Blood Test Review

Question 1

Blood is

Answer 1

The only fluid tissue in the human body.
Classified as a connective tissue

Question 2

Living cells

Answer 2

Formed elements

Question 3

Non-living matrix

Answer 3

Plasma

Question 4

Function of the blood (5)

Answer 4

• Oxygen and carbon dioxide transport
• Nutrient transport
• Waste Transport
• Transport of other essential molecules i. (antibodies, hormones,, etc.)
• Fighting infection

Question 5

Centrifuge

Answer 5

The location where a blood sample is spun in to seperate the components

Question 6

Hematocrit

Answer 6

Percent of a blood sample that is composed of RBC’s (Red Blood Cells)

Question 7

Packed cell volume percentage

Answer 7

45% formed elements

Question 8

Buffy coat

Answer 8

A thin, whitish-tan layer on top of the RBC fraction - Contains WBC (White Blood Cells)

Question 9

Plasma

Answer 9

Liquid portion of a blood sample which is 55%

Question 10

Physical characteristics of Blood

Answer 10

• Color range
  Oxygen-rich blood is scarlet red
  Oxygen-poor blood is dull red
• pH must remain between 7.35 and 7.45. Anything above 7.45 is Alkaline
• Blood temperature is slightly higher than body temperature

Question 11

Blood Plasma

Answer 11

• Composes of 90% of water
• Includes many dissolved substances:
  Nutrients
  Salts (metal ions)
  Respiratory gases
  Hormones
  Proteins
  Waste products

Question 12

Plasma Proteins

Answer 12

Albumin - Regulates osmotic pressure
Fibrinogens (clotting protein) - help to stem blood loss when a blood vessel is injured
Globulins - help protext the body from antigens, offer immune support.

Question 13

Formed elements of the blood

Answer 13

Erythrocytes - red blood cells, RBC’s; most numerous of all the blood cells
Leukocytes - White blood cells; WBC’s
Platelets (thrombocytes) = cell fragments

Question 14

• cytes

Answer 14

Cells

Question 15

HEME

Answer 15

Iron

Question 16

Globin

Answer 16

Containing protein

Question 17

Hemoglobin

Answer 17

• Is the pigment that gives blood its bright red color.
• Each hemoglobin molecule has four oxygen blinded sites
  It will also carry co2 back to the lungs