Which of the following are causes of metabolic acidosis?
 
            I. Diabetic ketoacidosis
           II. Salicylate intoxication
          III. Severe diarrhea
          IV. Renal failure

A loss of sympathetic nervous system output for control of cutaneous blood flow may occur with a spinal cord injury at the ________ level

A) cervical B) thoracic C) lumbar D) B and C

Paramedics are responding to a male patient who is complaining of pain in the genitalia region after being hit by a baseball. When assessing this patient, which of the following would be an inappropriate method of performing an examination?

a. Have bystanders in the room to serve as witnesses. b. Have the patient examine himself and tell the paramedic if there are any abnormalities. c. Maintain the patient's privacy as much as possible. d. Try to have at least two rescuers present.