What is the most dangerous side effect of anti-neoplastic drugs?
Alopecia
Electrolyte imbalance
Bone marrow suppression
Nausea and vomiting
The Correct Answer is C
Rationale:
A. Hair loss is a common and visible side effect of many anti-neoplastic drugs, but it is not life-threatening. While it can affect self-esteem and quality of life, it does not endanger the patient’s health.
B. Electrolyte imbalances can occur due to chemotherapy, vomiting, or tumor lysis syndrome, and they require monitoring and correction. However, they are usually manageable with fluids and medications and are not the primary life-threatening risk of anti-neoplastic therapy.
C. Bone marrow suppression (myelosuppression) is the most dangerous side effect of anti-neoplastic drugs because it reduces the production of white blood cells, increasing the risk of infection; red blood cells, causing anemia and decreased oxygen delivery; and platelets, increasing the risk of bleeding. Severe myelosuppression can result in life-threatening infections, hemorrhage, or hypoxia, making it the most critical adverse effect to monitor and manage.
D. Although common and distressing, nausea and vomiting are generally manageable with modern antiemetics and are rarely directly life-threatening.
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Related Questions
Correct Answer is B
Explanation
Rationale:
A. Applying oils directly to the stoma is unsafe and can irritate the skin or damage the stoma tissue. Essential oils are not recommended for odor control in colostomy care.
B. Emptying the colostomy pouch before it becomes too full helps prevent gas buildup and bacterial overgrowth, which are the primary causes of odor. This is a safe and effective strategy to control odor and maintain hygiene.
C. Ventilating the bathroom may help with room air quality, but it does not address the source of odor, which comes from the stoma and pouch. Proper pouch management is more effective than relying on ventilation alone.
D. High-fiber foods are important for nutritional balance and bowel function. While certain foods can contribute to gas or odor, eliminating fiber entirely is unnecessary and potentially harmful. Patients are usually taught which specific foods may increase odor rather than avoiding fiber altogether.
Correct Answer is C
Explanation
Rationale:
A. Bone marrow stimulants do not affect how chemotherapy is absorbed or distributed in the bones. Their purpose is not related to drug delivery, so this option is incorrect.
B. These medications do not directly strengthen bone tissue. While cancer can weaken bones, bone marrow stimulants focus on blood cell production, not bone density. Treatments for bone strengthening might include bisphosphonates or calcium/vitamin D supplementation, which are different from marrow stimulants.
C. Bone marrow stimulants, also called colony-stimulating factors (CSFs), are used to increase the production of white blood cells in the bone marrow. This helps boost the immune system, particularly neutrophils, which are often reduced by chemotherapy (neutropenia). Enhancing white blood cell counts reduces infection risk and supports the patient’s ability to tolerate cancer treatment safely.
D. Bone marrow stimulants cannot prevent chemotherapy-induced damage to the marrow. They work after damage occurs to stimulate blood cell production but do not provide protection or shielding against chemotherapy toxicity.
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