What term is used to describe a chloride concentration that is below normal in the blood serum?

To test an extremity for pain sensation, you should:

A) use a sharp object, and have the patient tell you if he feels a sharp or dull sensation. B) firmly pinch a fold of skin over the most sensitive part of the extremity. C) stroke the extremity in a distal-to-proximal direction. D) briskly tap the tendon of the elbow or knee.

You are providing emergency care to a patient when he suddenly tells you to stop and leave him alone. Which of the following should you do first?

A). Have a bystander watch the patient while you go to notify medical direction. B). Continue to provide the necessary care until law enforcement arrives. C). Explain to the patient why he needs the care. D). Acknowledge the patient's statement, stopping care immediately.