Lab 7- Blood

Question 1

Blood-borne pathogens include:

Answer 1

HIV, Hepatitis B and C Viruses, etc.

Question 2

Erythrocytes

Answer 2

Normal count: 42-52% males and 37-48% females.

F: transport of O2

Question 3

Iron deficient RBC

Answer 3

F: no function
C: more pale

Question 4

Sickle cell

Answer 4

No function

Question 5

Reticulocyte

Answer 5

Normal count: 1-2%

F: increased when RBC turnover is high.

Question 6

Neutrophil

Answer 6

Normal count: 60-70%
F: first response to a bacterial infection.
C: polynucleiated, stain neutral (clear cytoplasm), multiple lobes.

Question 7

Eosinophil

Answer 7

Normal count: 2-4%
F: slow down/reduce inflammation
-attack worms
-release histamine
C: nucleus with 2 or 3 lobes connected by a thin strand.

Question 8

Basophil

Answer 8

Normal count: <1%
Granulocyte
F: involved in inflammation and allergy reactions.
-release heparin, histamine, and serotonin.
C: large, dark purple, variable sized granules stain with basic dyes. (raspberry)

Question 9

Monocyte

Answer 9

Normal count: 3-8%
Agranulocyte
F: destroy microbes, clean up dead tissue, take longer to reach site of infection but in larger numbers, become wandering macrophages.
C: nucleus is kidney or horseshoe shaped.

Question 10

Lymphocyte

Answer 10

Normal count: 20-25%
Agranulocyte
F: for T and B cells 
-viral infection
-produce antibodies 
C: dark, oval to round nucleus (pupil)
-cytoplasm sky blue in color.

Question 11

Platelets

Answer 11

Normal count: 150,000-400,000/drop of blood
Thrombocyte (red bone marrow)
F: blood clotting.
C: disc shape, 2-4 micron with no nucleus.

Question 12

What is the normal hemoglobin concentration in females?

Answer 12

12-16g/dL

Question 13

What is the normal hemoglobin concentration in males?

Answer 13

13-18g/dL

Question 14

What is the normal hematocrit in females?

Answer 14

37-48%

Question 15

What is the normal hematocrit in males?

Answer 15

42-52%

Question 16

Why is there a gender difference?

Answer 16

• testosterone stimulates synthesis of eryhtropoietin….

- lower values in women due to mensuration.

Question 17

Blood type A

Answer 17

serum antibodies present: B
red cell antigens present: A
can receive blood from these types: A and O
can donate blood to these types: A and AB

Question 18

Blood type B

Answer 18

serum antibodies present: A
red cell antigens present: B
can receive blood from these types: B and O
can donate to these types: B and AB

Question 19

Blood type AB

Answer 19

serum antibodies present: none
red cell antigens present: A and B
can receive blood from these types: All
can donate to these types: AB

Question 20

Blood type O

Answer 20

serum antibodies present: A and B
Red cell antigens present: none
can receive blood from: O
can donate to these types: All

Question 21

Which is the universal donor, Why?

is it Rh negative or positive?

Answer 21

O-
the plasma contains no antigens.

Rh-

Question 22

Which is the universal recipient, why?

Answer 22

AB+

plasma contains no antibodies but all antigens.

Question 23

what would happen if a type A person (recipient) inadvertently is given type B blood (donor)?

Answer 23

it would clump, agglutination.

Question 24

What would happen if type O person is given type AB blood?

Answer 24

agglutination

Question 25

What would happen if Type AB person is given type O blood?

Answer 25

nothing

Question 26

What parental genetics are needed to yield a child with OO (Type O) blood?

Is there more than one possibility for each parents blood type?

Answer 26

OOxOO
AOxBO
AOxOO
BOxOO
AOxAO
BOxBO

yes

Question 27

Could two parents have a child with Type O blood and a child with Type AB blood?

Answer 27

yes, AOxBO

Question 28

could 2 parents have a child with Type O blood and a child with Type A blood?

Answer 28

yes
AOxBO
AOxAO
AOxOO