Chap 14 A&P

Erythroblastosis fetalis may occur in

• a first Rh-positive fetus developing in an Rh-negative woman.

• a first Rh-negative fetus developing in an Rh-negative woman.

• a second Rh-negative fetus developing in an Rh-negative woman.

• a second Rh-positive fetus developing in an Rh-negative woman.

Universal precautions are

• rules used to avoid mismatched blood types in transfusions.

• specific measures that health-care workers should take to prevent transmission of bloodborne pathogens in the workplace.

• the careful administration of clotting factors to stop bleeding during surgery.

• specific measures that astronauts take in space to avoid leaving microorganisms beyond the Earth.

The proteins that B cells produce that attack foreign molecules are

• lymphocytes

• antibodies

• antgens

• interluekins

The form of anemia caused by lack of dietary iron is

• pernicius anemia

• iron deficiency anemia

• hemolytic anemia

• aplastic anemia

Blood vessel spasms following an injury are stimulated by

• serotonin released from platelets.

• the release of heparin from eosinophils.

• parasympathetic impulses.

• the formation of a fibrin clot.

Athletes abuse erythropoeitin (EPO) because it

• increase red blood cell supply, which brings more oxygen to muscles

• decreases the red blood cell supply, which brings more oxygen to muscle cells.

• increases the white blood cell supply, which prevents infection.

• increases the red blood cell supply, which depletes oxygen from muscle cells.

Which of the following are agranulocytes?

• eosinophils

• monocytes

• neutrophils

• basophils

The red blood cells of type AB blood have on their surfaces

• neither antigens A or B

• Antigen A only

• Antigen B only

• Antigens A and B

Formed elements are

• serum and plasma

• blood cells and platelets

• blood and lymph

• sodium and potassium

The test reveals high amounts of nonprotein nitrogenous substances in the blood plasma, particularly urea. Which of the following organs is most likely malfunctioning?

• liver

• kidney

• heart

• small intestine