What is the purpose of administering diphenhydramine before a blood transfusion?
To expand the blood volume.
To enhance clotting factors.
To avoid fever and chills.
To prevent urticaria.
The Correct Answer is D
Choice A rationale
Diphenhydramine does not expand blood volume. It is an antihistamine used to prevent allergic reactions.
Choice B rationale
Diphenhydramine does not enhance clotting factors. It is used to manage allergic reactions.
Choice C rationale
While diphenhydramine can help manage fever and chills, its primary purpose before a blood transfusion is to prevent allergic reactions.
Choice D rationale
Administering diphenhydramine before a blood transfusion helps prevent urticaria and other allergic reactions by blocking histamine release. .
Free Nursing Test Bank
- Free Pharmacology Quiz 1
- Free Medical-Surgical Quiz 2
- Free Fundamentals Quiz 3
- Free Maternal-Newborn Quiz 4
- Free Anatomy and Physiology Quiz 5
- Free Obstetrics and Pediatrics Quiz 6
- Free Fluid and Electrolytes Quiz 7
- Free Community Health Quiz 8
- Free Promoting Health across the Lifespan Quiz 9
- Free Multidimensional Care Quiz 10
View Related questions
Correct Answer is B
Explanation
Choice A rationale
Timolol is a beta-blocker used to reduce intraocular pressure in patients with open-angle glaucoma. It is not intended for short-term use or gradual tapering off. The medication must be used consistently to maintain its therapeutic effect.
Choice B rationale
Timolol should be applied on a regular schedule for the rest of the client’s life to effectively manage intraocular pressure and prevent further damage to the optic nerve.
Choice C rationale
Timolol does not cure glaucoma or normalize intraocular pressure permanently. Continuous use is necessary to control the condition.
Choice D rationale
Timolol is not used as a pain reliever. It is specifically prescribed to manage intraocular pressure in glaucoma patients.
Correct Answer is D
Explanation
Choice A rationale
Actinic keratosis is a precancerous condition that appears as rough, scaly patches on sun-exposed skin.
Choice B rationale
Malignant melanoma is a more aggressive form of skin cancer that often appears as a new, unusual growth or a change in an existing mole.
Choice C rationale
Squamous cell carcinoma typically appears as a firm, red nodule or a flat lesion with a scaly, crusted surface.
Choice D rationale
Basal cell carcinoma often appears as a raised, flesh-colored lesion with pearly and waxy borders. It is the most common type of skin cancer and typically occurs in areas exposed to the sun.