Correct Answer:- Option-C

Question71:-Which of the following statement is/are correct regarding the synthesis
of thyroid hormone ?

i. In the brain the enzyme >, thyroid deiodinase contributes to the formation of 7५

ii. The thioureylenes promotes the iodination of monoiodotyrosine.

iii. Large doses of iodide cause transient inhibition of organic binding of iodide.

A:-Only i and iii

B:-Only i and ii

C:-Only ii and iii

D:-All the above i, ii and iii
Correct Answer:- Option-A

Question72:-Following is/are true about insulin receptors Except

i. The gene for the insulin receptor in human is located on chromosome 9.

ii. All the insulin receptors are synthesized on a single MRNA.

iii. They are found on many different cells in the body, including the cells in which
insulin does not increase glucose uptake.

iv. The B subunit of insulin receptor span the cell membrane

A:-Only i

B:-Only iii

C:-Only ii and iii

D:-Only iv

Correct Answer:- Option-A

Question73:-A 32 year old lady following labour developed severe postpartum
haemorrhage and went into shock. After her recovery from shock she displays
symptoms of hypopituitarism. Which of the following are expected in this patient.
i. Pallor

ii. Infertility

iii. Cachexia

iv. Low basal metabolic rate

A:-Only i and iii

B:-Only ii

C:-Only i, ii and iv

D:-All the above (i, ii, iii and iv)
Correct Answer:- Option-C

Question74:-A statement which is false regarding pheochromocytoma is

i. Tumour caused by hyperplasia of either adrenal medullary tissue or extra adrenal
chromaffin tissue.

ii. Tumours can be benign or malignant.

111. Glucose intolerance is one of the clinical findings.

iv. They make catecholamines, just like the normal medulla, except in an
unregulated fashion.

A:-Only iii