Choose the job title that fits the following description: Requires clinical skills to draw blood samples for testing.

If unable to establish an airway by any other means, in which of the following patients would needle cricothyrotomy be contraindicated?

A) Three-month-old infant B) Six-month-old infant C) Both of the above D) Neither of the above

Atrial rhythms originate in the:

A) sino-atrial node. B) atrial pathways. C) atrioventricular node. D) AV junction.