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Place the following symptoms under the correct condition: Diabetes Insipidus or SIADH.

A.

Polyuria

B.

Decreased Urine Output

C.

Hyponatremia

D.

Hypernatremia

E.

Dilute Urine

Answer and Explanation

The Correct Answer is {"A":{"answers":"A"},"B":{"answers":"B"},"C":{"answers":"A"},"D":{"answers":"B"},"E":{"answers":"A"}}

Diabetes Insipidus:

  • Polyuria: ADH deficiency/resistance causes excessive urine output.
  • Hypernatremia: Excessive water loss leads to high serum sodium levels.
  • Dilute Urine: The kidneys cannot concentrate urine without ADH.

SIADH:

  • Decreased Urine Output: Excess ADH leads to water retention and decreased urination.
  • Hyponatremia: Water retention dilutes sodium levels.


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Related Questions

Correct Answer is ["B","C","D"]

Explanation

(A) Constipation: Hypocalcemia causes increased GI motility, leading to diarrhea, not constipation.

(B) Trousseau's sign: Carpal spasm when inflating a BP cuff is a classic sign of hypocalcemia.

(C) Positive Chvostek’s sign: Facial twitching when tapping the facial nerve suggests hypocalcemia.

(D) Muscle spasms: Hypocalcemia increases neuromuscular excitability, leading to spasms and cramps.

(E) Shortened QT interval: Hypocalcemia prolongs the QT interval, while hypercalcemia shortens it.

Correct Answer is B

Explanation

(A) Achondroplasia: Causes short stature due to impaired bone growth.

(B) Marfan Syndrome: An autosomal dominant connective tissue disorder associated with tall stature, long limbs, and aortic aneurysm risk.

(C) Cystic Fibrosis: Affects the lungs and pancreas but does not cause tall stature or cardiovascular issues.

(D) Huntington’s Disease: Affects the nervous system, causing movement disorders, not tall stature.

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