The nurse teaches an older adult who has diabetes mellitus and takes metoprolol (Lopres-sor) to recognize clinical indicators of hypoglycemia
Which clinical indicators of hypog-lycemia does the nurse include in patient teaching as the indicators this man is most likely to detect? a. Shaking
b. Dizziness
c. Weakness
d. Diaphoresis
e. Tachycardia
f. Impaired vision
B, C, F
a. Incorrect. Shaking is an early clinical indicator of hypoglycemia and likely to be masked by the action of a beta-adrenergic blocker such as metoprolol, because beta-blockers oppose the surge of epinephrine in early hypoglycemia.
b. Correct. Dizziness is a clinical indicator of moderate hypoglycemia. It is unlikely to be masked by the affects of metoprolol, a beta-adrenergic blocker, because beta-blockers mask the early signs of hypoglycemia effectively.
c. Correct. Weakness is a clinical indicator of moderate hypoglycemia and is unlikely to be masked by the affects of metoprolol.
d. Incorrect. Diaphoresis is an early clinical indicator of hypoglycemia, and it is likely to be masked by the action of a beta-adrenergic blocker such as metoprolol.
e. Incorrect. Increased heart rate is an early clinical indicator of hypoglycemia and is likely to be masked by the action of a beta-adrenergic blocker such as metoprolol.
f. Correct. Impaired vision is a clinical indicator of moderate hypoglycemia and is unlikely to be masked by the effects of metoprolol.
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