Nursing Elites

1. The healthcare professional is preparing a presentation to a local community group about genetic disorders and the types of congenital anomalies that can occur. What would the professional include as a major congenital anomaly?

• A. Overlapping digits
• B. Polydactyly
• C. Umbilical hernia
• D. Cleft palate

Correct answer: D

Rationale: Cleft palate is considered a major congenital anomaly due to its significant impact on feeding, speech, and overall health. Overlapping digits (Option A) are a physical anomaly but not typically considered a major congenital anomaly. Polydactyly (Option B) refers to having extra fingers or toes, which is a congenital anomaly but not as major as a cleft palate. Umbilical hernia (Option C) involves a protrusion of abdominal contents through the umbilical ring but is not typically classified as a major congenital anomaly compared to cleft palate.

2. A nurse is caring for an infant with phenylketonuria (PKU). What diet should the nurse anticipate will be ordered by the healthcare provider?

• A. Fat-free
• B. Protein-enriched
• C. Phenylalanine-free
• D. Low-phenylalanine

Correct answer: D

Rationale: A low-phenylalanine diet is necessary for infants with PKU because it helps prevent the accumulation of phenylalanine, which can result in brain damage. Fat-free (Choice A) and protein-enriched (Choice B) diets are not specifically indicated for PKU. While phenylalanine-free (Choice C) may seem logical, complete elimination of phenylalanine is not practical or safe as it is an essential amino acid. Therefore, the correct choice is a low-phenylalanine diet, which restricts phenylalanine intake to a safe level.

3. What explanation should be given to a parent about the purpose of a tetanus toxoid injection for their child?

• A. Passive immunity is conferred for life.
• 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 provides long-lasting active immunity by stimulating the body to produce its own antibodies. Choice A is incorrect because tetanus toxoid injection does not provide passive immunity. Choice C is incorrect because the immunity conferred by the vaccine is not natural but artificially induced. Choice D is incorrect as the immunity provided by the tetanus toxoid injection is active, not passive.

4. 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: Trisomy 21, also known as Down syndrome, is caused by nondisjunction, which is an error in cell division that leads to the presence of an extra chromosome 21. This additional chromosome alters the normal genetic makeup, resulting in the characteristics associated with Down syndrome. Therefore, the correct answer is nondisjunction (Choice A). Choices B, C, and D are incorrect because Trisomy 21 is not caused by X-linked recessive inheritance, genomic imprinting, or autosomal dominant inheritance. Understanding the specific genetic mechanism involved in Trisomy 21 is crucial for grasping the basis of this chromosomal disorder.

5. The caregiver is teaching the mother of a toddler about burn prevention. Which response by the mother indicates a need for further teaching?

• A. We will leave fireworks displays to the professionals.
• B. I will set our water heater at 130 degrees.
• C. All sleepwear should be flame retardant.
• D. The handles of pots on the stove should face inward.

Correct answer: B

Rationale: The correct answer is B. Setting the water heater at 130 degrees is incorrect because water heaters should be set to no higher than 120 degrees to prevent scald burns. Choice A is correct as leaving fireworks displays to professionals reduces the risk of burns. Choice C is also correct as flame-retardant sleepwear reduces the risk of burn injuries. Choice D is correct as keeping pot handles facing inward prevents accidental spills and burns.

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