All India Institute of Medical Sciences 2003 - Question Paper

4. Multifactorial inheritance
Ans 3

65 A 3- year old boy is detected to have bilateral renal calculi. Metabolic valuation confirms the presence of marked hypercalciuria with normal blood levels of calcium, magnesium, phosphate, uric acid and creatinine. A diagnosis of idiopathic hypercalciuria is made. The dietary management includes all, other than
1. Increased water intake
2. Low sodium diet
3. decreased calcium intake
4. Avoid meat proteins.
Ans 3

66. The hormone associated with cold adaption is :
1. Growth hormone.
2. Thyroxine.
3. Insulin.
4. Melanocyle Stimulating Hormone.
Ans 2

67. All of the subsequent are characteristic features of Kwashiorkor, other than :
1. High blood osmolarity.
2. Hypoalbuminemia.
3. Edema.
4. Fatty liver.
Ans 1

68. Acetyl Co-A acts as a substrate for all the enzymes other than :
1. HMG-Co A synthetase.
2. Malic enzyme.
3. Malonyl Co A synthetase.
4. Fatty acid synthetase.
Ans 2

69. The activity of the subsequent enzyme is affected by biotin deficiency:
1. Transketolase,
2. Dehydrogenase.
3. Oxidase.
4. Carboxylase.
Ans 4

70. A 55-year-old male accident victim in casualty urgently needs blood. The blood bank is unable to determine his ABO group, as his red cell group and plasma group do not match. Emergency transfusion of patient should be with:
1. RBC corresponding to his red cell group and colloids/crystalloid.
2. Whole blood corresponding to his plasma group.
3. O positive RBC and colloids/ crystalloid.
4. AB negative whole blood.
Ans three

71. Although more than 400 blood groups have been identified, the ABO blood group system remains the most important in clinical medicine because. :
1. It was the blood group system to be discovered.
2. It has 4 various blood groups A, B, AB, O(H).
3. ABO (H) antigens are current in most body tissues and fluids.
4. ABO (H) antibodies are invariably current in plasma when persons RBC lacks the corresponding antigen.
Ans four [Major importance in Clinical medicine is TRANSFUSION] [Sanjay, Assam]

72. Km of an enzyme is :
1. Dissociation constant.
2. The normal physiological substrate concentration.

Earning:   Approval pending.