During two-rescuer CPR, the compression to ventilation ratio for ...

[DyllonKazuo]

During two-rescuer CPR, the compression to ventilation ratio for children is
 
 5 to 10
  1 to 5
  15 to 1
  15 to 2

Question 2

When should instrument calibration be performed?
 
 After equipment maintenance, repair, or periods of inoperation
  After every use
  A measure of routine calibration should be performed twice a year
  Before every use

[olderstudent]

Answer to Question 1

15 to 2

Rationale: A 15 to 2 ratio is used for two-rescuer child CPR; the remaining options are distractors.

Answer to Question 2

After equipment maintenance, repair, or periods of inoperation

Rationale: Calibration of equipment should be performed after equipment maintenance, repair, or periods of inoperation.

[DyllonKazuo]

Thanks for the timely response, appreciate it

[xiaomengxian]

TYSM