Which statement is a nutritional requirement for pregnancy?
A. Folic acid should be avoided due to toxicity. It can cause birth defects, especially those concerning neural development.
B. Calcium is necessary for bone development in the fetus and bone maintenance in the mother.
C. Iron should be avoided as it is toxic to the developing fetus.
D. Fat is vitally important for fetal growth during the second and third trimester.
Answer: B
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A) ?An ovary releases an ovum. B) ?The endometrium begins to shed. C) ?FSH is released from the pituitary gland. D) ?A mature follicle ruptures.
Which of the following is most influential in maintaining pH balance in the body?
A. O2 levels in the alveolar air spaces B. CO2 levels in the alveolar air spaces C. O2 levels in the blood D. Stretch receptors E. CO2 levels in the blood
What is the function of the serous fluid?
A) increase friction B) reduce friction C) supplies nutrients to the organs D) absorb shock when the organs move
Phospholipids have a hydrophobic region (the "head") and a hydrophilic region (fatty acid chains, or nonpolar "tails")
Indicate whether the statement is true or false