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Flashcards in WK6 - Quiz Questions Deck (13)
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Q

White blood cells, which are aslo known as leukocytes:
A-Include the granulocytes: neutrophils, eosinophils and basophils
B-Include agranulocytes: monocytes and lymphocytes
C-Include Cells containing hemoglobin but not nuclei
D-A and B are correct
E- A, B and C are correct

A

D - they include the granulocytes and agranulocytes

1
Q

How do white blood cells differ from red blood cells?
A-WBC have nuclei, RBC do not
B-WBC have MHC antigens, RBC do not
C-WBC can leave the blood vessels, RBC cannon
D- A and B are correct
E-A, B and C are correct

A

E - WBC have nuclei, RBC do not, WBC have MHC antigens, RBC do not, WBC can leave the blood vessels, RBC cannon.

2
Q
The Differential count of a person suffering from both allergies and parasitic worms would probably reveal elevated numbers of:
A-eosinophils
B-neutrophils
D- A and B are correct
E-A, B and C are correct
A

D - they would have elevated numbers of Eosinophils and basophils

3
Q

Platlets-
A-stop bleeding by plugging holes in blood vessels
B-release chemicals that make blood clot
C- are cell fragments rather than intact cells
D-A and B are correct
E - A,B and C are correct

A

E - platelets stop bleeding, release chemicals that make the blood clot and are cell fragments.

4
Q
Each of the following is a constituent of plasma EXCEPT:
A) water
B) proteins
C) formed elements
D) nutrients
E) gases
A

D) nutrients

5
Q

Which of the following is NOT correct?
A) Mature red blood cells are called erythrocytes.
B) RBCs have a spheroidal shape.
C) The average life span of an erythrocyte is 120 days.
D) Most adults have around 5 million RBCs / microliter of blood.
E) The body produces about 2 million erythrocytes per second.

A

B) RBCs have a spheroidal shape.

6
Q

Hemoglobin
A) constitutes 90% of an erythrocyte’s mass.
B) consists of one alpha and one beta chain of protein.
C) has a central protein called heme.
D) has an Fe 2+ at the center of its heme group.
E) binds CO2 to the Fe 2+ at the center of its heme group.

A

D) has an Fe 2+ at the center of its heme group.

7
Q

When hemoglobin is recycled, what happens to the heme group?
A) It is digested into amino acids, which are used by cells to build new proteins.
B) It is transported back to the bone marrow by ferritin or transferrin.
C) It is converted to biliverdin and then to bilirubin.
D) A and B are correct.
E) A, B and C are correct.

A

C) It is converted to biliverdin and then to bilirubin.

8
Q

transport iron

A

globulin

9
Q

antibodies

A

immunoglobulin

10
Q

include B cells, T cells, NK cells

A

lymphocytes

11
Q

numbers increase greatly during bacterial infections, burns and inflammations

A

neutrophils

12
Q

numbers increase in viral and fungal infections become large phagocytic cells once they leave the blood vessels

A

monocytes