ATI RN
Pathophysiology Exam 1 Quizlet
1. An experiment is designed to determine specific cell types involved in cell-mediated immune response. The experimenter is interested in finding cells that attack cells that have specific antigens. Which cells should be isolated?
- A. Lymphokine-producing cells
- B. Cytotoxic T cells
- C. Helper T cells
- D. Macrophages
Correct answer: B
Rationale: Cytotoxic T cells are the key players in cell-mediated immunity as they directly attack cells displaying specific antigens. Lymphokine-producing cells (Choice A) are involved in cytokine production, while Helper T cells (Choice C) assist in activating other immune cells. Macrophages (Choice D) are phagocytic cells that engulf and digest pathogens, but they are not the primary cells responsible for directly attacking cells with specific antigens in cell-mediated immunity.
2. When teaching a community group about measures to prevent colon cancer, which instruction should the nurse include?
- A. Limit fat intake to 20% to 25% of your total daily calories.
- B. Include 15 to 20 grams of fiber into your daily diet.
- C. Get an annual rectal examination after age 35.
- D. Undergo sigmoidoscopy annually after age 50.
Correct answer: A
Rationale: Limiting fat intake is a recommended measure to reduce the risk of colon cancer. Including fiber, undergoing annual rectal examinations, and sigmoidoscopy are also important, but limiting fat intake is directly related to reducing cancer risk.
3. What is a negative effect of immobility on the musculoskeletal system?
- A. Pressure injury
- B. Contractures
- C. Glucose intolerance
- D. Incontinence
Correct answer: B
Rationale: Contractures are a negative effect of immobility on the musculoskeletal system.
4. What should a patient avoid while taking Angiotensin-converting enzymes?
- A. Salt substitutes
- B. Foods high in potassium
- C. Foods high in sodium
- D. All of the above
Correct answer: A
Rationale: Patients taking Angiotensin-converting enzyme (ACE) inhibitors should avoid salt substitutes because they can contain potassium chloride, which may lead to hyperkalemia. It is important to restrict potassium-rich foods while on ACE inhibitors, but the primary concern with salt substitutes is their potassium content.
5. Gina, A client in prolong labor said she cannot go on anymore. The health care team decided that both the child and the mother cannot anymore endure the process. The baby is premature and has a little chance of surviving. Caesarian section is not possible because Gina already lost enough blood during labor and additional losses would tend to be fatal. The husband decided that Gina should survive and gave his consent to terminate the fetus. The principle that will be used by the health care team is:
- A. Beneficence
- B. Non malfeasance
- C. Justice
- D. Double effect
Correct answer: C
Rationale: Effective nursing care involves comprehensive assessments that address all aspects of a patient's condition, ensuring that interventions are appropriately targeted and outcomes are optimized.
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