A nurse is assessing a client who has started taking theophylline. Which of the following client findings should indicate to the nurse that the medication is effective?

Increased blood pressure

Decreased wheezing

Decreased urine output

Increased level of consciousness

Answer and Explanation

The Correct Answer is B

- Theophylline is used in the management of asthma and COPD which present with wheezing and respiratory distress. COPD is characterized by chronic inflammation of the airway and increased mucus secretion leading to obstruction of airflow. Theophylline stimulates the respiratory centers to increase ventilation.

A- No effect on blood pressure C- increases urine output

D-Theophylline is a CNS stimulant

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Correct Answer is A

Explanation

PT measures the time it takes for blood to clot, and it is particularly relevant for clients taking warfarin because warfarin works by inhibiting the synthesis of certain clotting factors, including factors II, VII, IX, and X, which are involved in the PT pathway. Monitoring PT levels helps ensure that the client is receiving an appropriate dose of warfarin to prevent clot formation without causing excessive bleeding.
B. Total iron-binding capacity (TIBC) is a test used to assess iron levels in the blood and is unrelated to warfarin therapy.
C. WBC (White Blood Cell count) is a test used to assess the number of white blood cells in the blood and is unrelated to warfarin therapy.
D. PTT (Partial Thromboplastin Time) is a test used to evaluate the intrinsic and common pathways of the coagulation cascade. It is used in the monitoring of heparin anticoagulant therapy. It is not typically used to monitor warfarin therapy

A. "This medication will not interfere with the effectiveness of oral contraceptives." B. "You should take this medication once each day at bedtime." C. 'You can continue to wear soft contact lenses while taking this medication." D. 'Your urine will turn orange while you are taking this medication."

Correct Answer is D

Explanation

Rifampin, an antibiotic used to treat bacterial infections, can cause a reddish-orange discoloration of body fluids, including urine. This color change is due to the presence of rifampin metabolites, which are eliminated through the urine. The discoloration is a harmless side effect and is considered normal while taking the medication. It causes decreased effectiveness of oral contraceptives

A- Rifampin is an enzyme inducer that increases the rate of metabolism of oral contraceptive pills.

This leads to subtherapeutic levels that increases the risk of pregnancy.

B- The prescription may vary

C- Rifampin causes staining of contact lens and should, therefore, be avoided

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A nurse is assessing a client who has started taking theophylline. Which of the following client findings should indicate to the nurse that the medication is effective?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A nurse is preparing to administer a scheduled dose of warfarin to a client. Which of the following laboratory tests should the nurse review prior to administration?

Correct Answer is A

Explanation

A nurse is providing teaching to a client who has a new prescription for rifampin. Which of the following statements should the nurse include in the teaching?

Correct Answer is D

Explanation

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