A&P 1 Fall 2011
Russo
Exam 4
Match the following:
A) Parietal lobe
B) Temporal lobe
C) Insula
D) Frontal lobe
E) Occipital lobe
1) Auditory area.
Diff: 2 Page Ref: 438
2) Primary sensory cortex.
Diff: 2 Page Ref: 438; Fig. 12.8
3) Somatic motor cortex.
Diff: 2 Page Ref: 435; Fig. 12.8
4) Motor speech area.
Diff: 2 Page Ref: 438; Fig. 12.8
5) Premotor area.
Diff: 2 Page Ref: 437; Fig. 12.8
6) Visual area.
Diff: 1 Page Ref: 438; Fig. 12.8
7) Taste (gustatory) area.
Diff: 1 Page Ref: 439; Fig. 12.9
8) Seat of intelligence, abstract reasoning.
Diff: 2 Page Ref: 439; Fig. 12.8
Answers: 1) B 2) A 3) D 4) D 5) D 6) E 7) C 8) D
Match the following:
A) Primary motor cortex
B) Prefrontal area
C) Hypothalamus
D) Thalamus
9) A major relay station for sensory information ascending to primary sensory areas of the cerebral cortex. Contains many specialized nuclei.

Diff: 1 Page Ref: 441; Fig. 12.12
10) This brain area associates experiences necessary for the production of abstract ideas, judgment, and conscience.
Diff: 2 Page Ref: 439; Fig. 12.8
11) The axons from this area form the major pyramidal tracts.
Diff: 2 Page Ref: 435; Fig. 12.8
12) This area is the main visceral control center of the body.
Diff: 1 Page Ref: 443; Fig. 12.12
Answers: 9) D 10) B 11) A 12) C
Match the following:
A) Hypothalamus
B) Brain stem
C) Thalamus
D) Cerebrum
E) Cerebellum
13) Gateway to the cerebrum
Diff: 2 Page Ref: 443
14) Motor command center
Diff: 2 Page Ref: 450
15) Survival center
Diff: 2 Page Ref: 445
16) Executive suite
Diff: 2 Page Ref: 435
17) Visceral command center
Diff: 2 Page Ref: 443
Answers: 13) C 14) E 15) B 16) D 17) A
T/F
18) Specific motor and sensory functions are localized in specific areas called domains, whereas memory and language have overlapping domains.
Answer: TRUE
Diff: 2 Page Ref: 435
19) The corpora quadrigemina superior colliculi are visual reflex centers, whereas the

inferior colliculi are auditory reflex centers.
Answer: TRUE
Diff: 2 Page Ref: 446
20) The first obvious sign that the nervous system is forming in the embryo is the thickening of the surface ectoderm to form the neural plate.
Answer: TRUE
Diff: 2 Page Ref: 430
21) The left cerebral hemisphere is usually dominant.
Answer: TRUE
Diff: 1 Page Ref: 440
22) The limbic system acts as our emotional, or affective, brain.
Answer: TRUE
Diff: 1 Page Ref: 452; Tbl. 12.1
23) The canal connecting the third and fourth ventricles and running through the midbrain is the foramen of Monro.
Answer: FALSE
Diff: 1 Page Ref: 432; Fig. 12.5
24) Commissural fibers form the corpus striatum.
Answer: FALSE
Diff: 1 Page Ref: 441
Multiple Choice
25) Nuclei of cranial nerves V, VI, and VII are found in the ________.
A) midbrain
B) medulla
C) pons
D) cerebrum
Answer: C
Diff: 1 Page Ref: 447
26) Which of the following is not an example of an exteroceptor?
A) touch
B) pressure
C) pain
D) temperature
E) baroreceptor
Answer: E
Diff: 2 Page Ref: 486

27) Which of the following is not a main level of neural integration in the somatosensory system?
A) receptor
B) circuit
C) segmental
D) perceptual
Answer: C
Diff: 1 Page Ref: 489
28) Which of the following is an incorrect statement regarding the occurrence of a sensation?
A) The stimulus energy must match the specificity of the receptor.
B) The stimulus energy must occur within the receptor’s receptive field.
C) The stimulus energy must be converted into the energy of a graded potential
called a transduction potential.
D) A generator potential in the associated sensory neuron must reach threshold.
Answer: C
Diff: 2 Page Ref: 489
29) Which of the following is not an aspect of sensory perception?
A) magnitude estimation
B) spatial discrimination
C) feature attraction
D) quality estimation
E) pattern recognition
Answer: D
Diff: 2 Page Ref: 490
30) Pressure, pain, and temperature receptors in the skin are ________.
A) interoceptors
B) exteroceptors
C) proprioceptors
D) mechanoreceptors
Answer: B
Diff: 1 Page Ref: 486
31) Potentially damaging stimuli that result in pain are selectively detected by ________.
A) interoceptors
B) photoreceptors
C) nociceptors
D) proprioceptors
Answer: C
Diff: 1 Page Ref: 485
32) Nerves that carry impulses toward the CNS only are ________.
A) afferent nerves

