Chapter 5 & 6 - Transport of solutes and water & Electrophysiology of the Cell membrane (2019) Evals #4 by Keim Flashcards
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. Presence of Ca
Which one is not calcium something:
CFTR (Chloride)
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. Concentration of ions across the membrane
Hypokalemia paralysis (insulin):
A. The insulin bring glucose and potassium inside the cell
Mannitol:
becomes hyperosmolal EC solution
Which is not true sa F1:
F1 is embedded
Which of the ff is not true of v-type:
A. Hydrolyzes ATP
B. Consumes ATP
C. Synthesizes ATP
D. Acidify ATP
C. Synthesizes ATP
CFTR:
MSD1 and MSD2
Ouabain & digoxin:
high affinity for E2-P state
Dehydrated athlete:
Isotonic crystalloid solution
Blocked by local anesthetic
Voltage gated Na chuchu
Difference in electrical potential between cytoplasm and extracellular fluid:
membrane potential
MAY SOLVING
7 ang answer
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
C. Both
Yung 100 mOsm:
Yung may 200 mOsm
Questions about depolarization, hyper and repo:
Isotonic
CFTR w/c domain spans A.MSD 1, 2 B. Regulatory Domain C. NBD 1&2 D. AOTA
Kindly pm lloyd for answer.
Tong ohm’s law something:
High capacitance
Ohms law
high permeability
low resistance pathway
Anion gap - 17
7 anion
Depolarization
Na in
Repolarization
Na channel close
Hyperpolarization
K continues to move out.
E2 P state:
Cardiac gylcoside
Compute driving force.
Cl +116
Vm -60
E -47
Answer = -13
Sequencing of Stages
4 3 7 6 1 8 2 5
*Basta magstart siya ug ATP-bound E1 / ATP state Cycling of Na-K
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
D. All the choices are correct
ENAC channels
Sodium, tight
Binding of cardiac glycoside, high affinity to what?
Empty E2-P states
Greater to lesser concentration
R to C
Anesthetics
Na+ channels
Connexin
Absence of Ca2+
Concentration, permeability and membrane potential
ALL
Myelination
Except enhance capacitance
High conductance
High permeability
Low resistance