Prior to giving digoxin, the practical nurse (PN) assesses that a 2-month-old infant's heart rate is 120 beats/minute. Based on this, what action should the PN take?
Administer the medication and alert the charge nurse
Hold the medication and document cardiac assessment
Administer the medication and document the heart rate
Hold the medication and recheck the heart rate in 1 hour
The Correct Answer is C
The correct answer and explanation is:
c) Administer the medication and document the heart rate.
This is the action that the PN should take prior to giving digoxin to a 2-month-old infant whose heart rate is 120 beats/minute. Digoxin is a cardiac glycoside that is used to treat heart failure and arrhythmias. It has a narrow therapeutic range and can cause serious side effects such as bradycardia, hypotension, and toxicity. Therefore, it is important to monitor the client's vital signs before and after administering the medication. A normal heart rate for a 2-month-old infant is 100–190 beats/minute, so 120 beats/minute is within the normal range and does not indicate a need to hold the medication. The PN should administer the medication as prescribed and document the heart rate and any other relevant findings.
a) Administer the medication and alert the charge nurse.
This is not the action that the PN should take prior to giving digoxin to a 2-month-old infant whose heart rate is 120 beats/minute. Alerting the charge nurse is not necessary, as the heart rate is normal and does not indicate a problem with the medication or the client's condition. The PN should administer the medication as prescribed and document the heart rate and any other relevant findings.
b) Hold the medication and document cardiac assessment.
This is not the action that the PN should take prior to giving digoxin to a 2-month-old infant whose heart rate is 120 beats/minute. Holding the medication is not appropriate, as the heart rate is normal and does not indicate a contraindication or a risk of adverse effects from the medication. The PN should administer the medication as prescribed and document the heart rate and any other relevant findings.
d) Hold the medication and recheck the heart rate in 1 hour.
This is not the action that the PN should take prior to giving digoxin to a 2-month-old infant whose heart rate is 120 beats/minute. Holding the medication and rechecking the heart rate in 1 hour is not necessary, as the heart rate is normal and does not indicate a need for further evaluation or intervention. The PN should administer the medication as prescribed and document the heart rate and any other relevant findings.
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Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Serum creatinine is the most important laboratory value to review before administering an antibiotic that can cause nephrotoxicity. Nephrotoxicity is an alteration in the function of the kidney due to exposure to certain drugs or toxins.
It can be assessed by measuring the glomerular filtration rate (GFR), which is the rate of clearance of a substance from the blood by the kidneys. Serum creatinine is a waste product of muscle metabolism that is freely filtered by the glomeruli and not reabsorbed or secreted by the tubules.
Therefore, it is a reliable indicator of GFR and renal function. An increase in serum creatinine indicates a decrease in GFR and renal function, which may be caused by nephrotoxic drugs.
The other laboratory values are not directly related to nephrotoxicity or GFR:
- Serum calcium: This may be affected by renal function, but it is not a sensitive or specific marker of nephrotoxicity. It may be altered by other factors such as vitamin D, parathyroid hormone, and bone metabolism.
- Hemoglobin and hematocrit: These may be affected by renal function, but they are not sensitive or specific markers of nephrotoxicity. They may reflect the erythropoietin production by the kidneys, which stimulates red blood cell production in the bone marrow. However, they may also be influenced by other factors such as blood loss, hydration status, and iron deficiency.
- White blood cell count (WBC): This is not related to nephrotoxicity or GFR. It may reflect the presence of infection or inflammation, which may be a cause or a consequence of renal impairment, but it is not a direct measure of renal function.

Correct Answer is B
Explanation
Choice A rationale:
Objective data. Rationale: Objective data are observable and measurable facts obtained through physical examination or diagnostic tests. The statement incorrectly labels the data as objective when it is, in fact, based on the client's feelings and perceptions, making it subjective.
Choice B rationale:
Subjective data. Rationale: Subjective data are information provided by the client, including their feelings, perceptions, and experiences. The statement correctly labels the data as subjective, as it reflects the client's report of thirst and hunger.
Choice C rationale:
Primary data. Rationale: Primary data are original data collected directly from the source, such as a client's medical history or interview. However, this classification does not address the nature of the data as being subjective or objective, so the statement does not provide a complete answer.
Choice D rationale:
Secondary data. Rationale: Secondary data are data obtained from sources other than the client, such as medical records or research studies. Similar to choice C, this classification does not address the nature of the data as being subjective or objective.
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