exam 3 Flashcards

1
Q

Perfusion refers to the flow of blood through

A

arteries and capillaries. It also delivers nutrients and oxygen to cells and removes cellular waste.

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2
Q

Cardiac output (CO) =

A

Stroke volume X Heart rate

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3
Q

Central Perfusion is the

A

force of blood movement generated by cardiac output.

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4
Q

Consequences of impaired Central Perfusion are

A

a reduction of oxygenated blood reaching the body tissues, shock, ischemia, cell injury, and cell death

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5
Q

Impaired central perfusion occurs when

A

cardiac output is inadequate.

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6
Q

Greatest risk for impaired infusion

A

Middle-aged and older adults, Men and African Americans

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7
Q

Inadequate Central Perfusion: Infants and Children

A

Poor feeding, Poor weight gain, Failure to thrive, Dusky color

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8
Q

Toddlers and Childrens with inadequate perfusion have

A

Squatting and fatigue, Developmental delay

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9
Q

lipids, PT, PTT, EKG, INR, stress tests, Chest x-ray, ultrasound, arteriogramare test for

A

Impaired central perfusion

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10
Q

Primary prevention methods for impaired perfusion

A

Smoking and nicotine cessation, diet, exercise, weight control

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11
Q

The accepted range of oxygen delivery with a non-rebreather mask is 10 to 15 L/min.

A

is 10 to 15 L/min.

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12
Q

The amount that can be delivered by nasal cannula is

A

1 to 6 L/min.

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13
Q

Oxygen delivered at 5 L/min by a simple face mask delivers

A

adequate oxygen because the range for a face mask is 5 to 10 L/min.

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14
Q

The cardiac and pulmonary systems work together to

A

deliver oxygen to tissues.

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15
Q

An intact respiratory system is necessary to inspire oxygen and deliver it to the

A

circulatory system.

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16
Q

A healthy heart pumps oxygenated blood to tissues through the

A

vascular system.

17
Q

Requires adequate cardiac function, blood pressure, and blood volume

A

Central Perfusion

18
Q

Tissue perfusion requires

A

patent vessels, adequate hydrostatic pressure, and capillary permeability

19
Q

Basophil are present during what process

A

Inflammation

20
Q

Basophils release

A

Histamins and Heprin

21
Q

Eosinophils (1 %) respond to allergens and

A

parasites and worms

22
Q

Leukocytes make up what percentage of wbc

A

25-30%

23
Q

Bypass, graft surgery, stents, angioplasty and endarterectomy are interventions for

A

Impaired tissue or local perfusion

24
Q

Pacemakers, electrical cardioversion, ablation therapy, intraaortic balloon pump, cardiac valve surgery and cardiac transplant correct

A

Central perfusion impairments

25
Q

Pharmacotherapy for impaired central perfusion

A

antihypertensives, antiarrhythmics, inotropics, antianginal, vasopressors, vasodilators

26
Q

Pharmacotherapy:Impaired Tissue (Local) Perfusion

A

anticoagulants, thrombolytics, lipid-lowering agents, vasodilators, antiplatelet agents and platelet inhibitors

27
Q

The CBC and differential provide information regarding

A

oxygen and carbon dioxide transport capabilities and the current status of the immune response.

28
Q

Basic metabolic panel is a series of blood tests that are used to assess

A

the renal, glucose, and electrolyte balance in the body.

29
Q

ABGs are drawn in patients with decreased oxygenation and

A

suspected acid-base imbalance.

30
Q

Causes of heart failure include

A

damage to heart valve, pressure around the heart, vitamin B deficiency, and damage to blood vessels.