QUESTIONS WITH 100% CORRECT ANSWERS
◉ What is secondary collision? Answer: When an occupant is struck by
loose objects within the vehicle
◉ What is the trajectory of a projectile? Answer: it is the curved path
that a bullet follows after being fired
◉ What is drag? Answer: air resistance
◉ what is a bullet's profile? Answer: It is portion of the bullet that you
see when staring straight at it, the cross section of the bullet.
Greater the profile greater the damage
◉ a bullet's profile is also what? Answer: the bullet's actual diameter,
AKA caliber
◉ Class I Hemorrhage. Answer: up to 15% blood loss (750ml), minimal
tachycardia, no measurable changes in BP or pulse pressure, or RR
,◉ Class II Hemorrhage. Answer: 15-30% (750ml to 1,500ml) Most
adults are capable of compensating, increased RR, Tachycardia,
narrowed pulse pressure,
◉ Class III Hemorrhage. Answer: 30-40% (1,500-2,000ml) no longer
able to compensate for volume loss, hypotension occurs, HR >120 BPM,
RR 30-40, severe anxiety or confusion
◉ Class IV Hemorrhage. Answer: more than 40% loss >2,000ml, severe
shock, HR >140 BPM, RR >35, confusion lethargy, decresed systolic
blood pressure, typically in the range of 60 mm Hg.
◉ What is normal cardiac output? Answer: 5 L/min
◉ How much blood does the average adult have? Answer: 5 liters
◉ Hemostasis steps. Answer: 1. vascular spasm; serves to reduce the
rate of flow and volume through a vessel and out the wound
2. platelet plug formation;
3. coagulation
◉ What is hematochezia? What does this indicate? Answer: bright red
blood in stool, indicates trauma to the large or small bowel
, ◉ What is normal capillary refill time? Answer: less than 2 seconds
◉ What are the signs of compensated shock? Answer: -pulse rate
increases
-pulse strength decreases
-skin becomes cool and clammy
-progressing anxiety, restlessness, combativeness
-thirst, weakness, and eventual hunger
◉ What are the signs of decompensated shock? Answer: -pulse becomes
unpalpable
-BP drops noticeably
-Patient becomes unconscious
-Respirations slow or cease
◉ What happens during irresversible shock? Answer: The lack of
circulation begins to have profound effects on the body cells. As they are
irreversibly damaged, the cells die, tissues dysfunction, organs
dysfunction, and the patient dies
◉ What is neurogenic shock? Answer: results from an interruption in the
communication pathway between the CNS and the body