Exercise 29

Question 1

why is a differential WBC count more valuable than a total WBC count when trying to determine the specific source of pathology

Answer 1

pinpoint problem because cells are specialized

Question 2

cell fragments

Answer 2

platelets

Question 3

transports oxygen

Answer 3

red blood cells

Question 4

ABO blood type is least common

Answer 4

AB

Question 5

exits a blood vessel to develop into a macrophage

Answer 5

monocyte

Question 6

if you had a high hematocrit, would you expect your hemoglobin determination to be high or low? Why?

Answer 6

high; increase hematocrit, increase RBC count, and high hemoglobin

Question 7

agranulocytes

Answer 7

lymphocyte and monocyte

Question 8

list the formed elements present in the blood

Answer 8

RBC, WBC, and platelets

Question 9

most numerous leukocyte

Answer 9

neutrophil

Question 10

ABO blood type is most common

Answer 10

O

Question 11

condition of too few RBCs or of RBCs with hemoglobin deficiencies

Answer 11

anemia

Question 12

primary water, noncellular; the fluid matrix of blood

Answer 12

plasma

Question 13

the least numerous but largest of all agranulocytes is the:

Answer 13

monocyte

Question 14

phagocytic leukocyte

Answer 14

monocyte, neutrophil, and eosinophil

Question 15

blood typing is based on the presence of proteins known as —- on the outer surface of the red blood cell plasma membrane

Answer 15

antigens

Question 16

releases histamine; promotes inflammation

Answer 16

basophil

Question 17

involved in destroying parasitic worms

Answer 17

eosinophil

Question 18

what blood type is theoretically considered the universal donor? Why?

Answer 18

O-; no antigens to sensitive blood negative should not take positive but positive can take negative

Question 19

abnormal increase in the number of RBCs

Answer 19

polycythemia

Question 20

are the leukocytes responsible for releasing histamine and other mediators of inflammation

Answer 20

basophil

Question 21

precursor cell of platelets
*thrombcyte

Answer 21

megakaryocyte

Question 22

abnormal decrease in the number of WBCs

Answer 22

leukopenia

Question 23

define hematocrit

Answer 23

percentage of blood cell volume

Question 24

normal values (healthy male adults) total WBC count

Answer 24

4k-10k cu mm

Question 25

normal values (healthy male adults) total RBC count

Answer 25

4-6 million

Question 26

what is the average lifespan of a red blood cell? How many is anucleate condition affect this life span?

Answer 26

100-120 days; aneorbic respiration; limited number of ATP; short life span

Question 27

a permanent move from sea level to high-altitude area

Answer 27

increase because of low oxygen

Question 28

the normal hematocrit value for ---- generally higher than that of the opposite gender

Answer 28

males

Question 29

produces antibodies * b-cells

Answer 29

plasma

Question 30

define formed elements

Answer 30

blood cells/ cell like structures

Question 31

the five types of white blood cells

Answer 31

neutrophil, basophil, eosinophil, monocyte, and lymphocyte

Question 32

body’s natural anticoagulant

Answer 32

heparin

Question 33

also called an erthrocyte; anucleate formed element

Answer 33

red blood cell

Question 34

blood volume of an average-size adult male

Answer 34

5-6 liters

Question 35

granulocytes

Answer 35

basophil, neutrophil, and eosinophil

Question 36

three types of formed elements found in blood include erythrocytes, leukocytes, and:

Answer 36

platelet

Question 37

what determines whether blood is bright red or a dull brick red

Answer 37

oxygenation

Question 38

abnormal increase in the number of WBCs

Answer 38

leukocytosis

Question 39

describe the consistency and color of the plasma you observed in the laboratory

Answer 39

sticky, light straw color

Question 40

long-term effect of athletic training (for example running 4 to 5 miles per day over a period of 6-9 months)

Answer 40

increase RBC due to increase demand for oxygen

Question 41

substance that inhibits coagulation, heparin and EDTA

Answer 41

anticoagulant

Question 42

normal values ( healthy male adults) bleeding time

Answer 42

0-5 minutes

Question 43

blood volume of an average-size adult female

Answer 43

4-5 liters