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Flashcards in ch 14 quiz Deck (36):
1

How would decreased diffusion across the arachnoid granulations affect the volume of cerebrospinal fluid in the ventricles?

a. Volume would increase.
b. Volume would decrease.
c. Volume would remain the same.
d. Volume would fluctuate erratically

a. Volume would increase

2

Damage to the lateral geniculate nuclei of the thalamus would interfere with the functions of which of the following senses?

a. taste
b. sight
c. touch
d. smell

b. sight

3

Why can damage to the medulla oblongata cause death?

a. It contains cardiac, vasomotor, and respiratory centers.
b. It controls the ANS.
c. It contains tracts that process information to and from the cerebellum.
d. It contains the headquarters for the reticular activating system

a. It contains cardiac, vasomotor, and respiratory centers.

4

After suffering a stroke, a patient is unable to speak, but can understand what is said to him and can understand written messages. Which part of his brain has been affected by the stroke?

a. Wernicke’s area in the parietal lobe
b. general interpretive area of the temporal lobe
c. primary visual cortex in the occipital lobe
d. Broca’s area in the frontal lobe

d. Broca’s area in the frontal lobe

5

What symptoms would you expect to observe in an individual who has damage to the basal nuclei?

a. mental slowness and inability to perceive meaning from written symbols
b. conscious perception of touch and erratic muscle contractions
c. epileptic seizures
d. difficulty starting voluntary movements and decreased muscle tone

d. difficulty starting voluntary movements and decreased muscle tone

6

Damage to the amygdaloid body would interfere with regulation of what division of the autonomic nervous system?

a. peripheral
b. somatic
c. sympathetic
d. parasympathetic

c. sympathetic

7

What are potential consequences of blockage of an interventricular foramen?

a. hugely expanded skulls in infants
b. brain stem stroke
c. damage to and distortion of brain in adults
d. both A and C

d. both A and C

8

Conscious perception of which senses would be affected by damage to the temporal lobes of the cerebrum?

a. olfactory and gustatory
b. olfactory and auditory
c. visual and auditory
d. auditory and gustatory

b. olfactory and auditory

9

The superior colliculus is a ______ reflex center while the inferior colliculus is a (an) ______ reflex center.

a. visual; tactile
b. auditory; visual
c. olfactory; visual
d. visual; auditory

d. visual; auditory

10

A patient suffers a head injury that damages her primary motor cortex. Where is the primary motor cortex? What functions will be lost due to the injury?

a. parieto-occipital sulcus; control over involuntary movements
b. postcentral gyrus; voluntary movements controlled by the specific regions damaged
c. precentral gyrus; voluntary movements controlled by the specific regions damaged
d. insula; ability to categorize items

c. precentral gyrus; voluntary movements controlled by the specific regions damaged

11

What brain regions make up the brain stem?

a. hypothalamus, thalamus, and pons
b. diencephalon and mesencephalon
c. mesencephalon, pons, and medulla oblongata
d. pons, cerebellum, and medulla oblongata

c. mesencephalon, pons, and medulla oblongata

12

Reflex movements of the upper limbs are controlled by what nuclei of the mesencephalon?

a. substantia nigra
b. red nucleus
c. inferior colliculi
d. superior colliculi

b. red nucleus

13

Which cranial nerve nuclei are located in the medulla oblongata?

a. VII, IX, and X
b. III, IV, and VI
c. V, VI, VII, and VIII
d. IX, X, XI, and XII

d. IX, X, XI, and XII

14

Which of the cerebellar peduncles allows communication between the cerebellum and pons?

a. transverse cerebellar peduncles
b. middle cerebellar peduncles
c. inferior cerebellar peduncles
d. superior cerebellar peduncles

b. middle cerebellar peduncles

15

Which nuclei in the medulla oblongata are responsible for relaying somatic sensory information to the thalamus?

a. nuclei of superior and inferior colliculi
b. nuclei of cranial nerves VIII–XII
c. the nucleus gracilis and the nucleus cuneatus
d. the solitary nucleus and olivary nucleus

c. the nucleus gracilis and the nucleus cuneatus

16

Many water-soluble molecules that are relatively abundant in the blood occur in small amounts or not at all in the extracellular fluid in the brain. Why?

a. Blood pressure increases in brain capillaries.
b. Blood–brain barrier restricts ion movement.
c. Neurons take up most ions.
d. Neuroglia remove ions from CSF.

b. Blood–brain barrier restricts ion movement.

