You are at the scene of a patient who has attempted suicide by ...

[swpotter12]

You are at the scene of a patient who has attempted suicide by taking a large amount of metoprolol, a beta-blocking agent. After initial care of the airway, breathing, and circulation, you should consider the administration of:
 
  a. Lidocaine to suppress potential ventricular ectopy
  b. Insulin to decrease circulating glucose
  c. Epinephrine to antagonize the beta-blocking effects of metoprolol
  d. Glucagon as an antidote

Question 2

List three ways the complement cascade is helpful in fighting infection.
 
  What will be an ideal response?

[janeli1]

Answer to Question 1

d
Rationale: d. Glucagon is indicated in beta-blocker or calcium channel blocker overdose.

Answer to Question 2

Answers may include lysis of bacterial membranes; attracting WBCs to the site of infection; stimulating phagocytosis; clumping of cells with foreign antigens; alteration of virus structure.