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Perf Tech Final > Test 2 > Flashcards

Test 2 Flashcards

0
Q

What agent regulates TPA?

A

Plasminogen activator inhibitor

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1
Q

What agent promotes fibrinolysis?

A

Tissue plasminogen activator (TPA)

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2
Q

What cleaves plasminogen to plasmin?

A

TPA

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3
Q

Which of the following choices reflect myocardial oxygen consumption occuring at 37 degrees centrigrade of a beating working heart?

A

8mLO2/100g/min

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4
Q

While giving cardioplegia down a vein graft the pressure at the vein graft should be approximately?

A

50mmHg

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5
Q

Detrimental changes limited by utilizing cardioplegia

A

High energy phosphate depletion
Intracellular acidosis
Cellular edema

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6
Q

Name the 3 molecular substances that make up “Custodial cardioplegia” (HTK):

A

Histidine-Tryptophan-Ketogluterate

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7
Q

The msot appropriate incision for a redo mitral valve repair under fibrillatory arrest would be a __________________

A

Left thoracotomy

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8
Q

Endogenous antioxidants

A

Gluthione reductase
Superoxide dismutase
Catalase

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9
Q

Per oxidation of lipid components of the cell membrane is caused by:

A

Oxygen free radicals

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10
Q

N-acetylcysteine would be considered a?

A

Oxygen radical scavenger

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11
Q

Which of the following types of reperfusion events is aided by the presence of inflammation?

A

Lethal reperfusion injury

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12
Q

T or F: A valvulotomy may be preformed without a median sternotomy incision

A

True

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13
Q

The minimum blood flow rate recommended by the manufacturer for the Medtronic Affinity NT integrated CVR oxygenator is _________________________ liters per minute

A

1

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14
Q

The maximum blood flow rate recommended by the manufacturer for the Medtronic Affinity NT integrated CVR oxygenator is _________________________ liters per minute.

A

7

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15
Q

What is the maximum cardiotomy flow rate that should not be exceeded for the Medtronic Affinity NT integrated CVR is _______________ liters per minute.

A

6

16
Q

The priming volume of the affinity arterial line filter is _________________ milliliters.

A

212

17
Q

The maximum flow rate of the affinity arterial line filter is _________________ liters per minute.

A

7

Perf Tech Final (4 decks)

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