#1
Which hormone regulates the concentration of sodium ions in the body?
Aldosterone
ExplanationAldosterone regulates sodium concentration.
#2
What is the primary function of potassium in the body?
Nerve impulse transmission
ExplanationPotassium primarily facilitates nerve impulses.
#3
Which of the following is not a major electrolyte in the human body?
Bicarbonate
ExplanationBicarbonate is not a major electrolyte.
#4
What is the main function of chloride in the body?
Maintaining acid-base balance
ExplanationChloride helps maintain acid-base balance.
#5
What is the primary function of sodium in the body?
Nerve impulse transmission
ExplanationSodium's primary function is nerve impulse transmission.
#6
Which of the following is a common symptom of hyponatremia?
Muscle weakness
ExplanationMuscle weakness is a common symptom of hyponatremia.
#7
Which of the following conditions is characterized by low blood sodium levels?
Hyponatremia
ExplanationHyponatremia indicates low sodium levels in blood.
#8
Which organ primarily regulates the balance of electrolytes in the body?
Kidneys
ExplanationKidneys regulate electrolyte balance.
#9
Which hormone regulates the reabsorption of water in the kidneys?
Antidiuretic hormone (ADH)
ExplanationADH regulates water reabsorption in kidneys.
#10
What is the term for abnormally high levels of potassium in the blood?
Hyperkalemia
ExplanationHyperkalemia denotes high blood potassium levels.
#11
Which of the following electrolytes plays a crucial role in blood clotting?
Calcium
ExplanationCalcium plays a crucial role in blood clotting.
#12
What is the term for abnormally low levels of calcium in the blood?
Hypocalcemia
ExplanationHypocalcemia indicates low blood calcium levels.
#13
What is the normal pH range of blood in humans?
7.35 - 7.45
ExplanationBlood pH typically ranges from 7.35 to 7.45.
#14
Which of the following is a major cation found in intracellular fluid?
Potassium
ExplanationPotassium is a major cation in intracellular fluid.
#15
Which of the following hormones is released in response to low blood calcium levels?
Parathyroid hormone (PTH)
ExplanationPTH is released in response to low blood calcium.
#16
Which of the following hormones regulates calcium levels in the blood by promoting calcium deposition into bones?
Calcitonin
ExplanationCalcitonin promotes calcium deposition in bones.
#17
Which of the following hormones regulates potassium levels in the blood by promoting potassium uptake into cells?
Insulin
ExplanationInsulin promotes potassium uptake into cells.