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Free download in PDF Hematology Objective Type Questions and Answers for competitive exams. These short objective type questions with answers are very important for competitive exams. These short solved questions or quizzes are provided by Gkseries.
21
The most common type of protein found in the cell membrane is:
A
Lipoprotein
B
Mucoprotein
C
Glycoprotein
D
Nucleoprotein
View Answer
22
The enzyme deficiency in the Embden-Meyerhof pathway that is responsible for most cases of nonspherocytic hemolytic anemia is:
A
Hexokinase
B
Phosphotriptokinase
C
Pyruvate Kinase
D
Glyceraldehyde 3-Phosphate
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23
Which of the following would correlate with an elevated ESR value?
A
Osteoarthritis
B
Polycythemia
C
Decreased globulins
D
Inflammation
View Answer
24
The most important practice in preventing the spread of disease is:
A
Wearing masks during patient contact
B
Proper handwashing
C
Wearing disposable lab coats
D
Identifying specimens from known or suspected HIV and HBV patients with a red label
View Answer
Answer: Proper handwashing
25
Iron is incorporated into the heme molecule in which of the following forms:
A
Ferro
B
Ferrous
C
Ferric
D
Apoferritin
View Answer
26
The most frequent cause of needle punctures is:
A
Patient movement during venipuncture
B
Improper disposal of phlebotomy equipment
C
Inattention during removal of needle after venipuncture
D
Failure to attach needle firmly to tube holder
View Answer
Answer: Improper disposal of phlebotomy equipment
27
What is the distribution of normal Hb in adults?
A
80-90% Hb A, 5-10% Hb A2, 1-5% Hb F
B
>95% Hb A, <3.5 % Hb A2, <1-2% Hb F
C
All of these
D
None of these
View Answer
Answer: >95% Hb A, <3.5 % Hb A2, <1-2% Hb F
28
The maximum number of erythrocytes generated by one Multipotential Stem Cell is:
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29
How are the globin chains genes arranged? Note: a means alpha, B means beta
A
With a genes and B genes on the same chromosome including two a genes and two B genes
B
With a genes and B genes on seperate chromosomes, two a genes on one chromosome and one B gene on a different chromosome
C
With a genes and B genes on the same chromosome - including four a genes and four B genes
D
With a genes and B genes on separate chromosomes - four a genes on one chromosome and two B genes on a different chromosome
View Answer
Answer: With a genes and B genes on seperate chromosomes, two a genes on one chromosome and one B gene on a different chromosome
30
Which of the following gathers, organizes, and directs light through the specimen?
A
Ocular
B
Objective lens
C
Condenser
D
Optical Tube
View Answer
31
In the bone marrow, RBC precursors are located:
A
In the center of the hematopoietic cords
B
Adjacent to megakaryocytes along the adventitial cell lining
C
Surrounding fat cells in apoptotic islands
D
Surrounding macrophages near the sinus membrane
View Answer
Answer: Surrounding macrophages near the sinus membrane
32
During midfetal life, the primary source of blood cells is the:
A
Bone marrow
B
Spleen
C
Lymph Nodes
D
Liver
View Answer
33
The layer of the erythrocyte membrane that is largely responsible for the shape, structure, and deformability of the cell is the:
A
Integral protein
B
Exterior lipid
C
Peripheral protein
D
Interior lipid
View Answer
Answer: Peripheral protein
34
The acceptable range for hemoglobin values on a control sample is 13 + or - 0.4 g/dL. A hemoglobin determination is performed five times in succession on the same control sample. The results are (in g/dL. 12 12.3, 12, 12.2, and 12.1) These results are:
A
Precise, but not accurate
B
Both accurate and precise
C
Accurate, but not precise
D
Neither accurate nor precise
View Answer
Answer: Precise, but not accurate
35
Which of the following cells may develop in sites other than the bone marrow?
A
Monocyte
B
Lymphocyte
C
Megakaryocyte
D
Neutrophil
View Answer
36
A multilineage cytokine among the ILs is:
A
IL-1
B
IL-2
C
IL-3
D
IL-4
View Answer
37
In the Iron cycle, the transferrin receptor carries:
A
Iron out of duodenal cells from the intestinal lumen
B
Iron out of duodenal cells into the plasma
C
transferrin-bound iron in the plasma
D
transferrin-bound iron into erythrocytes
View Answer
Answer: transferrin-bound iron into erythrocytes
38
Which single feature of normal RBC's is most responsible for limiting their life span?
A
Loss of mitochondria
B
Increased flexibility of the cell membrane
C
Reduction of Hb iron
D
Loss of nucleus
View Answer
39
The hexose monophosphate pathway activity increases the RBC source of
A
Glucose and lactic acid
B
2,3-BPG and methemoglobin
C
NADPH and reduced glutathione
D
ATP and other purine metabolites
View Answer
Answer: NADPH and reduced glutathione
40
The lipids of the RBC membrane are arranged:
A
In chains beneath a protein exoskeleton
B
So that the hydrophobic portions are facing the plasma
C
In a hexagonal lattice
D
In two layers that are not symmetric in composition
View Answer
Answer: In two layers that are not symmetric in composition
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