MBBS FIRST PROFESSIONAL (PART-II)
MODEL QUESTIONS FOR ANNUAL 2009
Physiology
(Multiple Choice Questions)
Q.1 A patient with an acid base disturbance shows in his arterial blood pH = 7.3,
PCO2 =70 mmHg (Normal = 40 mmHg) and HCO3- = 38 mEq/L (Normal = 24
mEq/L). He is most likely suffering from:
a) Metabolic acidosis
b) Metabolic alkalosis
c) Compensated metabolic acidosis
d) Uncompensated respiratory acidosis
e) Partially compensated respiratory acidosis
Q.2 If a sharp painted object touches the foot of a person, the foot is
immediately withdrawn from the object involuntarily. This action involves
the receptors:
a) Free nerve endings
b) Hair follicle receptors
c) Meissner’s corpuscles
d) Pacinion corpuscles
e) Ruffini’s end organs
Q.3 A middle aged man present with tremors during voluntary action,
incoordinate movements, pendular knee jerk and staggering gait. The man is
most likely having lesion of:
a) Basal ganglia
b) Cerebral cortex
c) Cerebellum
d) Hypothalamus
e) Thalamus
Q.4 A middle aged woman consults her physician with the complaints of
weakness and increased pigmentation of skin of hands, elbows and other
parts of the body. Her arterial blood pressure was 90/60 mmHg, Blood
glucose (fasting) = 70 mg/dl and raised serum ACTH level. She was most
likely suffering from:
a) Addison’s disease
b) Hypopituitarism
c) Hypoparathyroidism
d) Myxedema
e) Pheochromocytoma
Q.5 An obese stocky and short statured child with mental retardation is most
likely suffering from:
a) Addison’s disease
b) Cretinism
c) Cushing’s syndrome
d) Adrenal adenoma
e) Dwarfism
