BIO131 Exam 4 Review

What is the percentage of erythrocytes in the blood called?

• Hematocrit

• Erythropoiesis

• Leukocytosis

• Thrombopoiesis

What is part of both the heart wall and the pericardium?

• Myocardium

• Epicardium

• Endocardium

• Pericardial fluid

What type of valve is opened and closed by strings attached to muscles?

• Semilunar valve

• Atrioventricular valve

• Tricuspid valve

• Bicuspid valve

What sets the sinus rhythm?

• Atrioventricular node

• Sinoatrial node

• Purkinje fibers

• Bundle of His

The T wave on an Electrocardiogram corresponds to the ________ of the ventricle.

• Depolarization

• Repolarization

Veins have ________ to prevent backflow of blood.

• Valves

• Muscles

• Capillaries

• Arterioles

Of the two categories of Leukocytes, ________ are the ones that have visible granules.

• Lymphocytes

• Agranulocytes

• Granulocytes

• Erythrocytes

Red blood cells are produced in the ________.

• Liver

• Spleen

• Bone marrow

• Lymph nodes

The development of platelets is called ________.

• Hematopoiesis

• Erythropoiesis

• Thrombopoiesis

• Leukopoiesis

An injury to a blood vessel initiates the process called ________.

• Coagulation

• Hemostasis

• Hematopoeisis

• Thrombopoesis