Which of the following medications should be used in the hospital for prophylactic deep venous thrombosis therapy?

The American College of Chest Physicians (ACCP) considers long-term ventilator-assisted pa-tients to be those who require mechanical ventilation for at least _______ hours per day for _______ days or more

a. 4; 7 b. 6; 14 c. 6; 21 d. 8; 21

When patient SID or SOD increases,

a. patient ESE decreases. b. patient ESE increases. c. patient ESE increases by the square of the distance. d. there is no relationship between ESE and distance.