ATI RN
ATI Pathophysiology Exam
1. 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.
2. A male patient with benign prostatic hyperplasia (BPH) is prescribed finasteride (Proscar). What should the nurse include in the patient education?
- A. The medication is expected to reduce the size of the prostate, which should improve urinary symptoms over time.
- B. The medication will improve symptoms within a few days.
- C. The medication will cure BPH after treatment is complete.
- D. The medication may cause erectile dysfunction as a side effect.
Correct answer: A
Rationale: Finasteride is expected to reduce the size of the prostate, which should improve urinary symptoms over time, although the effects may take several weeks or months to become noticeable.
3. A 22-year-old woman began using oral contraceptives several months ago and has presented for an appointment to discuss recent worrisome changes in her health status. Which of the following changes in the woman's health may the nurse potentially attribute to the use of oral contraceptives?
- A. Fatigue
- B. Frequent high blood pressure readings
- C. Frequent headaches without aura
- D. Nausea and vomiting
Correct answer: A
Rationale: The correct answer is A: Fatigue. Oral contraceptives can sometimes cause fatigue as a side effect. Frequent high blood pressure readings and frequent headaches without aura are less likely to be directly related to the use of oral contraceptives. Nausea and vomiting are common side effects of oral contraceptives but are not the changes typically associated with liver function affecting hormone metabolism as in the case of hepatitis C infection.
4. Which of the following mediators of inflammation causes increased capillary permeability and pain?
- A. Serotonin
- B. Histamine
- C. Bradykinin
- D. Nitric oxide
Correct answer: C
Rationale: Bradykinin is the correct answer. It is a potent mediator of inflammation that causes increased capillary permeability and is responsible for the pain associated with inflammation. Serotonin and histamine are also mediators of inflammation, but they are not primarily known for increasing capillary permeability or inducing pain. Nitric oxide is involved in various physiological processes but is not a primary mediator of inflammation that causes increased capillary permeability and pain.
5. When a Tae Kwon Do (TKD) master applies downward pressure just above the elbow joint on an attacker who immediately collapses to the ground, which reflex is applicable to this example?
- A. Golgi tendon reflex
- B. Myotatic reflex
- C. Withdrawal reflex
- D. Crossed-extensor reflex
Correct answer: A
Rationale: The Golgi tendon reflex is the correct answer. This reflex protects the muscle and tendons from excessive force by causing the muscle to relax. In this scenario, the downward pressure applied just above the elbow joint triggers the Golgi tendon reflex, resulting in the attacker's collapse. The other options are incorrect: - The myotatic reflex (also known as the stretch reflex) is responsible for contracting a muscle in response to its stretch, not relaxing it. - The withdrawal reflex is a spinal reflex that moves a body part away from a painful stimulus, not directly related to the scenario described. - The crossed-extensor reflex is a reflex that occurs on the opposite side of the body in response to a withdrawal reflex, which is not the case in this situation.
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