A nurse is preparing to administer digoxin to a 6-month-old infant. Before administering the dose, the nurse measures the apical heart rate.

The nurse should withhold the dose if the infant’s apical heart rate is less than what rate? .

Answer and Explanation

The Correct Answer is ["90"]

The correct answer is less than 90 beats per minute.

Step 1 is to understand the guidelines for administering digoxin to infants. According to the American Academy of Pediatrics, the nurse should withhold the dose if the infant’s apical heart rate is less than 90 beats per minute.

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Correct Answer is ["A","B","C","D"]

Explanation

Choice A rationale
Flushing and sweating can be an indication of magnesium sulfate toxicity. Magnesium sulfate is a medication used to prevent seizures in women with severe preeclampsia. However, if the levels of magnesium become too high, it can lead to toxicity15.
Choice B rationale
A decreased level of consciousness can be an indication of magnesium sulfate toxicity. High levels of magnesium can affect the central nervous system, leading to drowsiness, lethargy, and decreased responsiveness15.
Choice C rationale
Urinary output less than 30 mL/hr can be an indication of magnesium sulfate toxicity. Magnesium sulfate can affect kidney function, leading to decreased urine output15.
Choice D rationale
Respirations fewer than 12/min can be an indication of magnesium sulfate toxicity. High levels of magnesium can depress the respiratory system, leading to slow or shallow breathing15.

A. “This test will indicate if your child has rheumatic fever.”. B. “This test will confirm if your child had a recent streptococcal infection.”. C. “This test will indicate if your child has a therapeutic blood level of an aminoglycoside.”. D. “This test will confirm if your child has immunity to streptococcal bacteria.”.

Correct Answer is B

Explanation

Choice A rationale
While an ASO titer test can be used in the diagnosis of rheumatic fever, it does not directly indicate if a child has rheumatic fever. Rheumatic fever is a complication that can occur after a streptococcal infection, and it involves multiple systems in the body, not just the presence of streptococcal antibodies.
Choice B rationale
An ASO titer test measures the antibodies produced by your body in response to a toxin known as streptolysin O, which is produced by group A Streptococcus (GAS) bacteria. Your body makes the antistreptolysin O antibodies when you have a strep infection caused by GAS bacteria. Therefore, a positive ASO titer test can confirm if your child had a recent streptococcal infection.
Choice C rationale
An ASO titer test does not measure the blood level of an aminoglycoside or any other therapeutic drug. Aminoglycosides are a class of antibiotics used to treat bacterial infections, and their levels in the blood are typically monitored with specific drug level tests, not an ASO titer.
Choice D rationale
An ASO titer test does not confirm if your child has immunity to streptococcal bacteria. The presence of ASO antibodies indicates a recent infection, but it does not provide information about the immune status or protection against future infections.

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A nurse is preparing to administer digoxin to a 6-month-old infant. Before administering the dose, the nurse measures the apical heart rate. The nurse should withhold the dose if the infant’s apical heart rate is less than what rate? .

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Naxlex Comprehensive Predictor Exams

A nurse is administering magnesium sulfate IV to a client with severe preeclampsia for seizure prophylaxis. Which of the following are indications of magnesium sulfate toxicity? (Select all that apply.)

Correct Answer is ["A","B","C","D"]

Explanation

A nurse is caring for a child who was admitted with suspected rheumatic fever. The provider prescribes an anti-streptolysin O (ASO) titer. The parent asks the nurse the purpose of the test. What should the nurse respond?

Correct Answer is B

Explanation

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A nurse is preparing to administer digoxin to a 6-month-old infant. Before administering the dose, the nurse measures the apical heart rate.

The nurse should withhold the dose if the infant’s apical heart rate is less than what rate? .