The urine is most likely to be hypotonic when the
body's water volume is high
body's pH is low
output of antidiuretic hormone is high
output of natriuretic peptides is high
person is lost and deprived of drinking water
The Correct Answer is A
A. Body’s water volume is high: When well-hydrated, ADH secretion is low, resulting in dilute (hypotonic) urine as the kidneys excrete excess water.
B. Body’s pH is low: This would affect acid-base balance, not urine tonicity directly.
C. Output of antidiuretic hormone is high: High ADH increases water reabsorption, leading to concentrated (hypertonic) urine.
D. Output of natriuretic peptides is high: These promote Na⁺ and water loss, but hypotonic urine isn't guaranteed.
E. Person is lost and deprived of drinking water: In dehydration, ADH increases, and urine becomes concentrated, not hypotonic.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is {"dropdown-group-1":"A"}
Explanation
A. Stomach: The stomach mixes the food with gastric juices, converting the solid bolus into a semi-liquid substance called chyme.
B. Small intestine: The small intestine receives chyme but does not liquefy the bolus.
C. Mouth: The mouth forms the bolus through mastication and saliva, but it does not produce chyme.
D. Esophagus: The esophagus only transports the bolus via peristalsis and plays no role in liquefying it.
Correct Answer is B
Explanation
A. Citric acid (Krebs) cycle: This occurs in the mitochondria, which RBCs do not possess.
B. Glycolysis: RBCs rely entirely on anaerobic glycolysis in the cytoplasm for ATP production due to their lack of mitochondria.
C. Aerobic respiration: This requires mitochondria, which are absent in RBCs.
D. Electron transport chain: This also occurs in the mitochondrial membrane, and RBCs can’t perform this process.
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