Correct Answer: C

Rationale: The correct term for a child with Duchenne muscular dystrophy rising from the floor by walking up the thighs with the hands is known as the Gowers sign. This maneuver is characteristic of Duchenne muscular dystrophy due to proximal muscle weakness. Choices A, B, and D are incorrect because they do not specifically describe the action of walking up the thighs with the hands, which is a distinctive feature of the Gowers sign.

Correct Answer: C

Rationale: To deliver 1,000 units/hour from a solution with 25,000 units in 500 ml, the rate should be set to 20 ml/hour. This is calculated by determining that the solution has 50 units/ml (25,000 units / 500 ml = 50 units/ml) and then dividing the required 1,000 units/hour by 50 units/ml, resulting in 20 ml/hour. Therefore, the nurse should program the infusion pump to deliver heparin at 20 ml/hour. Choices A, B, and D are incorrect as they do not align with the calculated rate of 20 ml/hour.

Correct Answer: B

Rationale: The correct answer is B: Crackles in the lung bases. Crackles in the lung bases are indicative of pulmonary congestion, which is a classic sign of left-sided heart failure. Left-sided heart failure leads to a backup of blood into the lungs, causing fluid leakage into the alveoli and resulting in crackles upon auscultation. Choices A, C, and D are less specific to left-sided heart failure. Jugular vein distention can be seen in right-sided heart failure, peripheral edema can be seen in both right and left-sided heart failure, and bounding peripheral pulses are more indicative of conditions like hyperthyroidism or anemia rather than specifically supporting left-sided heart failure.

Correct Answer: D

Rationale: Following surgical repair of a cleft palate, a cup should be used to prevent injury to the suture line. Utensils such as straws, spoons, droppers, and syringes should be avoided as they can cause trauma to the surgical site. Using a cup reduces the risk of disrupting the sutures and promotes proper healing.

Correct Answer: B

Rationale: The correct answer is B: Sudden confusion and difficulty speaking. These are classic signs of a stroke, indicating a neurological deficit that requires urgent medical attention. Choices A, C, and D are less indicative of a stroke. Chest pain is more commonly associated with cardiac issues, gradual onset of weakness in the legs could be related to other conditions like peripheral neuropathy, and nausea/vomiting may suggest gastrointestinal problems rather than a stroke.