Nursing practice questions with comprehensive rationales
NurseDive Free Nursing Practice Question
What is the principal cation of the ECF?
A. Na+
Na+: Sodium (Na+) is the principal cation in the extracellular fluid (ECF), which includes interstitial fluid and blood plasma.
B. Ca2+
Ca2+: Calcium (Ca2+) is important in various bodily functions but is not the principal cation in the ECF. Sodium is more predominant in ECF.
C. CL-
Cl-: Chloride (Cl-) is the principal anion in the ECF, not a cation. Sodium is the principal cation.
D. K+
K+: Potassium (K+) is the principal cation in the intracellular fluid (ICF), not the ECF. Sodium is the principal cation in the ECF.
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Full Explanation
A. Na+: Sodium (Na+) is the principal cation in the extracellular fluid (ECF), which includes interstitial fluid and blood plasma.
B. Ca2+: Calcium (Ca2+) is important in various bodily functions but is not the principal cation in the ECF. Sodium is more predominant in ECF.
C. Cl-: Chloride (Cl-) is the principal anion in the ECF, not a cation. Sodium is the principal cation.
D. K+: Potassium (K+) is the principal cation in the intracellular fluid (ICF), not the ECF. Sodium is the principal cation in the ECF.
Similar Questions
Prior to chemical tests for glycosuria, clinicians checked for sweetness of the urine as a sign of
A. pyelitis
Pyelitis is an infection of the renal pelvis and does not cause sweet-smelling urine.
B. diabetes mellitus
Diabetes mellitus often causes glycosuria (glucose in urine), which can make urine taste sweet.
C. renal calculus
Renal calculus (kidney stones) does not affect urine sweetness.
D. acute glomerulonephritis
Acute glomerulonephritis affects kidney function and urine appearance but does not specifically cause sweet-smelling urine.
Full Explanation
A. Pyelitis is an infection of the renal pelvis and does not cause sweet-smelling urine.
B. Diabetes mellitus often causes glycosuria (glucose in urine), which can make urine taste sweet.
C. Renal calculus (kidney stones) does not affect urine sweetness.
D. Acute glomerulonephritis affects kidney function and urine appearance but does not specifically cause sweet-smelling urine.
Which of the following is not an accessory organ of digestion?
A. Salivary glands
Salivary glands are accessory organs of digestion as they secrete saliva containing enzymes to start digestion.
B. Liver
Liver is an accessory organ involved in digestion, particularly in bile production and processing nutrients.
C. Pancreas
Pancreas is an accessory organ that secretes digestive enzymes into the small intestine.
D. Spleen
Spleen is not involved in digestion; it is primarily involved in immune function and blood filtration.
Full Explanation
A. Salivary glands are accessory organs of digestion as they secrete saliva containing enzymes to start digestion.
B. Liver is an accessory organ involved in digestion, particularly in bile production and processing nutrients.
C. Pancreas is an accessory organ that secretes digestive enzymes into the small intestine.
D. Spleen is not involved in digestion; it is primarily involved in immune function and blood filtration.
What is the infant's only source of nutrition during the first 2-3 days postpartum?
A. Lactose
Lactose is a sugar in breast milk and is not the only source of nutrition during the first 2-3 days postpartum.
B. Casein
Casein is a protein found in breast milk but not the sole source of nutrition for the infant.
C. Colostrum
Colostrum is the nutrient-rich first milk produced by the mother in the first 2-3 days postpartum and provides essential nutrients and antibodies to the newborn.
D. Meconium
Meconium is the infant's first stool and not a source of nutrition.
Full Explanation
A. Lactose is a sugar in breast milk and is not the only source of nutrition during the first 2-3 days postpartum.
B. Casein is a protein found in breast milk but not the sole source of nutrition for the infant.
C. Colostrum is the nutrient-rich first milk produced by the mother in the first 2-3 days postpartum and provides essential nutrients and antibodies to the newborn.
D. Meconium is the infant's first stool and not a source of nutrition.