Chapter 5 & 6 - Transport of solutes and water & Electrophysiology of the Cell membrane (2019) Evals #4 by Keim Flashcards

1
Q

Which of the ff causes the closing the gap junction:

A. Presence of Ca
B. Absence of Na
C. Presence of Na
D. Absence of K

A

A. Presence of Ca

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2
Q

Which one is not calcium something:

A

CFTR (Chloride)

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3
Q

Which determines the current flow across the membrane:

A. Concentration of ions across the membrane
B. Membrane potential
C. Permeability of cell membrane to ions
D. All the choices are correct

A

A. Concentration of ions across the membrane

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4
Q

Hypokalemia paralysis (insulin):

A

A. The insulin bring glucose and potassium inside the cell

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5
Q

Mannitol:

A

becomes hyperosmolal EC solution

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6
Q

Which is not true sa F1:

A

F1 is embedded

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7
Q

Which of the ff is not true of v-type:

A. Hydrolyzes ATP
B. Consumes ATP
C. Synthesizes ATP
D. Acidify ATP

A

C. Synthesizes ATP

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8
Q

CFTR:

A

MSD1 and MSD2

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9
Q

Ouabain & digoxin:

A

high affinity for E2-P state

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10
Q

Dehydrated athlete:

A

Isotonic crystalloid solution

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11
Q

Blocked by local anesthetic

A

Voltage gated Na chuchu

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12
Q

Difference in electrical potential between cytoplasm and extracellular fluid:

A

membrane potential

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13
Q

MAY SOLVING

A

7 ang answer

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14
Q
The extracellular linker between S5 and S6 is termed P region. Which of the following is true?
A.) Pore
B.) Receptor for bacterial toxin chuchu
C.) Both
D.) None of the above
A

C. Both

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15
Q

Yung 100 mOsm:

A

Yung may 200 mOsm

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16
Q

Questions about depolarization, hyper and repo:

A

Isotonic

17
Q
CFTR w/c domain spans
A.MSD 1, 2
B. Regulatory Domain
C. NBD 1&2
D. AOTA
A

Kindly pm lloyd for answer.

18
Q

Tong ohm’s law something:

A

High capacitance

19
Q

Ohms law

A

high permeability

low resistance pathway

20
Q

Anion gap - 17

A

7 anion

21
Q

Depolarization

A

Na in

22
Q

Repolarization

A

Na channel close

23
Q

Hyperpolarization

A

K continues to move out.

24
Q

E2 P state:

A

Cardiac gylcoside

25
Q

Compute driving force.

Cl +116
Vm -60
E -47

A

Answer = -13

26
Q

Sequencing of Stages

A

4 3 7 6 1 8 2 5

*Basta magstart siya ug ATP-bound E1 / ATP state Cycling of Na-K

27
Q

Which determines the current flow across the membrane:

A. Concentration of ions across the membrane
B. Membrane potential
C. Permeability of cell membrane to ions
D. All the choices are correct

A

D. All the choices are correct

28
Q

ENAC channels

A

Sodium, tight

29
Q

Binding of cardiac glycoside, high affinity to what?

A

Empty E2-P states

30
Q

Greater to lesser concentration

A

R to C

31
Q

Anesthetics

A

Na+ channels

32
Q

Connexin

A

Absence of Ca2+

33
Q

Concentration, permeability and membrane potential

A

ALL

34
Q

Myelination

A

Except enhance capacitance

35
Q

High conductance

A

High permeability

Low resistance