Shared Flashcard Set

Details

Human Biology
Skeletal system,muscle contraction, the nervous system,endocrine system
132
Biology
Undergraduate 1
11/16/2006

Additional Biology Flashcards

 


 

Cards

Term
4 functions of the skeletal system
Definition
Framework, protection, storage, production
Term
the term for the end of the bone
Definition
epiphysis
Term
term for the middle of the bone
Definition
diaphysis
Term
Diaphysis is made up of what kind of bone
Definition
Compact
Term
epiphysis is made up of what kind of bone
Definition
Spongy
Term
what brings nutrients to the osteocytes
Definition
canaliculi
Term
a baby is born with how many bones
Definition
213
Term
an average adult has how many bones
Definition
206
Term
osteoblasts are responsible for doing what to bones
Definition
building
Term
what is a mature osteoblast called
Definition
osteocytes
Term
what tears down bone
Definition
osteoclasts
Term
are men or woman more likely to get osteoporsis
Definition
women
Term
what are the three types of joints
Definition
synarthritic, amphiarthritic, diarthritic (synovial)
Term
what joint is immovable and held together by threadlike connective tissue
Definition
synarthritic
Term
what joints are also called synovial and are freely movable. they have cartilage between the bone.
Definition
diarthritic
Term
what joints are slightly movable and have cartilage in between bones
Definition
amphiarthritic
Term
what are two types of arthritis
Definition
Rheumatoid arthritis, osteoarthritis
Term
Rheumatoid arthritis is an autoimmune disorder. true or false
Definition
True
Term
osteoarthritis is characterized by the wearing down of what?
Definition
Cartilage
Term
when you have carpal tunnel what is putting pressure on the nerves in your wrist.
Definition
Ligiment
Term
what are 3 types of muscle tissue
Definition
smooth, cardiac, skeletal
Term
smooth muscle tissue is found in what kind of organs and is an invouluntary muscle
Definition
hollow
Term
cardiac muscle is found in what organ and is invoulantary
Definition
Heart
Term
sketetal muscle tissue is attached to ________ by tendons and it is voluntary
Definition
skeleton
Term
the organization os skeletal muscle tissue; Muscle-> ______ -> muscle cell/fiber -> myofibrils -> ______
Definition
Fascicles, myofilaments
Term
In which zone is where only myosin is present
Definition
H
Term
the Sacroplasmic reticulum has tons of calcium. true or false
Definition
True
Term
what term means stiffness after death
Definition
Rigor mortis
Term
what is no longer released during relaxation of motor neurons
Definition
Acetylcholine (ACH)
Term
what two parts make up the Central Nervous System
Definition
Brain, Spinal cord
Term
which nervous system is made up of nerves
Definition
Peripheral
Term
what stimulates the skeletal muscle tissue, this is voluntary
Definition
Somatic nervous system
Term
what stimulates the cardiac and smooth muscle tissue, this is involuntary
Definition
autonomic nervous system
Term
fight or flight response which nervous system? this causes increased heart rate, respiration, blood flow to skeletal muscle tissue, and decreased digestion
Definition
sympathetic
Term
what nervous system is in charge of resting functions. Causes decreased heart rate, respiration, and an increased digestion
Definition
parasympathetic
Term
what is a neurons function
Definition
relay messages
Term
what kind of neurons give information to the central nervous system
Definition
sensory
Term
what kind of neurons conduct impulses leaving the central nervous system
Definition
motor
Term
what kind of neurons are found between the sensory and motor neurons
Definition
interneurons
Term
how many MV causes the voltage gated sodium channels to open
Definition
-40 MV
Term
to repolarize what is the range you have to go from
Definition
+40 MV to -65MV
Term
what two pumps help the cell return to
-65 MV
Definition
sodium, Potassium
Term
name all 6 neurotransmitters
Definition
acetylcholine, nopinephine/epinephrine(NE/E), dopamine, serotonin, substance p, endorphins
Term
what is in charge of skeletal muscle tissue
Definition
acetylcholine (ACH)
Term
what is Norepinephrine/epinephrine in charge of
Definition
mood and arousal
