A nurse is caring for a client who has heart failure and a prescription for digoxin 125 mcg PO daily. Available is digoxin PO 0.25 mg/tablet. How many tablets should the nurse administer per dose? (Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.)
The Correct Answer is ["0.5"]
Let's convert the digoxin dosage from mcg (micrograms) to mg (milligrams) and then divide it by the amount of digoxin per tablet to find out how many tablets are needed.
Steps to solve:
- Convert digoxin dose from mcg to mg:
- We know 1 mg is equal to 1000 mcg.
- Digoxin dose (mg) = Digoxin dose (mcg) / 1000 mcg/mg
- Digoxin dose (mg) = 125 mcg / 1000 mcg/mg
- Digoxin dose (mg) = 0.125 mg
- Calculate the number of tablets required:
- Number of tablets = Digoxin dose (mg) / Digoxin per tablet (mg)
- Number of tablets = 0.125 mg / 0.25 mg/tablet
Since the result is 0.5, we need to round to the nearest tenth.
Answer: The nurse should administer 0.5 tablets per dose.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. Rotate assignment of daily caregivers: Consistency in caregivers is important for individuals with Alzheimer's disease to build trust and rapport. Rotating caregivers frequently may disrupt the client's routine and lead to increased confusion and anxiety.
B. Provide an activity schedule that changes from day to day: Consistency and routine are beneficial for individuals with Alzheimer's disease as they provide structure and predictability. A consistent activity schedule helps the client feel more secure and can reduce agitation and behavioral issues.
C. Limit time for the client to perform activities: While it may be necessary to pace activities based on the client's abilities and fatigue level, arbitrarily limiting time for the client to perform activities can be counterproductive. Instead, individualizing the pace of activities based on the client's preferences and abilities is more beneficial.
D. Talk the client through tasks one step at a time: Individuals with Alzheimer's disease often experience cognitive impairment, including difficulty with memory, attention, and problem-solving. Breaking tasks down into manageable steps and providing clear, simple instructions can help the client understand and complete activities of daily living more effectively. This intervention supports the client's independence and reduces frustration.
Correct Answer is A
Explanation
A. "I will be sure to take the albuterol before taking the cromolyn": Taking albuterol before cromolyn is the correct sequence because albuterol is a bronchodilator that helps open the airways quickly, while cromolyn is a mast cell stabilizer that helps prevent asthma symptoms. Taking albuterol first allows for better penetration of cromolyn into the airways. Therefore, this statement indicates an understanding of the appropriate sequence for using the medications.
B. "I will use both medications immediately after exercising": While it is essential to use albuterol before exercise to prevent exercise-induced bronchospasm, using cromolyn immediately after exercise is not typically indicated. Cromolyn is more effective when used prophylactically to prevent asthma attacks triggered by allergens or exercise rather than as an acute rescue medication.
C. "If my breathing begins to feel tight, I will use the cromolyn immediately": Cromolyn is not indicated for the immediate relief of acute bronchospasm. It works best when used regularly to prevent asthma symptoms rather than as a rescue medication during an asthma attack. Albuterol is the appropriate choice for immediate relief of tightness or wheezing.
D. "I will administer the medications 10 minutes apart": While it's important to space out the administration of different medications to ensure proper absorption and effectiveness, the specific timing between albuterol and cromolyn may vary based on individual instructions from the healthcare provider. Generally, it's recommended to take albuterol first, followed by cromolyn after a brief interval.
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