Correct Answer: C

Rationale: Keeping visitors 6 feet away minimizes radiation exposure during brachytherapy. Soiled linens don't require biohazard bags unless contaminated with bodily fluids, gowns aren't typically needed, and radioactive sources are managed by radiation safety teams, not discarded in trash.

Correct Answer: C

Rationale: Pill-rolling tremor, a rhythmic hand movement, is characteristic of Parkinson's disease due to basal ganglia dysfunction. Intention tremor is cerebellar, exophthalmos is thyroid-related, and flushed skin is not typical.

Correct Answer: A

Rationale: Taking doxycycline with a full glass of water prevents esophageal irritation. Antacids reduce absorption, grapefruit juice is unrelated, and tooth discoloration is a risk in children, not adults.

Correct Answer: A

Rationale: Interlacing fingers during hand washing ensures cleaning between fingers and under nails, a key step in surgical hand hygiene. Friction should last 20-30 seconds, hot water is avoided to prevent skin damage, and drying starts at fingers.

Correct Answer: B

Rationale: Documenting the client's condition every 15 minutes ensures close monitoring of safety and restraint necessity. PRN restraint prescriptions are inappropriate; restraints require specific orders. Attaching restraints to side rails risks injury. Removal frequency depends on assessment, not a fixed 4-hour schedule.