A patient is prescribed ondansetron before cytotoxic chemotherapy. What is the main action of this medicine?
Correct answer: A. It blocks serotonin receptors involved in vomiting
- A. It blocks serotonin receptors involved in vomiting
- B. It stimulates bowel movement to remove toxins
- C. It neutralises stomach acid after chemotherapy
- D. It destroys malignant cells by inhibiting mitosis
Explanation
Ondansetron is a 5-HT3 receptor antagonist that helps prevent chemotherapy-induced nausea and vomiting. It is not an anticancer drug or an antacid, and constipation can occur as an adverse effect rather than being its therapeutic purpose.
Report an error
The more specific you are, the faster it gets fixed. A source beats an opinion.
Prefer email? support@testustad.com
About Oncology Nursing
Covers cancer biology, tumour staging, common malignancies and nursing care during surgery, chemotherapy, radiotherapy, immunotherapy and palliative treatment. It includes managing nausea, pain, fatigue, mucositis, neutropenia and extravasation, while distinguishing expected treatment effects from dangerous complications requiring urgent action.
Practise Oncology Nursing
50 free Oncology Nursing MCQs from Medical Surgical Nursing, each with the correct answer and an explanation. Unlimited attempts, no account needed.
Discussion
Stuck on an option, or know a faster way to get there? Ask or explain it here.
No comments yet. Be the first to explain this one.
Exams that ask Medical Surgical Nursing questions like this
Medical Surgical Nursing is on 8 papers prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for every one of them.
More Oncology Nursing questions
Which statement correctly distinguishes palliative care from hospice care?
A patient receiving an immune checkpoint inhibitor develops yellow skin, dark urine and marked loss of appetite. Which action is most appropriate?
A patient taking tamoxifen for breast cancer reports sudden swelling and pain in one calf. What should the nurse do first?
A patient receiving chemotherapy asks about expected hair loss. Which statement shows correct understanding?