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Physiology 1A exam 4

Authored by Crystal Russo

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NGSS covered

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Physiology 1A exam 4
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60 questions

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1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Which of these is true about action potentials?

The more depolarization, the bigger the action potential

EPSPs can summate to produce action potentials

Conduction velocity decreases with myelin

The refractory period increases the firing rate of an action potential

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Which of these papillae categories does not contain taste buds?

Vallate

Filiform

Fungiform

Foliate

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

THe frequency of a perceived sound depends on what?

Number of hair cells stimulated

Movement of perilymph in the cochlear duct

Which part of the cochlear duct is stimulated

The frequency of vibration of the tectorial membrane

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Which of these is true of astrocytes?

Myelinate PNS axons

Are involved in brain immune function

Myelinate CNS axons

Provide physical support to neurons

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

The auditory ossicles connect what?

Vestibular window to the cochlear window

Stapedius to the tympanic membrane

Tympanic membrane to the cochlear window

Tympanic membrane to the vestibular window

6.

FILL IN THE BLANK QUESTION

45 sec • 1 pt

Where do the olfactory nerves terminate ?

7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Which of these would you expect to find outside of a cell at resting membrane potential?

K+

Na+

Cl-

Ca2+

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