question

Which CNS structure is a thick tract of white matter that interconnects the two cerebral hemispheres?

answer

corpus callosum

question

The limbic system:

answer

is also known as the motivational system.

question

Which is correct regarding the prefrontal cortex?

answer

It coordinates information relayed from the association areas of the cortex.

question

Which general sensory receptors are fast-adapting receptors and are most sensitive to pulsing or high-frequency vibrating stimuli?

answer

lamellated corpuscles

question

Which of the following lies between the cerebrum and the brainstem?

answer

diencephalon

question

________ are chambers within the brain that contain cerebrospinal fluid.

answer

Ventricles

question

Sensory information is processed and relayed to the cerebrum by the

answer

thalamus

question

Autonomic centers that control blood pressure, heart rate, and digestion are located in the

answer

medulla oblongata

question

The neural tissue is isolated from the general circulation by the ________.

answer

blood-brain barrier

question

The layer of the meninges that closely follows every gyrus and sulcus is the

answer

pia mater

question

The cells that cover the outer surfaces of CNS capillaries cells are the

answer

astrocytes

question

What is produced by the structure labeled "2"?

answer

cerebrospinal fluid

question

Absorption at the arachnoid granulations returns CSF to the

answer

venous circulation

question

Which of the following is not a function of cerebrospinal fluid?

answer

provides ATP for impulse transmission

question

What structure is covered by many blood vessels and adheres tightly to the surface of the brain?

answer

pia mater

question

What contains a spiderweb-like network of cells and fibers through which cerebrospinal fluid flows?

answer

subarachnoid space

question

Identify the structure labeled "8."

answer

arachnoid granulation

question

Which structure coordinates complex motor patterns through feedback loops?

answer

cerebellum

question

The pons contains

answer

sensory and motor nuclei for four cranial nerves. nuclei concerned with the control of respiration. tracts that link the cerebellum with the brainstem. all of the above

question

The control of heart rate and blood pressure is based in the

answer

medulla oblongata

question

Overseeing the postural muscles of the body and making rapid adjustments to maintain balance and equilibrium are functions of the

answer

cerebellum

question

The ________ provides the principal link between the nervous and endocrine systems.

answer

hypothalamus

question

Which of the following is a function of the thalamus?

answer

process sensory information and relay it to the cerebrum

question

Joe begins to experience mood swings and disturbed thirst and hunger. Imaging studies indicate that a brain tumor is the likely cause of these disorders. In what part of the brain is the tumor most likely located?

answer

hypothalamus

question

Which of the following is a function of the hypothalamus?

answer

coordinates day-night cycles of activity/inactivity controls autonomic centers regulates body temperature secretes hormones all of the above

question

Terry suffers from dissociation of memories from their emotional content as the result of an automobile accident. What system of the brain is probably damaged?

answer

the limbic system

question

Which of the following is not a property of the limbic system?

answer

functions in maintaining homeostasis in cold weather

question

The basal nuclei

answer

provide the general pattern and rhythm for movements such as walking

question

The basal nuclei

answer

provide the background patterns of movement involved in voluntary motor activities

question

Divisions of the cerebral hemispheres that are named after the overlying skull bones are

answer

lobes

question

The primary motor cortex is the surface of the

answer

precentral gyrus

question

The surface of the postcentral gyrus contains the ________ cortex

answer

primary sensory

question

The hemisphere of the brain that performs spatial visualization and analysis is the ________ hemisphere.

answer

right

question

The auditory cortex is located in the

answer

temporal lobe

question

The highest levels of information processing occur in the

answer

cerebrum

question

Bob is struck on the left side of the head and is knocked unconscious. When he recovers consciousness, he can hear individual words but cannot understand the meaning of phrases or sentences. This implies damage to his

answer

general interpretive area

question

In most cases, the general interpretive center and the speech center are located in the ________ cerebral hemisphere.

answer

left

question

After suffering a stroke, Mary finds that she cannot move her right arm. This would suggest that the stroke damage is in the area of the ________ lobe.

answer

left frontal

question

The visual cortex is located in the

answer

occipital lobe

question

The region of the brain responsible for predicting the consequence of events or actions is the

answer

prefrontal cerebral cortex

question

The general interpretive area

answer

allows us to interpret what is read or heard

question

After suffering a blow to the back of the head, Phil loses his vision. The blow probably caused damage to the

answer

occipital lobe

question

________ centers receive information from many association areas and direct extremely complex motor activities such as speech.

answer

Integrative

question

Olfactory receptors send axons through the cribriform plate and synapse on neurons in the

answer

olfactory bulb

question

There are ________ pairs of cranial nerves

answer

12

question

You suspect your friend has damage to cranial nerve I when he is unable to

answer

smell his food

question

________ is a conscious awareness of a sensation.

answer

Perception

question

The term general senses refers to sensitivity to all of the following, except

answer

taste

question

The general senses

answer

involve receptors that are relatively simple in structure

question

A receptor that responds to chemicals dissolved in solution is a ________

answer

chemoreceptor

question

The ________ is the area monitored by a single receptor cell.

answer

receptive field

question

A receptor that contains many mechanically gated ion channels would function best as a

answer

tactile receptor

question

________ is a reduction in sensitivity in the presence of a constant stimulus.

answer

Adaptation

question

Thermoreceptors

answer

are found within the dermis. are free nerve endings. for "cold" are structurally indistinguishable from those for "warm." all of the above

question

Receptors that monitor the position of joints belong to the category called

answer

proprioceptors

question

Mechanoreceptors that respond to changes in blood pressure are called

answer

baroreceptors

question

Mechanoreceptors might detect which of the following sensations?

answer

pressure touch vibration muscle length all of the above

question

Autonomic motor neurons

answer

conduct impulses to smooth and cardiac muscles and glands

question

Each of the following effects is associated with stimulation by sympathetic nerves, except

answer

decreased heart rate

question

Stimulation of the reticular formation region of the midbrain results in

answer

increased consciousness

question

The respiratory rhythmicity center is located in the

answer

medulla oblongata

question

The cerebellum adjusts motor activity in response to all of the following, except

answer

smell sensations

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