1) cytokines function by
a) acting as messengers for growth and activity of other cells.
b) poisoning and killing invading cells.
c) digesting invading cells.
d) acting as messengers for growth and activity of other cells and poisoning and killing
invading cells.
e) acting as messengers for growth and activity of other cells, poisoning and killing
invading cells, and digesting invading cells.
2) match the terms to changes presented, assuming a resting membrane potential of -70
mv. answers may be used once, more than once, or not at all.
a. electrical polarization
b. hyperpolarization
c. depolarization
d. repolarization
e. more than one of the answers
any value other than 0 mv, regardless of relationship to resting potential
3) which of the following is the most common location where action potentials
originate?
a) dendrites
b) cell body
c) axon hillock
d) synaptic cleft
e) synaptic bouton
4) the pituitary hormone that controls the release of glucocorticoids from the adrenal
cortex is
a) tsh.
b) acth.
c) fsh.
d) lh.
e) sth.
5) osteoclast
a. cartilage
b. destroys bone matrix
c. loose connective tissue
d. fat
e. maintains bone matrix
6) which of the following is greater?
a) blood pressure when sympathetic stimulation to the heart increases
b) blood pressure when parasympathetic stimulation to the heart increases
7) a parasitic condition resulting in extreme enlargement of one or both legs is called
a) elephantiasis.
b) elephantitis.
c) elephantosis.
d) ascites.
8) in response to the hormone secretin, the pancreas secretes a fluid
a) rich in enzymes.
b) rich in bicarbonate.
c) rich in bile.
d) that contains only proteases.
e) that contains only amylase.
9) all of the following are synthesized along various sites of the endoplasmic reticulum
except one. identify the exception.
a) proteins
b) fatty acids
c) steroids
d) rna
e) phospholipids
10) the term that describes the volume of blood circulated by the heart in one minute is
a) cardiac output (co).
b) heart rate (hr).
c) end-diastolic volume (edv).
d) stroke volume (sv).
e) end-systolic volume (esv).
11) the approach to treating patients who secrete abnormal amounts of hormone
sometimes depends upon the age of the patient. list the hormones of growth and
metabolism for which this statement is true, and explain in each case how and why the
approach would differ for a prepubertal patient compared to a postpubertal patient.
12) are relaxation of a muscle and inhibition of a muscle the same thing? explain your
answer.
13) cortisol secretion shows a ________ pattern of secretion, normally peaking in the
________.
14) cholinergic receptors respond to the neurotransmitter ________.
15) a(n) ________ consists of a combination of a weak acid and its dissociation
products.