Biopsychology Chapter Quiz Answers (Exam 1)

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38 Terms

1

Behavioral Neuroscience is the…

The branch of Psychology that studies the relationships between behavior and the body, particularly the brain

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2

The _____ is the biological unit that directs cellular processes and transmits inherited characteristics

Gene

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3

What cell type is found in abundance in the brain?

Answer Choices:

  • Neuron

  • White Blood Cell

  • Red Blood Cell

  • Muscle Cells

Neuron

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4

Based on the textbook, what are the three types of neurons found throughout our nervous systems?

Answer Choices:

  • Sensory, Motor, Dendrite

  • Motor, Sensory, Interneurons

  • Motor, Axonal, Fibrous

  • Soma, Dendrites, Terminal

Motor, Sensory, Interneurons

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5

What is the average resting membrane potential a neuron has?

-70mV

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6

What type of cells are responsible in providing support to a neuron?

Answer Choices:

  • Oligodendrocytes

  • Glial Cells

  • Astrocytes

  • Myelin Cells

Glial Cells

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7

Neurons communicate ONLY through electrical means?

Answer Choices:

  • True

  • False

False

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8

The inside of a neuron is relatively poor in _____ ions and rich in _____ ions

Answer Choices:

  • Potassium; Sodium

  • Chloride; Phosphate

  • Calcium; Sodium

  • Sodium; Potassium

Sodium; Potassium

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9

The rate law:

Explains how the intensity of stimuli is represented

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10

All of the following neurotransmitters are deactivated by reuptake except:
Answer Choices:

  • Serotonin

  • Acetylcholine

  • Norepinephrine

  • Dopamine

Acetylcholine

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11

Information Flow

Afferent → Brain → Efferent

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12

Afferent:

Sensory

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13

Efferent:

Motor function

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14

Cranial Nerves are found in what section of the nervous system?

Answer Choices:

  • Peripheral Nervous System

  • Central Nervous System

  • Spinal Cord System

  • Axonal Nervous System

Peripheral Nervous System

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15

The embryonic name(s) for the region known as the Hindbrain:

Answer Choices:

  • Mesencephalon

  • Diencephalon

  • Metencephalon

  • Telencephalon

  • Myelencephalon

  • Metencephalon

  • Myelencephalon

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16

What are the “cavities” that are filled with cerebral spinal fluid and develop throughout the brain called?

Answer Choices:

  • Sulcus

  • Gyrus

  • Chasm

  • Ventricles

Ventricles

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17
<p><strong>Using anatomical orientation terms, brain region “B” is ______ to brain region “A".</strong></p><p><span style="color: red">Answer Choices:</span></p><ul><li><p><span style="color: red">Superior</span></p></li><li><p><span style="color: red">Dorsal</span></p></li><li><p><span style="color: red">Posterior</span></p></li><li><p><span style="color: red">Lateral</span></p></li></ul><p></p>

Using anatomical orientation terms, brain region “B” is ______ to brain region “A".

Answer Choices:

  • Superior

  • Dorsal

  • Posterior

  • Lateral

Dorsal

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18

The embryonic name(s) for the region known as the Midbrain:

Answer Choices:

  • Mesencephalon

  • Diencephalon

  • Metencephalon

  • Telencephalon

  • Myelencephalon

Mesencephalon

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19
<p><strong>Using anatomical orientation terms, brain region “C” is ______ to brain region “A".</strong></p><p><span style="color: red">Answer Choices:</span></p><ul><li><p><span style="color: red">Medial</span></p></li><li><p><span style="color: red">Ventral</span></p></li><li><p><span style="color: red">Anterior</span></p></li><li><p><span style="color: red">Lateral</span></p></li></ul><p></p>

Using anatomical orientation terms, brain region “C” is ______ to brain region “A".

