Ch 17 blood : practice test: hw

Formed elements make up about what percentage of blood?

45%

How do basophils respond to tissue damage? (Module 17.9B)

Basophils enter damaged tissue and release a variety of chemicals, including histamine, which promotes inflammation.

What is hematology? (Module 17.4A)

Hematology is the study of blood, blood-producing organs, and blood disorders.

The intrinsic pathway of coagulation is activated by the

activation of proenzymes exposed to collagen.

Hemolytic disease of the newborn may result if

an Rh-negative mother carries an Rh-positive fetus.

Which of these is not one of the formed elements of blood?

antibodies

Each of the following is a way that blood transports materials around the body except

carbon dioxide from the lungs to the tissues.

The function of hemoglobin is to

carry oxygen.

Which of these descriptions best matches the term lymphocytes?

defend against specific pathogens or toxins

Identify the components of the cardiovascular system. (Module 17.1A)

heart, blood, and blood vessels

The waste product bilirubin is produced from

heme molecules lacking iron

Which organ secretes most of the plasma proteins?

liver

All of the following are heritable blood disorders except

malaria.

All of the following blood disorders are due to specific issues with RBCs except

myeloid leukemia.

Most of the iron that is removed from degraded hemoglobin is

recycled to red bone marrow.

The process of white blood cell production and maturation goes on in all of the following except

the kidney.

Most of the protein factors that are required for clotting are synthesized by

the liver.

Which of the following vitamins is needed for the formation of clotting factors?

vitamin K

Overall, the most common blood type is

O

Compare oxyhemoglobin with deoxyhemoglobin. (Module 17.5C)

Oxyhemoglobin is hemoglobin whose iron has bound oxygen. Deoxyhemoglobin is hemoglobin whose iron has not bound oxygen.