1) compared to arteries, the velocity of flow of the blood through the capillaries is
a) at least 10 times faster.
b) at least twice as fast.
c) about the same.
d) much slower.
e) impossible to predict without more information.
2) match the structure or compound to its function.
a. ezetimbe
b. ferroportin
c. hepcidin
d. dmt1
e. npc1l1
blocks cholesterol absorption
3) a. ernie, an experienced batter, steps up to the plate, looks off into the distance, and
plans where to hit the baseball. he then swings the bat, connects with the ball, sends it
into the air, and follows through the swing with his arms, hips, and knees, and shifts his
weight from one leg to the other. he watches the ball fly away, and takes off for first
base. explain what areas of the central nervous system are working during each phase of
the action outlined, and which step is controlled by each part.
b. continue to integrate this with information from other topics as the action continues:
ernie hears the umpire yell “infield fly! batter’s out!” he remembers the rules of the
game, slows his pace, and leaves the baseline before arriving at first base.
4) the cells responsible for cell-mediated immunity are the
a) b lymphocytes.
b) plasma cells.
c) t lymphocytes.
d) suppressor t lymphocytes.
5) autorhythmic cells
a) are also called pacemakers because they set the rate of the heartbeat.
b) are the same size as myocardial contractile cells.
c) have organized sarcomeres.
d) contribute to the force of contraction.
e) none of the answers are correct.
6) there is a legend about an autopsy having been performed on a space alien in new
mexico, many decades ago. assuming that this alien was as well-educated and trained
on its planet as nasa educates and trains astronauts on earth, what feature would be
expected in the alien’s brain?
a) a system of fluid-filled cavities deep in the brain
b) a thick band of fibers connecting right and left hemispheres
c) an enlarged area with surface grooves and folds
d) at least 12 pairs of cranial nerves
e) glandular structures resembling the pineal and pituitary
7) energy input equals energy output. this statement is known as the
a) first law of thermodynamics.
b) second law of thermodynamics.
c) law of mass balance.
8) the synthesis of glucose from a noncarbohydrate precursor is referred to as
a) glycogenesis.
b) glycogenolysis.
c) glycolysis.
d) gluconeogenesis.
e) glycogen.
9) a person who suffers from hyperventilation will exhibit signs of
a) respiratory acidosis.
b) respiratory alkalosis.
c) metabolic acidosis.
d) metabolic alkalosis.
e) none of the answers are correct.
10) the watery medium that surrounds a cell is known as
a) cytosol.
b) protoplasm.
c) extracellular fluid.
d) cytoplasm.
e) plasma.
11) gametes are produced by
a) internal genitalia.
b) external genitalia.
c) gonads.
d) autosomes.
e) sex chromosomes.
12) two types of rna block translation of mrna. they are ________ rna and ________
rna.
13) match the potential or potential change with the causative circumstances. assume
ion movements are net movements. answers may be used more than once or not at all.
a. resting membrane potential
b. hyperpolarization
c. depolarization
d. repolarization
e. more than one of the answers
membrane potential is 0 mv
14) the difference between the systolic and diastolic pressures is called the
a) systemic pressure.
b) mean arterial pressure.
c) pulse pressure.
d) blood pressure.
e) circulatory pressure.
15) the adrenal medulla produces
a) androgens.
b) glucocorticoids.
c) mineralocorticoids.
d) catecholamines.
e) corticosteroids.
16) close examination of an organ reveals a lining of several layers of cells. the layers
do not contain any blood vessels, and one surface of the cells faces the internal cavity of
the organ. this tissue is probably
a) epithelium.
b) muscle tissue.
c) connective tissue.
d) neural tissue.
e) fat tissue.
17) match the following structures with the appropriate description.
a. appendix
b. colon
c. duodenum
d. ileum
e. jejunum
located at the ventral end of the cecum
18) what are two benefits of having a portal system that connects the hypothalamus
with the anterior pituitary gland? are there any other endocrine axes connected by a
portal system?
19) list and explain the functions of the regulatory molecules in a sarcomere, specifying
how the on and off positions are controlled and its impact on the crossbridges formed.
20) make a map using the following terms: bile, bilirubin, ferritin, heme, hemoglobin,
intestine, iron in diet, kidney, plasma, spleen, transferrin. you may also add additional
terms.
21) venous return to the heart is aided by ________ and the ________.
22) list and briefly describe the seven categories of soluble proteins.
23) a 70-year-old man weighs 145 pounds and has 48% of his body weight in the form
of water. how many liters of water is that?
24) angela is a student who listens attentively in class and recopies and elaborates on
her notes from several textbooks the minute she gets home from school. she studies
with a group that explains concepts to each other, and they write on a big blackboard
while they work. she makes flashcards out of the few vocabulary terms she has a hard
time keeping straight, and goes through those between classes and in spare moments.
what kind(s) of memory are being developed by angela, and by which methods?
25) why are physiology and anatomy frequently studied together?
26) limbic system