Quiz 5

Question 1

acts as lungs

Answer 1

Oxygenator / Heat Exchange Unit

Question 2

acts as heart

Answer 2

Pump Head

Question 3

resevoir

Answer 3

Filtered Cardiotomy

Question 4

Bypass medication components (6):

Answer 4

♥ 10,000 units Heparin
♥ 200 cc 25% Mannitol
♥ 50 mEq’s Bicarb
♥ 200 mg Lidocaine
♥ 80 mEq’s K+
♥ 5 grams Magnesium

Question 5

Stopping heart – cardioplegia solution goes down _____________, not main heart from aorta

Answer 5

coronary arteries

Question 6

Cardioplegia line can also vent out blood from heart to machine so heart does not ________

Answer 6

distend

Question 7

Venous cannula drains ___ venous reservoir

Answer 7

RA

Question 8

Acts as the atrium of thE heart lung machine circuit

Answer 8

Venous resevoir

Question 9

SvO2 Goal:

Answer 9

70

Question 10

If svo2 too low:

Answer 10

• turn up flows
• check crit
• o2 percentage can be increased

Question 11

Safety mechanism which protects patient from receiving an air embolus

Answer 11

Bubble Detector

Question 12

Postive displacment pump

Answer 12

roller pump

Question 13

Non-occlusive constrained vortex pump

Answer 13

Centrifugal pump

Question 14

Lowering __ degree celsius reduces metabolic rate by ____

Answer 14

1

7%

Question 15

Mimics ventilator

Answer 15

O2 Blender

Question 16

type of gas used

Answer 16

desflurane

Question 17

Last safety device before blood enters patient

Answer 17

arterial filter

Question 18

Provides safety mechanism for the heart lung machine by verifying proper placement of aortic cannula and assuring that over pressurization of the circuit does not occur

Answer 18

Arterial Line Manometer

Question 19

In ____ systems the cardiotomy is integrated as a part of the venous reservoir instead of the collapsible bag

Answer 19

open

Question 20

If proper venting does not occur then __ distention results

Answer 20

LV

Question 21

Cardiac arrest via high K+ infusion via:

Answer 21

• aortic root
• coronary sinus (retrograde)
• vein grafts
• coronary ostia

Question 22

High K+ infusion has significant ___________ effect

Answer 22

vasodilatory

Question 23

Heparin levels are measures Q ___ minutes or as necessary to maintain an ACT of ____ sec.

Answer 23

30

> 480

Question 24

Minimum Hct Cold, Warm ?

Answer 24

Cold – 21%

Warm – 24%

Question 25

vitals summary (4):

Answer 25

• MAP 60-90mmHg
• Urine 1-2cc/kg/hr
• Temperature – Drift to
• 32 degrees Celsius

Question 26

can monitor cvp/pa with line

Answer 26

Retrograde Cardioplegia Monito

Question 27

Activated WBC’s are deposited or sequestered in
the lungs; where they release superoxides and
lysosomal enzymes, which produce endothelial
damage & in turn results in the accumulation of
extravascular water

Answer 27

PUMP LUNG