AIPPG Paper 2002 (Part 9 of 25)

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  1. The most sensitive structure in a cell for radiotherapy is
    1. Cell membrane
    2. Mitochondria membrane
    3. DNA
    4. Plasma membrane
    5. Cell enzymes
  2. In spectroscopy nucleotides absorb at 260 nm wavelength. This absorption is due to
    1. Purines and pyrimidines
    2. Deoxyribose
    3. Ribose
    4. Histones
    5. Phosphates
  3. Regarding oncogenesis
    1. Topoisomerase II causes break in both strands
    2. P53 is the most common oncogene mutation causing cancer in humans
    3. At G2 − M phase there is loss of inhibitors controlling cell cycle
    4. Decrease in telomerase activity causes antitumor effect
  4. The investigation of choice in acute cholecystitis is
    1. Ultrasound
    2. HIDA scan
    3. CT scan
    4. Oral cholestogram
    5. MRI
  5. All can cause hyperglycemia except
    1. Growth hormone
    2. Cortisol
    3. Epinephrine
    4. Glucagon
    5. Insulin
  6. Primary hyperparathyroidism is caused by
    1. Parathyroid hyperplasia
    2. Parathyroid adenoma
    3. MEN syndrome
    4. Thyrotoxicosis
    5. Chronic renal failure
  7. Hyperphosphatemia with hypocalcemia is seen in
    1. CRF
    2. Pseudohypoparathyroidsim
    3. Tumor lysis syndrome
    4. Vitamin D intoxication
    5. Sarcoidosis
  8. Raised calcium and phosphate is seen in
    1. Chronic renal failure
    2. Vitamin D intoxication
    3. Hyperparathyroidism
    4. Pseudohypoparathyroidism
    5. Sarcoidosis
  9. Hypokalemia is associated with
    1. Furesemide
    2. Cortisol
    3. Metabolic acidosis
    4. Amiloride
    5. Addison՚s disease
  10. VIPOMA is associated with
    1. Watery diarrhea
    2. Hypochlorhydria
    3. Hyperchlorhydria
    4. Hyperkalemia
    5. Hypokalemia

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