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Bio 160 Exam 3 > Chapter 15 > Flashcards

Chapter 15 Flashcards

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1
Q

Which of these physiological changes would not be
considered part of the sympathetic fight-or-flight response?
a. increased heart rate
b. increased sweating
c. dilated pupils
d. increased stomach motility

A

d. increased stomach motility

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2
Q

Which type of fiber could be considered the longest?

a. preganglionic parasympathetic
b. preganglionic sympathetic
c. postganglionic parasympathetic
d. postganglionic sympathetic

A

a. preganglionic parasympathetic

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3
Q

Which signaling molecule is most likely responsible for an increase in digestive activity?

a. epinephrine
b. norepinephrine
c. acetylcholine
d. adrenaline

A

c. acetylcholine

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4
Q

Which of these cranial nerves contains preganglionic parasympathetic fibers?

a. optic, CN II
b. facial, CN VII
c. trigeminal, CN V
d. hypoglossal, CN XII

A

b. facial, CN VII

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5
Q

Which of the following is not a target of a sympathetic preganglionic fiber?

a. intermural ganglion
b. collateral ganglion
c. adrenal gland
d. chain ganglion

A

a. intermural ganglion

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6
Q

Which of the following represents a sensory input that is not part of both the somatic and autonomic systems?

a. vision
b. taste
c. baroreception
d. proprioception

A

c. baroreception

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7
Q

What is the term for a reflex that does not include a CNS component?

a. long reflex
b. visceral reflex
c. somatic reflex
d. short reflex

A

d. short reflex

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8
Q

What neurotransmitter will result in constriction of the pupil?

a. norepinephrine
b. acetylcholine
c. epinephrine
d. serotonin

A

b. acetylcholine

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9
Q

What gland produces a secretion that causes fight-or- flight responses in effectors?

a. adrenal medulla
b. salivatory gland
c. reproductive gland
d. thymus

A

a. adrenal medulla

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10
Q

Which of the following is an incorrect pairing?

a. norepinephrine dilates the pupil
b. epinephrine increases blood pressure
c. acetylcholine decreases digestion
d. norepinephrine increases heart rate

A

c. acetylcholine decreases digestion

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11
Q

Which of these locations in the forebrain is the master control center for homeostasis through the autonomic and endocrine systems?

a. hypothalamus
b. thalamus
c. amygdala
d. cerebral cortex

A

a. hypothalamus

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12
Q

Which nerve projects to the hypothalamus to indicate the level of light stimuli in the retina?

a. glossopharyngeal
b. oculomotor
c. optic
d. vagus

A

c. optic

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13
Q

What region of the limbic lobe is responsible for generating stress responses via the hypothalamus?

a. hippocampus
b. amygdala
c. mammillary bodies
d. prefrontal cortex

A

b. amygdala

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14
Q

What is another name for the preganglionic sympathetic fibers that project to the heart?

a. solitary tract
b. vasomotor nerve
c. vagus nerve
d. cardiac accelerator nerve

A

d. cardiac accelerator nerve

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15
Q

What central fiber tract connects forebrain and brain stem structures with the hypothalamus?

a. cardiac accelerator nerve
b. medial forebrain bundle
c. dorsal longitudinal fasciculus
d. corticospinal tract

A

b. medial forebrain bundle

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16
Q

A drug that affects both divisions of the autonomic system is going to bind to, or block, which type of neurotransmitter receptor?

a. nicotinic
b. muscarinic
c. α-adrenergic
d. β-adrenergic

A

a. nicotinic

17
Q

A drug is called an agonist if it ________.

a. blocks a receptor
b. interferes with neurotransmitter reuptake
c. acts like the endogenous neurotransmitter by
binding to its receptor
d. blocks the voltage-gated calcium ion channel

A

c. acts like the endogenous neurotransmitter by

binding to its receptor

18
Q

Which type of drug would be an antidote to atropine poisoning?

a. nicotinic agonist
b. anticholinergic
c. muscarinic agonist
d. α-blocker

A

c. muscarinic agonist

19
Q

Which kind of drug would have anti-anxiety effects?

a. nicotinic agonist
b. anticholinergic
c. muscarinic agonist
d. α-blocker

A

d. α-blocker

20
Q

Which type of drug could be used to treat asthma by opening airways wider?

a. sympatholytic drug
b. sympathomimetic drug
c. anticholinergic drug
d. parasympathomimetic drug

A

d. parasympathomimetic drug

Bio 160 Exam 3 (4 decks)

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