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Bio Lab Exam 2
study guide
103
Biology
Undergraduate 2
03/27/2011

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Term
asthma
Definition
causes airways to become inflammed, restricting the airflow
Term
The Pituitary Gland
Definition
located within the cranial cavity, is often called the "master gland" of the endocrine system
Term
posterior pituitary
Definition

produces oxytocin and anti-diuretic hormone

 

Term
kidneys
Definition
where are the adrenal glands located above?
Term
The Adrenal Medulla
Definition
which organ releases epinephrine and norepinephrine
Term
zona reticularis
Definition
the inner most part of the adrenal cortex is called the
Term
zona fasciculata
Definition
the middle part of the adrenal cortex is called the
Term
zona glomerulosa
Definition
the outermost part of the adrenal cortex is called the
Term
zona reticularis
Definition
part of the adrenal cortex that produces sex hormones
Term
zona fascilulata
Definition
part of the adrenal cortex that releaes glucocorticoids
Term
thyroid gland
Definition
gland located at the base of the neck, can be palpated by finding your adams apple
Term
thryorid gland
Definition
which gland produces T3 and T4 hormones?
Term
the hypothalamus
Definition
the thryoid stimulating hormmone is produced by the?
Term
goiter
Definition
a form of hypothyroidism caused by a lack of iodine in the diet
Term
parathyroid glands
Definition
the four small nodules embedded within the thryroid gland
Term
pancreas
Definition
large organ located in the superior portion of the abdomen, outside and behind the peritoneal cavity
Term
Islets of Langerhans
Definition
pockets of endocrine cells found in the pancreas are called
Term
Pineal Gland
Definition
gland located within the brain, that secretes melatonin
Term
the kidneys
Definition
produce several hormones that help regulate blood volume and composition
Term

Erythropoetin

Renin

Calcitriol

Definition
which 3 hormones are secreted by the kidneys?
Term
Gastrin
Definition
which hormone is produced by the stomache?
Term
cholecytokinin
Definition
hormone that is produced by the small intestines
Term
leptin
Definition
adiose tissue realeases what hormone?
Term
thymus
Definition
organ located in the mediastinum deep to the sternum
Term
interstitial fluid
Definition
extracellular fluid is also called
Term
lymph
Definition
the interstitial fluid in the lymphatic vessels is called
Term
external nares
Definition
the nasal cavity contains hair in the ___________  which filter relatively large particles from the air
Term
paranasal sinuses
Definition
surrounds the nasal cavity, and are hallowed out chambers in the ethmoid, sphenoid, maxillary, and frontal bones
Term
maxillary bone
Definition
the hard palate is formed by what?
Term
cartilage
Definition
the soft palate in the oral cavity is made up of
Term
uvula
Definition
the skin-like flap that hangs from the soft palate is called the
Term
uvula
Definition
when swallowing food, this structure rises and closes off the nasal cavity, preventing food from entering the nasal passageways
Term
labia
Definition
another name for the lips is called the
Term
vestibule
Definition
the space between the lips and cheeks and the teeth and gums is called the  ______ of the oral cavity
Term
the tonsils
Definition
protect us from airborne pathogens
Term
the pharynx
Definition
once air passes through the nasal cavity it enters the  __________, also known as the throat.
Term
nasopharynx
Definition
part of the pharynx located behind the nasal cavity
Term
oropharynyx
Definition
part of the pharnyx located behind the oral cavity
Term
laryngopharynx
Definition
part of the pharynx behind the larynx
Term
the larynx
Definition
seperates food, water, and air
Term
the Larynx
Definition
called the voicebox, becaue it houses the vocal cords
Term
the laryngeal prominence
Definition
known as the Adam's apple
Term
cricoid cartilage
Definition
cartilage that encircles the larynx beneath the thyroid cartilage
Term
thracheal cartilages
Definition
the c-shaped rings found in the trachea are known as the
Term
the epiglottis
Definition
located at the base of the tongue
Term
the epiglottis
Definition
flap-like structure that closes off the trachea when we swallow food or drink
Term
glottis
Definition
the small opening between the vocal cords is called the
Term
trachea
Definition
structure also known as the windpipe
Term
trachea
Definition
structure that divides to form the left and right primary bronchi
Term
trachealis muscle
Definition
when this muscle is relaxed the trachea is completely open, contraction contricts the trachea
Term
the cardiac notch
Definition
the large indentation on the left lung is called the
Term
2 lobes
Definition
the left lung has how many lobes?
Term
3 lobes
Definition
the right lung has how many lobes?
Term
oblique fissure
Definition
divides the right lung into inferior and superior lobes
Term
apex
Definition
the pointed top of the lung is called the
Term
expanded
Definition
when the diaphragm contracts the lungs are...
Term
surfactant
Definition
septal cells produce _________ which is a  soapy substance that keeps the aveoli from collapsing
Term
macrophages
Definition
engulfs foreign materials that have been inhaled, especially airborne pathogens
Term
psuedostratified ciliated columnar epithilia
Definition
what tisse is found in the lining of the bronchii, and the trachea.
Term
30 -60 seconds
Definition
we swallow about every...
Term
1.5 liters
Definition
how many liters of mucus do we swallow each day?
Term
stratified squamous epithilia
Definition
tissue that lines the oral cavity and the pharynx
Term
simple squamous epithilia
Definition
tissue found in the walls of the aveoli
Term
pulmonary ventilation
Definition
the movement of air into and out of the lungs. known as "breathing"
Term
inspiration
Definition
another term for inhalation
Term
expiration
Definition
another term for exhalation
Term
emphysema and asthma
Definition

