A 54 year old client is admitted with an exacerbation of COPD. The patient weighs 95kg. The healthcare provider orders theophylline IV per protocol: Loading dose 6 mg/kg. The pharmacy sends you 250 mg/10 ml of theophylline.
Calculate the ml for the loading dose of theophylline.
The Correct Answer is ["22.8"]
Calculation:
- Calculate the total dose in milligrams (mg) for the client's weight.
Total dose (mg) = Patient weight (kg) x Ordered dose (mg/kg)
= 95 kg x 6 mg/kg
= 570 mg.
Available concentration = 250 mg / 10 mL
= 25 mg/mL.
- Calculate the volume to administer in milliliters (mL).
Volume to administer (mL) = Total dose (mg) / Available concentration (mg/mL)
= 570 mg / 25 mg/mL
= 22.8 mL.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
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Correct Answer is D
Explanation
A. Pancreatic enzymes: These values are primarily monitored in conditions affecting the pancreas, such as pancreatitis or pancreatic cancer. They are not the priority lab values to monitor in a client receiving chemotherapy.
B. Helicobacter pylori results: H. pylori testing is important for gastrointestinal disorders such as peptic ulcers or gastric cancer risk, but it is not a relevant or routine diagnostic value to monitor during chemotherapy treatment.
C. Kidney function values: Kidney function is important when chemotherapy agents are nephrotoxic, but monitoring kidney function is not as consistently crucial as monitoring bone marrow suppression, which occurs universally with many chemotherapy agents.
D. Cells produced in the bone marrow: Chemotherapy suppresses bone marrow activity, leading to decreased production of white blood cells, red blood cells, and platelets. Monitoring these values is essential to detect infection risk, anemia, or bleeding tendencies.
Correct Answer is A
Explanation
A. Non-adherence to medications: Antipsychotic medications are essential for symptom control, and missing doses or discontinuing treatment often leads to exacerbation of psychotic symptoms and the need for hospitalization.
B. Non-attendance of treatment programs: While skipping therapy or support groups can negatively affect progress, it is not the main cause of relapse. Medication adherence remains the most critical component in preventing symptom recurrence and maintaining stability.
C. Lack of social activities: Social isolation can worsen negative symptoms and impact overall quality of life, but it does not directly cause acute relapse requiring hospitalization. The client may remain stable on medications even with limited social interactions.
D. Substance use to self medicate: Substance use can complicate treatment and increase relapse risk, but it is not the primary factor. Even clients without substance use issues frequently relapse if they stop taking prescribed antipsychotics.
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