Correct Answer: B

Rationale: Step-by-step rationale for choice B: Footboard and splint: 1. Footboard helps prevent foot drop by maintaining proper alignment and preventing pressure ulcers. 2. Splint helps stabilize and support Franco's limbs to prevent contractures and maintain proper positioning. 3. Both items are essential for Franco's safety, comfort, and prevention of complications. 4. Hand bell and extra bed linen (Choice A) are not crucial for Franco's immediate care needs. 5. Sandbag and trochanter rolls (Choice C) are not directly relevant to Franco's specific conditions. 6. Suction machine and gloves (Choice D) are important for airway management but not the priority for bedside equipment in this case.

Correct Answer: B

Rationale: The correct answer is B: Decreased cardiac output. Fatigue in heart failure is primarily due to decreased cardiac output, leading to reduced oxygen and nutrient delivery to tissues, causing fatigue. Dyspnea (A) is shortness of breath, not fatigue. Dry cough (C) is more associated with conditions like pulmonary issues, not fatigue. Orthopnea (D) is difficulty breathing while lying down, not specifically related to fatigue. Hence, decreased cardiac output is the most likely cause of fatigue in this patient.

Correct Answer: C

Rationale: The correct answer is C: Respiratory rate 36/min. In this case, the nurse should address the respiratory rate first due to the patient's chronic lung disease, indicating potential respiratory distress. High respiratory rate may signify hypoxia, infection, or worsening lung function, posing immediate life-threatening risks. Addressing this symptom promptly is crucial to prevent respiratory failure. Fever (A) and difficulty urinating (B) are important but not as urgent as addressing potential respiratory distress. Painful legs and feet (D) may indicate peripheral neuropathy related to diabetes, which is important but not as critical as addressing the respiratory issue.

Correct Answer: A

Rationale: Step-by-step rationale for why answer A is correct: 1. Having intercourse with just the spouse means a monogamous relationship with a trusted partner, minimizing risk of exposure to HIV. 2. It eliminates the risk of contracting HIV from multiple sexual partners. 3. This choice adheres to safer sex practices by reducing the chances of exposure to HIV. 4. This choice also promotes trust and communication within the relationship, further reducing the risk of HIV transmission. Summary: - Choice A is correct as it promotes monogamy and reduces the risk of exposure to HIV. - Choices B, C, and D do not guarantee zero risk of HIV transmission as blood donations, HIV antibodies, and condom use can still pose risks if not used or implemented correctly.

Correct Answer: C

Rationale: The correct answer is C because thiotepa is a cell cycle-nonspecific alkylating agent that interferes with both DNA replication and RNA transcription. Thiotepa works by cross-linking DNA strands, leading to inhibition of DNA replication and transcription, ultimately causing cell death. This mechanism of action makes it effective against actively dividing cells, such as cancer cells. Choice A is incorrect because thiotepa does not interfere with DNA replication alone. Choice B is incorrect because thiotepa affects both DNA replication and RNA transcription, not just RNA transcription. Choice D is incorrect because thiotepa does not destroy the cell membrane; instead, it acts on the genetic material within the cell.