ATI RN
Final Exam Pathophysiology
1. What should the nurse teach the boy about anabolic steroid abuse?
- A. The ability of anabolic steroids to build muscle is greatly exaggerated in the media.
- B. Anabolic steroids are universally dangerous but are especially harmful to adolescents.
- C. The muscle mass resulting from steroid use will atrophy unless doses are continually increased.
- D. Anabolic steroids will reduce the boy's ability to perform weight-bearing exercise later in life.
Correct answer: B
Rationale: The correct answer is B because anabolic steroids are indeed universally dangerous, but they pose greater risks to adolescents due to their impact on growth and development. Choice A is incorrect because anabolic steroids do have the potential to build muscle mass, though not to the extent often portrayed in the media. Choice C is incorrect as muscle mass gained from steroid use may persist for a period even after discontinuation. Choice D is incorrect as anabolic steroids can enhance muscle performance initially, though long-term use can have adverse effects on health and not specifically on the ability to perform weight-bearing exercises.
2. What aspect of hormonal contraceptives places a woman at the greatest risk for the development of blood clots?
- A. Hormonal contraceptives increase serum triglyceride and cholesterol levels.
- B. Hormonal contraceptives increase platelet levels.
- C. Hormonal contraceptives increase blood levels of clotting factors.
- D. Hormonal contraceptives cause injury to blood vessel linings.
Correct answer: C
Rationale: The correct answer is C. Hormonal contraceptives increase blood levels of clotting factors, particularly factors II, VII, IX, and X. This elevation in clotting factors can predispose individuals to thromboembolic events, including blood clots. Choices A, B, and D are incorrect because hormonal contraceptives do not have a significant effect on serum triglycerides and cholesterol, platelet levels, or causing direct injury to blood vessel linings as the primary mechanism for clot formation.
3. A client with a diagnosis of depression has been prescribed a medication that ultimately increases the levels of the neurotransmitter serotonin between neurons. Which process will accompany the actions of the neurotransmitter in a chemical synapse?
- A. Two-way communication between neurons is permitted, in contrast to the one-way communication in electrical synapses.
- B. Communication between a neuron and the single neuron it is connected with will be facilitated.
- C. The neurotransmitter will cross gap junctions more readily.
- D. More neurotransmitters will cross the synaptic cleft and bond with postsynaptic receptors.
Correct answer: D
Rationale: When serotonin levels increase, more neurotransmitters will cross the synaptic cleft and bind with postsynaptic receptors, facilitating enhanced communication. Option A is incorrect because chemical synapses, unlike electrical synapses, are unidirectional. Option B is incorrect because neurotransmitters impact communication with multiple neurons, not just a single connected neuron. Option C is incorrect because neurotransmitters cross the synaptic cleft, not gap junctions.
4. When educating a patient starting on oral contraceptives, what should the nurse include regarding the medication's effectiveness?
- A. Oral contraceptives are 100% effective when taken correctly.
- B. Oral contraceptives are effective immediately after starting.
- C. Oral contraceptives are less effective if taken with certain antibiotics.
- D. Oral contraceptives are less effective if taken with food.
Correct answer: C
Rationale: The correct answer is C. Oral contraceptives can be less effective when taken with certain antibiotics due to potential drug interactions. It is crucial for patients to be informed about this to consider additional contraceptive methods during antibiotic therapy. Choice A is incorrect because while oral contraceptives are highly effective, they are not 100% foolproof. Choice B is incorrect as it may give the impression that immediate protection is conferred, which is not the case. Choice D is incorrect as taking oral contraceptives with food does not significantly impact their effectiveness.
5. A nurse practitioner is assessing a 7-year-old boy who has been brought to the clinic by his mother, who is concerned about her son's increasingly frequent, severe headaches. Which of the nurse's questions is least likely to yield data that will confirm or rule out migraines as the cause of his problem?
- A. Does your son experience nausea or vomiting when he has a headache?
- B. Does your son have a history of recent head injury?
- C. Does your son become sensitive to light when he has a headache?
- D. Does anyone in your family have a history of migraines?
Correct answer: B
Rationale: Asking about a history of recent head injury is less likely to yield data relevant to confirming or ruling out migraines. Migraines are often associated with symptoms like nausea, vomiting, sensitivity to light, and a family history of migraines. While head injuries can cause headaches, the focus of the assessment in this case should be on symptoms more specific to migraines to guide the diagnosis and management.
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