Question 1

What is the contractile unit of a muscle cell?

Accepted Answer

Sarcomere

Answer

Myomere

Answer

Myofiber

Answer

Sarcoma

Question 2

What ion is required to move the Troponin/Tropomyosin complex off the myosin binding site on actin?

Accepted Answer

Calcium

Answer

Sodium

Answer

Potassium

Answer

Magnesium

Question 3

What is required for muscle contraction?

Accepted Answer

All of the above

Answer

ATP

Answer

Calcium

Answer

Nerve stimulation

Question 4

What is the most abundant protein in the blood?

Accepted Answer

Albumin

Answer

Immunoglobulin

Answer

Hemoglobin

Answer

Myoglobin

Question 5

Where does hemopoesis occur?

Accepted Answer

Bone Marrow

Answer

Spleen

Answer

Brain

Answer

Kidney

Question 6

What is the protein that carries oxygen in the red blood cell?

Accepted Answer

Hemoglobin

Answer

Globulin

Answer

Hemophilia

Answer

Hemoblobbin

Question 7

Another name for an antibody is called?

Accepted Answer

Agglutinin

Answer

Agglutinogen

Answer

Marker

Answer

Antigen

Question 8

First branch off of the aortic arch?

Accepted Answer

Brachiocephalic trunk

Answer

Subclavian artery

Answer

Subclavian vein

Answer

Coronary arteries

Question 9

Valves that close on systole?

Accepted Answer

Atrioventricular valves

Answer

Pulmonary valve

Answer

Semilunar valves

Answer

Aortic valve

Question 10

What happens during diastole?

Accepted Answer

Ventricle relaxation or filling

Answer

Pulmonary valve opens

Answer

Ventricle contraction

Answer

Atrial filling

Question 11

Cardiac output is the amount of blood that flows through the body per...?

Accepted Answer

Minute

Answer

30 seconds

Answer

Pump

Answer

Beat

Question 12

Arterioles and venules meet at what structure?

Accepted Answer

Capillary bed of tissues

Answer

They don't meet

Answer

Heart

Answer

Aorta

Question 13

What is true of valves?

Accepted Answer

All of the above

Answer

Can become damaged

Answer

Prevent backflow

Answer

Found in veins

Question 14

What is the thick filament of the muscle cell called?

Accepted Answer

Myosin

Answer

Actin

Answer

Tropomyosin

Answer

Troponin

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