The nurse is visiting a new mother who has been home with a new infant for 4 days. Which observation indicates that the mother's home environment was inadequately assessed prior to being discharged from the hospital?

The baby sleeps with the mother in bed.

The windows are covered with screens.

The kitchen has a refrigerator.

The baby has a changing area.

Answer and Explanation

The Correct Answer is A

The baby sleeps with the mother in bed. This is because sleeping with the baby in the same bed increases the risk of sudden infant death syndrome (SIDS), suffocation, strangulation, and entrapment. The nurse should have assessed the mother’s sleeping arrangements for the baby and provided education on safe sleep practices before discharge. The nurse should advise the mother to place the baby on a firm surface, such as a crib or bassinet, in the same room but not in the same bed as the mother.

Choice B is wrong because having windows covered with screens is not a sign of inadequate home assessment. Screens can help prevent insects and other animals from entering the home and posing a health hazard.

Choice C is wrong because having a refrigerator in the kitchen is not a sign of inadequate home assessment. A refrigerator can help store food and breast milk safely and prevent spoilage and contamination.

Choice D is wrong because having a changing area for the baby is not a sign of inadequate home assessment. A changing area can help keep the baby clean and comfortable and prevent diaper rash and infection.

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Correct Answer is B

Explanation

The foramen ovale closes, preventing blood exchange from right to left in the heart. This is because the foramen ovale is a fetal shunt that allows blood to bypass the lungs and flow from the right atrium to the left atrium. After birth, when the baby starts to breathe air, the lungs expand and the pulmonary resistance decreases. This causes an increase in blood flow and pressure in the left atrium, which pushes the foramen ovale closed. This prevents blood from mixing between the right and left sides of the heart and allows oxygenated blood to circulate to the body¹².

Choice A is not correct because the ductus arteriosus does not expand to allow more blood to enter the lungs. The ductus arteriosus is another fetal shunt that

connects the pulmonary artery to the aorta. It allows blood to bypass the lungs and flow from the right ventricle to the aorta. After birth, when the baby starts to breathe air, the oxygen concentration in the blood increases and causes the ductus arteriosus to constrict and close. This increases blood flow to the lungs and decreases blood flow to the aorta.

Choice C is not correct because the umbilical vein that carried oxygenated blood in utero does not become the ascending aorta entering the right atrium. The umbilical vein is a fetal vessel that carries oxygenated blood from the placenta to the fetus. It connects to either the portal vein or the ductus venosus, which then drains into the inferior vena cava. After birth, when the umbilical cord is clamped and cut, the umbilical vein collapses and becomes a fibrous cord called ligamentum teres hepatis.

Choice D is not correct because the ductus venosus does not shunt oxygenated aortic blood to the lungs. The ductus venosus is another fetal vessel that connects the umbilical vein to the inferior vena cava. It allows some of the oxygenated blood from the placenta to bypass the liver and enter directly into the systemic circulation. After birth, when the umbilical cord is clamped and cut, the ductus venosus closes and becomes a fibrous cord called ligamentum venosum.

Correct Answer is {"dropdown-group-1":"B"}

Explanation

The Apgar score is a scoring system used by doctors and nurses to assess newborns one minute and five minutes after they are born. The score is based on five criteria: activity, pulse, grimace, appearance, and respiration, with each criterion receiving a score of 0 to 2 points.

If we apply this scoring system to the information provided, the newborn's 1- minute Apgar score would be:

Activity: 1 point (limbs flexed)

Pulse: 1 point (heart rate less than 100 beats per minute) Grimace: 1 point (facial movement/grimace with stimulation) Appearance: 1 point (body pink but extremities blue) Respiration: 1 point (irregular, weak crying)

The total score is 5 points, which is considered moderately abnormal.

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The nurse is visiting a new mother who has been home with a new infant for 4 days. Which observation indicates that the mother's home environment was inadequately assessed prior to being discharged from the hospital?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

When a newborn takes its first breath, what physical changes occur in the heart to increase oxygenation of the body?

Correct Answer is B

Explanation

Correct Answer is {"dropdown-group-1":"B"}

Explanation

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