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Learning Quiz | Hemostasis and RBC's
Terms in this set (10)
If an Rh-negative mother is giving birth to an Rh-positive infant, the healthcare provider should be prepared to administer:
Rh immune globulin
The injection of Rh immune globulin prevents sensitization in Rh-negative mothers who have given birth to Rh-positive infants if administered at 28 weeks' gestation and within 72 hours of delivery, abortion, or genetic amniocentesis. Antihistamines, alpha interferon, or infliximab are not used in this situation.
A client presents to his physician with a red face, hands, feet, and ears; a headache; and drowsiness. A blood smear reveals an increased number of erythrocytes. Based on the laboratory results, the healthcare provider prepares teaching material for which disease process?
Unregulated overproduction of the red cell mass is termed polycythemia
A client was recently diagnosed with iron deficiency anemia. The healthcare provider anticipates which treatment to be prescribed?
Iron supplementation and dietary teaching
Decreased ferritin levels usually indicate the need for a prescription of iron supplements such as ferrous sulfate.
A 42-year-old male client recently diagnosed with liver cancer is noted as at high risk for bleeding abnormalities. The healthcare provider recognizes this risk as a result of:
the reduction of clotting factors synthesized in the liver.
In liver disease, synthesis of clotting factors is reduced and bleeding may result. Vitamin K would not be produced in large amounts of active form in a diseased liver. Vitamin C deficiency in the diet would not contribute to increased bleeding.
Clients with lung disease can develop polycythemia as a result of which condition?
Secondary polycythemia results from a physiologic increase in the level of erythropoietin, commonly as a compensatory response to hypoxia. Conditions causing hypoxia include living at high altitudes, chronic heart and lung disease, and smoking.
Normal red blood cells live an average of about how many days?
After birth, red blood cells are normally made in which location?
After birth, red blood cells are produced in the red bone marrow. Until a child is 5 years old, almost all bones produce red cells to meet the growth needs of a child, after which bone marrow activity gradually declines.
The healthcare provider knows that the second step of hemostasis is:
There are stages in hemostasis, with the first step being transient vessel vasospasm, followed by platelet plug, fibrin clot formation, clot retraction, and finally clot dissolution.
The rate at which hemoglobin is synthesized depends on availability of which substance?
The rate at which hemoglobin is synthesized depends on the availabilty of iron for heme synthesis
The client is being crossmatched for a blood transfusion. The lab technologist notes that the client has neither A nor B antigens. Which type of blood should the client receive?
People who have neither A nor B antigens are classified as having type O blood and this is what this client should receive. Those with A antigens are classified as having type A blood; those with B antigens, as having type B blood; those with A and B antigens, as having type AB blood.
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