Represents inner feeling that a person do not like talking about.

Correct Answer: B

Rationale: Covert communication (B) represents inner feelings not openly shared, per psychology subtle or hidden cues. Overt (A) is explicit, verbal (C) spoken, nonverbal (D) observable. B fits unexpressed emotions, making it correct.

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: D

Rationale: Pulse characteristics include rate (speed), rhythm (regularity), and volume (strength), per clinical assessment standards. Humidity (D) relates to environment or skin, not pulse. Rate (A) counts beats per minute, rhythm (B) assesses pattern, and volume (C) gauges force all measurable via palpation. Humidity's irrelevance to pulse properties, which focus on arterial pulsation, makes D the correct answer as the non-characteristic, aligning with physiological definitions.

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.