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HEMA LAB > General Characteristics of Blood > Flashcards

General Characteristics of Blood Flashcards

1
Q

Is a connective tissue

A

Blood

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2
Q

Why is Blood unique?

A

It is the only fluid tissue

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3
Q

What is a nonliving fluid matrix

A

Plasma

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4
Q

What are suspended in a nonliving fluid matrix?

A

Formed Elements

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5
Q

Reddish mass at the bottom of the tube?

A

Erythrocytes

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6
Q

Erythrocytes are also called?

A

Packed Cell Volume

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7
Q

Thin Whitish layer at the junction of Plasma and RBC

A

Buffy Coat

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8
Q

Liquid part of Blood

A

Plasma

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9
Q

% of Water in plasma?

A

90%

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10
Q

What are the 6 dissolved substances in plasma?

A
  1. Proteins
  2. Nutrients
  3. Salts
  4. Hormones
  5. Products of Cell metabolism
  6. Respiratory Gases
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11
Q

Oxygen Rich Blood Color?

A

Scarlet

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12
Q

Oxygen Poor Blood Color

A

Dull Red

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13
Q

A pigment that changes the color of the blood?

A

Hemoglobin

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14
Q

The color change of the blood depends on what?

A

Depends on the Degree of Oxygen Saturation

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15
Q

Odor of blood

A

Odorless

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16
Q

Odor of blood when exposed to air?

A

Metallic Scent

17
Q

The reason for the metallic scent of blood when exposed to air?

A

Iron in Hemoglobin

18
Q

What is the pH level of Blood?

A

Slightly Alkaline

19
Q

What is the range of pH value in blood?

A

7.35-7.45

20
Q

What regulates the pH level of blood?

A

Numerous Buffer

21
Q

What are the 2 that Viscosity measure in blood?

A
  1. Thickness
  2. Resistance to flow
22
Q

due to what 2 elements that causes viscosity in blood?

A
  1. Formed Elements
  2. Plasma Proteins
23
Q

How much viscous is blood than water?

A

5 times

24
Q

Blood Viscosity is ______ proportional to ______

A

Inversely // Hydration

25
Q

Less hydrated = ______

A

More Viscous

26
Q

Less Viscous = ______

A

More hydrated

27
Q

Severe dehydration can cause?

A

Infarction // Cardiovascular Events

28
Q

What is the normal temperature of blood?

A

38°C or 100.4 °F

29
Q

What are the 2 reasons for the temperature of the blood?

A
  1. Friction
  2. resistance to flow
30
Q

Friction and Resistance to Flow produces what?

A

Heat

31
Q

Volume of Blood in an adult female?

A

4-5 L

32
Q

Volume of blood in an adult male?

A

5-6 L

33
Q

Blood accounts for how many % of body weight?

A

8%

HEMA LAB (9 decks)

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