Blood Types And Transfusion Quiz Questions
- 1.Which of the following statements about blood is FALSE?
- A.
Contains buffers that control pH
- B.
Is about 55 percent plasma
- C.
Normal pH is 6.8 to 7.0
- D.
Is more viscous than water
- E.
None of the above is false- all are true
- 2.Whole blood for testing in a clinical laboratory is usually collected from
- A.
A superficial artery
- B.
An arteriole
- C.
A capillary
- D.
A superficial vein
- E.
The heart
- 3.A plasma protein essential for blood coagulation is
- A.
Metalloprotein D
- B.
Albumin alpha
- C.
Lipoprotein C
- D.
Fibrinogen
- E.
Immunoglobulin A
- 4.The average lifespan of a red blood cell is
- A.
24 hours
- B.
Many years
- C.
4 months
- D.
About 1 year
- E.
1 month
- 5.The function of hemoglobin is to
- A.
Carry oxygen
- B.
Carry carbon dioxide
- C.
Aid in the process of blood clotting
- D.
A, B, and C
- E.
A and B only
- 6.A person's blood type is determined largely by the
- A.
Volume of the RBCs
- B.
Chemical character of the hemoglobin
- C.
Presence of specific glycoproteins on the cell membrane
- D.
Size of the RBCs
- E.
Shape of the RBCs
- 7.All of the following are true of neutrophils, EXCEPT that they are
- A.
Active in fighting bacterial infections
- B.
Also known as polymorphonuclear leukocytes
- C.
Phagocytic
- D.
Important in coagulation
- E.
Granular leukocytes
- 8.__________ are large phagocytic white cells that spend most of their time outside the blood as fixed and free phagocytic cells.
- A.
Monocytes
- B.
Neutrophils
- C.
Eosinophils
- D.
Lymphocytes
- E.
Basophils
- 9.Most of the protein factors that are required for clotting are synthesized by
- A.
The liver
- B.
The kidneys
- C.
The spleen
- D.
Megakaryoctes
- E.
Platelets
- 10.A moving blood clot is called a(n)
- A.
Thrombus
- B.
Platelet plug
- C.
Procoagulant
- D.
Embolus
- E.
Plaque
- 11.Blood returning to the heart from the pulmonary circuit first enters the
- A.
Left ventricle
- B.
Left atrium
- C.
Right ventricle
- D.
Right atrium
- E.
Conus arteriosus
- 12.The cusps (leaflets) of atrioventricular valves attach directly to
- A.
Interarterial septa
- B.
Papillary muscles
- C.
Trabeculae carneae
- D.
Chordae tendinae
- E.
Coronary sulci
- 13.Blood flowing into the heart from the venae cavae flows next through the _______ valve.
- A.
Tricuspid
- B.
Mitral
- C.
Bicuspid
- D.
Aortic semilunar
- E.
Pulmonary semilunar
- 14.The pulmonary semilunar valve prevents backward flow into the
- A.
Pulmonary trunk
- B.
Aorta
- C.
Right ventricle
- D.
Pulmonary veins
- E.
Left atrium
- 15.The following is a list of vessels and structures that are associated with the heart
- right atrium
- left atrium
- right ventricle
- left ventricle
- venae cavae
- aorta
- pulmonary trunk
- pulmonary veins
- A.
1,7,3,8,2,4,6,5
- B.
5,3,1,7,8,4,2,6
- C.
1,2,7,8,3,4,6,5
- D.
5,1,3,8,7,2,4,6
- E.
5,1,3,7,8,2,4,6
- 16.The long plateau phase of the cardiac muscle action potential is due to
- A.
Increased membrane permeability to potassium ion
- B.
Decrease in the amount of calcium diffusing across the membrane
- C.
Calcium channels remaining open
- D.
Movement of fewer sodium ions across the cell membrane
- E.
Increased membrane permeability to sodium ions
- 17.The following are structural components of the conducting system of the heart
- Purkinje fibers
- AV bundle
- AV node
- SA node
- Bundle branches
- A.
3,2,4,5,1
- B.
4,2,3,5,1
- C.
4,3,2,5,1
- D.
3,5,4,2,1
- E.
1,4,3,2,5
- 18.The T wave on an ECG tracing represents
- A.
Atrial repolarization
- B.
Ventricular depolarization
- C.
Atrial depolarization
- D.
Ventricular repolarization
- E.
Ventricular contraction
- 19.The first heart sound is heard when the
- A.
Atria contract
- B.
AV valves open
- C.
AV valves close
- D.
Semilunar valves close
- E.
Blood enters the aorta
- 20.The wall of the left ventricle is thicker than the right because
- A.
The left ventricle does more work than the right ventricle
- B.
The left ventricle pumps a greater volume of blood than the right ventricle
- C.
The left ventricle produces a higher presser than the right ventricle
- D.
Both A and B
- E.
Both A and C
- 21.The muscular layer of a blood vessel is the
- A.
Tunica adventitia
- B.
Tunica externa
- C.
Tunica media
- D.
Tunica interna
- E.
Tunica intima
- 22.Compared to arteries, veins
- A.
Hold their shape better when cut
- B.
Have a pleated endothelium
- C.
Have thinner walls
- D.
Have a more smooth muscle in their tunica media
- E.
Are more elastic
- 23.Arrange the structures in the following list in the order that blood will encounter as it flows from the output side to the input side of the cardiovascular flow circuit
- venules
- arterioles
- capillaries
- elastic arteries
- medium veins
- large veins
- muscular arteries
- A.
5,6,1,3,2,7,4
- B.
4,7,2,3,1,5,6
- C.
6,5,1,3,2,7,4
- D.
7,4,2,3,1,5,6
- E.
2,7,6,3,1,5,6
- 24.Blood moves forward through veins because of all of the following, EXCEPT
- A.
Valves in the veins preventing the backward flow of blood
- B.
Muscular compression
- C.
The pressure in the veins is lower than in the arteries
- D.
Pumping by the smooth muscle in the wall of the vein
- E.
The respiratory pump
- 25.As blood travels from arteries to veins,
- A.
Pressure builds
- B.
Viscosity increases
- C.
Flow becomes turbulent
- D.
Diameter of the blood vessels gets progressively smaller
- E.
Pressure drops
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