Which of the following substances is not likely to cross a placenta?
A. An ionized or water-soluble substance
B. Tetracycline
C. Nicotine
D. Alcohol
a
Rationale: Ionized or water-soluble substances are not likely to cross the placenta. The "placental barrier" usually allows fat-soluble chemicals to cross.
Health Professions
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Which of the following is one of the three processes by which chemicals can pass into and through a material?
a. Infiltration b. Permeation c. Absorption d. Impregnation
Health Professions
Peripheral vision provides essential information during a discus throw.
Answer the following statement true (T) or false (F)
Health Professions