Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Biomed > Block 3_Chapter 13+14 > Flashcards

Block 3_Chapter 13+14 Flashcards

1
Q

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

A

Pia mater

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Cerebrospinal fluid enters the blood circulation at the

A

superior sagittal sinus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Ependymal cells work to

A

a. surround the capillaries of the choroid plexus.
b. secrete CSF into the ventricles.
c. remove waste products from CSF.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

If the corpus callosum is surgically cut,

A

a. the two cerebral hemispheres operate independently.
b. symptoms of the “disconnection syndrome” appear.
c. objects touched by the left hand can be recognized but not verbally identified.
d. conscious decisions are made without regard to sensations from the left side.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

A ________ is a printed record of the brain’s electrical activity over a period of time.

A

electroencephalogram

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

The ventral root of a spinal nerve contains

A

axons of motor neurons

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

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

A

pia mater

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Which of the following help to protect the brain?

A

a. the blood-brain barrier
b. the bones of the skull
c. the cranial meninges
d. the CSF

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

In meningitis,

A

b. CSF flow can be disrupted.
c. inflammation of the meninges occurs.
d. bacteria can be the cause.
e. viruses can be the cause.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

The brain requires a substantial blood supply. The vessels that deliver blood to the brain are the

A

internal carotid arteries and vertebral arteries only

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Which of the following is a function of cerebrospinal fluid?

A

a. provides buoyant support for the brain
b. acts as a transport medium for waste products
c. acts as a transport medium for nutrients
d. provides cushioning for delicate neural tissues

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

The basal nuclei

A

provide the general pattern and rhythm for movements such as walking.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

The two cerebral hemispheres are separated by the

A

longitudinal fissure.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Which of the following is a function of the thalamus?

A

process sensory information and relay it to the cerebrum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Absorption at the arachnoid granulations returns CSF to the

A

venous circulation.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Which of the following is a function of the hypothalamus?

A

a. produces ADH
b. controls autonomic centers
c. regulates body temperature
d. secretes oxytocin

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Samples of CSF for diagnostic purposes are normally obtained by placing the tip of a needle in the

A

subarachnoid space.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Recognized neuronal circuit patterns include all of the following

A

a. convergent.
c. parallel processing.
d. reverberating.
e. divergent.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Which of the following is a property of the limbic system?

A

a. contains cerebral and diencephalic components
b. functions in emotions, learning, and memory
c. located between the border of the cerebrum and diencephalon
e. links conscious functions of the cerebral cortex with unconscious functions of the brain stem

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

Cortical regions that interpret sensory information or coordinate motor responses are called ________ areas.

A

association areas

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

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

A

prefrontal cerebral cortex.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

Damage to the substantia nigra causes a decrease in the neurotransmitter dopamine. This causes a gradual, generalized increase in muscle tone, which is the main symptom of

A

Parkinson’s disease

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

As CSF circulates, ________ between it and the interstitial fluid of the CNS is unrestricted between and across the ependyma.

A

diffusion

24
Q

Damage to the pyramidal cells of the cerebral cortex would directly affect

A

voluntary motor activity

25
Q

The ________ filters and relays sensory information to cerebral cortex.

A

thalamus

26
Q

A tract of white matter that connects the hippocampus with the hypothalamus is the

A

fornix

27
Q

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

A

Integrative

28
Q

Which of the following is true regarding an epidural block?

A

a. It is commonly used as a method of pain control during labor and delivery.
b. It affects only the spinal nerves in the immediate area of the injection.
c. It can be difficult to achieve in the upper cervical and midthoracic region.
d. It provides mainly sensory anesthesia.

29
Q

The dorsal root ganglia mainly contain

A

CELL bodies of sensory neurons.

30
Q

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

A

hypothalamus

31
Q

The respiratory rhythmicity center is located in

A

medulla oblongata

32
Q

The anterior nuclei of the thalamus

A

are part of the limbic system

33
Q

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

A

medulla oblongata

34
Q

What contains a spiderweblike network of cells and fibers through which cerebrospinal fluid flows?

A

subarachnoid space

35
Q

The ________ is important in storage and recall of new long-term memories.

A

hippocampus

36
Q

The specialized membranes that surround the spinal cord are termed the

A

Spinal meninges

37
Q

Sensory information is processed and relayed to the cerebrum by the

A

thalamus

38
Q

The medial nuclei of the thalamus

A

connect emotional centers in the hypothalamus with the frontal lobe.

39
Q

As you ascend from the medulla oblongata to the cerebrum, the functions of each successive level become

A

both more complex and less crucial to visceral functions.

40
Q

Which of the following is a property of the mamillary bodies?

A

a. control reflex eating movements
b. process olfactory information
c. located in posterior hypothalamus
d. shaped like little breasts

41
Q

The epidural space contains

A

connective tissue and blood vessels

42
Q

integrative centers concerned with the performance of complex processes are restricted to either the left or the right hemisphere. These complex processes include

A

a. speech.
b. writing.
c. mathematical computation.
d. understanding spatial relationships.

43
Q

The highest levels of information processing occur in the

A

cerebrum

44
Q

Reflexes based on synapses formed during development are ________ reflexes.

A

innate

45
Q

The stretch reflex

A

both is important in regulating muscle length and is activated when a skeletal muscle lengthens

46
Q

In the spinal cord, white matter is separated into ascending and descending tracts organized as

A

columns

47
Q

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

A

medulla oblongata

48
Q

Cerebrospinal fluid enters the subarachnoid space through the

A

lateral and median apertures.

49
Q

Spinal nerves are

A

both sensory and motor

50
Q

Cerebrospinal fluid

A

is secreted by ependymal cells

51
Q

Which of the following is a property of the blood-brain barrier?

A
  • The capillary endothelial cells are interconnected by tight junctions
  • It is generally permeable to lipid-soluble compounds
  • Astrocytes surround the CNS cappilaries
  • It is absent in portions of the hypothalamus
52
Q

Excitation of neurons in the basal nuclei would lead to

A

increased muscle tone.

53
Q

The tough, fibrous, outermost covering of the spinal cord is the

A

dura mater

54
Q

________ is a disorder affecting the ability to speak or read.

A

aphasia

55
Q

The general interpretive area

A

allows us to interpret what is read or heard.

56
Q

Damage to the preoptic area of the hypothalamus leads to which problem?

A

reduced ability to regulate body temperature

57
Q

Higher-order functions

A

a. can be adjusted over time based on experience.
b. involve complex interactions among areas of the cortex.
c. combine both conscious and unconscious information processing.

Biomed (8 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions