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Iv Therapy > Unit 2 > Flashcards

Unit 2 Flashcards

1
Q

Functions of the skin?

A

protection, temp regulation, and sensation

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2
Q

What are the layers of the skin?

A

Dermis, Epidermis, superficial fascia

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3
Q

Highly sensitive & vascular layer of the skin?

A

dermis

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4
Q

Skin layer that connects the dermis to underlying tissue and contains the majority of veins used in IV Therapy?

A

superficial fascia

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5
Q

vessels carrying oxygenated blood from heart to tissue?

A

arteries

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6
Q

connects capillaries and veins

A

venules

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7
Q

more numerous than arteries

A

veins

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8
Q

microscopic vessels between arterioles and venules

A

capillaries

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9
Q

connects arteries and capillaries

A

arterioles

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10
Q

Characteristic of veins

A

veins do not pulsate and are more numerous than arteries

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11
Q

Applicable to arteries

A

comprised circulation to tissue area d/t injury

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12
Q

Structural components common to both veins and arteries include which of the following?

A

Tunica intima, tunica media, and tunica adventitia

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13
Q

What is a true statement of valves?

A

Purpose is to prevent back flow of blood

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14
Q

Which cannot generate vasoconstriction

A

Infusion of an infusate warmed by warming device

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15
Q

What are factors that could predispose an IV therapy patient to a vasovagal reaction?

A

Unfamiliarity with venipuncture procedure,traumatic experience associated with previous IV therapy, Preconceived fear of needles or IV therapy itself

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16
Q

Edema

A

abnormal accumulation of fluid in the tissues

17
Q

Valve

A

Any contrivance or arrangement that regulates the amount and direction of flow of liquid, gas, vapor, or loose material

18
Q

Pathophysiology

A

disease that changes the structural or functional state of an organ

19
Q

What is the function of the heart?

A

To pump blood into the arterial system

20
Q

What IV therapy-related factors can cause variations in heart function and respiratory rates?

A

Fluid and electrolyte imbalances

21
Q

What IV therapy-related factors are likely to cause variations in respiratory function?

A

Fluid and electrolyte imbalances, pH change, and emboli

22
Q

What is the function of the pulmonary system?

A

Exchange of gases between organism and environment

23
Q

What IV therapy-related factors would cause a change in respiratory rate?

A

Electrolyte imbalance, emboli, and medication

24
Q

Hematology

A

study of blood

25
Q

Plasma

A

fluid portion of the blood

26
Q

Functions of blood

A

*delivers vital substances to capillaries
*delivers metabolic end products to organs
*aids in regulating body temperature
*Maintains acid-base balance that is essential for homeostasis
*Protects against bacterial invasion & disease

27
Q

Amount of blood

A

7% of body weight (5L in adults)

28
Q

Blood formation

A

red bone marrow and lymphatic tissue

29
Q

Components of Blood

A

-Plasma
-Blood proteins
- Nutritive materials
- Mineral salts
-Gases
-Waste products
-Hormones
-antibodies
-enzymes

30
Q

Amount of plasma

A

53-58% of blood

31
Q

Function of blood proteins

A

assist in blood clotting & immune system

32
Q

Function of gases found in the blood?

A

assist in pH balance (ex. O2, CO2)

33
Q

Funtion of Enzymes found in the blood?

A

body metabolism

34
Q

Leukocytes Function?

A

protects body against infection

35
Q

Erythrocytes Function?

A

Aids in transporting oxygen and carbon dioxide

36
Q

Thrombocytes Function?

A

Clotting

37
Q

List the steps of the blood clotting process

A

1.Platelets form a white thrombus, or platelet plug.
2.Platelets release serotonin.
3.Blood vessel goes into spasm narrowing vessel to decrease blood loss
4.Platelets release thromboplastin.
5.Thrombin works with fibrinogen to produce fibrin to form a meshwork that traps erythrocytes.

38
Q

of liters of blood in an adult?

A

5

39
Q

What 2 factors can alter normal blood clotting?

A

certain disease processes and medications

Iv Therapy (5 decks)

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