition
adipose cites and platelets
Term
what happens when alpha 2 receptors bind?
Definition
inihibition of lapolisis and trigger aggregation of platelets
Term
where are beta 1 receptors found
Definition
adipose cites and cardiac muscle
Term
what is the predominate type of receptor on cardiac muscle?
Definition
beta 1 receptor
Term
where are beta 2 receptors found?
Definition
vasculture smooth muscle and bronchiole smooth muscle
Term
what is an example that will block nicotinic receptors
Definition
curare
Term
where are nicotinic receptors mostly found?
Definition
neuromuscluar junction
Term
so if nicotinic receptors are blocked what is the result?
Definition
paralysis
Term
if you want to block muscranic receptors what would you use?
Definition
atropine or scopolamine
Term
what is the result of atropine?
Definition
supresses salivary and respitory secrections
Term
if you want to have clear respitory track of patient what would you give him?
Definition
atropine
Term
what blocks the acetylcholine esterase?
Definition
phiostigmine
Term
what could be used to dialate the eye of patient?
Definition
physostigmine
Term
general beta blocker-blocks both beta 1 and 2 is ?
Definition
propranerol
Term
what will we use to dilate the eye?
Definition
atropine
Term
what are 3 things that will cause sypmpathetic responses
Definition

1.emergency

2.excercise

3.embarassament 

Term
what are conditions that are set off from parasympathetic response?
Definition

SLUDE

1.salivation

2.lacrimation

3.urination

4.defication

5. erection

Term
if there is incomplete canalization of GI tract, the narrowing is called?
Definition
stinosis
Term
if there is no opening at all of GI tract is called?
Definition
atrisia
Term
where is atrisia most commonly found?
Definition
esophagus and duedenum
Term
how does the dorsal and ventral pancreas fuse in embryo?
Definition
gut rotation
Term
if no gut rotation occurs what could happen?
Definition
two islands of pancreatic tissue and two entrances into GI tract
Term
how are salivary glands innervated?
Definition
parasympathetically
Term
initial breakdown of polysacharrides in the mouth is done by?
Definition
salivary amylase
Term
where is another and the main location of amylase?
Definition
pancreas
Term
how many types of muscle are in the stomach?
Definition
3-circular, longitudinal and oblique
Term
what do chief cells of stomach produce?
Definition
pepsinogen
Term
what enzyme breaks down proteins?
Definition
pepsin (the active form of pepsinogen)
Term
how do parietal cells react to pepsinogen?
Definition
release HCL and intrinsic factor
Term
what is the function of intrinsic factor?
Definition
aid in absorbtion of vitamin b12
Term
what are the three phases of digestion from stomach
Definition

1.cephalic phase

2.gastric phase

3.intestinal phase 

Term
what stimulates gastric juice?
Definition
gastrin
Term
if in a patient you can't hear bowel sounds they may have?
Definition
bowel peralysis or periatic ilieum
Term
what is the nervous system of GI tract called?
Definition
enteric system
Term
what is released when fattty acids and monoglycerides from the wall of duedenum and jejunum?
Definition
cholecystokinan
Term
what is the function of cholecystokinan?
Definition

stimulates gall bladder contractions

-inhibit gastric contraction and emptying 

Term
what does cholecystokinan trigger in brain?
Definition
satiation-I can quit eating now
Term
what harmone is associated with fasting upper duedenum?
Definition
motilin
Term
what is another name for vomiting?
Definition
imisis
Term
the intestines come from what 2 loops embryonically
Definition
cranial and caudal
Term
if the intestines do not retract embryonically it is called?
Definition
theamphalaseal
Term
a twist in intestines that have not turned is called?
Definition
valvules
Term
small intestine on top of large intestine is called?
Definition
reverse rotation
Term
a fibrous pouch much like appendix is called?
Definition
meccels direticulum
Term
what produces amylase for primary role in digestion?
Definition
pancreas
Term
what are the most important substances secreted by pancreas?
Definition
pancreatic proteases
Term
what are some example of pancreatic proteases
Definition
trypsin
Term
what is released from pancreas that breaks down RNA?
Definition
pancreatic nucleases
Term
what is essential in washing the enzymes from pancrease into GI tract
Definition
bicarbonate alkeline fluid
Term
where does gycogen to glucose breakdown occur?
Definition
liver
Term
what organ is mainly responsible for detoxification?
Definition
liver
Term
where is bile secreted?
Definition
liver
Term

what secretes bile acids?

(and a lot of other stuff) 

Definition
hepatocytes
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