Nursing Elites

1. A patient with a history of osteoporosis is prescribed raloxifene (Evista). What is the primary therapeutic action of this medication?

• A. It stimulates the formation of new bone.
• B. It decreases bone resorption and increases bone density.
• C. It increases calcium absorption in the intestines.
• D. It increases the excretion of calcium through the kidneys.

Correct answer: B

Rationale: The correct answer is B: 'It decreases bone resorption and increases bone density.' Raloxifene, as a selective estrogen receptor modulator (SERM), works by reducing bone resorption (breakdown) and maintaining or increasing bone density. This mechanism helps in preventing further bone loss and can even increase bone mass. Choices A, C, and D are incorrect. Raloxifene does not stimulate the formation of new bone (choice A), increase calcium absorption in the intestines (choice C), or increase the excretion of calcium through the kidneys (choice D).

2. A patient has been using Viagra on an intermittent basis for several years. However, he has cited delays in the onset and peak of action as the occasional source of frustration. What PDE5 inhibitor may be of particular benefit to this patient's needs?

• A. Avanafil (Stendra)
• B. Tadalafil (Cialis)
• C. Vardenafil (Levitra)
• D. Alprostadil (Caverject)

Correct answer: A

Rationale: The correct answer is Avanafil (Stendra). Avanafil has a rapid onset of action compared to other PDE5 inhibitors, making it suitable for patients experiencing delays in onset and peak of action with other medications like Viagra. Tadalafil (Cialis), Vardenafil (Levitra), and Alprostadil (Caverject) do not offer the same rapid onset of action as Avanafil, making them less suitable for addressing the specific needs of this patient.

3. A patient is hospitalized with active tuberculosis. The patient is receiving antitubercular drug therapy and is not responding to the medications. What do you suspect the patient is suffering from?

• A. Human immunodeficiency virus
• B. Drug-resistant tuberculosis
• C. Methicillin-resistant Staphylococcus aureus
• D. Vancomycin-resistant Staphylococcus aureus

Correct answer: B

Rationale: When a patient with active tuberculosis is not responding to antitubercular drug therapy, drug-resistant tuberculosis should be suspected. Drug-resistant tuberculosis occurs when the bacteria causing tuberculosis become resistant to the medications being used. Choices A, C, and D are incorrect because the scenario described does not align with HIV infection, methicillin-resistant Staphylococcus aureus, or vancomycin-resistant Staphylococcus aureus.

4. Peritonitis is a condition that can result in serious complications. Identify one of the complications.

• A. Increased peristalsis
• B. Dizziness and malaise
• C. Sepsis and shock
• D. Nausea and vomiting

Correct answer: C

Rationale: Corrected Rationale: Peritonitis can lead to severe complications such as sepsis and shock due to the infection spreading in the abdominal cavity. Sepsis is a systemic inflammatory response to infection, and shock is a life-threatening condition where the body's organs are not receiving enough blood flow. Choices A, B, and D are incorrect. Increased peristalsis is not a typical complication of peritonitis; dizziness and malaise, as well as nausea and vomiting, are symptoms rather than complications of the condition.

5. A 75-year-old male presents with chest pain on exertion. The chest pain is most likely due to hypoxic injury secondary to:

• A. Malnutrition
• B. Free radicals
• C. Ischemia
• D. Chemical toxicity

Correct answer: C

Rationale: The correct answer is C: Ischemia. In this scenario, the 75-year-old male experiences chest pain on exertion, which is indicative of angina. Angina is primarily caused by reduced blood flow to the heart muscle, leading to hypoxic injury. This condition is known as ischemia. Options A, B, and D are incorrect. Malnutrition does not typically cause chest pain related to exertion. Free radicals and chemical toxicity are not common causes of chest pain in the context described. Therefore, the most likely cause of chest pain in this case is ischemia due to reduced blood flow.

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