During Which Period of Pregnancy Are Babies Most Vulnerable to Drugs

question 68

Multiple Choice

During which period of pregnancy are babies most vulnerable to drugs taken by the mother?

• A) First trimester
• B) Second trimester
• C) Third trimester
• D) None of these; vulnerability stays the same throughout gestation.

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Definitions:

Filtration Slits

Narrow openings between the extensions of the podocytes in the kidney that filter blood to form urine.

Hydrostatic Pressure

The pressure exerted by a fluid at equilibrium due to the force of gravity.

Glomerular Filtration Membrane

A specialized filter in the kidney, consisting of capillary networks, that allows the passage of water and small solutes into the nephron while retaining larger molecules.