B) efferent nerves
C) motor nerves
D) mixed nerves
Answer: A
Diff: 2 Page Ref: 491
33) Feeling a gentle caress on your arm would likely involve all of the following except
________.
A) Meissner's corpuscles
B) tactile discs
C) Pacinian corpuscles
D) hair follicle receptors
Answer: C
Diff: 2 Page Ref: 486; Tbl. 13.1
T/F
34) The photoreceptor cells are sensitive to damage from light.
Answer: TRUE
Diff: 1 Page Ref: 561
35) Both the cornea and the lens are vascular.
Answer: FALSE
Diff: 1 Page Ref: 556
36) The bending of light rays is called reflection.
Answer: FALSE
Diff: 1 Page Ref: 557
37) When we move from darkness to bright light, retinal sensitivity is lost, but visual acuity is gained.
Answer: TRUE
Diff: 3 Page Ref: 562
38) The function of the lens of the eye is to allow precise focusing of light on the retina.
Answer: TRUE
Page Ref: 556 Diff: 3
Multiple Choice
39) Farsightedness is more properly called ________.
A) myopia
B) hypopia
C) hyperopia
D) presbyopia
Answer: C

Diff: 1 Page Ref: 559
40) Which of the following is true about photoreceptors?
A) Rods absorb light throughout the visual spectrum but confer only gray tone vision.
B) In dim light, images are focused directly on the rods in the fovea centralis.
C) Three types of color-sensitive photoreceptors exist: red, green, and yellow.
D) If all cones are stimulated equally, all colors are absorbed by the cones and the color perceived is black.
Answer: A
Diff: 2 Page Ref: 559-562
41. YAY!
42) Light passes through the following structures in which order?
A) vitreous humor, lens, aqueous humor, cornea
B) cornea, aqueous humor, lens, vitreous humor
C) cornea, vitreous humor, lens, aqueous humor
D) aqueous humor, cornea, lens, vitreous humor
Answer: B
Diff: 2 Page Ref: 557
43) The oval window is connected directly to which passageway?
A) scala vestibuli
B) external acoustic meatus
C) pharyngotympanic tube
D) scala tympani
Answer: A
Diff: 2 Page Ref: 577
44) Receptors for hearing are located in the ________.
A) cochlea
B) semicircular canals
C) tympanic membrane
D) vestibule
Answer: A
Diff: 1 Page Ref: 577
45) As sound levels increase in the spiral organ (of Corti), ________.
A) outer hair cells stiffen the basilar membrane
B) outer hair cells bend the cilia away from the kinocilium
C) inner hair cells stiffen the basilar membrane
D) inner hair cells bend the cilia away from the kinocilium
Answer: A
Diff: 2 Page Ref: 581-582
46) Which pairing of terms is incorrectly related?

A) frequency: loudness
B) quality: frequency number
C) amplitude: sound intensity
D) frequency: wavelength number
Answer: A
Diff: 2 Page Ref: 579-580
Xtra Credit (1 point each)
1) Which receptors adapt most slowly?
A) smell receptors
B) pressure receptors
C) nociceptors
D) touch receptors
Answer: C
Diff: 3 Page Ref: 487; Tbl. 13.1
2) Transduction refers to conversion of ________.
A) presynaptic nerve impulses to postsynaptic nerve impulses
B) stimulus information to nerve impulses
C) receptor energy to stimulus energy
D) afferent impulses to efferent impulses
Answer: B
Diff: 2 Page Ref: 489
3) Which of the following is true about light and vision?
A) Human photoreceptors respond to light in the 100-300 nm range.
B) When we see the color of an object, all light is being absorbed by that object except for the color being experienced.
C) Light is a form of electromagnetic radiation that slows down as it enters a medium of relatively less density.
D) The greater the incident angle of light striking a refractive surface, the less the amount of light bending.
Answer: B
Diff: 2 Page Ref: 556-557
4) Visual processing in the thalamus does not contribute significantly to ________.
A) depth perception
B) high-acuity vision
C) night vision
D) movement perception
Answer: C
Diff: 3 Page Ref: 566
T/F

5) Light passes through the entire thickness of the neural layer of the retina to excite the photoreceptors.
Answer: TRUE
Diff: 2 Page Ref: 557