Correct Answer: B

Rationale: The stethoscope does not magnify sound but effectively blocks out extraneous room noises. The correct orientation of the earpieces is with the slope pointing forward toward the examiner's nose, not posteriorly. The tubing length of a stethoscope should ideally be between 14 to 18 inches (36 to 46 cm) to avoid sound distortion. Using tubing longer than this range can distort sound. Both the fit and quality of the stethoscope are crucial for accurate auscultation and assessment, highlighting their significance in clinical practice. Therefore, the correct answer is that the stethoscope blocks out extraneous room noise but does not magnify sound.

Correct Answer: D

Rationale: The hot/cold theory of health and illness is based on the four humors of the body: blood, phlegm, black bile, and yellow bile. These humors regulate the basic bodily functions, described in terms of temperature, dryness, and moisture. The treatment of disease in this theory involves adding or subtracting cold, heat, dryness, or wetness to restore the balance of the humors. Choice A is incorrect as the theory is not based on supernatural forces but on the balance of bodily humors. Choice B is incorrect as herbs and medicines are not classified solely based on their physical characteristics of hot and cold in this theory. Choice C is incorrect as the four humors are blood, phlegm, black bile, and yellow bile, not spiritual connectedness or social aspects. Therefore, the correct choice is D, as it accurately reflects a foundational tenet of the hot/cold theory of health and illness.

Correct Answer: C

Rationale: In the yin/yang theory rooted in ancient Chinese philosophy, health is believed to exist when all aspects of a person are in perfect balance. This includes physical, mental, emotional, and spiritual well-being. Choice C accurately reflects this philosophy's view of health. Choices A, B, and D do not capture the essence of the yin/yang theory. Being able to work and produce, being happy and stable, or caring for others and functioning socially, while important, do not encompass the holistic balance emphasized in the yin/yang theory.

Correct Answer: B

Rationale: During the inspection phase of a physical assessment, it is essential to take time as it can reveal a significant amount of information. Initially, it may feel uncomfortable for the examiner to focus solely on observing the patient without immediate action. Rushing through inspection is not recommended as it can lead to missing important cues. Train yourself to be thorough during inspection by observing carefully and taking the time needed to gather essential data. Choices A, C, and D are incorrect because inspection typically provides valuable information, may feel uncomfortable at first but is necessary for a comprehensive assessment, and does not involve a quick glance but requires a focused and detailed observation.

Correct Answer: A

Rationale: The correct answer is to document the amount of drainage every eight hours. UAP education typically includes tasks related to documentation of intake and output. Obtaining samples of drainage for culture and assessing patient pain level are nursing responsibilities that require licensed nursing personnel's education and scope of practice. Checking the water-seal chamber for the correct fluid level also falls under the nursing role, as it involves monitoring and maintaining the chest tube system, which requires nursing knowledge and training.