Nursing Elites

1. The nurse is using the New Ballard Score to assess the gestational age of a newborn delivered 4 hours ago. The infant's gestational age is 33 weeks based on early ultrasound and last menstrual period. The nurse expects the infant to exhibit which of the following?

• A. Full sole creases, nails extending beyond the fingertips, scarf sign showing the elbow beyond the midline
• B. Testes located in the upper scrotum, rugae covering the scrotum, vernix covering the entire body
• C. Ear cartilage folded over, lanugo present over much of the body, slow recoil time
• D. 1 cm breast bud, peeling skin and veins not visible, rapid recoil of legs and arms to extension

Correct answer: C

Rationale: The correct answer is C. Ear cartilage folded over, lanugo present over much of the body, and slow recoil time are all characteristics of a preterm infant. A is incorrect because full sole creases, nails extending beyond the fingertips, and scarf sign showing the elbow beyond the midline are features of a term infant. B is incorrect as testes located in the upper scrotum, rugae covering the scrotum, and vernix covering the entire body are also indicative of a term infant. D is incorrect because a 1 cm breast bud, peeling skin and veins not visible, and rapid recoil of legs and arms to extension are characteristics seen in a more mature infant, not a preterm newborn.

2. Which statement best describes direct contact as a mode of pathogen transmission?

• A. Transmission through large aerosols produced by sneezing or coughing
• B. Transfer of an infectious agent by suspended air particles from a reservoir to a host
• C. Transmission of infectious agents carried by dust
• D. Transmission through skin-to-skin contact or body fluids

Correct answer: D

Rationale: Direct contact transmission occurs when pathogens are spread through skin-to-skin contact or body fluids. This mode of transmission includes activities like touching, kissing, or sexual contact where infectious agents can pass directly from one person to another. It does not involve large aerosols, suspended air particles, or dust as carriers of the pathogen.

3. When a father asks why his child with tetralogy of Fallot seems to favor a squatting position, the nurse would explain that squatting:

• A. Increases peripheral vascular resistance
• B. Decreases arterial blood flow away from the heart
• C. It's a common resting position when a child is tachycardic
• D. Increases the workload of the heart

Correct answer: A

Rationale: Squatting increases systemic vascular resistance, which leads to a reduction in the right-to-left shunting of blood in children with tetralogy of Fallot. This helps improve oxygenation by balancing the pulmonary and systemic blood flow. The squatting position decreases the pressure in the right ventricle and reduces the magnitude of the right-to-left shunt by increasing afterload, thereby improving oxygenation. Choices B, C, and D are incorrect because squatting does not decrease arterial blood flow away from the heart, is not related to being tachycardic, and does not increase the workload of the heart.

4. The nurse is preparing to administer erythromycin eye ointment to a newborn. The mother asks why this is necessary. What is the nurse's best response?

• A. It helps to prevent eye infections caused by bacteria in the birth canal.
• B. It protects the baby's eyes from bright lights in the delivery room.
• C. It prevents the development of jaundice.
• D. It helps the baby see more clearly after birth.

Correct answer: A

Rationale: Erythromycin eye ointment is administered to newborns to prevent eye infections caused by bacteria present in the birth canal. This ointment does not have a direct correlation with protecting the baby's eyes from bright lights, preventing jaundice, or improving the baby's vision clarity post-birth.

5. In contrast to the contractions associated with true labor, Braxton-Hicks contractions:

• A. generally follow rupture of the amniotic sac and occur with regularity.
• B. may be intensified by activity and are accompanied by a pink discharge.
• C. do not increase in intensity and are alleviated by a change in position.
• D. consistently become stronger and are not alleviated by changing position.

Correct answer: C

Rationale: Braxton-Hicks contractions are irregular and usually do not increase in intensity. Unlike true labor contractions, they tend to alleviate with a change in position, making option C the correct choice. Choices A, B, and D are incorrect because Braxton-Hicks contractions do not follow rupture of the amniotic sac, are not intensified by activity or accompanied by a pink discharge, and do not consistently become stronger or are not alleviated by changing position.

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