Ch. 11

Question 1

In meningitis, what specific structures would be inflamed and swollen?

Answer 1

arachnoid mater, pia mater, dura mater

Question 2

What is the appearance of cerebrospinal fluid (CSF)>

Answer 2

clear, watery

Question 3

With a subdural hematoma a resulting from a blow to the head, where has the blood accumulated?

Answer 3

between dura mater and arachnoid mater

Question 4

What is found within the dural sinuses?

Answer 4

venous blood

Question 5

The ____ is the thin meninx attached to the surface of the brain, containing many nerves and blood vessels

Answer 5

pia mater

Question 6

The choroid plexuses located in the ____ secrete most of the cerebrospinal fluid present at any one time

Answer 6

lateral ventricles in cerebrum

Question 7

Where is the fourth ventricle located?

Answer 7

within the brain stem

Question 8

Statement that describes the function of cerebrospinal fluid

Answer 8

stable ionic concentration in brain and spinal cord

Question 9

The cerebral aqueduct contains CSF flowing from the ___ to the ___

Answer 9

3rd, 4th ventricle

Question 10

Cerebrospinal fluid reentered the blood via ________

Answer 10

arachnoid granulations

Question 11

What is the correct order for the components of a reflex arc

Answer 11

receptor, sensory neuron, interneuron, motor neuron, effector

Question 12

What is the expected response to the triceps jerk relfex

Answer 12

extension of forearm

Question 13

What is found within the gray matter of the spinal cord

Answer 13

interneurons

Question 14

The gray matter of the spinal cord is divided into areas called

Answer 14

horns

Question 15

What is the caudal equina

Answer 15

bundle of nervous tissue that extends beyond tip of spinal cord

Question 16

What is the significance of the cervical enlargement of the spinal cord?

Answer 16

supplies nerves to upper extremities

Question 17

A ___ is the simplest nerve pathway from a sensory receptor to an effector

Answer 17

reflex arc

Question 18

Where is the third ventricle located

Answer 18

diancephelon

Question 19

The “buzz” experienced by smokers is due to the binding of nicotine to the category of ____ receptor called nicotinic receptors

Answer 19

cholinergic

Question 20

What part of the brain coordinates voluntary muscular movements

Answer 20

cerebellum

Question 21

The ____ is suspended from the hypothalamus via an infundibulum

Answer 21

pituitary gland

Question 22

The embryonic forebrain will give rise to what part of the mature brain

Answer 22

cerebrum and diancephelon

Question 23

The surface of the cerebrum is marked by grooves called ____ that separate ridges called ____

Answer 23

sulcus; gyri

Question 24

Where is the primary motor area of the brain located?

Answer 24

pre central gyro of frontal lobe

Question 25

Following a brain injury, a soldier is now unable to speak. What area of the brain was most likely damaged?

Answer 25

Broca's area

Question 26

What is a function of the association areas of the frontal lobes

Answer 26

higher intellectual processes

Question 27

The ____ includes the thalamus and hypothalamus

Answer 27

diencephalon

Question 28

What is one of the many functions of the hypothalamus?

Answer 28

Maintain homeostasis (regulate body temp)

Question 29

What functional area is located in the post central gyrus?

Answer 29

primary somatosensory cortex

Question 30

What is a cerebrovascular accident?

Answer 30

stroke: death of nervous tissue tue to blocked blood flow

Question 31

For most people, the dominant cerebral hemisphere is their ____ hemisphere.

Answer 31

left

Question 32

What type of sleep is dreamless and associated with decreased blood pressure and respiratory rate

Answer 32

non rapid eye movement (non REM)

Question 33

What is the effect of sensory nerve fibers crossing over

Answer 33

Controls opposite side of hemisphere. L controls R and R controls L

Question 34

What might results from injury to the reticular formation

Answer 34

coma

Question 35

What part of the brain assigns value to a memory

Answer 35

amygdalae

Question 36

The neurotransmitter ____ secreted by the neurons of the basal nuclei. The degeneration of these neurons results in ____ disease.

Answer 36

dopamine; Parkinson's

Question 37

Nerve fibers of the somatic nervous system serve the ___ and nerve fibers of the autonomic nervous system serve the ___.

Answer 37

CNS; PNS viseral

Question 38

During a meal, the ____ nervous system stimulates digestive activity and slows heart rate. During the exercise, the ____ nervous system inhibits digestion and increases heart rate.

Answer 38

parasympathetic; sympathetic

Question 39

On her way home from class, the driver in front of Caroline suddenly hits his brakes, startling her. She is able to brake in time to avoid an accident, but she finds that her heart is racing and her palms are sweaty. What type of response did she experience?

Answer 39

sympathetic nervous system

Question 40

The paravertebral ganglia are a part of the ____ nervous system

Answer 40

sympathetic

Question 41

What is contained in the dorsal root ganglia

Answer 41

cell body of sensory neurons

Question 42

The ___ of the brain controls emotional responses and emotional expression In response to stimuli.

Answer 42

limbic system

Question 43

From superficial to deep the meninges are...

Answer 43

dura mater, arachnoid mater, pia mater

Question 44

What is dermatome

Answer 44

skin supplied by single spinal nerve

Question 45

Which cranial nerves are primarily motor nerves innervating the muscles that move the eyes?

Answer 45

Sbducens nerve #6, oculomotor nerve #3, trochlear nerve #4

Question 46

Which cranial nerves are comprised of only sensory fibers

Answer 46

Olfactory #1, optic #2, vestibulcocklear