The physician order reads 'Lopressor (metoprolol) 50 mg PO daily. Do not give if blood pressure is less than 100 mm Hg systolic.' The patient's blood pressure is 92/66. The nurse does not give the medication and

Correct Answer: C

Rationale: Holding metoprolol for BP 92/66 (<100 systolic) requires documentation of reason for accountability. Not telling is optional. BP alone lacks context. Not informing risks oversight. Choice C is correct, per nursing documentation standards.

Correct Answer: A

Rationale: Tympanic measures core temperature via the eardrum, close to the hypothalamus, per the answer key. Oral approximates core but varies with intake. Axillary and skin surface reflect peripheral temp, less accurate for core. Tympanic's proximity to central blood flow makes it reliable for quick, non-invasive core readings, aligning with nursing practice for accuracy in critical assessments, distinguishing it from less precise peripheral sites.

Correct Answer: D

Rationale: Increased resistance from less elastic arterioles raises blood pressure , per the answer key, common in aging. No change , erratic , or decrease don't fit. Nurses monitor this age-related rise for hypertension management.

Correct Answer: D

Rationale: Tympany , per the answer key, is the hollow, drum-like tone over the air-filled stomach. Flat is over bone, dull organs, resonant lungs. Nurses, per Taylor, expect tympany in gastric percussion for normal assessment.