Answer Choices:

  • Medial

  • Ventral

  • Anterior

  • Lateral

Lateral

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20

The embryonic name(s) for the region known as the Forebrain:

Answer Choices:

  • Mesencephalon

  • Diencephalon

  • Metencephalon

  • Telencephalon

  • Myelencephalon

  • Diencephalon

  • Telencephalon

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21

Cardiovascular activity and respiration are controlled by the:

Answer Choices:

  • Thalamus

  • Medulla

  • Reticular Formation

  • Pons

Medulla

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22

Experience-induced change is an example of Nature V Nurture. The brain is plastic in the sense that it ________ its connections to alter functions of a specific brain region based on the environment you are in.

Answer Choices

  • Blocks

  • Adapts

  • Activates

  • Cuts

Adapts

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23

During a difficult exam, your heart races, your mouth is dry, and your hands are icy. In your room later, you fall limply into a deep sleep. Activation has shifted from primarily _______ to primarily ________.

Answer Choices:

  • Sympathetic; Parasympathetic

  • Parasympathetic; Sympathetic

  • Somatic; Autonomic

  • Autonomic; Somatic

Autonomic; Somatic

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24

A structure in the medulla that is involved in taste as well as in hunger and eating is the:

Answer Choices:

  • Nucleus of the solitary tract

  • Paraventricular nucleus

  • Area potrema

  • Subfornical organ

Nucleus of the solitary tract

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25

What is the name of the hormone that increases appetite and induces eating?

Answer Choices:

  • BMI

  • Leptin

  • BCAAs

  • Orexin

Orexin

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26

What is the name of the hormone that fat cells secrete that inhibits eating behaviors?

Answer Choices:

  • Leptin

  • C4 Pre Workout

  • Orexin

  • Creatine

Leptin

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27

THC, the active component of marijuana is known to induce appetite by stimulating the _____________ thus increasing __________ levels in PYY

Answer Choices:

  • Medulla; Leptin

  • Medulla; Orexin

  • Thalamus; Leptin

  • Hypothalamus; Ghrelin

Hypothalamus; Ghrelin

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28

Epigenetic effects on offspring weight have resulted from the mother’s

Answer Choices:

  • Drug use

  • Activity level

  • Smoking

  • Diet

Diet

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29

Anorexia/Bulimia are influenced by the environment a subject is in?

Answer Choices:

  • True

  • False

True

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30

Neurons in the arcuate nucleus release NPY, which…

Answer Choices:

  • Increases drinking

  • Increases eating

  • Breaks down fat

  • Causes shivering

Increasing Eating

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31

What neurotransmitter is heavily implied to be involved in regulation of feeding behaviors?

Answer Choices:

  • Dopamine

  • GABA

  • Serotonin

  • Acetylcholine

Serotonin

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32

If you were to lesion a rats ventromedial hypothalamus we would expect the rat to…

Answer Choices:

  • Maintain its weight

  • Gain weight

  • Lose Weight

  • Gain Muscle

Gain Weight

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33

A long term signal that influences eating is:

Answer Choices:

  • Leptin

  • Glucose

  • 2-deoxyglucose

  • Cholecytoskinin

2-deoxyglucose

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34

In the Action Potential Voltage Gated ______ Channels open during the Rising Phase; While Volatge Gated ______ Channels open during the Repolarization Phase

Answer Choices:

  • Potassium; Chlorine

  • Potassium; Sodium

  • Sodium; Potassium

  • Chlorine; Sodium

  • Calcium; Potassium

Sodium; Potassium

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35

What is the resting membrane potential, threshold potential, and peak potential of the neuron throughout the action potential?

Answer Choices:

  • -65mV, -50mV, +70mV

  • +70mV, +65mV, -50mV

  • -70mV, -65mV, +50mV

  • -60mV, -70mV, +36mV

resting membrane potential: -70mv

threshold potential: -65mV

peak potential of the neuron: +50mV

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36

What major protein is involved in restoring he neuron to its resting membrane potential in the repolarization phase?

Answer Choices:

  • Leak Channels

  • Ionotropic Receptors

  • Voltage Gated Sodium Channels

  • Sodium Potassium Pump

  • Potassium Neurotransmitter Channels

Sodium Potassium Pump

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