HEMATOLOGY

38問 • 1年前

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Which of the following cell population comprises the wave below? a. Neutrophils b. Lymphocyte c. Monocyte d. Eosinophils

b. Lymphocyte

In VCS technology for hematology analyzers, what does C stand for? a. Conductivity b. Current c. Connectivity d. Coulter

a. Conductivity

The following are the disadvantages of using an automated hematology analyzers, EXCEPT: a. Comments on RBC morphology cannot be determined b. Clumped platelets are counted as WBC c. Multiple parameters in a single test d. None of the above

c. Multiple parameters in a single test

What does R mean in control flags of automated hematology analyzers? a. Region b. Repeat c. Recalibrate d. Red

a. Region

RL flag in automation is seen in the following cases, EXCEPT: a. Cold agglutination b. Platelet clumping c. Severe microcytosis d. RBC fragmentation

a. Cold agglutination

Components of flow cytometry, except: a. Optical b. Digital c. Electronics d. Fluidics

c. Electronics

The sorting of leukocyte subpopulations in the WBC histogram obtained from electrical impedance reflects the ______. a. Overall size b. Relative size c. Nuclear size d. Chromatin

b. Relative size

The sorting of leukocyte subpopulations in the WBC histogram obtained from electrical impedance is related to _______. a. Cytoplasmic size b. Nuclear size c. Concentration of granules d. Cytoplasmic color

b. Nuclear size

A blood sample with high titer agglutinins was tested in room temperature with a hematology analyzer. Which parameters would be erroneous? a. MCHC and WBC b. MCV and HGB c. MCHC and MCV d. WBC and RBC

c. MCHC and MCV

How long does S phase take to complete its cycle? a. 10 b. 8 c. 4 d. 1 e. Indefinite

b. 8

What venipuncture site is not recommended for collection? a. Palmar surface of the hand b. Wrist veins c. Veins on the leg d. Antecubital fossa

a. Palmar surface of the hand

Which of the following is the macroscopic color of a blood smear? a. Pinkish blue b. Reddish-violet c. Reddish-pink d. Pinkish-purple (Purple-pinkish)

d. Pinkish-purple (Purple-pinkish)

All are examples of Romanowsky stains, except: a. Hematoxylin b. Giemsa c. May-Grunwald d. Leishman

a. Hematoxylin

Average blood volume of a person: a. 5L b. 6L c. 7L d. 8L

a. 5L

Which of the choices is a MAJOR post-analytical error? a. Sample quality b. Specimen transport c. Patient’s critical result d. Patient’s specific diagnosis

c. Patient’s critical result

What can be observed in lead poisoning? a. Howell-Jolly bodies b. Heinz bodies c. Basophilic stippling d. Pappenheimer bodies

c. Basophilic stippling

Schistocytes, ovalocytes, and acanthocytes are examples of abnormal changes in: a. Volume b. Shape c. Inclusion d. Hemoglobin concentration

b. Shape

Which of the following morphological description matches with echinocytes? a. Compact round shape b. The scooped-out part of the erythrocyte that remains after a blister cell rupture c. Fragments of erythrocytes d. Short, scalloped, or spike-like projections that are regularly distributed around the cell

d. Short, scalloped, or spike-like projections that are regularly distributed around the cell

What are the INITIAL laboratory tests that are performed for the diagnosis of anemia? a. CBC, iron studies, and reticulocyte count b. CBC, reticulocyte count, and peripheral blood film examination c. Reticulocyte count and serum iron, vitamin B12, and folate assays d. Bone marrow study, iron studies, and peripheral blood film examination

b. CBC, reticulocyte count, and peripheral blood film examination

Which of the following is a characteristic of anemia of renal disease? a. Microcytic, normochromic b. Normocytic, hypochromic c. Macrocytic, normochromic d. Normocytic, normochromic

d. Normocytic, normochromic

Identify the poikilocyte below. Which of the following conditions will demonstrate the abnormality? a. Microangiopathic hemolytic anemia (MAHA) b. Thalassemia c. Uremia d. Rh null phenotype

c. Uremia

Most common cause of autoimmune hemolytic anemia? a. Mixed b. PCH c. WAIHA d. CAIHA

c. WAIHA

Cells have distinctive nuclear lobulation and have been termed “flower cells” a. Acute myelogenous leukemia b. Adult T cell leukemia/lymphoma c. Hairy cell leukemia d. Hodgkin’s lymphoma

b. Adult T cell leukemia/lymphoma

Segmented neutrophils are found in: a. Mitotic pool b. Maturation pool c. Stem cell pool d. Proliferation pool

b. Maturation pool

. Pelger-Huet anomaly: a. Bilobed segmentation b. Hyposegmentation d. Hypersegmentation d. None of the above

b. Hyposegmentation

Auer rods are most likely present in? a. Primary myelofibrosis b. Erythroleukemia c. Chronic lymphocytic leukemia d. Acute granulocytic leukemia

d. Acute granulocytic leukemia

Acute myelomonocytic leukemia: a. M1 b. M2 c. M3 d. M4

d. M4

Which blood cells are involved in hemostasis? a. Erythrocytes b. Thrombocytes c. Monocytes d. Eosinophils

b. Thrombocytes

What is the condition where altered expression of phospholipid on the platelet membrane leads to reduction of thrombin generation? a. Abetalipoproteinemia b. Gray platelet syndrome c. White platelet syndrome d. Scott syndrome

d. Scott syndrome

The following are sites of bleeding in diseases of secondary hemostasis, except: a. Soft tissues b. Gums c. Joints d. Muscles

b. Gums

Mucocutaneous bleeding, except: a. Ecchymosis b. Hematemesis c. hematoma d. Petechiae

b. Hematemesis

If a small blood clot exists in the anticoagulated blood specimen, which blood cell parameter will be affected the most? a. Leukocyte count b. Erythrocyte count c. Platelet count d. Microhematocrit

c. Platelet count

Most common bleeding disorder? a. von Willebrand disease b. Bernard-Soulier syndrome c. Glanzmann thrombasthenia d. HUS

a. von Willebrand disease

What is the effect of underfilled tube to coagulation testing? a. Falsely prolonged b. Falsely shortened c. No effect d. Variable effect

a. Falsely prolonged

If a blood film has an average of 10 platelets per oil immersion fields, what is the estimated platelet count? a. 20,000 b. 100,000 c. 200,000 d. 400,000

c. 200,000

The following are fibrin degradation fragments, except: a. D b. X c. Y d. Z

d. Z

One hemoglobin molecule is composed of: a. One heme molecule and four globin chains b. Ferrous iron, protoporphyrin IX, and a globin chain c. Protoporphyrin IX and four globin chains d. Four heme molecules and four globin chains

d. Four heme molecules and four globin chains

How does insufficient centrifugation affects hematocrit? a. False increase b. False decrease c. No effects d. None of the above

a. False increase

other names parasitology

Yves Laure Pimentel · 70問 · 2年前

other names parasitology