Pathology

Question 1

The characteristics of a follicular adenoma of the thyroid are enumerated below, EXCEPT:

a. Usually solitary
b. Papillary structures within the lesional area
c. Morphology within and outside the capsule are different
d. Fibrous encapsulation

Answer 1

b. Papillary structures within the lesional area

Question 2

Patients who died from the respiratory form of anthrax almost always have:

a. Hemorrhagic adrenalitis and thence the Waterhouse Frederichsen syndrome
b. Hemorrhagic meningitis
c. Hemorrhagic myocarditis and pericarditis
d. Hemorrhagic mediastinitis and thoracic lymphadenitis

Answer 2

b. Hemorrhagic meningitis

Question 3

The presence of melanin laden histiocytes and Langhan’s cells in an enlarged lymph node Is characteristic of:

a. Malignant melanoma metastatic to lymph nodes
b. Tuberculosis
c. Histiocytic lymphoma
d. Dermatopathic lymphadenitis

Answer 3

d. Dermatopathic lymphadenitis

Question 4

HIstologic feature which clearly differentiates primary from secondary healing is:

a. Wound contraction
b. Mononuclear infiltrates
c. Formation of granulation tissue?
d. Fibrosis

Answer 4

c. Formation of granulation tissue?

Question 5

The first point of attack of hypoxia in the cell is the:

a. Intracellular glycolysis
b. Oxidative phosphorylation by mitochondria
c. Permeability of the cell membrane
d. Intracellular calcium

Answer 5

Oxidative phosphorylation by mitochondria

Question 6

Characteristic hematologic effect of lead poisoning is:

a. Aplastic anemia
b. Megaloblastic anemia
c. Microcytic, hypochromic, mild hemolytic anemia
d. Leukemia

Answer 6

c. Microcytic, hypochromic, mild hemolytic anemia

Question 7

A 50 year old male was admitted because of headaches and seizures. CT scan revealed a large tumor in the cerebral hemisphere. The MOST likely diagnosis is:

a. Fibrillary astrocytoma
b. Medulloblastoma
c. Ependymoma
d. Pilocytic astrocytoma

Answer 7

Fibrillary astrocytoma

Question 8

Vertebral metastasis with osteoblastic reaction is seen in:

a. Penile squamous cell carcinoma
b. Seminoma
c. Prostatic adenocarcinoma
d. Nonseminomatous germ cell tumor

Answer 8

c. Prostatic adenocarcinoma

Question 9

Choriocarcinoma presents with:

a. Increased alpha fetoprotein levels
b. Increased human chorionic gonadotropin
c. “Bag of worms”
d. Sudden painful violaceous testicular mass

Answer 9

b. Increased human chorionic gonadotropin

Question 10

These are biologically active substances produced by T cells that have varied antiviral and antitumoral activities:

a. Interleukins
b. Interferons
c. Leukotrienes
d. Slowreactive substance of anaphylaxis

Answer 10

b. Interferons

* Though technically, gumagawa rin sila ng interleukin, interferon ang may antiviral and antitumor effects.

Question 11

Which of the following may be described as a proliferation of fibroconnective tissue but not extending beyond the initial wound?

a. Keloid
b. Hypertrophic scar
c. Desmoid tumor
d. Fibroma

Answer 11

b. Hypertrophic scar

Question 12

The pathway system in which coagulation is triggered by direct tissue damage:

a. Intrinsic pathway
b. Extrinsic pathway
c. Kinin system
d. Complement pathway

Answer 12

b. Extrinsic pathway

Question 13

Death from carbon monoxide is due to:

a. Pulmonary edema
b. Systemic hypoxia
c. Respiratory tract inflammation
d. Myocardial toxicity

Answer 13

b. Systemic hypoxia