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LC BIOLOGY TEST
Name: _____________________________________________
1. Blood is composed of:
a. Platelets, plasma, white blood cells, red blood cells
b. Platelets, tissue fluid, plasma, proteins
c. Platelets, lymph, tissue fluid, plasma
d. Platelets, plasma, bone marrow cells, lymph
2. Plasma makes up what percentage of blood volume?
a. 65%
b. 55%
c. 45%
d. 35%
3. Blood cells and platelets make up what percentage of blood volume?
a. 65%
b. 55%
c. 45%
d. 35%
4. Antibodies are produced by:
a. Lymphocytes
b. Red blood cells
c. Platelets
d. Monocytes
5. Serum is plasma from which the:
a. White blood cells have been removed
b. Red blood cells have been removed
c. Clotting factors have been removed
d. Antibodies have been removed
6. Haemoglobin contains the mineral:
a. Magnesium
b. Calcium
c. Zinc
d. Iron
7. The role of red blood cells is in:
a. Carrying carbon dioxide around the body
b. Carrying oxygen around the body
c. Carrying nutrients around the body
d. Carrying wastes around the body
8. Platelets are involved in: ______________________________
9. Give two overall functions of blood in the human body:
a. __________________________________________
b. __________________________________________
10. List the four of blood group types in humans:
a. ______________________
b. ______________________
c. ______________________
d. ______________________
11. Rhesus negative blood can be donated safely to:
a. Only Rhesus negative people
b. Only Rhesus positive people
c. Both Rhesus negative and Rhesus positive people
d. Neither Rhesus negative nor Rhesus positive people
12. Name the shape of red blood cells: _________________________________
13. What is the advantage does this shape give red blood cells?
__________________________________________________________________________________
14. What is the function of lymphocytes?
________________________________________________________
15. What is the function of monocytes?
________________________________________________________
16. Give one advantage of a closed circulatory system?
________________________________________________________
17. Draw clearly labelled diagram of a trasverse section of both an artery and a vein ensuring you show
the differences between each:
18. In the human heart, oxygenated and deoxygenated blood are transported by the:
a. Right and left sides of the heart, respectively
b. Left and right sides of the heart, respectively
c. Both sides of the heart
d. Aorta
19. Name the two separate blood circuits in the human:
a. ________________________________
b. ________________________________
20. The right ventricle pumps blood into the:
a. Aorta
b. Pulmonary artery
c. Pulmonary vein
d. Inferior vena cava
21. The left ventricle pumps blood into the:
a. Aorta
b. Pulmonary artery
c. Pulmonary vein
d. Inferior vena cava
22. The tricuspid valve is located:
a. On the left side of the heart between the atrium and ventricle
b. Where the aorta and pulmonary artery exit the heart
c. Where the pulmonary veins enter the right atrium
d. On the right side of the heart between the atrium and ventricle
23. The bicuspid valve is located:
a. On the left side of the heart between the atrium and ventricle
b. Where the aorta and pulmonary artery exit the heart
c. Where the pulmonary veins enter the right atrium
d. On the right side of the heart between the atrium and ventricle
24. The semilunar valves are located:
a. On the left side of the heart between the atrium and ventricle
b. Where the aorta and pulmonary artery exit the heart
c. Where the pulmonary veins enter the right atrium
d. On the right side of the heart between the atrium and ventricle
25. Draw a diagram of the internal structure of the human heart and label the following: vena cava; aorta;
left ventricle; right ventricle; pulmonary vein; pulmonary artery; tricuspid valve.
26. The hepatic portal system connects the:
a. Digestive system to the heart
b. Digestive system to the lungs
c. Digestive system to the liver
d. Digestive system to the rest of the body
27. Blood is supplied to the heart muscle itself via the ______________________
28. The pacemaker/sino-atrial (SA) node is located:
a. At the top of the left atrium
b. At the top of the right atrium
c. At the top of the left ventricle
d. At the top of the right ventricle
29. The atrio-ventricular node is located:
a. At the bottom of the left atrium
b. At the bottom of the right atrium
c. At the bottom of the left ventricle
d. At the bottom of the right ventricle
30. Oxygenated blood is transported by the:
a. Right side of the heart
b. Left side of the heart
c. Atria
d. Ventricles
31. The hepatic portal vein carries blood from the:
a. Liver to the digestive system
b. Heart to the digestive system
c. Liver to the heart
d. Digestive system to the liver
32. Arteries have:
a. Large lumen, thick wall, and valves
b. Small lumen, thick wall, and no valves
c. Large lumen, thin wall, and valves
d. Small lumen, thin wall, and no valves
33. Systole and diastole:
a. Both involve relaxation of the cardiac tissue
b. Involve contraction and relaxation, respectively
c. Involve relaxation and contraction, respectively
d. Both involve contraction of the cardiac tissue
34. Briefly describe the sequence of events in one cardiac cycle:
__________________________________________________________________________________
__________________________________________________________________________________
__________________________________________________________________________________
__________________________________________________________________________________
__________________________________________________________________________________
__________________________________________________________________________________
__________________________________________________________________________________
__________________________________________________________________________________
__________________________________________________________________________________
__________________________________________________________________________________
__________________________________________________________________________________
35. What instrument do doctors use to measure blood pressure? _________________________________
36. State the normal values for blood pressure in a healthy human: ____________________
37. State one effect exercise has on the circulatory system:
__________________________________________________________________________________
__________________________________________________________________________________
38. Give two functions of the lymphatic system:
a. ____________________________________________
b. ____________________________________________
39. Tissue fluid is:
a. Fluid that is forced from capillaries and surrounds cells
b. Fluid found in cells
c. Fluid of the blood
d. The fluid found in synovial joints
40. Excess tissue fluid is drawn away by:
a. Lymph vessels only
b. Capillaries only
c. Both lymph vessels and capillaries
d. Veins
41. Lymph nodes:
a. Store lymph
b. Fight infection
c. Send electrical signals to the central nervous system
d. Secrete hormones
42. How is lymph transported along lymph vessels?
a. By blood pressure
b. By the lymph nodes
c. By contraction of skeletal and smooth muscle
d. By the heart