For a person whose hematocrit is 45, in which choice below are the components of blood correctly ranked in order of decreasing percent volume?
A. WBCs, plasma, RBCs
B. RBCs, WBCs, plasma
C. plasma, RBCs, WBCs
D. plasma, WBCs, RBCs
E. WBCs, RBCs, plasma
(
Question 2) When large quantities of blood are lost, erythrocytes must be replaced to restore
A. the body's ability to fight infection.
B. oxygen-carrying capacity.
C. thrombin levels.
D. normal blood pH.
E. iron levels.
(
Question 3) In which of the following situations might Rh incompatibility develop?
A. Mother is Rh negative; fetus is Rh negative
B. Mother is Rh positive; father is Rh positive
C. Mother is Rh negative; fetus is Rh positive
D. Mother is Rh positive; fetus is Rh negative
E. Mother is Rh positive; fetus is Rh positive
(
Question 4) The hematocrit is
A. an estimate of blood flow/hour.
B. the number of WBCs per mm3.
C. the amount of hemoglobin by weight in the blood.
D. the percentage of RBCs in a given volume of blood.
E. the number of RBCs in the body.
(
Question 5) Why would a person have anti-Rh antibodies present in their blood?
A. They are Rh-positive and were exposed to Rh-negative blood.
B. An Rh-negative woman is carrying an Rh-positive fetus.
C. An Rh-positive woman is carrying an Rh-negative fetus.
D. A person can not have anti-Rh antibodies in their blood.
(
Question 6) In hemolytic disease of the newborn,
A. antibodies from the mother cross the placenta and affect the fetus.
B. hemolysis of white blood cells may occur.
C. fibrin is hydrolyzed.
D. the mother frequently dies during childbirth.
E. antibodies from the fetus cross the placenta and affect the mother.
(
Question 7) Hemolytic disease of the newborn (HDN) occurs when
A. an Rh-positive woman is carrying an Rh-positive fetus.
B. an Rh-positive woman is carrying an Rh-negative fetus.
C. an Rh-negative woman is carrying an Rh-negative fetus.
D. an Rh-negative woman is carrying an Rh-positive fetus.
(
Question 8) RhoGam injections are given to
A. desensitize the fetus.
B. activate fetal Rh antigens.
C. protect the father.
D. prevent sensitization of the mother.
E. change the mother's blood type.
(
Question 9) When a person is transfused with the wrong blood type,
A. the white cells clot.
B. hemorrhaging occurs.
C. fibrinogen is activated.
D. the erythrocytes agglutinate.
E. they bleed to death.
(
Question 10) Which blood type is considered the universal recipient?
A. Type A
B. Type B
C. Type AB
D. Type O
Quick Reply
