In second impact syndrome, an athlete may receive a minor blow to the head, appear stunned, and then collapse in 15 seconds.

Which of the following is a restriction that insurance companies place on the amount and type of benefits that will be paid?

a. Eligibility requirements b. Loans c. Tax write offs d. Proper nutrition and exercise

Hematocrit is also called:

a. White cell count b. Bone marrow examination c. Red blood cell (RBC) count d. Packed red cell volume