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1) the following is a list of the steps involved in the process of secretion by the golgi
apparatus.
1. material moves from cisterna to cisterna by means of transfer vesicles.
2. exocytosis.
3. products from rer are packaged into transport vesicles.
4. secretory vesicles are formed at the maturing face.
5. vesicles arrive at the forming face.
6. enzymes modify arriving proteins and glycoproteins.
the proper order for these is
a) 5, 6, 1, 4, 2, 3.
b) 2, 3, 5, 6, 1, 4.
c) 4, 3, 1, 6, 5, 2.
d) 3, 5, 6, 1, 4, 2.
e) 1, 3, 6, 4, 2, 5.
2)
figure 15-1 spinothalamic tracts
where in the spinal cord is the structure labeled "2" located?
a) anterior gray horns
b) dorsal root ganglion
c) anterior white column
d) anterior median fissure
e) posterior white column
3) which of these would cause stroke volume to increase?
a) when venous return is decreased
b) when ventricular contraction is reduced
c) when diastolic blood pressure is decreased
d) decrease in heart rate
e) all of the answers are correct.
4) measurement of the functions of a nephron reveals a glomerular capillary pressure of
69 mm hg, and a pressure in the capsular space of 15 mm hg. assuming that the colloid
osmotic pressure is 30 mm hg, and that essentially no plasma proteins are filtered by the
glomerulus, what is the net filtration pressure in this case?
a) 30 mm hg
b) 24 mm hg
c) 69 mm hg
d) 84 mm hg
e) 99 mm hg
5) which of the following types of joints is monaxial, but capable of only rotation?
a) saddle
b) gliding
c) hinge
d) ball-and-socket
e) pivot
6) which type of muscle fibers are best adapted for prolonged contraction such as
standing all day?
a) uninucleated fibers
b) striated fibers
c) fast fibers
d) slow fibers
e) intermediate fibers
7) the structure of rna differs from dna in that
a) the backbone of rna contains ribose.
b) rna contains pyrimidines but not purines.
c) rna contains purines but not pyrimidines.
d) dna contains pyrimidines but not purines.
e) dna contains purines but not pyrimidines.
8) which of the following lumen diameters would be typical of a muscular artery?
a) 0.2 mm
b) 1.0 cm
c) 0.4 mm
d) 0.4 cm
e) 1.5 cm
9) during amphimixis,
a) sperm become capacitated.
b) the ovum finishes meiosis ii.
c) the male and female pronuclei fuse.
d) meiosis occurs.
e) gametes are formed.
10) which of the following statements concerning the parasympathetic division of the
autonomic nervous system is false?
a) preganglionic neurons are located in the brain stem and sacral region of the spinal
cord.
b) ganglionic neurons are located in ganglia within or near to effectors.
c) preganglionic fibers are relatively short and postganglionic fibers are relatively long.
d) the actions of the parasympathetic division are more localized than those of the
sympathetic division.
e) the ganglionic neurons always release acetylcholine.
11) which group of hormones cause an anti-inflammatory action?
a) thyroglobulins
b) mineralocorticoids
c) pancreatic hormones
d) antidiuretic hormones
e) glucocorticoids
12) stimulation of the apneustic center would result in
a) increased respiratory rate.
b) more intense inhalation.
c) a shorter respiratory cycle.
d) less activity in the drg center.
e) decreased vital capacity.
13) the serous membrane lining the abdominal cavity is the
a) pleura.
b) peritoneum.
c) pericardium.
d) periosteum.
e) perichondrium.
14) the statement "preganglionic axon terminals release acetylcholine" is
a) true only for the parasympathetic nervous system.
b) true only for the sympathetic nervous system.
c) true for both the parasympathetic and sympathetic nervous systems.
d) not true for either the parasympathetic or sympathetic nervous systems.
e) true only for the somatic nervous system.
15) the sticky material between cells of areolar connective tissue is called the
a) cytosol.
b) ground substance.
c) cytoplasm.
d) crista.
e) gel matrix.
16) thalamic neurons that project to the primary sensory cortex are ________ neurons.
a) receptor
b) first-order
c) second-order
d) third-order
e) fourth-order
17) at the level of the first rib, the axillary vein becomes the ________ vein.
a) cephalic
b) azygos
c) subclavian
d) innominate
e) external jugular
18) mike falls off his skateboard and sprains his ankle. which of the following most
likely occurs with this type of accident?
a) a bursa is damaged and leaks synovial fluid.
b) a ligament is stretched and collagen fibers in the ligament are damaged
c) articulating bones are forced out of position and ligaments are torn.
d) dislocation of the ankle occurs.
e) the tibia is broken and must be set in a cast.
19) what occurs if intrapulmonic pressure is 763 mm hg?
a) hyperventilation
b) exhalation
c) pause in breathing
d) apnea
e) inhalation
20) how many bones make up the axial skeleton?
a) 50
b) 60
c) 70
d) 80
e) 90
21) a fibrin clot that is formed over a skin wound is called a(n) ________.
22) a slower-than-normal heart rate is called ________.
23) the long strap-like muscle on the anterior thigh is the ________ muscle.
24) the parietal bones and occipital bone articulate at the ________ suture.
25) the blood vessel that branches from the subclavian artery to supply the anterior wall
of the chest is the ________.
26) the white ramus and the gray ramus collectively are called the ________.
27) outline the events that take place between exposure of the oocyte to spermatozoa
and formation of the first blastomere pair.
