2022 Phase 2 Chemical Coordination and IntegrationHormones during pregnancy Medium Question 20 of 85 in Chemical Coordination and Integration

During pregnancy the level of thyroxine is increased in the maternal blood.

Reason: Pregnancy is characterised by metabolic changes in the mother.
A Both A and R are true and R is the correct explanation of A
B Both A and R are true but R is NOT the correct explanation of A
C A is true but R is false
D A is false but R is true

The answer is A.

Solution

During pregnancy the metabolic rate of the mother increases to meet the needs of the mother and the developing foetus; this is brought about by an increase in thyroxine. Both statements are correct and the reason explains the assertion.

Concept Hormones during pregnancy

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85 questions from this chapter have appeared across 26 exam years.