IV Prep Quiz Flashcards
major stimulus for the release of antidiuretic hormone is __________.
A. stimulation of the baroreceptors
B. an increase in ECF water concentration
C. an increase in potassium levels in the ICF
D. inhibition of the osmoreceptors
E. a rise in plasma osmolality
E.
Acidosis results in increasing levels of what ion?
A. phosphorus
B. sodium
C. chloride
D. calcium
E. hydrogen
E.
What is the most abundant cation in intracellular fluid?
A. bicarbonate
B. sodium
C. potassium
D. magnesium
E. calcium
C
Normal arterial blood pH is __________.
A. neutral
B. strongly alkaline
C. highly acidic
D. slightly acidic
E. slightly alkaline
E
Parathyroid hormone __________.
A. results in a lower blood calcium level
B. targets the thyroid gland
C. enhances release of calcium from bone
D. activates osteoblasts
E. is released when aldosterone levels climb
C
The largest percentage of body water is located in what compartment?
A. blood plasma
B. interstitial fluid
C. intracellular fluid
D. extracellular fluid
C
The most prevalent electrolyte in the extracellular fluid is __________.
A. sodium
B. calcium
C. potassium
D. chloride
E. magnesium
F. phosphate
A
The most important buffer system in the intracellular fluid compartment (ICF) is the __________ buffer system.
A. sulfate
B. phosphate
C. bicarbonate
D. protein
E. chloride
D
Pica, the desire to consume substances that are not normally considered food, such as chalk or clay, may be triggered by a deficiency of __________.
A. sodium
B. calcium
C. water
D. iron
D
The most important buffer system of extracellular fluid, such as plasma, is the __________ buffer system.
A. bicarbonate
B. phosphate
C. protein
D. hemoglobin
A
