A client who is postoperative is verbalizing pain as a 2 on a pain scale of 0 to 10. Which of the following statements should the nurse identify as an indication that the client understands the preoperative teaching she received about pain management?

Correct Answer: C

Rationale: It might help me to listen to music while I’m lying in bed.

Correct Answer: A

Rationale: 750 mL ÷ 8 hr = 93.75 mL/hr, rounded to 94 mL/hr.

Correct Answer: C

Rationale: Blood flow begins on the right side with the tricuspid valve (3) from the right atrium to the right ventricle, then through the pulmonary valve (4) to the lungs. After oxygenation, it returns to the left atrium, passes through the mitral valve (1) to the left ventricle, and exits via the aortic valve (2). The sequence is 3, 4, 1,

Correct Answer: C

Rationale: Diffusion is the process where oxygen moves from alveoli to blood and carbon dioxide moves from blood to alveoli, occurring at the alveolar-capillary membrane.

Correct Answer: C

Rationale: Cyanosis (bluish skin) indicates poor oxygenation due to low oxygen saturation, unlike clear lung sounds, normal pulse oximetry, or stable blood pressure.