APEA- Heme Patho questions and answers
2026\2027 A+ Grade
The primary organ responsible for the production of ITP platelet antibodies is the:
spleen.
liver.
kidney.
pancreas.
- correct answer spleen
Which one of the following is NOT involved in hemostasis?
Vasoconstriction
Activation of platelets
Formation of blood clots
Destruction of collagen fibers
- correct answer Destruction of collagen fibers
Which one of the following is a type of megaloblastic anemia?
Hemolytic anemia
Sideroblastic anemia
Pernicious anemia
Iron deficiency anemia
- correct answer Pernicious anemia
The component of the blood that carries antibodies and nutrients to tissues and carries away waste is:
thrombocytes.
plasma.
, erythrocytes.
leukocytes
- correct answer plasma.
Which one of the following is a disorder that results in the destruction of platelets?
Idiopathic thrombocytopenic purpura
Myelodysplasia
Acute leukemia
Megaloblastic anemia
- correct answer Idiopathic thrombocytopenic purpura
Which one of the following blood lead levels in an adult would warrant intervention?
5 mcg/dL
10 mcg/dL
15 mcg/dL
20 mcg/dL
- correct answer 20 mcg/dL
Jaundice in a newborn is a medical emergency if it occurs within the first:
24 hours.
48 hours.
72 hours.
95 hours.
- correct answer 24 hours.
Which protein is an important mediator of the inflammatory response and serves as a messenger at the
site of antigen (allergen) invasion?
Leukotriene
Prostaglandin
Cytokines
2026\2027 A+ Grade
The primary organ responsible for the production of ITP platelet antibodies is the:
spleen.
liver.
kidney.
pancreas.
- correct answer spleen
Which one of the following is NOT involved in hemostasis?
Vasoconstriction
Activation of platelets
Formation of blood clots
Destruction of collagen fibers
- correct answer Destruction of collagen fibers
Which one of the following is a type of megaloblastic anemia?
Hemolytic anemia
Sideroblastic anemia
Pernicious anemia
Iron deficiency anemia
- correct answer Pernicious anemia
The component of the blood that carries antibodies and nutrients to tissues and carries away waste is:
thrombocytes.
plasma.
, erythrocytes.
leukocytes
- correct answer plasma.
Which one of the following is a disorder that results in the destruction of platelets?
Idiopathic thrombocytopenic purpura
Myelodysplasia
Acute leukemia
Megaloblastic anemia
- correct answer Idiopathic thrombocytopenic purpura
Which one of the following blood lead levels in an adult would warrant intervention?
5 mcg/dL
10 mcg/dL
15 mcg/dL
20 mcg/dL
- correct answer 20 mcg/dL
Jaundice in a newborn is a medical emergency if it occurs within the first:
24 hours.
48 hours.
72 hours.
95 hours.
- correct answer 24 hours.
Which protein is an important mediator of the inflammatory response and serves as a messenger at the
site of antigen (allergen) invasion?
Leukotriene
Prostaglandin
Cytokines
