Hormones as Messengers and Regulators

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Hormones as Messengers and Regulators: Overview

This topic covers concepts, such as, Hormone Receptors,Mechanism of Hormone Action,Secondary Messengers etc.

Important Questions on Hormones as Messengers and Regulators

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Which of the following hormones interact with membrane bound receptors and generate second messenger inside the cell to regulate metabolism?

A. GnRH and Somatostatin

B. FSH and LH

C. Cortisol and Estradiol

D. ANF and Thymosin

E. Thyroid hormones

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In the mechanism of hormone action that relies on signal transduction pathways and second messenger

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Select the incorrect statement from the following.

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What is the difference between first messenger and second messenger ?

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Is cholesterol a secondary messenger ?

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What are examples of secondary messengers ?

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What are secondary messengers ?

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Which one of the following statements about second messengers is correct?

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Which one of the following is an example of negative feedback loop in humans?

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Which one of the following is not a second messenger in hormone action

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Receptors for protein hormones are located

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Consider the given diagrammatic representation of the mechanism of action for 2 categories of hormones. In which of the following option correct answers for blanks A to I are indicated

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Which among the following is not a secondary messenger?

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Which of the following set is correct w.r.t. receptor?

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From the following, which hormone does not bind with extracellular receptor protein to stimulate hormone action?

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The hormones bound with the cell membrane of the target cell generate secondary messengers upon interaction with the receptor. Which of the following is not an example of secondary messenger?

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Hormone receptors on the target tissue are made up of

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 The enzyme which is related with hormonal activity is

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Which one of the following is incorrect w.r.t. second messenger in hormone action?