If artifact is seen in leads I, III, and aVL, the problem is on which limb?

Which is NOT one of the steps in managing a patient experiencing dizziness and syncope?

A) Lay the patient flat. B) Loosen any tight clothing around the neck. C) Apply cold packs to the patient's head. D) Administer oxygen.

Grids will affect radiographic contrast in which way?

A. diminish contrast B. produce higher contrast C. no change in contrast D. produce lower contrast