Circulatory System

Which blood type has Type A antibodies? 

• Type O

• Type AB

• Type B

• Type B and Type O 

Which heart structure is also known as the mitral valve? 

• bicuspid valve

• left atrium and left ventricle

• right atrium and right ventricle

• tricuspid valve

The smallest components of blood that are composed of fragments of megakaryocytes are called: 

• erthrocytes

• leukocytes

• plasma

• thrombocytes

The lower chambers of the heart are the:

• atria

• endocardium

• cardioseptum

• ventricles

A blood cell that is bi-concave in shapre and contains hemoglobin is called a/an:

• erythrocyte

• leukocyte

• plasma

• platelet

When blood passes through the pulmonary valve, which vessel does it enter? 

• aorta

• pulmonary artery

• pulmonary vein

• vena cava

The liquid portion of blood that comprises 55% of the blood's volume is called:

• erythrocyte

• leukocyte

• plasma

• thrombocyte

Which heart structure is located between the right atrium and right ventricle? 

• bicuspid valve

• left atrium

• left ventricle

• tricuspid valve

Which vessel is strong and elastic in order to undergo increased pressure as blood travels to the lungs?

• capillary bed

• ductus arteriosis

• portal vein

• pulmonary artery 

What are the upper chambers of the heart? 

• bicuspid and tricuspid

• left atrium and right atrium

• left ventricle and right ventricle

• biscuped and mitral