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MID - Anatomy > Autonomic Nervous System > Flashcards

Autonomic Nervous System Flashcards

1
Q

What is the desired response to manage asthma with bronchospasm?

  • Sympathetic
  • Parasympathetic
A

Sympathetic

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2
Q

An asthmatic attack with bronchospasm is due to which effect?

  • Sympathetic
  • Parasympathetic
A

Parasympathetic

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3
Q

What is the response of the heart during exercise?

  • Sympathetic
  • Parasympathetic
A

Sympathetic

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4
Q

What is the response of the pupil when light is flashed on the eye?

  • Sympathetic
  • Parasympathetic
A

Parasympathetic

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5
Q

What is the response of vagus nerve stimulation to the heart?

  • Sympathetic
  • Parasympathetic
A

Parasympathetic

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6
Q

What is the response to stress or emergency situations requiring immediate action?

  • Sympathetic
  • Parasympathetic
A

Sympathetic

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7
Q

Erection is a ______ response.

  • Sympathetic
  • Parasympathetic
A

Parasympathetic

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8
Q

What is the response on the pupil in a dark room?

  • Sympathetic
  • Parasympathetic
A

Sympathetic

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9
Q

The response of B2 receptors on smooth muscles of blood vessels cause:

  • Vasodilation
  • Vasoconstriction
A

Vasodilation

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10
Q

Voiding and defecation are possible through ______ action.

  • Sympathetic
  • Parasympathetic
A

Parasympathetic

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11
Q

What is the effect of sympathetic stimulation in the iris of the eye?

  • Pupillary constriction
  • Pupillary dilation
  • No effect
  • Pupillary constriction then dilation
A

Pupillary dilation

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12
Q

Which division of ANS has a fight and flight response?

  • Sympathetic
  • Parasympathetic
  • Enteric
  • None of these
A

Sympathetic

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13
Q

Activation of which adrenergic receptors cause relaxation or decreased activity of effector cells?

  • Beta receptors
  • Alpha receptors
A

Beta receptors

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14
Q

Which does not belong to the group?

  • Increased sweating
  • Pupillary dilation
  • Increased heart rate
  • None of the above
A

None of the above

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15
Q

Parasympathetic fibers are carried by:

  • Thoracolumbar spinal cord
  • Cranial nerves III, IV, VI
  • Sacral cord only
  • Brain stem only
  • None of the above
A

None of the above

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16
Q

Muscarinic and nicotinic refer to receptors of the parasympathetic nervous system.

  • True
  • False
A

True

17
Q

Increased sympathetic discharge increases heart rate.

  • True
  • False
A

True

18
Q

In an asthmatic attack, smooth muscles in bronchioles undergo spasm which is a parasympathetic response.

  • True
  • False
A

True

19
Q

During exercise, sympathetic responses include vasodilation of coronary arteries in the heart.

  • True
  • False
A

True

20
Q

Cranial nerves III, VII, IX, and X carry parasympathetic functions.

  • True
  • False
A

True

21
Q

The sympathetic response of blood vessels and skeletal muscles during exercise is vasoconstriction.

  • True
  • False
A

False

22
Q

Parasympathetic functions promote digestion and absorption of food.

  • True
  • False
A

True

23
Q

In parasympathetic discharge, piloerector muscles contract causing hairs on the skin to stand.

  • True
  • False
A

False

24
Q

The pupillary constriction as a response to light is a sympathetic function of the oculomotor nerve.

  • True
  • False
A

False

25
Q

The vagus nerve has the most extensive distribution of sympathetic fibers to several organs.

  • True
  • False
A

False

26
Q

Which of the following is TRUE in both the autonomic and the somatic division?

  • Both have a stimulatory effect
  • Both of their effectors synapse with ganglionic neurons
  • Both release epinephrine to stimulate response to end organs
  • None of the above
A

Both have a stimulatory effect

27
Q

Which of the following pairs of autonomics and neurotransmitters is TRUE?

  • Preganglionic sympathetic fiber - norepinephrine
  • Postganglionic sympathetic fiber - norepinephrine
  • Preganglionic parasympathetic fiber - norepinephrine
  • Postganglionic parasympathetic fiber - norepinephrine
A

Postganglionic sympathetic fiber - norepinephrine

28
Q

Which of the following activities is a result of increased cholinergic discharge?

  • Contraction of pyloric sphincter
  • Penile erection
  • Uterine contraction (non-pregnant females)
  • Lypolysis
A

Penile erection

29
Q

Which of the following responses DOES NOT occur in increased adrenergic activity?

  • Glycogenesis
  • Glycogenolysis
  • Increased rate of blood coagulation
  • Copious sweating
A

Glycogenesis

30
Q

TRUE of neurotransmitters:

  • Acetylcholine’s effect to end organs are long duration.
  • Norepinephrine, epinephrine and acetylcholine are found circulating in the blood.
  • Epinephrine comes from adrenal medulla.
  • Monoamine oxidase helps synthesize epinephrine.
A

Epinephrine comes from adrenal medulla.

31
Q

The pupillary constriction as a response to light is a parasympathetic function of the oculomotor nerve.

  • True
  • False
A

True

MID - Anatomy (5 decks)

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