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A & P Quiz 1 > Quiz > Flashcards

Quiz Flashcards

1
Q

Which cells are responsible for photopic (day) vision as well as trichromatic (color) vision?

  • Ganglion cells
  • Bipolar cells
  • Cones
  • Rods
A

Cones

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2
Q

Which of these is most vulnerable to irreversible damage caused by a very loud noise?
- Tympanic membrane
- Cochlear hair cells
- Ossicles
- Fibers of the cochlear nerve

A

Cochlear Hair Cells

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3
Q

The incus articulates with which bone(s)?

  • Stapes
  • Malleus, stapes, and tympanic
  • Malleus
  • Malleus and stapes
A

Malleus and stapes

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4
Q

What is the correct order of cells in the retina from back to front?
- Ganglion - photoreceptor - bipolar
- Photoreceptor - bipolar - ganglion
- Photoreceptor - ganglion - bipolar
- Ganglion - bipolar - photoreceptor

A

Photoreceptor - bipolar - ganglion

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5
Q

Nerve fibers from all regions of the retina converge on the nerve.

  • optic disc
  • fovea centralis
  • Lens
A

Optic Disc

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6
Q

Stimuli produced by sound waves reach the brain following which pathway?

• Cochlear duct - oval window - auditory canal - tympanic membrane - ossicles - spiral organ - fibers of cochlear nerve

• Tympanic membrane - auditory canal - ossicles - oval window - cochlear duct - spiral organ - fibers of cochlear nerve

• Auditory canal - tympanic membrane - oval window - cochlear duct - ossicles - spiral organ - fibers of cochlear nerve

• Auditory canal - tympanic membrane - ossicles - oval window - cochlear duct - spiral organ - fibers of cochlear nerve

A

• Auditory canal - tympanic membrane - ossicles - oval window - cochlear duct - spiral organ - fibers of cochlear nerve
A T O O C S F

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7
Q

Each upward movement of the basilar membrane causes the stereocilia of the inner hair cells to bend.
gates.

  • Ca2+
  • Na+
  • K+
  • CI-
A

K +

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8
Q

Select the two types of cholinergic receptors?

  • Muscarinic
  • Nicotinic
  • Adrenergic
  • Alpha
  • Beta
A
  • Adrenergic
  • Alpha
  • Beta
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9
Q

Presynaptic neurons extend to synapse on the target cell to cause an effect.
- True
- False

A

False

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10
Q

The autonomic nervous system is also called the visceral motor system.
- True
- False

A

True

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11
Q

Some ____ neurons are specialized to detect stimuli, whereas _____ effectors of the nervous system.

  • Afferent; inter-
  • Afferent; efferent
  • Motor: sensory
  • Efferent; afferent
A

Afferent; efferent

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12
Q

A ganglion is a swelling along a nerve containing the cell bodies of peripheral neurons.

  • True
  • False
A

True

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13
Q

The two major neurotransmitters of the autonomic nervous system are:

  • Norepinephrine
  • Acetylcholine
  • Calcium
  • Nicotine
A
  • Norepinephrine
  • Acetylcholine
  • Calcium
  • Nicotine
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14
Q

Sympathetic ganglions are branched and the fibers can follow numerous routes.
- True
- False

A

True

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15
Q

Which is the major visceral motor control center of the autonomic nervous system?

  • Cerebral cortex
  • Pineal Gland
  • Thalamus
  • Hypothalamus
A

Hypothalamus

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16
Q

Nerve fibers that release epinephrine are called:
- nicotinic
- beta
- adrenergic
- alpha
- antagonistic

A

Alpha

17
Q

Sympathetic nerve fibers are not associated with situations involving

  • digestion
  • stress
  • anger
  • exercise
A

digestion

18
Q

Preganglionic fibers of the autonomic efferent pathway are _____ and secrete _____
- myelinated; acetylcholine (ACh) and norepinephrine(NE)
- myelinated; acetylcholine (ACh)
- unmyelinated; acetylcholine (ACh)
- myelinated; norepinephrine (NE)

A

myelinated; acetylcholine (ACh)

19
Q

Which one of the following best describes the order of a visceral reflex?

  • Sensory receptor - interneuron - afferent nerve fiber - efferent nerve fiber - gland
  • Sensory receptor → efferent nerve fiber - interneuron - afferent nerve fiber - gland
  • Sensory receptor - afferent nerve fiber - interneuron - efferent nerve fiber - gland
  • Sensory receptor - efferent nerve fiber - afferent nerve fiber - interneuron - gland
A

Sensory receptor - afferent nerve fiber - interneuron - efferent nerve fiber - gland

20
Q

Which of the following statements is true regarding parasympathetic tone?

  • It does not affect heart rate.
  • It accelerates the resting heart rate above its intrinsic rate.
  • It holds the resting heart rate below its intrinsic rate.
A

It holds the resting heart rate below its intrinsic rate.

21
Q

Which of the following is associated with the “flight-or-fight” reaction?

  • Reduced urinary output
  • Increased gastric motility
  • Pupillary constriction
  • Reduced heart rate
A

Reduced urinary output

22
Q

The binding of _______ to a nicotinic receptor of a muscle fiber will _____ it.

  • acetylcholine; inhibit
  • acetylcholine; excite
  • norepinephrine; excite
A

acetylcholine; excite

23
Q

Structure D

A

Vestibule

24
Q

Structure F

A

tympanic membrane

25
Q

Structure E

A

Sclera

26
Q

Structure C

A

Iris

27
Q

E

A

Optic disc

A & P Quiz 1 (2 decks)

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