Lesson 5

Question 1

shock

Answer 1

bleeding is most common cause

state of collapse/failure of cardiovascular system

Question 2

how much blood in heart in 1 min

Answer 2

5L

Question 3

T/F weight x 70 is blood volume

Answer 3

T

females are x 65

Question 4

stroke volume

Answer 4

volume outputted in 1 beat

Question 5

preload

Answer 5

amount of blood returning to right atrium

Question 6

after load

Answer 6

pressure have to overcome to pump blood out

Question 7

cardiac output

Answer 7

blood pumped out in a minute L/min

HRxSV

Question 8

increased venous return

Answer 8

stretches ventricles

increases contractility

Question 9

what’s more important airway or bleeding

Answer 9

airway

Question 10

blood in lungs

Answer 10

picks up O2

dumps waste

Question 11

blood in peripheral tissues

Answer 11

unloads O2 and picks up waste

Question 12

blood 3 necessary components

Answer 12

heart
blood/body fluids
blood vessels

Question 13

plasma

Answer 13

water and dissolved substances

more than half of the total blood volume

Question 14

perfusion

Answer 14

circulation of blood within an organ or tissue

Question 15

ANS role with blood

Answer 15

redirects blood to heart, brain, lungs and kidneys during emergencies

Question 16

how long can the brain go without perfusion

kidneys?

skeletal muscles?

Answer 16

4-6 minutes

45 minutes

2 hours

Question 17

hemorrhage means

Answer 17

bleeding

Question 18

external hemorrhage

Answer 18

bleeding from vessels 
usually due to a break in the skin 
extent or severity 
not always serious 
most of the time can be managed with pressure 
use a tourniquet

Question 19

internal hemorrhage

Answer 19

result of trauma

non trauma causes include GI bleeding, aneurysms or ectopic pregnancies

Question 20

what to look for with internal hemorrhages

Answer 20

patient complaints of pain or tenderness, pallor, tachycardia
shock

Question 21

what type of transport for internal hemorrhage patients

Answer 21

RAPID patients will usually need surgery

Question 22

how long does it take for arterial bleeds to form a clot

Answer 22

5 minutes roughly

Question 23

male blood volume

Answer 23

70ml/kg

Question 24

female blood volume

Answer 24

65ml/kg

Question 25

body cannot tolerate __% of its total blood volume

Answer 25

20

Question 26

__L of blood can change vitals

how so?

Answer 26

1

increase in HR/RR
decrease of BP

Question 27

blood compensation

Answer 27

depends on the rate of bleeding

Question 28

bleeding from an artery

Answer 28

bright red blood
spurts
harder to control

Question 29

bleeding from a vein

Answer 29

dark red
flows steadily
easier to control