NR 507 WEEK 2 QUIZ / QUESTIONS AND ANSWERS 2023/2024 GRADED A. Downloaded by dennis murimi () Question 2 2 / 2 pts In hyperkalemia, cardiac rhythm changes are a direct result of cardiac cell hypopolarization. cardiac cell repolarization. cardiac cell hyperexcitability. depression of the sinoatrial ...
NR 507 WEEK 2 QUIZ / QUESTIONS AND ANSWERS
2023/2024 GRADED A
, NR 507 WEEK 2 QUIZ / QUESTIONS AND ANSWERS
2023/2024 GRADED A
Quiz 2
In hyperkalemia, cardiac rhythm changes are a direct result of (Points : 2)
cardiac cell hypopolarization.
When thirst is experienced, how are osmoreceptors activated? (Points : 2)
By an increase in the antidiuretic hormone secreted into the plasma
By an increase in aldosterone secreted into the plasma
By an increase in the hydrostatic pressure of the plasma
By an increase in the osmotic pressure of the plasma
Which are indications of dehydration? (Points : 2)
Decreased hemoglobin and hematocrit
Muscle weakness and decreased deep tendon reflexes
Tachycardia and weight loss
Polyuria and hyperventilation
At the arterial end of capillaries, fluid moves from the intravascular space into the
interstitial space because the (Points : 2)
interstitial hydrostatic pressure is higher than the capillary hydrostatic
pressure.
capillary hydrostatic pressure is higher than the capillary oncotic pressure.
interstitial oncotic pressure is higher than the interstitial hydrostatic pressure.
capillary oncotic pressure is lower than the interstitial hydrostatic pressure.
Which enzyme is secreted by the juxtaglomerular cells of the kidney when
circulating blood volume is reduced? (Points : 2)
Angiotensin I
Angiotensin II
Aldosterone
Renin
Why are infants susceptible to significant losses in total body water (TBW)?
(Points : 2)
Because more than half of an infant’s body weight is water
Because infants have a slow metabolic rate
Because an infant’s kidneys are not mature enough to counter fluids losses
Because they are unable communicate adequately when they are thirsty
Physiologic pH is maintained around 7.4 because bicarbonate (HCO3) and
carbonic acid (H2CO3) exist in a ratio of (Points : 2)
20:1.
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