Hematology final uams UPDATED
ACTUAL Questions and CORRECT
Answers
Thrombocytopenia is due to what? - CORRECT ANSWER - Chemotherapy, severe
infection, coagulation disorders
What would you most likely see in a peripheral blood smear of a normal adult? - CORRECT
ANSWER - Platelets
What is only counted in 5 boxes (corners and center) of the middle square of the
hemocytometer? - CORRECT ANSWER - Erythrocytes
What organ is primarily responsible for generating platelets? - CORRECT ANSWER -
Bone marrow
true or false: Decreased amounts of eosinophils is called eosinophilia - CORRECT
ANSWER - False
The coulter principle for automated cell counts, counts based on what? - CORRECT
ANSWER - Cell impedence
True or false: Mean Cell Volume indicates WBC size - CORRECT ANSWER - False
True or false: Yellow marrow of bone marrow produces WBCs - CORRECT ANSWER -
False
What are the three main functions of lymph nodes? - CORRECT ANSWER - Form
lymphocytes, filter debris, and process antibodies
,What stains are sometimes used for erythrocyte inclusion bodies? - CORRECT
ANSWER - New Methylene
Blue
Wright-Giemsa
Prussian Blue
Supravital
Which acquired nonfunctional hemoglobin is elevated with smokers? - CORRECT
ANSWER - Carboxyhemo-globin
True or false:90% of aged RBC destruction is extravascular - CORRECT ANSWER -
True
Tear Drop (Dacryocyte) may be observed in the following: - CORRECT ANSWER -
Enlarged spleen
Megaloblastic
Anemia
True or false: Anisocytosis is variation in shape - CORRECT ANSWER - False
Howell-Jolly bodies are composed of what? - CORRECT ANSWER - DNA
Random clumping of RBCs is the following things: - CORRECT ANSWER -
Agglutination
Caused from cold antibodies
Hematopoiesis of RBCs Step: - CORRECT ANSWER - •Megakaryocyte-erythrocyte
progenitor
•Pronormoblast
,•Orthochromic normoblast
• Polychromatic erythroycte
True or false: A normal RBC size in an adult is 10-12 um - CORRECT ANSWER - False
Zeta potential - CORRECT ANSWER - Weakened by fibrinogen
A cloud of negative charges found on a cell membrance
True or false: Cyanmethemoglobin is used in HCT - CORRECT ANSWER - False
Which glucose metabolism pathway is hampered by a G6PD deficiency? - CORRECT
ANSWER - Hexose
Monophosphate
Pathway
Integral proteins are - CORRECT ANSWER - In lipid bilayer, glycophorin is main
protein,and has ABO
Antigen attached
What stain detects iron and is the gold standard for assessment of body iron stores? - CORRECT
ANSWER - Prussion Blue
Where are erythrocytes found in the bone marrow? - CORRECT ANSWER - in sinus near
macrophage
What is a normal M:E ratio? - CORRECT ANSWER - 3:1
Which of the following anemias are normocytic, normochromic? - CORRECT ANSWER -
Hemolytic anemia
, Aplastic anemia
True or false: Osteoclasts form bone. - CORRECT ANSWER - False
Intrinsic factor is the following: - CORRECT ANSWER - •Produced by parietal cells in
stomach
•Assists in B12 absorption
•Glycoprotein
True or false: Folate and Vitamin B12 are important in
DNA synthesis - CORRECT ANSWER - True
Microcytic, hypochromic is caused mostly from what? - CORRECT ANSWER -
Inadequate hemoglobin production
True or false: Patients with sickle cell trait have an advantage over malaria infections. -
CORRECT ANSWER - True
Which hemoglobin is comprised of 2 alpha chains and 2 delta chains? - CORRECT
ANSWER - Hemoglobin A2
Aplastic anemia lab findings are the following: - CORRECT ANSWER - Pancytopenia
and Hypoplastic bone marrow
What following tests are used for distinguishing normochromic, normocytic anemias? -
CORRECT ANSWER - Sickle soluability test
Osmotic fragility test
What things normally happen during an infection? - CORRECT ANSWER - •Cells in
