part 1 Flashcards

1
Q

The idea that the human brain and human mind are separate entities was formalized in the 1600s by

A

Descartes

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2
Q

Aristotle believed that _______was/were the source of nervous control and the seat of the soul

A

Heart

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3
Q

Broca’s patient had damage to

A

Left hemisphere

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4
Q

Humans have 12 pairs of cranial nerves that all serve motor functions

A

False

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5
Q

The definition of a drug is always the same, regardless of context

A

False

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6
Q

A drug must be an exogenous substance

A

True

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7
Q

A psychoactive drug is a drug that

A

Affects thinking, mood, or behavior

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8
Q

Drug tolerance refers to

A

The diminished effect with repeated use

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9
Q

which type of neuron transmits impulses through the PNS towards the CNS?

A

sensory

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10
Q

which is the primary use for receiving early stage visual information

A

Occipital lobe

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11
Q

what part of the brain is responsible for movement

A

frontal lobe

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12
Q

The principal region of the neuron for receiving information is the

A

Dendrite

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13
Q

Why is the resting potential in a neuron typically around -70 mV instead of being equal to the equilibrium potential of K+ (~-90 mV)

A

the resting cell membrane has some permeability to Na+

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14
Q

What would happen to the typical neuronal membrane resting potential if the extracellular concentration of K+ was increased?

A

The resting potential would become more positive

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15
Q

A membrane potential is the difference in electrical charge between

A

The inside and outside of a cell

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16
Q

What part of a neuron is often myelinated?

A

Axon

17
Q

Potassium ions have a _____ charge and are in excess _______ the cell; sodium ions have a _____ charge and are in excess _______ the cell.

A

Positive, inside, positive, outside

18
Q

Which of the following is a passive process that acts to distribute ions evenly in neural tissue?

A

Random motion and electrostatic pressure

19
Q

Na+ ions are continually forced into neurons by

A

their high external concentration and the negative resting potential

20
Q

The brief period of time immediately after the initiation of an action potential when it is absolutely impossible to initiate another one in the same neuron is called the

A

Absolute refractory period

21
Q

Hippocampus function

A

involved in memory formation

22
Q

limbic system function

A

Group of structures involved in the regulation of emotions and the emotional interpretation of environmental stimuli

23
Q

Basal Ganglia

A

group of structures that controls smooth, voluntary movements

24
Q

Cerebellum

A

important for motor planning and learning

25
Q

medulla

A

coordinated basic life support systems including respiratory rhythms

26
Q

Frontal lobe

A

planning and signaling movements

27
Q

parental lobe

A

somatosensory (touch and pain)

28
Q

temporal lobe

A

hearing, language

29
Q

Occipital lobe

A

early stage vision

30
Q

Regarding the rising phase (upstroke) of the action potential, what happens?

A

Na+ flows into the neuron through voltage-gated Na+ channels

31
Q
A