ATI RN
ATI Pathophysiology Quizlet
1. A patient is starting on a statin medication for hyperlipidemia. What critical instruction should the nurse provide?
- A. Take the medication at night to reduce the risk of muscle pain and other side effects.
- B. Take the medication in the morning with breakfast to improve absorption.
- C. Avoid alcohol consumption while taking this medication to reduce the risk of liver damage.
- D. Take the medication with a high-fat meal to increase its effectiveness.
Correct answer: A
Rationale: The correct answer is A. Statins like atorvastatin should be taken at night to reduce the risk of muscle pain and other side effects. Taking the medication with a high-fat meal (choice D) is not recommended as it can decrease the effectiveness of the medication. Alcohol consumption (choice C) should be moderated but does not need to be completely avoided unless contraindicated. Taking the medication with breakfast (choice B) may not be as effective as taking it at night due to the circadian rhythm of cholesterol synthesis.
2. Which of the following is a characteristic of osteosarcoma?
- A. Slow-growing tumor that begins in the bone marrow
- B. Solitary tumor that most often affects the metaphyseal region of the femur or tibia
- C. An aggressive tumor most often found in the bone marrow of long bones
- D. A tumor that infiltrates the trabeculae in spongy bone and implants in surrounding tissue
Correct answer: C
Rationale: Osteosarcoma is an aggressive bone tumor that most commonly arises in the bone marrow of long bones, such as the femur or tibia. Choice A is incorrect as osteosarcoma is not a slow-growing tumor but rather a fast-growing one. Choice B is incorrect as osteosarcoma is not typically solitary but can involve multiple lesions. Choice D is incorrect as osteosarcoma primarily affects the medullary (marrow) cavity of bones, rather than infiltrating the trabeculae in spongy bone and surrounding tissue.
3. A patient is being treated with finasteride (Proscar) for benign prostatic hyperplasia (BPH). What expected outcome should the nurse include in the patient teaching?
- A. The medication will cure BPH after treatment is complete.
- B. The effects of the medication may take several weeks or months to become noticeable.
- C. The medication may cause increased hair growth.
- D. The medication may decrease libido.
Correct answer: B
Rationale: The correct answer is B. Finasteride is used to reduce the size of the prostate gland in patients with BPH, leading to decreased urinary frequency and urgency over several weeks or months. Choice A is incorrect because finasteride does not cure BPH but helps manage symptoms. Choice C is incorrect as increased hair growth is associated with another medication called minoxidil, not finasteride. Choice D is incorrect since finasteride may cause a decrease in libido as a side effect.
4. Following a knee injury, a football player is taking ibuprofen, a nonsteroidal anti-inflammatory drug, for the control of pain. Which drug action is most likely to result in diminished sensation of pain for the player?
- A. Inhibition of cyclooxygenase (COX) enzymes
- B. Activation of opioid receptors
- C. Blocking of NMDA receptors
- D. Stimulation of serotonin receptors
Correct answer: A
Rationale: The correct answer is A: Inhibition of cyclooxygenase (COX) enzymes. Ibuprofen works by inhibiting these enzymes, which are involved in the production of prostaglandins that mediate pain and inflammation. This inhibition leads to decreased prostaglandin production, resulting in a decrease in pain and inflammation. Choices B, C, and D are incorrect because ibuprofen does not act on opioid receptors, NMDA receptors, or serotonin receptors to control pain. It primarily exerts its analgesic and anti-inflammatory effects through COX enzyme inhibition.
5. Which of the following findings is commonly associated with congestive heart failure?
- A. Decreased jugular venous pressure
- B. Pulmonary edema
- C. Hyperactive bowel sounds
- D. Weight loss
Correct answer: B
Rationale: Pulmonary edema is a common finding in congestive heart failure. In congestive heart failure, the heart is unable to pump effectively, leading to fluid buildup in the lungs, causing pulmonary edema. This results in symptoms like shortness of breath, coughing, and wheezing. Choices A, C, and D are not typically associated with congestive heart failure. Jugular venous pressure is often elevated, not decreased in heart failure. Hyperactive bowel sounds and weight loss are not specific findings for congestive heart failure.
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