Blood

Question 1

Which type of blood cell carries oxygen and carbon dioxide?

Answer 1

RBC

Question 2

Which type of blood cell participates in immunological responses?

Answer 2

WBC

Question 3

Which type of blood cell promotes clotting?

Answer 3

platelets

Question 4

5,000 to 10,000 per uL

Answer 4

WBC

Question 5

4 to 5 million per uL

Answer 5

RBC

Question 6

12 to 16 grams per dL*

Answer 6

HGB

Question 7

40 to 50 %*

Answer 7

HCT

Question 8

150,000 to 400,000 per uL

Answer 8

Platlets

Question 9

What are these?

Answer 9

RBCs

Question 10

(60-70%) increased with acute infection –

Answer 10

Neutrophils

Question 11

(20-30%) increased with chronic infection –

Answer 11

Lymphocytes

Question 12

(3-8%) may be increased during infection –

Answer 12

Monocytes

Question 13

(2-4%) increased with chronic allergy, parasitic worms

Answer 13

Eosinophils

Question 14

(<1%) usually constant

Answer 14

Basophils

Question 15

What type of WBC is this?

Answer 15

Neutrophil

Question 16

What type of WBC is this?

Answer 16

Eosinophil

Question 17

What type of WBC is this?

Answer 17

Basophil

Question 18

What type of WBC is this?

Answer 18

Lymphocyte

Question 19

What type of WBC is this?

Answer 19

Monocyte

Question 20

What are these?

Answer 20

platelets

Question 21

• Cell fragments 2–4 µm in diameter derived from megakaryocytes of bone marrow.
• Release the content of their granules upon contact with collagen
• Promote clot formation and reduce blood loss from the vasculature

Answer 21

platelets

Question 22

• 3-8% of WBC.
• 12—20 microns in size.
• Actively phagocytic and MOTILE cell, use diapedesis. •Large nucleus, indented on one side.
• Presence in blood is temporary.
• Lysosomes in cytoplasm. •

Answer 22

monocyte

Question 23

• 20-30% of WBCs :
• Small (90%), Medium, Large 6-18 u
• Round nucleus, round cell, thin rim of cytoplasm.
• Three indistinguishable types in smears: T and B –90% in blood are T cells, remainder are B cells or –Natural Killer cells (no markers of either T or B) –Immunocytochemical staining for surface receptors used to identify T and B cells.

Answer 23

lymhocyte

Question 24

• 25-200 per microliter. 0-1% of leukocytes.
• Nucleus bilobed, may be masked by granules.
• Large, BASOPHILIC granules, 10-100 per cell
• Contain HISTAMINE, HEPARIN, ECF
• Act to dilate vessels and increase vascular permeability •Closely related to Mast Cells

Answer 24

Basophils

Question 25

• 100—400 per microliter, 2-4% of WBCs
• Bilobed Nucleus
• Motile cell capable of diapedesis
• Live for few days, 30 hrs spent in circulation
• Associated with ALLERGIC RXNS, PARASITES
• Common in dermis, bronchial tree, vagina, uterus, alimentary tract

Answer 25

Eosinophils

Question 26

• Multilobulated nuclei : polymorphonuclear leukocytes •approximately twice that of the surrounding erythrocytes •Pale (neutral) granules
• Phagocytosis and oxidative bursts
• Can damage tissue

Answer 26

Neutrophils

Question 27

-99% of blood cells •

• Biconcave Disk- advantageous shape
• Anucleate in mature form
• Elastic, readily deform, rebound easily
• Spectrin binds to inner part of plasmalemma with actin filaments to maintain shape of cell
• essentially Hemoglobin bounded by plasmalemma

Answer 27

Erythrocytes (RBCs)

Question 28

projections extending from a smaller central area of a RBC, like a spiked ball. These may be either large, irregular spicules of acanthocytes, or smaller, more numerous, regularly irregular projections.

Answer 28

crenated RBC

Question 29

• RBCs sticking together

Answer 29

rouleaux

Question 30

middle portion of RBC looks slighter since its thinner

Answer 30

central pallor

Question 31

different sizes of RBCs

Answer 31

anisocytosis

Question 32

what is the moelcule used iby macrophages to identify worn out RBCs?

Answer 32

Band 3

Question 33

what is a reticuloycte?

Answer 33

an immature RBC