Which of the Following Is a Feature of Heavy Metal

question 123

Multiple Choice

Which of the following is a feature of heavy metal intake and pregnancy?

• A)Mercury,but not lead,can easily cross the placenta
• B)Lead and mercury both damage the fetal nervous system
• C)Pregnant women are advised to limit consumption of shark and swordfish to no more than once per week
• D)Pregnant women are advised to avoid shellfish around the critical period of brain development but may resume normal intake thereafter

---

Definitions:

Blood Osmolality

A measure of the solute concentration in the blood, affecting the movement of water between body compartments.

Chloride Ions

Negatively charged ions (Cl⁻) that play essential roles in fluid balance, nerve signaling, and muscle activity in the body.

Na+

Sodium ions, which are essential for various bodily functions including maintaining fluid balance and transmitting nerve impulses.