Determine Rexxars' Heart Rate Reserve if his Resting Heart Rate is 60 at the age of 20. A. 100
B. 120
C. 140
D. 160

Hepatitis b and hiv/aids are two serious infections that can be transmitted by a. breastfeeding and contact with blood. b. sharing food and sharing drinks. c. transmission by air, water, and shared bodily fluids. d. skin contact, contact with urine, and sharing clothing.

Which one is not a part of the base of the cranial cavity? a. scala anterior b. scala media c. scala lateralis d. scala posterior

Which side effect should be assesed by the nurse when administering aminophylline?