Prior to chemical tests for glycosuria, clinicians checked for sweetness of the urine as a sign of
pyelitis
diabetes mellitus
renal calculus
acute glomerulonephritis
The Correct Answer is B
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.
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Correct Answer is C
Explanation
A. Esophageal glands secrete mucus to lubricate the esophagus, but they do not cause acid reflux.
B. Pharyngeal constrictors are muscles that help in the swallowing process, not in preventing acid reflux.
C. The lower esophageal sphincter (LES) is a ring of muscle that controls the passage of food from the esophagus to the stomach. If the LES is weakened or relaxes inappropriately, stomach acid can flow back into the esophagus, causing acid reflux or "heartburn."
D. The upper esophageal sphincter controls the passage of food from the pharynx into the esophagus, but it is not involved in preventing acid reflux.
Correct Answer is D
Explanation
A. To the lining of the uterine tube: If an embryo attaches to the uterine tube, it results in an ectopic pregnancy, which is not typical or safe.
B. To the myometrium: The myometrium is the muscular layer of the uterus and is not the usual site of embryo attachment.
C. To the perimetrium: The perimetrium is the outermost layer of the uterus and is not involved in embryo implantation. This is incorrect.
D. To the endometrium: The endometrium is the inner lining of the uterus, where the embryo typically implants and attaches. This is the correct answer.