An infant is prescribed digoxin. What should the nurse explain to the parents regarding the action of this medication?
Slows and strengthens the heartbeat
Prevents subacute bacterial endocarditis
Thickens the walls of the myocardium
Increases the heart rate
The Correct Answer is A
A. Slows and strengthens the heartbeat: Digoxin works by slowing the heart rate and increasing the force of the heart’s contractions. This helps improve cardiac output and is used to treat heart failure and certain types of arrhythmias in infants.
B. Prevents subacute bacterial endocarditis: Digoxin does not prevent subacute bacterial endocarditis. Antibiotics are typically used to prevent endocarditis, not digoxin. Digoxin's action is focused on regulating heart function rather than preventing infections.
C. Thickens the walls of the myocardium: Digoxin does not affect the thickness of the myocardial walls. Its primary action is to improve the heart's pumping efficiency by increasing the strength of contractions and controlling the heart rate.
D. Increases the heart rate: Digoxin slows the heart rate, which is useful for treating conditions like tachycardia. It does not increase the heart rate.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. Heartburn: Heartburn is a common issue during pregnancy, especially as the pregnancy progresses, due to hormonal changes and pressure from the growing uterus. While uncomfortable, it is not a danger sign requiring immediate medical attention.
B. Vaginal bleeding: Vaginal bleeding is a serious concern during pregnancy, especially in the first and second trimesters. It can indicate complications such as a miscarriage, ectopic pregnancy, or placental abruption. It is important to call the healthcare provider immediately if any vaginal bleeding occurs.
C. Fatigue: Fatigue is a common symptom during pregnancy, particularly in the first and third trimesters, due to hormonal changes, increased blood volume, and the body's efforts to support fetal growth. It is generally not a reason to call the office immediately.
D. Once daily emesis upon awakening: Vomiting, especially in the early stages of pregnancy, is common and may be related to morning sickness. While it can be uncomfortable, occasional vomiting in the morning does not typically require immediate medical attention unless it becomes severe or persistent.
Correct Answer is C
Explanation
A. Prevention of oral infection: While oral infection prevention is important, the main concern for a newborn with cleft lip and palate is ensuring proper nutrition. Difficulty with feeding due to the cleft requires immediate intervention to ensure adequate nourishment before surgery.
B. Visual stimulation: Visual stimulation is beneficial for infant development but is not the primary focus in preoperative care for a newborn with a cleft lip and palate. The priority is addressing feeding challenges that affect the baby’s nutritional intake.
C. Nutrition: Infants with cleft lip and palate often struggle with feeding, making proper nutrition the most critical concern. Special feeding techniques are needed to ensure the infant receives enough nourishment before surgery to promote growth and health.
D. Prevention of pneumonia: Although preventing pneumonia is essential, the immediate focus for a newborn with cleft lip and palate is ensuring adequate nutrition. Nutritional support is necessary to maintain overall health and reduce the risk of complications, including pneumonia.
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