HARD
Earn 100

How do hormones maintain homeostasis?
(a)By initiating specific cell responses
(b)By altering blood composition
(c)By changing receptor numbers
(d)By deactivating enzymes

50% studentsanswered this correctly
Important Questions on Chemical Coordination and Integration
EASY
Which hormone uses cAMP as a second messenger?

HARD
Which type of receptor is involved in adrenaline action?

MEDIUM
Why steroid hormone can easily pass through the cell membrane ?

EASY
Which type of hormone interacts with intracellular receptors?

HARD
What happens when a hormone binds to its receptor?

EASY
Hormone production and release are primarily controlled by _____ (negative/positive) feedback.

HARD
What is the role of second messengers in hormone action?

EASY
Cyclic adenosine monophosphate (cAMP) does not help in the action of

HARD
Which hormone action involves direct gene activation?

EASY
Receptor for which hormone is not situated within the nucleus?

HARD
What is the primary mode of action of insulin?

HARD
How do peptide hormones usually act on target cells?

EASY
The _____ and amount of hormones released by endocrine glands are controlled by the feedback mechanism, which is inbuilt in our body.

EASY
What is the function of phosphodiesterase in hormonal signaling?

MEDIUM
Discuss the role of cyclic AMP for the mechanism of hormonal actions.

HARD
Which type of hormone action involves binding directly to DNA?

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

EASY
Most water-soluble hormone molecules circulate in the watery blood plasma in a 'free' form (not attached to other molecules).

MEDIUM
How do hormones act on target organs?

MEDIUM
What is the significance of receptor specificity in hormone action?

