a 45 year old diabetic male is experiencing erectile dysfunction if his erectile dysfunction is caused by the nervous system then the nurse can educat
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Nursing Elites

ATI RN

ATI Pathophysiology

1. A 45-year-old diabetic male is experiencing erectile dysfunction. If his erectile dysfunction is caused by the nervous system, then the nurse can educate the client that the venous blood supply to the penis is controlled by:

Correct answer: B

Rationale: Erectile function is primarily controlled by the parasympathetic nervous system, which facilitates the dilation of blood vessels in the penis. The parasympathetic nerves are responsible for vasodilation in the penis, allowing blood to enter and creating an erection. Sympathetic nerves, on the other hand, are responsible for ejaculation by causing contraction of the muscles around the vas deferens. Somatic nerves are involved in sensation and movement, not specifically in controlling blood supply to the penis. Spinal reflexes can play a role in the erectile process, but they are not directly responsible for controlling the venous blood supply.

2. In emphysema, what features result in impaired oxygenation?

Correct answer: C

Rationale: The correct answer is C. In emphysema, impaired oxygenation results from enlarged and permanently inflated alveoli, leading to reduced surface area for gas exchange. Choices A, B, and D are incorrect. In emphysema, bronchioles are not typically filled with mucus, alveoli losing surfactant and collapsing is more characteristic of conditions like atelectasis, and purulent fluid accumulation in the bronchioles is commonly seen in conditions like pneumonia, not emphysema.

3. In which of the following patients may the administration of a live vaccine be contraindicated?

Correct answer: C

Rationale: The correct answer is C. The administration of live vaccines may be contraindicated in patients taking steroid therapy. Steroids can suppress the immune system, reducing the effectiveness of live vaccines. Patients with renal insufficiency or hepatic failure can typically receive live vaccines as these conditions are not direct contraindications. Age alone, such as being over 65 years old, is not a contraindication for live vaccines unless there are other specific health considerations. Therefore, the patient taking steroid therapy is the most likely candidate for whom the administration of a live vaccine would be contraindicated.

4. A patient is prescribed estradiol (Estrace) for hormone replacement therapy. What should the nurse monitor during this therapy?

Correct answer: C

Rationale: During estradiol therapy, the nurse should monitor liver function tests. Estradiol can potentially impact liver function, making it essential to assess for any signs of liver dysfunction. Monitoring blood pressure (Choice A) is not directly related to estradiol therapy. While blood glucose levels (Choice B) should be monitored in patients taking certain medications like corticosteroids or antipsychotics, it is not typically necessary for patients on estradiol therapy. Kidney function tests (Choice D) are not the priority for monitoring during estradiol therapy, as the liver is more commonly affected.

5. Which of the following statements describes an active cellular membrane exchange process?

Correct answer: A

Rationale: The correct answer is A. In active transport, energy is expended to move substances against their concentration gradient. Sodium moving out of cells and potassium moving into cells is an example of active transport because it requires energy to pump these ions across the cell membrane against their concentration gradients. Choices B, C, and D describe passive processes where substances move along their concentration gradients without the input of energy.

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