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

Question 1

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

Answer 1

A. Presence of Ca

Question 2

Which one is not calcium something:

Answer 2

CFTR (Chloride)

Question 3

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

Answer 3

A. Concentration of ions across the membrane

Question 4

Hypokalemia paralysis (insulin):

Answer 4

A. The insulin bring glucose and potassium inside the cell

Question 5

Mannitol:

Answer 5

becomes hyperosmolal EC solution

Question 6

Which is not true sa F1:

Answer 6

F1 is embedded

Question 7

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

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

Answer 7

C. Synthesizes ATP

Question 8

CFTR:

Answer 8

MSD1 and MSD2

Question 9

Ouabain & digoxin:

Answer 9

high affinity for E2-P state

Question 10

Dehydrated athlete:

Answer 10

Isotonic crystalloid solution

Question 11

Blocked by local anesthetic

Answer 11

Voltage gated Na chuchu

Question 12

Difference in electrical potential between cytoplasm and extracellular fluid:

Answer 12

membrane potential

Question 13

MAY SOLVING

Answer 13

7 ang answer

Question 14

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

Answer 14

C. Both

Question 15

Yung 100 mOsm:

Answer 15

Yung may 200 mOsm

Question 16

Questions about depolarization, hyper and repo:

Answer 16

Isotonic

Question 17

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

Answer 17

Kindly pm lloyd for answer.

Question 18

Tong ohm’s law something:

Answer 18

High capacitance

Question 19

Ohms law

Answer 19

high permeability

low resistance pathway

Question 20

Anion gap - 17

Answer 20

7 anion

Question 21

Depolarization

Answer 21

Na in

Question 22

Repolarization

Answer 22

Na channel close

Question 23

Hyperpolarization

Answer 23

K continues to move out.

Question 24

E2 P state:

Answer 24

Cardiac gylcoside

Question 25

Compute driving force. Cl +116 Vm -60 E -47

Answer 25

Answer = -13

Question 26

Sequencing of Stages

Answer 26

4 3 7 6 1 8 2 5 *Basta magstart siya ug ATP-bound E1 / ATP state Cycling of Na-K

Question 27

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

Answer 27

D. All the choices are correct

Question 28

ENAC channels

Answer 28

Sodium, tight

Question 29

Binding of cardiac glycoside, high affinity to what?

Answer 29

Empty E2-P states

Question 30

Greater to lesser concentration

Answer 30

R to C

Question 31

Anesthetics

Answer 31

Na+ channels

Question 32

Connexin

Answer 32

Absence of Ca2+

Question 33

Concentration, permeability and membrane potential

Answer 33

ALL

Question 34

Myelination

Answer 34

Except enhance capacitance

Question 35

High conductance

Answer 35

High permeability | Low resistance