A nurse is preparing to administer digoxin to a 6-month-old infant. Prior to 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?
The Correct Answer is ["90"]
The nurse should withhold the dose if the infant's apical heart rate is less than 90 beats per minute.
Digoxin is a medication that can slow the heart rate. If an infant's heart rate is already too slow, administering digoxin can increase the risk of bradycardia, a serious heart rhythm disturbance.
It's important to monitor the apical heart rate for a full minute before administering digoxin to an infant and to withhold the dose if the heart rate is below the specified threshold.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["800"]
Explanation
The Parkland formula is commonly used to calculate the fluid requirements for burn resuscitation. The formula is:
Fluid requirement (in mL)=TBSA×Weight (in kg)×Fluid volume (in mL/kg)
For burn patients, the recommended fluid volume is typically 4 mL/kg for each percent of TBSA burned.
Let's calculate the fluid requirement for the given case:
Fluid requirement=40%×22 lbs×4 mL/kg
First, convert the weight from pounds to kilograms:
Weight (in kg)= Weight (in lbs)/2.2
Weight (in kg)=22 lbs/2.2≈10 kg
Now, calculate the fluid requirement:
Fluid requirement=40% x 10 kg × 4 mL/kg
Fluid requirement=1600mL(totalfluidover24hours)
Fluid for the first 8 hours:
1600/2=800ml
Thus, the child will receive 800 mL of fluid in the first 8 hours after the burn injury.
Correct Answer is C
Explanation
A. Meningococcal polysaccharide vaccine
Explanation: Meningococcal vaccine is recommended for adolescents, particularly before starting college, as it helps protect against meningococcal disease. The conjugate form of the vaccine is usually preferred over the polysaccharide form.
B. Pneumococcal polysaccharide vaccine
Explanation: Pneumococcal vaccine is generally recommended for older adults and individuals with specific medical conditions, but it may not be part of routine immunizations for healthy adolescents.
C. Influenza vaccine
Explanation:
Influenza vaccine is recommended annually for adolescents as part of routine immunizations. It helps protect against the seasonal flu, which can cause significant illness and complications.
D. Bacille Calmette-Guerin (BCG) vaccine
Explanation: BCG vaccine is primarily used in some countries to prevent tuberculosis. It is not routinely administered in the United States as part of standard immunization schedules for adolescents.
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