Which of the following is a OBJECTIVE data?

Correct Answer: D

Rationale: Blue nails (D) are objective visible, measurable per assessment types. Dizziness (A), chest pain (B), and anxiety (C) are subjective, reported by the client. D fits clinical observation, making it correct.

Correct Answer: B

Rationale: TENS is non-invasive (A), side-effect-free (C), and easy to use (D), per its benefits. Very effective in chronic pain (B) isn't always true efficacy varies, better for acute or specific chronic cases. B's overstatement makes it the non-advantage, as TENS' success isn't guaranteed, aligning with clinical evidence.

Correct Answer: A

Rationale: Advance directives aren't only for the terminally ill (A) untrue; anyone can make them, per law. They include living wills (B), are revocable (C), and guide care (D). A's restriction contradicts broad eligibility, making it the correct false statement.

Correct Answer: B

Rationale: Ethics and legality aren't the same (B) untrue; ethics is moral, laws legal, per distinction (e.g., ethical but illegal acts). Varies by place (A), judges good/bad (C), personal (D) are true. B conflates separate concepts, making it the untrue statement.

Correct Answer: A

Rationale: Negligence is failure to act as a reasonable person would (A), per legal definition e.g., missing care standards. It's unintentional (B), causes harm (C), not all (D). A captures negligence's essence, making it true.