Term
what is in charge of mood, exhibits skeletal muscle contraction, can cause Parkinsons disease if ther isnt enough.
Definition
Dopamine
Term
what is in charge of mood, temperature, sleep, and appetite
Definition
seratonin
Term
what is found in pain pathways
Definition
substance P
Term
what blocks the release of substance P and are 200 times stronger than opidis
Definition
endorphins
Term
your spinal cord is highly organized. true or false
Definition
True
Term
sensory neurons enter through what part of the spinal cord
Definition
Dorsal (posterior)
Term
motor neurons exit through what part of the spinal cord
Definition
ventral (anterior)
Term
name the 3 layers of connective tissue
Definition
pura matter, pia matter, arachnoid matter
Term
what part of the connective tissue layers is a weblike structure
Definition
arachnoid
Term
what part of the connective tissue layers is the outer most layer and is also called tough mother
Definition
Dura matter
Term
what part of the connective tissue layers in the innermost layer
Definition
Pia matter
Term
what is found between the arachnoid and pia matter, surrounds the spinal cord and brain and fills the ventriclues (holes in the brain)
Definition
cerebral spinal fluid
Term
what are the fluid filled spaces that are filled with cerebral spinal fluid
Definition
ventricles
Term
what are the 3 parts to the brain stem(the continuation of the spinal cord)
Definition
medulla oblongata, pons (bridge), mid-brain
Term
what is is called when the left hemisphere controls the right and the right hemisphere controls the left
Definition
decussation
Term
what is in charge of the vital reflex centers
Definition
medulla oblongata
Term
what does the Pons regulate
Definition
Respiration
Term
what interprets visual input and auditory input
Definition
mid-brain
Term
what is the switchboard of teh brain, relays information to the various locations of the brain, almost all incoming info goes through here
Definition
thalamus
Term
what part of the brain maintains homeostasis
Definition
hypothalamus
Term
what does the hypothalamus create and what does it stimulate
Definition
thirst, hunger
Term
melatonin is secreated by what gland
Definition
pineal
Term
what kind of hormone levels the effects of reproduction in humans.
Definition
melatonin
Term
what does SAD stand for. It is due to an increase in melatonin levels
Definition
Seasonal Affective Disorder
Term
what part of the brain is important for balance and coordination
Definition
cerebellum
Term
what can cross the blood brain barrier and cause temporary impairment
Definition
alcohol
Term
name the four functions of the limbic system
Definition
Emotions, motivation, learning and memory, olfaction (smell)
Term
name 3 structures of the limbic system
Definition
amygdale,hippocampus,fornix
Term
what is the rage center of the brain and is shaped like an almond
Definition
amygdale
Term
the hippocampus is responsible for what kind of learning and memory
Definition
spatial
Term
what connects the hippocampus to the hypothalamus
Definition
fornix
Term
the cerebrum has two hemispheres what are they
Definition
left, right
Term
the two hemispheres are connected by what
Definition
corpus callosum
Term
name the 4 lobes of the brain
Definition
frontal,parietal,occipital,temporal
Term
what lobe initiates motor commands and personality
Definition
frontal
Term
what area of the brain stores all the movements that you have performed before and it will relay the stored information into the primary motor area to carry out the movements
Definition
premotor
Term
what area of the brain lets you fore see the consequences of your actions
Definition
prefrontal
Term
what part of the brain is in charge of pain, touch, and temperature
Definition
parietal
Term
what are of teh brain stores all past sensations
Definition
somatosensory
Term
the occipital lobe of teh brain is incharge of what function
Definition
vision
Term
the temporal lobe is in charge of what two functions
Definition
auditory, olfaction input
Term
is the occipital lobe located in the front or back of the brain
Definition
back
Term
the left hemisphere of the is in charge of what two types of functions
Definition
language, analytical
