Hormone Metabolism - Mock Test 26

Question 251

Cyclic AMP acts as the second messenger for all of the following except?

A) Oxytocin B) TSH C) ACTH D) FSH

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Question 252

Cyclic AMP acts as the second messenger for?

A) ADH B) Glucagon C) Calcitonin D) All of these

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Question 253

All the following statements about steroid hormones are true except ?

A) They are hydrophobic B) They require carriers to transport them in circulation C) Their receptors are intracellular D) They require cyclic AMP as second messenger

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Question 254

All the following statements about hormones are true except?

A) All of them require specific carriers in plasma B) All of them require specific receptors in target cells C) Some of them are subject to feedback regulation D) Some of them increase the transcription of certain genes

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Question 255

Down regulation is?

A) Increased destruction of a hormone B) Feed back inhibition of hormone secretion C) Decreased concentration of a hormone in blood D) Decrease in number of receptors for a hormone

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Question 256

The only correct statement about hormone receptors is?

A) Receptors for protein hormones are present in cytosol B) Receptors for steroid hormones are membrane bound C) Hormone-receptor binding is irreversible D) Receptors can undergo down regulation and up regulatoin

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Question 257

Hormone receptors possess all the following properties except?

A) All of them are proteins B) They possess a recognition domain C) They bind hormones with a high degree of specificity D) Number of receptors in a target cell is constant

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Question 258

Young women are protected against myocardial infaracation because of the activity of?

A) Estrogen B) Progesterone C) Growth hormone D) Oxytocin

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Question 259

Synthetic progesterone used in oral contraceptive is?

A) Norethindrone B) Pregnenolone C) Androstenodione D) Stilbestrol

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Question 260

A hormone produced by corpus luteum and placenta, concerned with relaxation of pelvis tissue is?

A) HCG B) Chorionic somatommotropin C) Relaxin D) Progestins

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