1) a layer of glycoproteins and a network of fine protein filaments that prevents the
movement of proteins and other large molecules from the connective tissue to
epithelium describes
a) interfacial canals.
b) the basal lamina.
c) the reticular lamina.
d) areolar tissue.
e) endothelium.
2) if a polypeptide contains 10 peptide bonds, how many amino acids does it contain?
a) 0
b) 5
c) 10
d) 11
e) 12
3) a decrease in ones perception of a stimulus whose intensity has not changed due to
higher neural inhibition is
a) habituation.
b) convergence.
c) divergence.
d) adaptation.
4) how genetics influences the body’s response to drugs is called
a) pharmacokinetics.
b) pharmacogenetics.
c) pharmacogenomics.
d) pharmacodynamics.
e) pharmageddon.
5) match the type of receptor with the appropriate description.
a. chemoreceptors
b. touch receptors
c. thermoreceptors
d. nociceptors
these are probably the oldest sensory receptors as evidenced by their existence in
primitive animals that do not have formalized nervous systems.
6) match the specific enzyme to its class.
a. oxidoreductase
b. hydrolase
c. transferase
d. ligase
e. lyase
dehydrogenase
7) the elevated blood pressure that sometimes accompanies pregnancy is known as
a) preeclampsia.
b) vasovagal syncope.
c) infarction.
d) reactive hyperemia.
e) orthostatic hypotension.
8) in quiet breathing,
a) inspiration and expiration involve muscular contractions.
b) inspiration is passive and expiration involves muscular contractions.
c) inspiration involves muscular contractions and expiration is passive.
d) inspiration and expiration are both passive processes.
e) none of the answers are correct.
9) the typical pattern for molecules absorbed by na+-dependent transport involves this:
an apical ________ and a basolateral ________.
a) facilitated diffusion carrier, osmotic gradient
b) symport protein, facilitated diffusion carrier
c) symport protein, osmotic gradient
d) osmotic gradient, symport protein
e) facilitated diffusion carrier, symport protein
10) match the structure to its description.
a. muscle spindles
b. golgi tendon organs
c. both
maintain muscle tone at rest through tonic activity
11) list and discuss two different theories about the regulation of food intake and the
role of signal molecules and the brain.
12) mrna is created in a process called ________. it then leaves the ________ and
enters the cytosol to direct ________, the assembly of amino acids into protein.
13) a construction worker entered the emergency room after an accident in which his
leg was crushed by falling beams. a color of the urine sample is noticeably reddish
brown. assuming that color is related to the accident, what molecule could have been
released from the damaged muscle cells that colored the urine? what is the function of
this molecule?
14) cary deliberately hyperventilates for several minutes before diving into a swimming
pool. shortly after he enters the water and begins swimming, he blacks out and almost
drowns. what caused this to happen?
15) sherry is not able to produce surfactant. in order to inhale a normal tidal volume,
does her intrapleural pressure have to be higher or lower than for a healthy individual?
explain.