D2L Blood Quiz

In cross matching a blood sample, agglutination occurs with the addition of anti-A and anti-Rh, but does not occur with the addition of anti-B. What is the correct blood type of this sample? B⁻ AB⁻ A⁺ O⁺

A+

I have AB⁻ blood. Which of the following blood types can safely receive my blood in a transfusion? AB⁻, O⁻ A⁻, AB⁺ A⁻, B⁻ AB⁻, AB⁺

AB-, AB+

A patient presents with a reduced hematocrit. Blood tests also reveal a reduction in all formed elements below normal (pancytopenia). Which of the following is the likely diagnosis? Aplastic anemia Renal anemia Iron deficiency anemia Pernicious anemia

Aplastic Anemia

An elderly patient presents with weight loss, bone pain and fever. Blood tests indicate pronounced leukocytosis (elevation of white blood cells) and anemia (reduced red blood cells). What is the most likely diagnosis? Disseminated intravascular coagulation Chronic leukemia Sickle cell anemia Aplastic anemia

Chronic leukemia

Which of the following white blood cells increases in number during parasitic infections? Basophils Neutrophils Eosinophils Lymphocytes

Eosinophils

What is the correct order of events involved in blood clotting? Formation of prothrombin, intrinsic and/or extrinsic pathways, activation of thrombin, formation of fibrin from fibrinogen. Intrinsic and/or extrinsic pathways, formation of prothrombin, activation of thrombin, formation of fibrin from fibrinogen. Formation of fibrin from fibrinogen, intrinsic and/or extrinsic pathways, activation of thrombin, formation of prothrombin. Intrinsic and/or extrinsic pathways, formation of fibrin from fibrinogen, activation of thrombin, formation of fibrin from fibrinogen.

Intrinsic and/or extrinsic pathways, formation of prothrombin, activation of thrombin, formation of fibrin from fibrinogen.

Which of the following is produced by the liver and, when activated, results in fibrinolysis? Hemoglobin Fibrinogen Carbaminohemoglobin Plasminogen

Plasminogen

A healthy mountain climber reaches the peak of Mount Everest, only to suffer an ankle sprain at top. She calls for help. Within an hour she is taken by helicopter down the mountain and to the nearest emergency department. At the hospital, her hematocrit is found to be 60%. This is most likely due to which of the following? Secondary polycythemia Iron deficiency anemia Sickle cell anemia Polycythemia vera

Secondary Polycythemia

Which of the following hormones, released by the liver and kidneys, stimulates increased platelet production? Intrinsic factor Erythropoietin Colony-stimulating factors Thrombopoietin

Thrombopoietin

Which is the correct order of steps for hemostasis? Vasoconstriction, platelet plug formation, coagulation Coagulation, platelet plug formation, vasoconstriction Platelet plug formation, vasoconstriction, coagulation Vasoconstriction, coagulation, platelet plug formation

Vasoconstriction, platelet plug formation, coagulation.