Exam 20: Blood

Two conditions that hasten blood clotting are a rough spot on the endothelium and abnormally slow moving blood.

Define hematocrit.How is it determined?

Match each blood cell life span with the corresponding blood cell type. -erythrocyte

Which of the following statements is not true of platelets?

The platelet count in the average adult is 500,000/mm³.

The terms packed cell volume and hematocrit are interchangeable.

Name and give the functions of each type of agranulocyte.

The average healthy young female has about 4 to 5 liters of blood in her body.

Match each substance involved in blood clot formation with its description or function. -substance that combines with calcium to convert fibrinogen to fibrin

A person with an antigen on the red blood cell and a different antigen in the blood plasma could be either blood type A or blood type B.

One of the ways platelets assist in blood homeostasis is to release chemicals that cause vasoconstriction in the blood vessels.

Mrs.Washington's blood type is O positive.Her husband's type is O negative.Her newborn baby's blood type is O negative.Does this combination of blood types present any concerns related to future pregnancies Mrs.Washington may have? Explain your answer.

In general terms,explain the difference between the process of agglutination,when incompatible blood groups are mixed,and coagulation,the formation of a blood clot.

Globulins constitute approximately 55% of the total plasma protein content.

If the recipient's blood type is A,to avoid agglutination,the donor's blood type may be either type O or type A.

One of the functions of basophils is to protect the body from parasitic worms.

Some white blood cells are named based on the type of substances that stain them for microscopic study.

A person without A or B antibodies in the blood must have blood type O.

Another term for plasma is interstitial fluid.

The heme portion of the hemoglobin molecule can carry oxygen to the cells and carbon dioxide away from the cells.