Pathology
for Dental Students
Study questions: Hematopoietic system pathology
Answers are
here
.
Benign blood diseases
1.
A patient is found to have a decreased hemoglobin and an increased mean cell volume (MCV).
Which of the following is the most likely diagnosis?
A.
Iron deficiency
B.
Thalassemia
C.
Anemia of chronic disease
D.
Vitamin B12 or folate deficiency
2.
All of the following statements are true regarding vitamin B12/folate deficiency anemia EXCEPT:
A.
It is characteristically a macrocytic anemia
B.
Vitamin B12 stores in the body generally last for 3 months without replenishment
C.
The hallmarks of the blood smear include macrocytes (large red blood cells) and hypersegmented neutrophils
D.
Folate deficiency anemia is frequently seen in chronically malnourished individuals such as alcoholics
3.
You prescribe penicillin for one of your patients. Three days later he returns to your office jaundiced.
His hemoglobin is decreased, and the blood smear shows numerous spherocytes and an increased number of
reticulocytes. Which of the following is the most likely diagnosis?
A.
Iron deficiency anemia
B.
Thalassemia
C.
Drug induced autoimmune hemolytic anemia
D.
Hereditary spherocytosis
4.
A patient presents with a decreased hemoglobin and a decreased mean cell volume (MCV). The neutrophil and
platelet count are normal. Which of the following is the most likely diagnosis?
A.
Vitamin B12 or folate deficiency
B.
Aplastic anemia
C.
Sickle cell anemia
D.
Either iron deficiency or thalessemia
5.
Which of the following sets of lab values best fits sickle cell anemia?
Hemoglobin
MCV
Reticulocytes
A.
decreased
decreased
decreased
B.
normal
normal
normal
C.
decreased
increased
decreased
D.
decreased normal
increased
6.
Which of the following sets of lab values best fits iron-deficiency anemia?
Hemoglobin
MCV
Reticulocytes
A.
decreased
decreased
decreased
B.
normal
normal
normal
C.
decreased
increased
decreased
D.
decreased
normal
increased
7.
The most common cause of neutropenia is
A.
Iron deficiency
B.
Drug administration
C.
Thalassemia
D.
Vitamin B12/folate deficiency
Leukemia
8.
All of the following are associated with the etiology of leukemias EXCEPT:
A.
Viruses
B.
Down Syndrome
C.
Char-broiled meat
D.
Radiation
9.
Which of the following is true regarding leukemias:
A.
Acute myeloid leukemia (AML) is more common than acute lymphoblastic leukemia (ALL) in children
B.
Chronic myelogenous leukemia (CML) generally terminates in 3-5 years in a blast crisis
C.
CML is most common in children
D.
Acute leukemia is generally not accompanied by bone marrow failure (i.e. thrombocytopenia, anemia and
neutropenia)
10.
Which of the following is or are true regarding acute myeloid leukemia (AML)?
A.
A patient with l5% myeloblasts in the blood or bone marrow can be diagnosed as having acute myeloid
leukemia (AML)
B.
The myeloblasts typically express myeloperoxidase enzyme
C.
Both
D.
Neither
11.
Infiltrates of the gingiva are particularly characteristic of which of the following leukemias
A.
Chronic Myelogenous Leukemia
B.
Acute Myelogenous Leukemia, monocytic subtype
C.
Acute Lymphoblastic Leukemia, precursor B-cell subtype
D.
Chronic Lymphocytic Leukemia, B-cell subtype
12.
Which of the following statements is true regarding acute myeloid leukemia (AML)?
A.
Auer rods may be present
B.
A patient with 10% myeloblasts in the blood or bone marrow can be diagnosed as having acute myeloid
leukemia (AML)
C.
AML occurs predominantly in children
D.
the myeloblasts are typically positive for B-cell lymphocyte antigens
13.
Which of the following is true regarding acute lymphoblastic leukemia?
A.
A patient with 40% lymphoblasts in the bone marrow can be diagnosed as having acute lymphoblastic
leukemia
B.
Lymphoblasts can always be differentiated from myeloblasts based on their morphology
C.
Lymphoblasts typically express myeloperoxidase enzyme
D.
Acute lymphoblastic leukemia is more common in adults than children
14.
The Philadelphia chromosome:
A.
Involves a translocation between chromosome 9 and 22 and is most often associated with chronic
lymphocytic leukemia (CLL)
B.
Involves a translocation between chromosome 8 and 21 and is most often associated with chronic
myelogenous leukemia (CML)
C.
Involves a translocation between chromosome 9 and 22 and is most often associated with chronic
myelogenous leukemia (CML)
D.
Involves a translocation between chromosome 8 and 21 and is most often associated with acute
myelogenous leukemia (AML)
15.
All of the following statements are true regarding myeloproliferative disorders EXCEPT:
A.
Splenomegaly is frequently present.
B.
Leukocytosis is frequently present.
C.
Children do not get chronic myeloid leukemia.
D.
A hypercellular marrow is frequently present.
E.
The presence of the Philadelphia chromosome in a myeloproliferative disorder is compatible with a diagnosis
of polycythemia vera.
16.
All of the following statements are true regarding chronic lymphocytic leukemia (CLL) EXCEPT:
A.
CLL is an indolent leukemia
B.
Most cases of CLL are of T-cell lineage
C.
The malignant lymphocytes in B-cell CLL express surface (membrane) immunoglobulin
D.
Patients with CLL have a lymphocytosis
Lymphoma
17.
Which of the following is true regarding Hodgkin's disease?
A.
It frequently arises in the intestines
B.
It responds poorly to current chemotherapeutic regimens
C.
It tends to spread in a contiguous fashion
D.
Hodgkin's disease most commonly presents in patients over 60 years of age
18.
A patient has Hodgkin's lymphoma involving only the cervical lymph nodes. This patient has:
A.
Stage I disease
B.
Stage II disease
C.
Stage III disease
D.
Stage IV disease
19.
All of the following statements are true regarding lymphoma EXCEPT:
A.
Hodgkin's lymphoma generally has a good prognosis
B.
The malignant cell of Hodgkin's lymphoma is the Reed-Sternberg cell
C.
Left untreated, low grade lymphomas have an aggressive clinical course though they frequently can be cured
by chemotherapy
D.
Follicular lymphomas are all B-cell lymphomas
20.
Which of the following is a LOW grade lymphoma?
A.
Follicular lymphoma
B.
Diffuse, large B-cell lymphoma
C.
Burkitt lymphoma
D.
Anaplastic large-cell lymphoma
21.
Which of the following is true regarding non-Hodgkin's lymphomas:
A.
Follicular lymphomas are high-grade lymphomas
B.
All diffuse lymphomas are B-cell lymphomas
C.
Most non-Hodgkin's lymphomas are of B-cell lineage
D.
They usually remain localized to a single nodal region of the body
Myeloma
22.
All of the following statements are true regarding myeloma EXCEPT:
A.
Characterized by a clonal proliferation of plasma cells
B.
Often produces lytic lesions especially of skull
C.
Bone marrow shows histiocytes with Birbeck granules
D.
Associated with amyloidosis