Which of the following is FALSE concerning normal urine?
Urine contains glucose
Urine may contain drugs
Urine contains water
Urine contains uric acid
The Correct Answer is A
A. Urine contains glucose: Glucose is not normally present in urine. Its presence typically indicates hyperglycemia, such as in uncontrolled diabetes mellitus.
B. Urine may contain drugs: Many drugs and their metabolites are excreted in the urine, which is why urine drug testing is possible.
C. Urine contains water: Water is the main component of urine, making up about 95% of its volume.
D. Urine contains uric acid: Uric acid is a normal waste product of purine metabolism, excreted by the kidneys.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. Epiglottis: The epiglottis is a flap of cartilage that covers the laryngeal opening during swallowing to prevent food or liquid from entering the airway.
B. Tonsils: Tonsils are lymphatic tissues in the pharynx that help trap pathogens, not prevent aspiration.
C. Uvula: The uvula helps close off the nasopharynx, not the trachea, during swallowing.
D. Appendix: The appendix is a blind-ended tube attached to the cecum; it plays no role in swallowing or airway protection.
Correct Answer is C
Explanation
A. Large intestine, excretion: The large intestine mainly absorbs water and forms feces; it does not have villi.
B. Pancreas, release of hormones: The pancreas releases insulin and glucagon but has no villi and is not directly involved in nutrient absorption.
C. Small intestine, absorption: Villi are fingerlike projections that line the small intestine to increase surface area for absorption of nutrients.
D. Gallbladder, production of bile: The liver produces bile; the gallbladder only stores it. Villi are not involved.
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