The first medication administered to a patient experiencing an anaphylactic reaction should be:

All of the following are true about the classical pathway except

a. Begins with formation of C1 from C1q, C1r, and C1s molecules b. Consists of C5b and C6-C9 c. Is regulated by two mechanisms in the fluid phase d. Is regulated on cell surfaces with complement control proteins

Which of the following is Cushing's triad?

A. Abnormal breathing pattern, bradycardia, hypertension B. Bradycardia, unequal pupils, abnormal respiratory pattern C. Hypertension, unequal pupils, abnormal respiratory pattern D. Unequal pupils, bradycardia, abnormal respiratory pattern