Question 1

The system that modulates excitation and inhibition of the smooth and cardiac muscles of the digestive,cardiovascular,and excretory systems is the

Accepted Answer

A)  central nervous system.
B)  motor system.
C)  autonomic nervous system.
D)  sensory system. C

Question 2

Which of the following structures are correctly paired?

Accepted Answer

A)  forebrain and medulla oblongata
B)  forebrain and cerebellum
C)  midbrain and cerebrum
D)  hindbrain and cerebellum
E)  brainstem and anterior pituitary gland D

Question 3

What type of neuron would be abundant in the white matter in the brain and the white matter in the spinal cord?

Accepted Answer

A)  unmyelinated axons
B)  myelinated axons B

Question 4

The motor cortex is part of the

Accepted Answer

A)  cerebrum.
B)  cerebellum.
C)  spinal cord.
D)  midbrain.
E)  medulla oblongata.

Question 5

A patient has been diagnosed with a tumor that has destroyed the center of her optic chiasm.How has this affected her vision?

Accepted Answer

A)  She is blind.
B)  She can only see out of her left eye.
C)  She can only see out of her right eye.
D)  She has a limited field of view in each eye.
E)  She has normal vision.

Question 6

The endogenous nature of biological rhythms is based on the observation that animals isolated from light and dark cues

Accepted Answer

A)  continue to have cycles of exactly 24 hours in duration.
B)  continue to have cycles of approximately 24 hours in duration-some more rapid,some slower.
C)  synchronize activity with whatever lighting cycle is imposed on them.
D)  cease having any biological rhythms.
E)  are independent of any genetic determinants.

Question 7

This is the trans isomer of retinal.Where would it be bound to the opsin protein,and why?

Accepted Answer

A)  Retinal would be found at the cytosolic side of opsin because it is hydrophilic.
B)  Retinal would be found at the cytosolic side of opsin because it is mostly hydrophobic.
C)  Retinal would be found in the transmembrane core of opsin because it is mostly hydrophobic.
D)  Retinal would be found in the transmembrane core of opsin because it is hydrophilic.

Question 8

The perceived pitch of a sound depends on

Accepted Answer

A)  which part of the tympanic membrane is being vibrated by sound waves.
B)  which part of the oval window produces waves in the cochlear fluid.
C)  which region of the basilar membrane was set in motion.
D)  whether or not the sound moves the incus,malleus,and stapes.

Question 9

When Phineas Gage had a metal rod driven into his frontal lobe,he experienced

Accepted Answer

A)  loss of the ability to reason.
B)  loss of all short-term memory.
C)  greatly altered emotional responses.
D)  loss of all long-term memory.
E)  loss of his sense of balance.

Question 10

Suppose you were walking to class when all of a sudden your friend jumped out and scared you! What would you expect to observe with your nervous system?

Accepted Answer

A)  increased activity in all parts of the peripheral nervous system
B)  increased activity in the sympathetic division and decreased activity in the parasympathetic division
C)  decreased activity in the sympathetic division and increased activity in the parasympathetic division
D)  increased activity in the enteric nervous system

Question 11

Figure 38.3
-Vibrations of the tympanic membrane are transmitted to the oval window by the structure(s)in Figure 38.3 at which number(s)?

Accepted Answer

A)  1,2,3,and 4 only
B)  2,3,and 4 only
C)  3 and 4 only
D)  4 only
E)  5 only

Question 12

-Cortical deafness is a rare form of hearing loss where the patient is unable to hear sounds without any damage to the anatomy of the ear.What lobe is most affected in cortical deafness?

Accepted Answer

A)  A
B)  B
C)  C
D)  D

Question 13

In mammals,advanced cognition is usually correlated with a large and very convoluted cerebral cortex,but birds are capable of sophisticated cognition because they have

Accepted Answer

A)  a more advanced cerebellum.
B)  a cerebellum with several flat layers.
C)  a pallium with neurons clustered into nuclei.
D)  microvilli to increase the brain's surface area.

Question 14

-Macular degeneration is a medical condition that results in no vision or blurred vision at the center of the visual field and can be caused by aging,smoking,and hypertension.What structure is most affected in macular degeneration?

Accepted Answer

A)  A
B)  B
C)  C
D)  D
E)  E

Question 15

Patients with damage to Wernicke's area have difficulty

Accepted Answer

A)  coordinating limb movement.
B)  generating speech.
C)  recognizing faces.
D)  understanding language.

Question 16

Rods exposed to light will

Accepted Answer

A)  depolarize due to the opening of sodium channels.
B)  hyperpolarize due to the closing of sodium channels.
C)  depolarize due to the opening of potassium channels.
D)  hyperpolarize due to the closing of potassium channels.

Question 17

Imagine you are resting comfortably on a sofa after dinner.This could be described as a state with

Accepted Answer

A)  increased activity in the sympathetic,parasympathetic,and enteric nervous systems.
B)  decreased activity in the sympathetic,parasympathetic,and enteric nervous systems.
C)  decreased activity in the sympathetic nervous system and increased activity in the parasympathetic and enteric nervous systems.
D)  increased activity in the sympathetic nervous system and decreased activity in the parasympathetic and enteric nervous systems.
E)  increased activity in the sympathetic nervous system,decreased activity in the parasympathetic nervous system,and increased activity in the enteric nervous system.

Question 18

Preparation for the "rest and digest" response includes activation of the ________ nervous system.

Accepted Answer

A)  sympathetic
B)  somatic
C)  sensory
D)  parasympathetic

Question 19

-Mydriasis is a medical condition in which the pupils remain dilated even when exposed to light.What structure is most affected in mydriasis?

Accepted Answer