Two hours after taking a regular morning dose of Insulin Regular (Humulin R®), a client presents to a clinic with diaphoresis, tremors, palpitations, and tachycardia. Which nursing action is most appropriate for this client?
a. Check pulse oximetry and administer oxygen at 2L per nasal cannula
b. Administer a baby aspirin, one sublingual nitroglycerin tablet, and obtain an electrocardiogram (ECG)
c. Check blood glucose level and provide carbohydrates if less than 70mg/dL (3.8mmol/L)
d. Check vital signs and administer cortisol (Tenormin®) 25mg orally is heart rate is >120 beats per minute