Immunizations require how many codes?

The sensor receptive cells in the retina that function BEST in dim light and enable night vision are the ________

A) iris B) cones C) pupil D) rods

You are transporting a stable patient with a possible pneumothorax. The patient is receiving 100% oxygen and has an oxygen saturation of 95%. During your reassessment, you find that the patient is now confused, hypotensive, and profusely diaphoretic. What is MOST likely causing this patient's deterioration?

A. a total collapse of the affected lung B. hidden bleeding in the thoracic cavity C. compression of the aorta and vena cava D. blood accumulation in the pleural space