Term
The right hemisphere of the brain is in charge of what two types of functions
Definition
creativity, artisticability
Term
Wernickes Aphasia is described as being what
Definition
the lack of structured sentences.In the patients mind they make sense but the listener hears a bunch of words that dont fit together
Term
what is an uncontrolled electrical excitation
Definition
seizure
Term
what are two treatments for seizures
Definition
medication, severing the corpus callosum (rare. if meds dont work)
Term
if your broca's area is damaged what happens to your speech. and where is broca's area located
Definition
it slows, frontal lobe
Term
Endocrine glands are ductless True or Flase
Definition
True
Term
what makes the endocrine glands ductless
Definition
the secret hormones directly into the blood
Term
what are the two portions of the pituitary gland
Definition
anterior, posterior
Term
the posterior pituitary releases what 2 hormones
Definition
antidiuretic hormone,oxytocin
Term
Antidiuretic hormone is released in response to what
Definition
low blood volume (dehydration)
Term
what stimulates contraction of the uterus, stimulates development of the mammary glands, and in males plays a role in sexual response(ejaculation)
Definition
oxytocin
Term
the thyroid gland secretes what in response to thyroid stimulating hormones
Definition
T3, T4
Term
T3 and T4 increases the rate of what
Definition
metabolism
Term
if you had no iodine in your diet what will form and the thyroid will keep expanding and it can impair speech
Definition
Goiter
Term
name a few effects of hyperthyroidism
Definition
too much T3 and T4, weight loss, increased heart rate, increased respiration, flushed skin/ moist skin
Term
name a few effects of hypothyroidism
Definition
not enough T3 and T4, weight gain, dry skin, lethargic, hair loss
Term
what is secreted in response to high levels of blood calcium and acts to decrease blood calmium levels
Definition
calcitonin
Term
what does the parathyroid secrete
Definition
parathyroid horomone
Term
the parathyroid horomone increases what, activates what, and increases the absorbtion of what from the diet
Definition
blood calcium, osteoclasts,calcium
Term
what does the adrenal medulla secrete
Definition
norephrine/epinephrine(NE/E)
Term
what 2 things does the adrenal cortex secrete
Definition
cortisol, aldosterone
Term
what is glucose genesis
Definition
new glucose
Term
what 2 things does cortisol decrease
Definition
inflammation, activity of white blood cells
Term
aldesterone increases what 2 things
Definition
blood volume, blood pressure
Term
What does ACE stand for
Definition
angio converting enzyme
Term
what does the pancreas regulate
Definition
blood glucose levels
Term
what are the 2 cell types of the pancreas that secrete hormones
Definition
alpha cells, beta cells
Term
what do alpha cells secrete
Definition
glucose
Term
what do beta cells secrete
Definition
insulin
Term
insulin does what to blood glucose levels and facilitates the absorbtion of what into the cells
Definition
decresases, glucose
Term
glucogon does what to blood glucose levels, promotes gluconed gensis, and promotes what
Definition
increases, glycogenolysis
Term
what are the two types of diabetes mellitus
Definition
Type I, Type II
Term
Type II diabetes affects children true or false
Definition
false
Term
Type I diabetes affects children true or false
Definition
true
Term
Type I diabetes is a ________ disorder
Definition
autoimmune
Term
which cells are under attack in type I diabetes
Definition
beta cells
Term
type I diabetes is treated by what
Definition
insulin
Term
type two diabetes affects what age range
Definition
35 and older
Term
Type II diabetes is an autoimmune disorder true or false
Definition
False
Term
most often Type II diabetes is caused by the down regulation of what
Definition
insulin receptors
Term
Name the three symptoms of diabetes mellitus
Definition
polyphasia, polyuria, polydipsia
Term
what two things do ovaries secrete
Definition
estrogen, progesterone
Term
what do the testies secrete
Definition
Testosterone
Term
what does the pineal gland secrete
Definition
melatonin
Supporting users have an ad free experience!