A pulse oximeter measures

Correct Answer: C

Rationale: The correct answer is C: Blood oxygen level. A pulse oximeter measures the oxygen saturation levels in the blood by analyzing the amount of oxygen carried by hemoglobin. Hemoglobin absorbs different amounts of light based on the level of oxygen it is carrying, allowing the device to determine the oxygen saturation. A: Blood pressure is incorrect as a pulse oximeter does not measure blood pressure. B: Body temperature is incorrect as a pulse oximeter does not measure body temperature. D: Blood glucose level is incorrect as a pulse oximeter does not measure blood glucose level.

Correct Answer: B

Rationale: The correct answer is B because wearing artificial nails in a long-term care facility can increase the risk of infection transmission to vulnerable residents. Even if the nails are clean and hands are washed frequently (options A and D), artificial nails harbor more bacteria than natural nails, posing a greater risk in healthcare settings. Limiting their use to special events (option C) does not address the potential risks associated with their use in such facilities. Therefore, the most appropriate and safest approach is to avoid wearing artificial nails altogether in care facilities to prioritize resident safety and infection control.

Correct Answer: D

Rationale: The correct answer is D: Scopy in endoscopy. A suffix is a word part added to the end of a root word to modify its meaning. In this case, "scopy" is a suffix that means "to examine or observe." Endoscopy is a medical procedure that involves examining the inside of the body using an endoscope. Choices A, B, and C are all prefixes, not suffixes, as they are added to the beginning of a root word to change its meaning. Therefore, the correct answer is D because it demonstrates the characteristic of a suffix by modifying the root word "end" to create a new word with a specific meaning related to the medical procedure.

Correct Answer: D

Rationale: The correct answer is D (1 to 3) for toddlers as they typically fall within the age range of around 1 to 3 years old. This stage is marked by significant growth and development in motor skills and language acquisition. A (2 to 4) is not as accurate as it includes children above the typical toddler age range. B (6 to 12) is incorrect as this range includes school-age children, not toddlers. C (3 to 6) also extends beyond the typical toddler age range, encompassing preschool and early school-age children. In summary, the correct age range for toddlers is 1 to 3 years old, making option D the most appropriate choice.

Correct Answer: D

Rationale: The correct answer is D because using a communication board helps the resident with a functional barrier to ask questions effectively. This approach promotes clear communication and empowers the resident to express their needs. A is incorrect as preventing the resident from resting is not beneficial for someone with a functional barrier. B is incorrect as removing oxygen can be harmful and is not necessary for cleaning the face and ears. C is incorrect as encouraging the resident to speak quickly may cause stress and is not a recommended approach for maintaining vocal cord strength.