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Physiology > To Study > Flashcards

To Study Flashcards

1
Q

how many nanometers in a meter?

How many micrometers in a meter?

A

10^9

10^6

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2
Q

how thick is a cell membrane?

A

6nm

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3
Q

How big is a cell?

A

10 micrometers

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4
Q

How big is an ion?

A

0.1nm

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5
Q

How big is a glucose molecule?

How big is a protein (consider an antibody)?

A

How big is a glucose molecule? 1nm

10 nm

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6
Q

Approximate membrane potential at equilibrium when Na+ permeability is infinitely greater than K+ permeability:

A

+60mV

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7
Q

Approximate membrane potential at equilibrium when membrane permeability of K+ is 100 times that of Na+.
Membrane potential at equilibrium when membrane permeability of Na+ is 100 times that of K+

A

-88mV

+58m

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8
Q

The voltage jumps for the resting membrane potential of ___mV to ___mV. At this point, the distribution of charges is that Na+ is ___x greater than K+.

A

-80
+30
100

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Physiology (8 decks)

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