Exam 20: Blood

Platelets are formed only in red bone marrow.

Match each substance involved in blood clot formation with its description or function. -material that is composed of lipoproteins and phospholipids released by damaged cells

In order to maintain a constant level of red blood cells,about 2 billion red blood cells must be made per day.

A hematocrit value of 38 ml/100 ml of blood would be:

Another name for eosinophils could be acidophils.

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

In the indirect measurement of blood volume,it is assumed that the radioisotope is uniformly distributed in the blood.

How does the body benefit from the breakdown of aged or damaged red blood cells?

The buffy coat does not contain formed elements of the blood.

People with type O blood are considered universal recipients.

If an Rh-negative mother carries a second Rh-positive fetus,a condition called erythroblastosis fetalis could seriously jeopardize her health.

The function of blood clotting is hemostasis.

The approximate blood volume in a human can be determined by using:

The only people who can ever have anti-Rh antibodies in their plasma are Rh-positive men or women who have been transfused with Rh-negative blood or Rh-positive women who have carried an Rh-negative fetus.

Which type of white blood cells is thought to play a role in the prevention of clotting?

Whereas most vitamin K is synthesized by the liver,some is produced by bacteria in the small intestine.

A woman who is pregnant for the first time cannot possibly have anti-Rh antibodies in her blood.

Which white blood cell helps protect against parasitic worms?

Neutrophils contain granules that are able to release the anticoagulant heparin.

Maturation causes an increase in the size of red blood cells.