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Hematologic Disorders and Diagnostics Quiz

#1

Which of the following is a common symptom of anemia?

Shortness of breath
Explanation

Due to decreased oxygen-carrying capacity.

#2

What is the primary function of the bone marrow in the body?

Production of red blood cells
Explanation

Where blood cells are formed.

#3

Which of the following is a characteristic feature of sickle cell anemia?

Presence of abnormal hemoglobin S
Explanation

Results in misshapen red blood cells.

#4

What is the primary function of platelets in the blood?

To aid in blood clotting
Explanation

Essential for forming blood clots.

#5

Which of the following is NOT a symptom of thrombocytopenia?

Hypertension
Explanation

Low platelet count doesn't cause hypertension.

#6

Which type of leukemia primarily affects lymphoid cells?

Acute lymphoblastic leukemia (ALL)
Explanation

Affects immature lymphocytes.

#7

Which diagnostic test is commonly used to diagnose hemophilia?

Coagulation factor assays
Explanation

Measures clotting factor levels.

#8

Which type of anemia is characterized by a deficiency of vitamin B12?

Pernicious anemia
Explanation

Result of B12 absorption issues.

#9

Which condition is characterized by a decrease in the number of red blood cells, white blood cells, and platelets?

Aplastic anemia
Explanation

Bone marrow failure.

#10

Which laboratory test is used to assess the clotting ability of blood?

Prothrombin time (PT)
Explanation

Measures clotting time.

#11

Which of the following is a characteristic feature of polycythemia vera?

Increased red blood cell mass
Explanation

Overproduction of red blood cells.

#12

Which diagnostic test measures the average volume of red blood cells in a sample of blood?

Mean corpuscular volume (MCV)
Explanation

Indicates red blood cell size.

#13

In which hematologic disorder does the body produce an excessive number of abnormal white blood cells?

Leukemia
Explanation

Abnormal proliferation of white blood cells.

#14

What is the term for a hereditary disorder characterized by excessive iron absorption and deposition in various organs?

Hemochromatosis
Explanation

Results in iron overload.

#15

Which disorder is characterized by a deficiency of von Willebrand factor, resulting in impaired blood clotting?

Von Willebrand disease
Explanation

Impairs platelet function.

#16

What is the most common type of anemia worldwide?

Iron-deficiency anemia
Explanation

Due to insufficient iron intake.

#17

Which blood disorder is characterized by abnormal clotting within small blood vessels?

Disseminated intravascular coagulation (DIC)
Explanation

Leads to widespread clotting and bleeding.

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