Question 1

Fibers of the spinothalamic tract transmit pain and temperature information to the

Accepted Answer

A)   hypothalamus.
B)   cerebellum
C)   brainstem.
D)   thalamus.E) None of the above
F) A) and B)

Question 2

When the radial muscles of the iris contract, the diameter of the pupil decreases.

Accepted Answer

A) True 
 B)False

Question 3

Colorblindness is inherited.

Accepted Answer

A) True 
 B)False

Question 4

The utricle and saccule contain the sensory receptors associated with the sense of dynamic equilibrium.

Accepted Answer

A) True 
 B)False

Question 5

Receptors stimulated by changes in temperature are called ____________ .

Accepted Answer

The answer of Receptors stimulated by changes in temperature are...

Question 6

Receptors for the special senses are found

Accepted Answer

A)   primarily in the head.
B)   throughout the integumentary system.
C)   in the fingertips.
D)   in internal organs.E) All of the above
F) None of the above

Question 7

Visual sensations from images focused on the side of the retina are blurred because

Accepted Answer

A)   there are no rods in this region.
B)   there are more cones than rods in this region.
C)   there are more rods than cones in this region.
D)   the optic disc is located on the side of the retina.E) A) and C)
F) C) and D)

Question 8

If you were a physician evaluating a young person who has conductive deafness, which of the following would you consider in your differential diagnosis?

Accepted Answer

A)   A torn tympanic membrane
B)   A brain tumor
C)   Damage to the auditory nerve
D)   Use of the antibiotic drug streptomycinE) All of the above
F) A) and B)

Question 9

The optic disc is medial to the fovea centralis and is the site from which nerve fibers from the retina leave the eye and become part of the optic nerve.

Accepted Answer

A) True 
 B)False

Question 10

Pain receptors differ from other somatic receptors by

Accepted Answer

A)   being stimulated only when pain comes from skeletal muscle.
B)   adapting very little, if at all.
C)   not being able to project impulses back to their origin.
D)   adapting much more than other receptors.E) None of the above
F) All of the above

Question 11

Sensory receptors are specialized cells or multicellular structures that collect information from the environment and stimulate neurons to send impulses along sensory fibers to the brain, where the cerebral cortex forms a perception.

Accepted Answer

A) True 
 B)False

Question 12

Floaters are bowel movements that float due to a fatty diet.

Accepted Answer

A) True 
 B)False

Question 13

The taste of food is the same, whether a person has a respiratory infection or not.

Accepted Answer

A) True 
 B)False

Question 14

Sensory receptors include

Accepted Answer

A)   mechanoreceptors.
B)   chemoreceptors.
C)   photoreceptors.
D)   all of the above.E) All of the above
F) B) and C)

Question 15

Optic nerve fibers cross over in the thalamus.

Accepted Answer

A) True 
 B)False

Question 16

Farsightedness after the age of forty-five is most likely caused by

Accepted Answer

A)   loss of lens capsule elasticity.
B)   shortening of the eyeball.
C)   lengthening of the eyeball.
D)   changes in curvature of the cornea.E) None of the above
F) B) and C)

Question 17

The brain interprets input from sensory receptors as

Accepted Answer

A)   reception.
B)   sensation.
C)   perception.
D)   contraception.E) A) and B)
F) A) and D)

Question 18

The Golgi tendon organ is stimulated more when

Accepted Answer

A)   muscles are metabolically active and produce oxygen.
B)   muscle tension increases.
C)   muscle tension decreases.
D)   muscle tension stays the same.E) A) and B)
F) A) and C)

Question 19

Receptors that are stimulated by changes in chemical concentrations are called thermoreceptors.

Accepted Answer

A) True 
 B)False

Question 20

Henry has hereditary sensory and autonomic neuropathy. He lacks

Accepted Answer

A)   chemoreceptors.
B)   nociceptors.
C)   mechanoreceptors.
D)   baroreceptors.E) A) and B)
F) All of the above

Exam 12: Nervous System III: Senses

When the radial muscles of the iris contract, the diameter of the pupil decreases.

Correct AnswerverifiedShow Answer

If you were a physician evaluating a young person who has conductive deafness, which of the following would you consider in your differential diagnosis?

Correct AnswerverifiedShow Answer

Henry has hereditary sensory and autonomic neuropathy. He lacks

Correct AnswerverifiedShow Answer

The taste of food is the same, whether a person has a respiratory infection or not.

Correct AnswerverifiedShow Answer

Sensory receptors are specialized cells or multicellular structures that collect information from the environment and stimulate neurons to send impulses along sensory fibers to the brain, where the cerebral cortex forms a perception.

Correct AnswerverifiedShow Answer

Visual sensations from images focused on the side of the retina are blurred because

Correct AnswerverifiedShow Answer

The optic disc is medial to the fovea centralis and is the site from which nerve fibers from the retina leave the eye and become part of the optic nerve.

Correct AnswerverifiedShow Answer

The Golgi tendon organ is stimulated more when

Correct AnswerverifiedShow Answer

Optic nerve fibers cross over in the thalamus.

Correct AnswerverifiedShow Answer

Colorblindness is inherited.

Correct AnswerverifiedShow Answer

Pain receptors differ from other somatic receptors by

Correct AnswerverifiedShow Answer

The utricle and saccule contain the sensory receptors associated with the sense of dynamic equilibrium.

Correct AnswerverifiedShow Answer

Floaters are bowel movements that float due to a fatty diet.

Correct AnswerverifiedShow Answer

Receptors stimulated by changes in temperature are called ____________ .

Correct AnswerverifiedShow Answer

Receptors that are stimulated by changes in chemical concentrations are called thermoreceptors.

Correct AnswerverifiedShow Answer

The brain interprets input from sensory receptors as

Correct AnswerverifiedShow Answer

Sensory receptors include

Correct AnswerverifiedShow Answer

Receptors for the special senses are found

Correct AnswerverifiedShow Answer

Fibers of the spinothalamic tract transmit pain and temperature information to the

Correct AnswerverifiedShow Answer

Farsightedness after the age of forty-five is most likely caused by

Correct AnswerverifiedShow Answer

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