The formed element that makes the highest percentage of blood volume, and the name of the measurement using that percentage:

RBCS (erythrocytes) and hematocrit

The valve regulating the passage of blood from the atria to the ventricles:

AV Valves (Mitral/Bicuspid and Tricuspid valves)

The structure of the heart that performs its work

Myocardium

From a list of vessels leaving/entering the heart identify those that carry oxygen-poor blood (5)

Pulmonary trunk, pulmonary arteries, superior vena cava, inferior vena cava, coronary sinus

The space enclosing the heart:

The pericardial cavity

The name of the pacemaker that starts each heartbeat: (node)

Sinoatrial (SA) node

The different parts of the conduction system of the heart (6)

SA node, AV node, AV bundle (bundle of His), right and left bundle branches, Purkinje fibers

The number of vessels returning blood to the heart

six

The number of vessels returning blood to the right side of the heart

three

The number of vessels returning oxygenated blood to the heart

four

The number of vessels returning non oxygenated blood to the heart

two

Where in the body the greatest volume of blood is found

Systemic veins

The structure that regulates blood flow through a capillary bed

Precapillary sphincters

The circulatory site/location where exchange of nutrients and gases between the blood and tissues takes place:

Capillaries

The collection site of the venous blood of the coronary circulation:

Coronary sinus

The suggestive diagnosis of an abnormally high number of monocytes

Monocytosis

Whether a person develops anti-A antibodies only after exposure to antigen A, and anti-B antibodies only after exposure to antigen B:

False

Whether incompatibility of one person’s blood with another results from the action of plasma antibodies against the RBC antigens

True

Whether coagulation starts with a vascular spasm and ends with the formation of a platelet plug:

False

The two organs where most RBCs die

Spleen and liver

The deficiency of what nutrient causes pernicious anemia?

Vitamin B12

The blood type of the universal donor of RBCs

Type O negative

The antigens and antibodies in an individual with type B, Rh-positive blood:

Antigens: B and Rh

Antibodies: anti-A

the least abundant of the formed elements

white blood cells (leukocytes)

the WBC type that typically increases in response to bacterial infections

Neutrophils

The WBC cells that aid in the body’s defense by secreting histamine and heparin

Basophils

The condition of having a total WBC count greater than 10,000 WBCs/µL:

Leukocytosis

The largest leukocyte that typically has a kidney- or horseshoe-shaped nucleus

Monocyte

The term referring to abnormal clotting of blood in an unbroken vessel

Thrombus

the term referring to a broken clot traveling in the bloodstream:

Embolus

Where in the body hematopoietic stem cells are found

Red bone marrow