which of the following describes the pathophysiology of exercise induced asthma
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ATI Pathophysiology Exam 2

1. Which of the following describes the pathophysiology of exercise-induced asthma?

Correct answer: A

Rationale: The correct answer is A: 'Bronchospasm after exercise.' Exercise-induced asthma involves the narrowing of the airways (bronchospasm) triggered by physical activity. This bronchospasm leads to symptoms such as coughing, wheezing, and shortness of breath. Choices B, C, and D are incorrect because exercise-induced asthma is not primarily caused by an IgE-mediated inflammatory response to an antigen, bronchoconstriction after ingesting high-allergen foods, or increased mucus production due to a genetic mutation.

2. A 43-year-old man has tested positive for systemic candidiasis, and the care team has decided on IV fluconazole as a first-line treatment. When administering this medication, the nurse should

Correct answer: C

Rationale: When administering IV fluconazole, the nurse should avoid administering the drug through a peripheral IV. Fluconazole is known to cause phlebitis and tissue irritation if infused through a peripheral IV line. It is recommended to administer fluconazole through a central venous catheter to reduce the risk of complications. Choices A, B, and D are incorrect as there is no specific recommendation to administer the drug with lactated Ringer's, infuse it at a particular rate, or administer prophylactic heparin prior to fluconazole in this scenario.

3. A 9-year-old girl has a diffuse collection of symptoms that are indicative of deficits in endocrine and autonomic nervous system control. She also suffers from persistent fluid and electrolyte imbalances. On which aspect of the nervous system listed below would her health care providers focus their diagnostic efforts?

Correct answer: C

Rationale: The correct answer is C: The hypothalamus. The hypothalamus plays a central role in regulating endocrine and autonomic functions, including fluid and electrolyte balance. In this case, the girl's symptoms of deficits in endocrine and autonomic nervous system control, along with fluid and electrolyte imbalances, point towards dysfunction in the hypothalamus. Choices A, B, and D are incorrect because the thalamus is mainly involved in sensory relay, the pituitary gland regulates various hormones but is controlled by the hypothalamus, and the midbrain is responsible for motor control and arousal, not endocrine or autonomic functions.

4. What typically causes contact dermatitis?

Correct answer: C

Rationale: Contact dermatitis is typically caused by contact with a skin allergen that triggers an allergic reaction. Choice A, fungal infection, is incorrect as contact dermatitis is not caused by fungi. Choice B, long-term disorder from gout, is also incorrect as gout is not typically associated with contact dermatitis. Choice D, Staphylococcal infection, is incorrect as contact dermatitis is primarily an allergic reaction rather than a bacterial infection.

5. A male patient receiving androgen therapy is concerned about the risk of prostate cancer. What should the nurse explain regarding this risk?

Correct answer: A

Rationale: The correct answer is A. Finasteride has been shown to lower the risk of developing prostate cancer. However, regular screenings are still recommended to monitor for any potential issues. Choice B is incorrect because finasteride has been associated with a reduced risk of developing prostate cancer. Choice C is incorrect as finasteride is not known to increase the risk of prostate cancer; in fact, it has shown a protective effect. Choice D is incorrect because while finasteride may lower the risk of prostate cancer, regular screenings are still necessary to ensure early detection and treatment if needed.

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