The Frequency of Neural Tube Defects Has Declined During the Last

question 62

Multiple Choice

The frequency of neural tube defects has declined during the last two decades partly because of

• A) a better understanding of the nutritional needs early in pregnancy.
• B) a better understanding of the need for exercise during the first few months of pregnancy.
• C) the development of new drugs.
• D) the introduction of new intrauterine surgical procedures.

---

Definitions:

Leucopoiesis

The production of white blood cells in the bone marrow, a crucial process for immune system functioning.

White Blood Cells

Cells of the immune system involved in protecting the body against both infectious disease and foreign invaders.

Liquid Plasma

The liquid component of blood that remains after the removal of blood cells, containing water, salts, proteins, and enzymes.

Platelets

Small blood cells that play a crucial role in clotting and stopping bleeding by clumping and forming plugs in blood vessel injuries.