What is the term or acronym for the percentage of RBCs in the blood volume?

A patient who is in her third trimester of pregnancy has vaginal bleeding. She is conscious and alert. Her BP is 108/68 mm Hg, her pulse is 90 beats/min and strong, and her respirations are 20 breaths/min and unlabored. You should:

A: give oxygen as needed, position her supine, start an IV, and give a 20 mL/kg saline bolus. B: give oxygen as needed, cover her vagina with a sterile dressing, and establish IV access. C: give oxygen as needed, pack her vagina with dry sterile dressings, and establish IV access. D: assist her ventilations with a bag-mask device and firmly massage the fundus of her uterus.

Enzymes that catalyze the transfer of groups other than hydrogen between compounds are classified as belonging to which enzyme class?

A. Hydrolases B. Lyases C. Oxidoreductases D. Transferases