Because of its selective alpha1 antagonistic properties, labetalol is indicated in:
a. Tachycardia
b. Ventricular fibrillation
c. Hypovolemia
d. Acute hypertensive emergency
a. Although labetalol may be used in supraventricular tachycardia, it's alpha1 antagonism results in vasodilation and makes it more suitable for hypertensive emergencies.
b. No indication exists.
c. Contraindicated.
d. Correct.
Health Professions
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Prepare 1oz of epinephrine 0.025% solution by mixing epinephrine 0.5% and sterile water for injection. How much epinephrine 0.5% solution will be needed?
A) 1.5 mL B) 2.5 mL C) 22.5 mL D) 28.5 mL
Health Professions
Additional personnel will be required to safely handle smooth bore nozzles at nozzle pressures greater than:
A. 50 psi (350 kPa). B. 65 psi (450 kPa). C. 75 psi (525 kPa). D. 100 psi (700 kPa).
Health Professions