2 most common respiratory sickeness in the United States

 

Term
tidal volume
Definition
the amount of air moved in and out of the lungs with each normal breath (at rest)
Term
inspiratory reserve volume
Definition
the amount of air that can be inhaled above and beyond the tidal volume
Term
expiratory reserve volume
Definition
the amount of air that can be expelled from the lungs beyond the normal tidal volume
Term
vital capacity
Definition
the amount of air that can be forcefully expelled from the lungs after a complete inhaltion
Term
inspiratory capacity
Definition
the maximum amount of air that can be inhaled
Term
residual volume
Definition
the amount of air remaining in the lungs following a forceful expiration
Term
total lung capacity
Definition
the total amount of air that can be contained within the lung
Term
skeletal
Definition
the tongue is composed of what type of tissue?
Term
the dorsum of the tongue
Definition

what is the top of the tongue called?

 

Term
lingual lipase
Definition
the tongue secretes an enzyme called
Term
28 or 32
Definition
how many teeth do adults have?
Term
gingiva
Definition
another name for gums is what?
Term
cuspid
Definition
the canine tooth is also called the
Term
bicuspids
Definition
also known as premolars
Term
paradontal ligament
Definition
allows wiggle room for the tooth, so it is slightly moveable
Term
dentin
Definition
the bony material of the tooth is called
Term
parotid salivary glands
Definition
salivary glands located at the back of the cheeks
Term
sublingual salivary glands
Definition
salivary glands located under the tongue
Term
submandibular salivary glands
Definition
salivary glands located under the mandible
Term
salivary amylase
Definition
an enzyme from the salivary glands that degest complex starches and sugars
Term
gastroesophageal sphincter
Definition
a ring of muslce tht closes off the esophagus and opens when swallowing
Term
rugae
Definition
deep folds of the stomache  are called
Term
gastric pits
Definition
microscopic, permanent invaginations of the mucosal lining of the stomache is called
Term
hydrochloric acid
Definition
gastric pits contain parietal cells that produce
Term
pepsin
Definition
chief cells produce the digestive enzyme called
Term
plicae
Definition
folds in the small intestine are called
Term
duodenum
Definition
shortest of the 3 regions in the small intestine
Term
Peyers Patches
Definition
structure in the small intestine that keep bacteria from spreading or entering the blood stream
Term
gall bladder
Definition
bile is produced by the liver, but it is stored where?
Term
cecum
Definition
pouch like structure located at the beggining of the large intestine
Term
vermiform appendix
Definition
finger like projection located in the large intestne
Term
ascending colon
Definition
the proximal end of the large intestine is called the
Term
hepatic portal system
Definition
special blood circulatory pathway through the GI tract
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