Correct Answer: D

Rationale: The Venturi mask is the best choice for delivering 65% oxygen because it allows precise oxygen concentration delivery through adjustable venturi valves. This device ensures consistent oxygen levels even during variations in patient breathing patterns. Face mask with non-rebreathing reservoir (A) delivers higher oxygen concentrations, low-flow nasal cannula (B) is not suitable for precise oxygen delivery, and simple face mask (C) may not provide the desired oxygen concentration.

Correct Answer: B

Rationale: The correct answer is B because assessing the hemofilter every 6 hours for clotting is essential in ensuring the effectiveness of CRRT. Clotting can obstruct blood flow, leading to treatment inefficiency and potential harm to the patient. This step helps the nurse to promptly address any clotting issues and prevent complications. A: Assessing that the blood tubing is warm to the touch is not a standard practice for monitoring CRRT and does not provide relevant information about the treatment's effectiveness. C: Covering the dialysis lines to protect them from light is not a priority in monitoring CRRT. Light exposure is not a common concern in this context. D: Using clean technique during vascular access dressing changes is important for infection prevention but is not directly related to monitoring the effectiveness of CRRT.

Correct Answer: C

Rationale: The correct answer is C (80 mL/hour) because the minimum acceptable urine output for a patient is approximately 0.5-1 mL/kg/hour. For a 75 kg patient, this equates to 37.5-75 mL/hour. Therefore, an output of 80 mL/hour is within this range and is considered minimally acceptable. A: Less than 30 mL/hour is incorrect because it is below the recommended range for a 75 kg patient. B: 37 mL/hour is close to the lower end of the acceptable range, but it is not the minimum acceptable output. D: 150 mL/hour is above the recommended range and would be considered excessive for a 75 kg patient.

Correct Answer: B

Rationale: The correct answer is B (80 to 125 mL/min) because this range reflects the normal glomerular filtration rate (GFR) in adults. GFR measures the rate at which blood is filtered by the kidneys, typically around 125 mL/min. A GFR below 60 mL/min indicates kidney dysfunction, making option A incorrect. Option C (125 to 180 mL/min) is above the normal range. Option D (more than 189 mL/min) is too high and could indicate hyperfiltration, common in conditions like diabetes. Therefore, choice B is the most appropriate within the normal GFR range.

Correct Answer: A

Rationale: The correct answer is A: Unmarried life partners of same sex. When providing palliative care, it's crucial to recognize and respect diverse family structures. Unmarried life partners of the same sex may form a significant familial bond, requiring support and involvement in care decisions. This choice aligns with the principles of inclusivity and non-discrimination in palliative care. Incorrect choices: B: Unmarried life partners of the opposite sex - This choice is incorrect as it limits the definition of family to only opposite-sex partners, excluding same-sex couples. C: Roommates - While roommates may provide support, they do not necessarily have the same level of emotional and decision-making involvement as family members or life partners. D: Close friends - While close friends can be important sources of support, they do not necessarily have the same legal or emotional ties as a life partner.