Which Statement Is Correct About PTH

question 7

Multiple Choice

Which statement is correct about PTH?

• A) When calcium level rises, PTH secretion is activated.
• B) When calcium level lowers, PTH secretion is stimulated.
• C) PTH has the same effect as calcitonin.
• D) PTH inhibits calcium absorption from the gut.
• E) PTH decreases the activity of osteoclasts.

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Definitions:

pI

The isoelectric point of a molecule, the pH at which the molecule carries no net electric charge.

Alanine

A nonessential amino acid that plays a crucial role in the biosynthesis of proteins.

Leucine

An essential amino acid utilized in protein synthesis and various metabolic functions within the body, exhibiting a branched-chain structure.

Side Chain

An alkyl or other group of atoms attached to a main part of a molecule, influencing its properties and reactions.