Same chapter3 marksDifficulty: Medium
Why is the pituitary called the master gland?
Endocrine System
3 marksDifficulty: Medium
What is a target organ? Give two examples of a hormone and its target organ.
Original Khojo Papers practice question — not from a past board paper.
Answer
A target organ is the organ on which a particular hormone acts, because its cells carry receptors for that hormone. Thyroid-stimulating hormone from the pituitary has the thyroid gland as its target, and insulin from the pancreas has the liver and the muscles among its targets.
No citable source has been recorded for this record. Treat it as practice material, not as fact.
Explanation
A hormone reaches every part of the body in the blood but affects only its targets.
Related questions
From the same topic and chapter, at a similar level.
Same chapter3 marksDifficulty: Medium
Name the two hormones of the pancreas and state the function of each.
Endocrine System
Same chapter3 marksDifficulty: Medium
Why is adrenaline called the emergency hormone?
Endocrine System
Same chapter3 marksDifficulty: Medium
State two differences between the nervous and the endocrine systems of coordination.
Endocrine System
Same chapter3 marksDifficulty: Medium
Name the hormone secreted by the thyroid gland and state one effect each of its oversecretion and undersecretion in an adult.
Endocrine System
Same chapter3 marksDifficulty: Medium
What is feedback control in the endocrine system? Illustrate with thyroxine.
Endocrine System