1) an area of the retina that contains only cones and is the site of sharpest vision is the
a) outer segment.
b) inner segment.
c) fovea.
d) optic disc.
e) tapetum lucidum.
2) mary is tested for the amount of hemoglobin in her blood. the test results indicate
that her hemoglobin level is 16 g/dl of blood. this value indicates that
a) she is suffering from anemia.
b) she has fewer red blood cells than normal.
c) her hematocrit is probably lower than normal.
d) she may be suffering from a form of leukemia.
e) her hemoglobin level is normal.
3) the ventral rami of spinal nerves c5 to t1 contribute fibers to the ________ plexus.
a) cervical
b) brachial
c) lumbar
d) sacral
e) thoracic
4)
figure 13-2 spinal nerves
identify the structure labeled “6”
a) autonomic nerve
b) sympathetic ganglion
c) dorsal root ganglion
d) rami communicantes
e) ventral root
5) the part of the tibia that is easily felt through the skin is and is known as the shin is
the
a) medial malleolus.
b) anterior crest.
c) tibial tuberosity.
d) articular facet.
e) anterior margin.
6) boyle’s law of gases states that
a) the pressure and volume of a gas are equal.
b) as the temperature goes up, the pressure goes up.
c) the total gas pressure is equal to the sum of the partial pressures.
d) the concentration of dissolved gas is proportional to its partial pressure.
e) if the volume goes up, the pressure goes down.
7) which of the following is a not characteristic of the female pelvis?
a) triangular obturator foramen
b) coccyx points anteriorly
c) sacrum broad and short
d) bone markings not very prominent
e) ischial spine points posteriorly
8) each of the following is an example of a nonmembranous organelle, except
a) lysosomes.
b) cilia.
c) centrioles.
d) ribosomes.
e) cytoskeleton.
9) put the following steps of stomach acid production in the correct order starting with
the reaction that requires an enzyme:
1. h2co3 dissociates
2. chloride ion combines with h+ in the gastric lumen
3. water and co2 combine to form carbonic acid
4. h+ and bicarbonate ion are transported out of the cell
a) 3, 1, 2, 4
b) 1, 3, 2, 4
c) 4, 3, 1, 2
d) 4, 1, 2, 3
e) 3, 1, 4, 2
10) the nasal complex consists of all of the following bones, except the
a) zygomatic.
b) ethmoid.
c) sphenoid.
d) frontal.
e) maxillary.
11) why must accommodation occur to view objects closer than 20 feet from the eye?
a) the light rays are convergent and must be bent more.
b) it moves the retina into position to focus on the close object.
c) the light rays are divergent instead of parallel and require more refraction.
d) the iris is too dilated causing the light rays to be out of focus.
e) none of the answers are correct. are true. accommodation occurs when looking at
distant objects 20 feet or farther from the eye.
12)
figure 24-2 the wall of the small intestine
what type of epithelium covers the structure labeled “6”?
a) simple squamous
b) stratified squamous
c) simple cuboidal
d) simple columnar
e) pseudostratified ciliated columnar
13) the ________ division of the autonomic nervous system is said to function during
“rest and digest.”
a) sympathetic
b) parasympathetic
c) thoracolumbar
d) visceral
e) somatomotor
14) a normal, relaxed inhalation carries about ________ of the inhaled air to the
olfactory organs.
a) 50 percent
b) 8 percent
c) 2 percent
d) 35 percent
e) 10 percent
15) water loss from insensible perspiration
a) is negligible.
b) is too small to be measured reliably.
c) is approximately 0.5 liters a day.
d) always exceeds sensible perspiration.
e) depends on apocrine sweat glands.
16) a fast-adapting tactile receptor that monitors movements across the body surface is
a
a) tactile (merkel) disc.
b) lamellated corpuscle.
c) tactile (meissner) corpuscle.
d) ruffini corpuscle.
e) root hair plexus.
17) lymph nodes range in diameter from
a) 1 nm to 10 nm.
b) 1 inch to 2 inches.
c) 1 mm to 25 mm.
d) 1 cm to 25 cm.
e) 1 cm to 1 inch.
18) a pigment synthesized from vitamin a is
a) retinal.
b) opsin.
c) rhodopsin.
d) transducin.
e) cgmp.
19) which of the following terms could be used with a muscle that is associated with the
chin?
a) cleido
b) costalis
c) popliteus
d) nuchal
e) genio
20) ________ are clusters of lymphatic nodules deep to the epithelial lining of the small
intestine.
a) tonsils
b) adenoids
c) peyer patches
d) immune complexes
e) lymph glands
21) how can an understanding of the neurotransmitters important in the function of the
basal nuclei contribute to an understanding the underlying cause for parkinson’s
disease?
22) when a person receives intravenous fluids to help build up blood volume, why is it
important for the fluid to be isotonic?
23) abnormal jumpy eye movements that may appear after brain stem or inner ear
damage are called ________.
24) the muscle that elevates the larynx is the ________ muscle.
25) in ________, axon collaterals extend back toward the source of the impulse and
further stimulate the earlier neurons.
26) the ________ covers the outer surface of the heart.
27) the outer layer of the blastocyst that can penetrate the endometrium is the
________.
28) the hormone that stimulates spermatogenesis in males is ________.
29) the lining of the heart and blood vessels is called ________.