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Match the following endocrine disorders to the most relevant diagnostic test:

A.

Cushing's Syndrome

B.

Addison's Disease

C.

Graves Disease

D.

Diabetes Insipidus

E.

Hashimoto's Thyroiditis

Answer and Explanation

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

Cushing’s Syndrome → Dexamethasone Suppression Test

  • Cushing’s Syndrome results from excess cortisol. The dexamethasone suppression test evaluates whether cortisol production is appropriately suppressed by exogenous steroids.

Addison’s Disease → ACTH Stimulation Test

  • Addison’s Disease involves adrenal insufficiency. The ACTH stimulation test checks if the adrenal glands can produce cortisol when stimulated.

Graves’ Disease → TSH Receptor Antibody Test

  • Graves’ Disease is an autoimmune hyperthyroid condition where autoantibodies stimulate the thyroid. The TSH receptor antibody test detects these autoantibodies.

Diabetes Insipidus → Water Deprivation Test

  • Diabetes Insipidus causes excessive urination due to ADH deficiency or resistance. The water deprivation test assesses the kidneys' ability to concentrate urine in response to dehydration.

Hashimoto’s Thyroiditis → Antithyroid Antibody Test

  • Hashimoto’s Thyroiditis is an autoimmune hypothyroid disorder characterized by elevated antithyroid antibodies.


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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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