17

What is the primary function of the cerebellum?

a. controls reflexive movements of the eyes in response to visual stimuli
b. provides awareness of emotional states
c. coordination between voluntary and autonomic functions
d. coordinates rapid, automatic adjustments that maintain balance and equilibrium

d. coordinates rapid, automatic adjustments that maintain balance and equilibrium

18

Which of these is NOT usually a characteristic function associated with the left cerebral hemispheres?

a. performing mathematical calculations
b. analyzing emotional context of a conversation
c. containing the general interpretive and speech centers
d. processing areas associated with reading, writing, and speaking

b. analyzing emotional context of a conversation

19

Which of the following is NOT a function of the limbic system?

a. establishing emotional states
b. linking the conscious, intellectual function of the cerebral cortex with unconscious autonomic functions of the brain stem
c. facilitating memory storage and retrieval
d. directing somatic motor patterns associated with rage, pleasure, and pain

d. directing somatic motor patterns associated with rage, pleasure, and pain

20

A patient who is hooked up to an EEG shows primarily beta waves. What are they doing?

a. They are in deep sleep or have a brain disorder.
b. They are in the early stages of sleep.
c. They are concentrating on a specific task.
d. They are extremely frustrated.

c. They are concentrating on a specific task.

21

Which primary brain vesicle is destined to form the cerebellum, pons, and medulla oblongata?

a. prosencephalon
b. rhombencephalon
c. myelencephalon
d. metencephalon

b. rhombencephalon

22

Which of the following statements is NOT true with regard to the cranial dura mater and the spinal dura mater?

a. In the brain it is formed of two layers.
b. In the brain some portions extend into the cranial cavity as the dural folds.
c. In the spinal column it contains the dural sinuses.
d. In the brain there is no epidural space.

c. In the spinal column it contains the dural sinuses.

23

The substantia nigra is a nucleus that secretes the neurotransmitter _______.

a. acetylcholine
b. norepinephrine
c. dopamine
d. GABA

c. dopamine

24

Which structure associated with the diencephalon is responsible for the secretion of melatonin that regulates day and night cycles?

a. thalamus
b. pituitary gland
c. hypothalamus
d. epithalamus

d. epithalamus

25

Which area(s) of the diencephalon would be involved in the secretion of oxytocin?

a. tuberal area of the hypothalamus
b. anterior nuclei of the thalamus
c. paraventricular nucleus of the hypothalamus
d. intermediate mass of the thalamus

c. paraventricular nucleus of the hypothalamus

26

What name is given to axons/tracts carrying information between the cerebral hemispheres of the brain?

a. projection fibers
b. commissural fibers
c. association fibers
d. arcuate fibers

b. commissural fibers

27

What is the order of the cranial meninges from internal to external?
A. dura, pia, arachnoid
B. pia, dura, arachnoid
C. dura, arachnoid, pia
D. arachnoid, dura, pia
E. pia, arachnoid, dura

E. pia, arachnoid, dura

28

Which is not a function of the cerebrospinal fluid?
A. cushioning delicate structures
B. supporting the brain
C. transporting nutrients
D. transporting waste products
E. all of the above functions

E. all of the above functions

29

The pons holds sites for which of the following?
A. cranial nerves 5,6,7,8
B. adjustments to the respiratory centers of the medulla
C. relay centers for the cerebellum
D. none of the above
E. all of the above

E. all of the above

30

The medulla oblongata controls which of the following?
A. cardiac and respiratory
B. cardiac and urinary
C. respiratory and urinary
D. hunger
E. emotional distress

A. cardiac and respiratory

31

The hypothalamus does not control which of the following?
A. feeding reflexes
B. controls the pituitary gland
C. secretes antidiuretic hormone
D. secretes oxcytocin
E. it controls all of the above

E. it controls all of the above

32

If a person has a cerebral stroke on the left side, which muscular side of the body will be affected?
A. right side
B. ipsilateral side
C. left side
D. dorsal side
E. none of the above would be affected

A. right side

33

Which lobe of the cerebrum holds the pre-motor cortex for formation of muscular movements?
A. parietal lobe
B. frontal lobe
C. occipital lobe
D. temporal lobe
E. ethmoidal lobe

B. frontal lobe

34

Most afferent information from the thalamus gets distributed to which of the following areas?
A. precentral gyrus
B. postcentral gyrus
C. occipital
D. temporal
E. all of the above

B. postcentral gyrus

35

Which cranial nerve is primarily a sensory only nerve?
A. 7
B. 12
C. 8
D. 10
E. 3

C. 8

36

What is the name of the cranial nerve that controls almost all the thoracic and abdominal organs?
A. optic
B. vagus
C. facial
D. trigeminal
E. hypoglossal

B. vagus