Quiz 10: Blood

Question 1

What long, hair-like molecules form the basis of a clot during coagulation?

Answer 1

Fibrin

Question 2

Life at a high altitude, where less oxygen is available, can lead to a red blood cell disorder known as ________.

Answer 2

Polycythemia

Question 3

Substances that the body recognizes as foreign are called ________.

Answer 3

Antigens

Question 4

Abnormally low levels of white blood cells causes a condition known as ________.

Answer 4

Leukopenia

Question 5

What is the name of the process by which white blood cells move in and out of blood vessels?

Answer 5

Diapedesis

Question 6

A recent blood test shows that Mr. Jimenez’s total WBC count exceeded 11,000 cells/mm3. What is most likely his condition?

Answer 6

Leukocytosis

Question 7

The percentage of erythrocytes in blood is known as the ________.

Answer 7

Hematocrit

Question 8

What is necessary for the transport of oxygen by an erythrocyte?

Answer 8

Hemoglobin

Question 9

A decrease in the oxygen-carrying ability of the blood, for any reason, is a condition known as ________.

Answer 9

Anemia

Question 10

What hormone controls the rate of erythrocyte production?

Answer 10

Erythropoietin