Karnataka PG Solved Paper 2004 (Part 17 of 20)

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1. The level of LDL cholestrol at which therapy should be intiated in a aotient without coronary artery disease and no risk factor is:

   1. 100 mg/dL

   2. 130 mg/dL

   3. 160 mg/dL

   4. 198 mg/dL

   Answer: c

2. The most common karyotypic abnormality associated with Turner syndrome is:

   1. 45, X

   2. 46, XY

   3. 47, XXY

   4. 45, Y

   Answer: a

3. Insulin resistance is defined as a daily requirement of insulin greater than:

   1. 100 units

   2. 150 units

   3. 200 units

   4. 250 units

   Answer: c

4. The treatment of choice for hypertension in a patient with phaeochromocytoma:

   1. Alpha adrenergic blocking agents

   2. Beta adrenergic blocking agents

   3. Calcium channel blockers

   4. Angiotensin receptor blockers

   Answer: a

5. Nelson's syndrome is a complication of:

   1. Unilateral adrenalectomy for Cushing's syndrome

   2. Bilateral adrenalectomy for bilateral adrenal hyperplasia

   3. Excision of a pituitary tumor for bilateral adrenal hyperlasia

   4. Excision of a hypothalamic tumor for bilateral adrenal hyperplasia

   Answer: b

6. The electrolyte abnormality typical seen in primary aldosteronism is:

   1. Hypokalemia

   2. Hyperkalemia

   3. Hyponatremia

   4. Hypernatremia

   Answer: a

7. The feature of subacute thyroiditis include:

   1. Elevated T3 & T4 levels

   2. Depressed TSH levels

   3. Depressed RAIU

   4. All of the above

   Answer: d

8. SIADH typical causes:

   1. Hypernatremia and a urinary osmolality 300 mmol/Kg

   2. Hyponatremia and a urinary osmollity 300 mmol/Kg

   Answer: b

9. The most common manifestations in Takayasu's arteritis are related to occlusion of:

   1. Abdominal aorta

   2. Renal arteries

   3. Subclavian arteries

   4. Pulmonary arteries

   Answer: c

10. Nucleoside analogues used in the treatment of HIV infection include:

    1. Indinavir

    2. Nevirapine

    3. Didanosine

    4. Efavirenz

    Answer: c