A young client with cystic fibrosis (CF) is on dornase alfa. What does the nurse teach about the action of this medication?
Relieves nasal congestion
Decreases thick secretions
Decreases pain
Suppresses cough
The Correct Answer is B
A. Relieves nasal congestion
Dornase alfa is not used to relieve nasal congestion. It is specifically designed to address the thick, sticky mucus that can accumulate in the airways of individuals with cystic fibrosis (CF).
B. Decreases thick secretions
This is the correct answer. Dornase alfa is known for its ability to decrease the viscosity of thick secretions in the airways of individuals with CF. By breaking down the DNA within the mucus, it helps to thin and improve the clearance of the mucus.
C. Decreases pain
Dornase alfa is not primarily used to decrease pain. Its main action is related to improving respiratory function by reducing the thickness of mucus, which can help ease breathing difficulties associated with CF.
D. Suppresses cough
Dornase alfa is not used to suppress cough. In fact, it may increase coughing initially as it facilitates the loosening and clearance of mucus from the airways.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["C"]
Explanation
A. Remove the intravenous catheter.
While removing the intravenous catheter is an important step, the immediate priority in cases of extravasation is to stop the infusion to prevent further leakage into the surrounding tissues. After stopping the infusion, the catheter can be carefully removed.
B. Pack the intravenous site with ice.
Cold compresses or ice packs are sometimes used in the management of certain types of extravasation to help reduce local swelling and vasoconstriction. However, the immediate priority is to stop the infusion (Choice C). After that, specific interventions, such as warm or cold compresses, may be employed based on the specific chemotherapy agent involved.
C. Stop the intravenous infusion.
This is the correct answer. Stopping the infusion is the first and most immediate action to prevent further leakage of the chemotherapy drug into the surrounding tissues, reducing the risk of tissue damage and adverse effects.
D. Attempt to aspirate residual medication from the patient’s vein.
While aspirating residual medication may be part of the overall management of extravasation, it is not the first action. The priority is to stop the infusion to prevent further damage. After stopping the infusion, the nurse may assess the situation and determine whether aspirating residual medication is appropriate.
Correct Answer is D
Explanation
. because many chemotherapy patients require blood transfusions:
While some chemotherapy patients may require blood transfusions, this is not the primary reason for using intravenous ports, central lines, or peripherally inserted central lines.
B. because many chemotherapy patients need long-term intravenous access:
Long-term intravenous access may be needed for some chemotherapy patients, but the critical consideration is the vesicant nature of many chemotherapy drugs.
C. because chemotherapy patients have frequent blood draws orders:
Frequent blood draws may be necessary for monitoring purposes, but the primary reason for using specialized lines in chemotherapy patients is to administer the drugs safely.
D. because many chemotherapeutic drugs are vesicants:
The primary reason for using intravenous ports, central lines, or peripherally inserted central lines in chemotherapy patients is to administer chemotherapy drugs directly into large veins. Many chemotherapeutic drugs are vesicants, meaning they can cause severe damage to tissues if they leak into the surrounding areas. These specialized lines allow for the safe and controlled administration of chemotherapy drugs, reducing the risk of extravasation (leakage into surrounding tissues).
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