circulation go to the tissue
ACTUAL Questions and CORRECT
Answers
Thrombocytopenia is due to what? - CORRECT ANSWER - Chemotherapy, severe
infection, coagulation disorders
What would you most likely see in a peripheral blood smear of a normal adult? - CORRECT
ANSWER - Platelets
What is only counted in 5 boxes (corners and center) of the middle square of the
hemocytometer? - CORRECT ANSWER - Erythrocytes
What organ is primarily responsible for generating platelets? - CORRECT ANSWER -
Bone marrow
true or false: Decreased amounts of eosinophils is called eosinophilia - CORRECT
ANSWER - False
The coulter principle for automated cell counts, counts based on what? - CORRECT
ANSWER - Cell impedence
True or false: Mean Cell Volume indicates WBC size - CORRECT ANSWER - False
True or false: Yellow marrow of bone marrow produces WBCs - CORRECT ANSWER -
False
What are the three main functions of lymph nodes? - CORRECT ANSWER - Form
lymphocytes, filter debris, and process antibodies
,What stains are sometimes used for erythrocyte inclusion bodies? - CORRECT
ANSWER - New Methylene
Blue
Wright-Giemsa
Prussian Blue
Supravital
Which acquired nonfunctional hemoglobin is elevated with smokers? - CORRECT
ANSWER - Carboxyhemo-globin
True or false:90% of aged RBC destruction is extravascular - CORRECT ANSWER -
True
Tear Drop (Dacryocyte) may be observed in the following: - CORRECT ANSWER -
Enlarged spleen
Megaloblastic
Anemia
True or false: Anisocytosis is variation in shape - CORRECT ANSWER - False
Howell-Jolly bodies are composed of what? - CORRECT ANSWER - DNA
Random clumping of RBCs is the following things: - CORRECT ANSWER -
Agglutination
Caused from cold antibodies
Hematopoiesis of RBCs Step: - CORRECT ANSWER - •Megakaryocyte-erythrocyte
progenitor
•Pronormoblast
,•Orthochromic normoblast
• Polychromatic erythroycte
True or false: A normal RBC size in an adult is 10-12 um - CORRECT ANSWER - False
Zeta potential - CORRECT ANSWER - Weakened by fibrinogen
A cloud of negative charges found on a cell membrance
True or false: Cyanmethemoglobin is used in HCT - CORRECT ANSWER - False
Which glucose metabolism pathway is hampered by a G6PD deficiency? - CORRECT
ANSWER - Hexose
Monophosphate
Pathway
Integral proteins are - CORRECT ANSWER - In lipid bilayer, glycophorin is main
protein,and has ABO
Antigen attached
What stain detects iron and is the gold standard for assessment of body iron stores? - CORRECT
ANSWER - Prussion Blue
Where are erythrocytes found in the bone marrow? - CORRECT ANSWER - in sinus near
macrophage
What is a normal M:E ratio? - CORRECT ANSWER - 3:1
Which of the following anemias are normocytic, normochromic? - CORRECT ANSWER -
Hemolytic anemia
, Aplastic anemia
True or false: Osteoclasts form bone. - CORRECT ANSWER - False
Intrinsic factor is the following: - CORRECT ANSWER - •Produced by parietal cells in
stomach
•Assists in B12 absorption
•Glycoprotein
True or false: Folate and Vitamin B12 are important in
DNA synthesis - CORRECT ANSWER - True
Microcytic, hypochromic is caused mostly from what? - CORRECT ANSWER -
Inadequate hemoglobin production
True or false: Patients with sickle cell trait have an advantage over malaria infections. -
CORRECT ANSWER - True
Which hemoglobin is comprised of 2 alpha chains and 2 delta chains? - CORRECT
ANSWER - Hemoglobin A2
Aplastic anemia lab findings are the following: - CORRECT ANSWER - Pancytopenia
and Hypoplastic bone marrow
What following tests are used for distinguishing normochromic, normocytic anemias? -
CORRECT ANSWER - Sickle soluability test
Osmotic fragility test
What things normally happen during an infection? - CORRECT ANSWER - •Cells in
circulation go to the tissue
