A nurse assessing a newborn knows that the most critical ...

[rayancarla1]

A nurse assessing a newborn knows that the most critical physiologic change required of the newborn is:
 
  1. closure of fetal shunts in the circulatory system.
  2. full function of the immune defense system at birth.
  3. maintenance of a stable temperature.
  4. initiation and maintenance of respirations.

Question 2

What important immediate postoperative care practice should the nurse remember when caring for a woman who has had a mastectomy?
 
  1. Do not apply the blood pressure cuff to the affected arm.
  2. It is best to perform venipuncture for bloodwork on the affected arm.
  3. It is best to use the affected arm for IV therapy.
  4. The affected arm should be held down close to the woman's side.

[wtf444]

Answer to Question 1

4
1. Incorrect. The cardiovascular system changes markedly after birth as a result of fetal res-piration that reduces pulmonary vascular resistance to the pulmonary blood flow and initiates a chain of cardiac changes supporting the cardiovascular system.
2. Incorrect. The infant relies on passive immunity received from the mother for the first 3 months of life.
3. Incorrect. Following the establishment of respirations, heat regulation is critical to new-born survival.
4. Correct. The most critical adjustment of a newborn at birth is the establishment of respi-rations.

Answer to Question 2

1
1. Correct. The affected arm should not be used for BP readings, IV therapy, or venipunc-ture.
2. Incorrect. The affected arm should not be used for BP readings, IV therapy, or venipunc-ture.
3. Incorrect. The affected arm should not be used for BP readings, IV therapy, or venipunc-ture.
4. Incorrect. The affected arm should be elevated with pillows above the level of the right atrium.