Development of Neural Tube Defects Seems to Be More Common

question 10

Multiple Choice

Development of neural tube defects seems to be more common in the fetuses of pregnant women whose diet is low in:

• A) iron.
• B) vitamin D.
• C) folic acid.
• D) essential amino acids.

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Definitions:

Plasma Colloid Osmotic Pressure

The pressure exerted by plasma proteins on the capillary walls, influencing the movement of water between capillaries and tissues.

Vasomotor Tone

Relatively constant frequency of sympathetic impulses that keep blood vessels partially constricted in the periphery.

Blood Colloid Osmotic Pressure

The pull exerted by large proteins in the plasma portion of blood that tends to draw water into the circulatory system.

Interstitial Fluid

The fluid that surrounds the cells in tissues, providing a medium for the exchange of substances between blood and cells.