Nursing Elites

1. After a discussion with the health care provider, the parents of an infant with patent ductus arteriosus (PDA) ask the nurse to explain once again what PDA is. How should the nurse respond?

• A. The diameter of the aorta is enlarged.
• B. The wall between the right and left ventricles is open.
• C. It is a narrowing of the entrance to the pulmonary artery.
• D. It is a connection between the pulmonary artery and the aorta.

Correct answer: D

Rationale: The correct answer is D: 'It is a connection between the pulmonary artery and the aorta.' Patent ductus arteriosus (PDA) is an abnormal connection between the pulmonary artery and the aorta, which normally closes after birth. Choices A, B, and C describe different cardiac conditions and do not accurately define PDA. Choice A is incorrect because PDA does not involve the diameter of the aorta being enlarged. Choice B is incorrect because PDA does not involve the wall between the right and left ventricles being open. Choice C is incorrect because PDA is not a narrowing of the entrance to the pulmonary artery.

2. An additional defect is associated with exstrophy of the bladder. For what anomaly should the nurse assess the infant?

• A. Imperforate anus
• B. Absence of one kidney
• C. Congenital heart disease
• D. Pubic bone malformation

Correct answer: D

Rationale: The correct answer is D: Pubic bone malformation. Exstrophy of the bladder is commonly associated with pubic bone malformation as the condition involves a defect in the pelvic region. Imperforate anus, absence of one kidney, and congenital heart disease are not typically associated with exstrophy of the bladder, making them incorrect choices. Therefore, the nurse should primarily assess the infant for pubic bone malformation in this case.

3. What should be the focus of nursing activity for the mother of an 8-year-old girl with a broken arm, who is the nurturer in the family?

• A. Teaching proper care procedures
• B. Dealing with insurance coverage
• C. Determining the success of treatment
• D. Transmitting information to family members

Correct answer: A

Rationale: The correct answer is A: Teaching proper care procedures. In this scenario, focusing on teaching the mother proper care procedures is crucial as she is the nurturer in the family and will likely be the primary caregiver for the child. This will empower her to provide appropriate care and support for her daughter during the recovery process. Choices B, C, and D are not the most appropriate activities for the mother in this situation. Dealing with insurance coverage, determining treatment success, and transmitting information to family members are important but not as directly relevant to the immediate care needs of the child's broken arm.

4. What explanation should the nurse give a parent about the purpose of a tetanus toxoid injection for their child?

• A. Passive immunity is conferred temporarily.
• B. Long-lasting active immunity is conferred.
• C. Lifelong active natural immunity is conferred.
• D. Passive natural immunity is conferred temporarily.

Correct answer: B

Rationale: The correct answer is B: Long-lasting active immunity is conferred. Tetanus toxoid injection works by stimulating the child's body to produce its antibodies, providing long-lasting active immunity. Choice A is incorrect because passive immunity is not conferred for life; it is temporary and involves receiving antibodies rather than producing them internally. Choice C is incorrect as the immunity conferred by the tetanus toxoid injection is not lifelong natural immunity but rather active immunity stimulated by the body's immune response. Choice D is also incorrect since passive natural immunity is not conferred by the tetanus toxoid injection, and it is not temporary.

5. When teaching a class about trisomy 21, the instructor would identify the cause of this disorder as:

• A. nondisjunction.
• B. X-linked recessive inheritance.
• C. genomic imprinting.
• D. autosomal dominant inheritance.

Correct answer: A

Rationale: The correct answer is A: nondisjunction. Trisomy 21, also known as Down syndrome, is caused by nondisjunction, which is an error in cell division leading to an extra copy of chromosome 21. This additional genetic material alters the course of development and causes the characteristics associated with Down syndrome. Choices B, C, and D are incorrect. X-linked recessive inheritance refers to genetic disorders carried on the X chromosome, genomic imprinting involves gene expression based on parental origin, and autosomal dominant inheritance relates to disorders caused by a dominant gene on one of the non-sex chromosomes. In the case of trisomy 21, the cause is specifically related to the error in chromosome division, making nondisjunction the most appropriate answer.

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