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1) stimulation of the neurons in the celiac ganglion would lead to
a) relaxation of the urinary sphincter.
b) increased heart rate.
c) hydrolysis of liver glycogen reserves.
d) activation of ventral sweat glands.
e) increased gastric motility.
2) the muscle that extends the arm while doing push-ups is the
a) deltoid.
b) pectorals.
c) brachialis.
d) triceps.
e) biceps.
3) an anatomical term that means the same as ventral:
a) posterior
b) inferior
c) abdominal
d) anterior
e) superior
4) depolarization of the atria corresponds to the ekg's
a) p wave.
b) qrs complex.
c) qt interval.
d) t wave.
e) s-t segment.
5) which of the following muscles is found within the pelvic floor?
a) ischiocavernosus
b) perineal group
c) bulbospongiosus
d) coccygeus
e) all of the answers are correct.
6) which of the following muscles functions to expel urine or semen in males?
a) bulbospongiosus
b) superficial transverse perineus
c) coccygeus
d) levator ani
e) anconeus
7) which of the following is a function of tears?
a) lubricate the eye
b) wash away debris
c) provide oxygen
d) nourish the cornea and conjunctiva
e) all of the answers are correct.
8) watery perspiration is an example of a(n) ________ secretion.
a) merocrine
b) apocrine
c) holocrine
d) serous
e) mucous
9) considering the left ventricle, why does isovolumetric ventricular contraction occur
during ventricular systole?
a) the ventricle needs to pressurize the blood to close the aortic valve.
b) ventricular pressure is greater than atrial pressure so the ventricle cannot eject blood.
c) the bicuspid valve needs time to shut before the ventricle can eject blood.
d) aortic pressure is higher than ventricular pressure and the ventricle must pressurize
the blood to open the aortic valve.
e) the ventricle is still filling with blood and therefore cannot eject blood during this
time.
10)
figure 20-2 cardiac cycle
with each ventricular systole,
a) blood pressure remains steady.
b) the ventricles fill with blood.
c) blood pressure decreases.
d) cardiac output decreases.
e) blood pressure increases.
11) secretions through a duct might provide ________, whereas ductless secretions act
as ________.
a) lubrication; lubricators
b) enzymes; hormones
c) transport media; physical protectors
d) superficial relief; interstitial fluid
e) odors; alarms
12)
figure 15-1 spinothalamic tracts
identify the type of information that travels along the structure labeled "2."
a) motor commands to skeletal muscles
b) proprioception to the cerebral cortex
c) fine touch to the cerebral cortex
d) pain and crude touch sensations
e) visceral motor commands to smooth muscle
13)
figure 19-1 the origins and differentiation of formed elements
identify the cell labeled "2"
a) lymphocyte
b) eosinophil
c) basophil
d) neutrophil
e) monocyte
14) the most abundant class of neuron in the central nervous system is
a) anaxonic.
b) bipolar.
c) multipolar.
d) pseudopolar.
e) unipolar.
15) expiratory movements are produced by contraction of the ________ muscle.
a) scalene
b) diaphragm
c) internal intercostal
d) external intercostal
e) serratus anterior
16) sperm are moved along the ductus deferens by
a) hydrostatic force.
b) ciliary action.
c) peristaltic contractions.
d) suction.
e) hydraulic action.
17) which of the following is not a property of thermoreceptors?
a) sensation conducted in same pathway as pain
b) tonic response to temperature change
c) found in skeletal muscle, hypothalamus, and skin
d) project to reticular formation
e) cold receptors outnumber warm receptors
18) in which of the following would the motor units have the fewest muscle fibers?
a) muscles of the neck
b) postural muscles of the back
c) muscles that control the eyes
d) thigh muscles
e) calf muscles
19) in the knee joint, the medial and lateral menisci
a) are cartilages that bind the knee to the tibia.
b) act as cushions and conform to the shape of the articulating surfaces.
c) take the place of bursae.
d) are found between the patella and femur.
e) are fat pads to protect the articulating bones.
20) if a patient is administered a powerful glucocorticoid (such as prednisone) to
suppress the immune system, what unintended effects might this have on blood
chemistry?
a) increase of insulin
b) decrease of insulin
c) increase of blood glucose
d) decrease of blood glucose
e) both an increase of insulin and an increase in blood glucose
