1) pendrin is an anion transporter important in the production of
a) parathyroid hormone.
b) calcitonin.
c) trh.
d) tsh.
e) thyroid hormone.
2) convective heat loss occurs when
a) water evaporates from the skin’s surface.
b) warm air rises from the body’s surface.
c) a cooler object rests on the body’s surface.
d) one swims in water below body temperature.
e) all of the answers are correct.
3) match each hormone with its primary source.
a. prolactin
b. insulin
c. aldosterone
d. melatonin
e. calcitonin
f. epinephrine
adrenal cortex
4) the precursor chemical for acth synthesis is
a) crh.
b) pomc.
c) beta-endorphin.
d) msh.
e) trh.
5) which of the following has its cell body in the ganglion?
a) preganglionic neuron
b) postganglionic neuron
c) somatic motor neuron
d) preganglionic neuron and postganglionic neuron
e) preganglionic neuron, postganglionic neuron, and somatic motor neuron
6) ________ is released from type ii cells to stimulate primary gustatory neurons.
a) serotonin
b) gustducin
c) acetylcholine
d) glutamine
e) atp
7) which of the following kidney processes is always active and always requires energy
to occur?
a) filtration
b) reabsorption
c) secretion
d) excretion
8) the rising phase of the action potential is due to
a) na+ flow into the cell only.
b) na+ flow out of the cell only.
c) k+ flow out of the cell only.
d) k+ flow into the cell only.
e) na+ flow out of the cell and k+ flow into the cell.
9) which is not a pathogen?
a) cancer
b) hookworm
c) athlete’s foot fungus
d) chicken pox virus
e) meningococcus bacterium
10) in the aerobic metabolism of glucose, ________ acts as the final electron acceptor.
a) water
b) oxygen
c) carbon dioxide
d) lactate
e) atp
11) what is jaundice? what substance is present in abnormal levels? what can cause
jaundice to occur? what difference may impede a doctor’s ability to diagnose jaundice
between people of european compared to african ancestry?
12) you are a scientist who has been hired to write a screenplay for a popular tv series.
the plot involves the discovery by a rogue botanist of a plant toxin that interferes with
the function of the exchange pump responsible for the chloride shift. this scientist
provides the toxin to bioterrorists. what should you write for the coroner to say about
symptoms in the poisoning victims?
13) smooth muscle cells of blood vessels are described as integrating centers. outline
the various inputs that affect smooth muscle cells and how those are integrated.
14) bovine insulin is composed of 30 amino acids. what is the minimum number of dna
triplets in the insulin gene, based on the amino acid length? what is the minimum
number of dna bases in the coding region? explain how and why the actual number of
triplets in the gene may differ.
15) your study partner in your physiology class insists that axons conduct graded
potentials, and that they play a vital role in production of the action potential. do you
agree or disagree? defend your answer.