The nurse is holding a class for newly pregnant couples, and ...

[lindiwe]

The nurse is holding a class for newly pregnant couples, and discussing good and bad influences on their baby.
 
  Prenatal influences on the intrauterine environment include which of the following? Note: Credit will be given only if all correct choices and no incorrect choices are selected. Select all that apply. 1. The use of saunas or hot tubs
  2. The use of drugs
  3. The quality of the sperm or ovum
  4. Maternal nutrition
  5. Vitamins and folic acid

Question 2

At her first prenatal visit, a woman is discussing fetal development with the nurse. The client asks, When will my baby actually have a heartbeat? The nurse should say the heartbeat of an embryo is distinguishable by what time?
 
  1. The fourth week
  2. The sixth week
  3. The eighth week
  4. The twelfth week

[ErinKing]

Answer to Question 1

1,2,4,5
Rationale 1: The use of saunas or hot tubs is associated with maternal hyperthermia, and can cause CNS defects and failure of neural tube closure.
Rationale 2: The use of drugs can have teratogenic effects.
Rationale 3: The quality of the sperm or ovum will affect embryonic development but not necessarily affect the intrauterine environment.
Rationale 4: Maternal nutrition, if deficient, can cause damage to the fetus.
Rationale 5: Vitamins and folic acid taken prior to and during the pregnancy can have beneficial effects.

Answer to Question 2

1
Explanation: 1. By the end of the fourth week, embryonic blood is circulating between the embryo and the chorionic villi.

[lindiwe]

Gracias!

[kjohnson]

Excellent