What is a major determinant of the resting membrane potential necessary for transmission of nerve impulses? - Essay Prowess

What is a major determinant of the resting membrane potential necessary for transmission of nerve impulses?

What is a major determinant of the resting membrane potential necessary for transmission of nerve impulses?

Question

Question 1

2 / 2 pts

What is a major determinant of the resting membrane potential necessary for transmission of nerve impulses?

The ratio between intracellular K+ and extracellular Na+

The ratio between intracellular Na+ and extracellular K+

The ratio between intracellular Na+ and extracellular sodium

The ratio between intracellular K+ and extracellular potassium

Question 2

2 / 2 pts

Chvostek sign and Trousseau sign indicate

hypercalcemia.

hypokalemia.

hyperkalemia.

hypocalcemia.

Question 3

2 / 2 pts

Physiologic pH is maintained around 7.4 because bicarbonate (HCO3) and carbonic acid (H2CO3) exist in a ratio of

1:20.

10:2.

10:5.

20:1.

Question 4

2 / 2 pts

Water movement between the intracellular fluid compartment and the extracellular compartment is primarily a function of

osmotic forces.

antidiuretic hormone.

hydrostatic forces.

plasma oncotic pressure.

Question 5

2 / 2 pts

Which are indications of dehydration?

Tachycardia and weight loss

Muscle weakness and decreased deep tendon reflexes

Polyuria and hyperventilation

Decreased hemoglobin and hematocrit

Question 6

2 / 2 pts

At the arterial end of capillaries, fluid moves from the intravascular space into the interstitial space because the

capillary oncotic pressure is lower than the interstitial hydrostatic pressure.

capillary hydrostatic pressure is higher than the capillary oncotic pressure.

interstitial hydrostatic pressure is higher than the capillary hydrostatic pressure.

interstitial oncotic pressure is higher than the interstitial hydrostatic pressure.

Question 7

2 / 2 pts

In hyperkalemia, cardiac rhythm changes are a direct result of

cardiac cell repolarization.