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Brain & Behavior > Cells & Structures > Flashcards

Cells & Structures Flashcards

First Quiz

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1
Q

The ventricular system contains

A

cerebrospinal fluid

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2
Q

The human brain contains nearly

A

100 billion neurons

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3
Q

The vast majority of neurons in the brain are classified as

A

interneurons

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4
Q

Which statement about white and gray matter is true?

A

White matter is like insulation

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5
Q

Which of the following about cortical columns is true?

A

They extend through the entire thickness of the cortex

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6
Q

Which imaging technique is used for tract tracing?

A

Horseradish peroxidase (HRP)

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7
Q

In terms of its position on your body, your nose is blank and blank

A

Medial; anterior

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8
Q

In the developing fetus, the telencephalon becomes the

A

cortex

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9
Q

Which type of stain is used to reveal the entire neuron with all its processes?

A

Golgi

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10
Q

Which region of the cortex is crucial for motor control?

A

Precentral gyrus

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11
Q

Which of the following best describes the blood-brain barrier?

A

It is a property of the walls of brain capillaries that prevents large molecules from entering the brain.

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12
Q

The blank is the main source of communication between the left and the right hemispheres.

A

corpus callosum

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13
Q

The somatic nervous system includes the

A

cranial nerves and the spinal nerves

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14
Q

The diencephalon becomes the

A

thalamus and hypothalamus

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15
Q

The plane that divides the body into left and right halves is called the blank plane

A

sagittal

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16
Q

The five main divisions of the human brain are visible about blank days after conception

A

50

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17
Q

The central sulcus divides the blank and blank lobes

A

frontal; parietal

18
Q

Which structure is part of the midbrain?

A

Tegmentum

19
Q

A group of axons traveling together within the brain is called a

A

tract

20
Q

Axon terminals

A

synapse onto other cells

21
Q

Which of the following is not a consequence of parasympathetic activation?

A

Increased heart rate

22
Q

The peripheral nervous system has blank components:

A

two

23
Q

In its common usage, the term stroke refers to

A

brain damage caused by a reduction or blockage of blood flow to the brain

24
Q

A cut in the blank plane would sever all of the tracts that connect the left and right cerebral hemispheres.

A

mid-sagittal

25
Q

The neuron doctrine

A

proposed the existence of synaptic contacts between neurons.

26
Q

How many distinct layers are observed in the human cortex?

A

six

27
Q

Which of the following glial cells interact with blood vessels?

A

Astrocytes

28
Q

The reason that sympathetic and parasympathetic nervous systems have different effects on the organs is because

A

they release different neurotransmitters

29
Q

The electrical impulse that stimulates neurotransmitter release, thereby transmitting information to other neurons, arises in the

A

axon hillock

30
Q

A brain tumor is best imaged by an blank scan

A

MRI

31
Q

The Spanish anatomist Santiago Ramn y Cajal showed that although neurons come

A

Neuron doctrine

32
Q

The brainstem consists of the

A

midbrain, pons, and medulla

33
Q

A nucleus is analogous to a

A

computer

34
Q

The gaps between segments of myelin are known as

A

nodes of Ranvier

35
Q

The blank lobe is the most anterior portion of the cerebral cortex

A

frontal

36
Q

The basal ganglia consists primarily of the caudate nucleus, globus palludis, and

A

putamen

37
Q

What would be the consequence for a patient with damage to the eighth cranial nerve?

A

Impaired balance

38
Q

A researcher interested in determining which brain regions are active when an animal subject performs a particular behavior will most likely make use of which procedure?

A

Immunocytochemistry (ICC)

39
Q

In terms of its position on his body, the top of a dogs head is

A

dorsal

40
Q

Which of the following is in the correct order of size from largest to smallest?

A

An axon terminal; a synaptic cleft; the thickness of the neuronal membrane; the diameter of an ion channel

Brain & Behavior (1 decks)

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