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WorksheetsPATHO_LAB_002_IRREVERSIBLE INJURIES
Total questions: 20
Worksheet time: 10mins
Name
Class
Date
1.
Feature of necrosis in terms of cell size:
a)
reduced (reduced)
b)
Enlarged (swelling)
2.
This is the most common pattern of necrosis, commonly caused by ischemia and results from the denaturation of cell proteins, including contained enzymes. Characterized by the loss of nuclear detail and preservation of cell outlines and tissue architecture
a)
Coagulative Necrosis
b)
Caseous Necrosis
c)
Liquefactive Necrosis
d)
Fat Necrosis
3.
Identify the yellow star
a)
Bowman's capsule
b)
Healthy cells with present nuclei
c)
Necrotic cells with absent nuclei
4.
Characteristics of myocardial infarction: i.Waviness of the myofibers at the borders. ii.Separation of myocardial fibers due to edema iii.The nuclei and striations of the muscle fibers are lost iv.Presence of infiltrates by polymorphonuclear neutrophils in the stroma.
a)
I only
b)
I, ii, iii
c)
all except I
d)
all are included
5.
Identify time of myocardial infarct
a)
12-24 hrs
b)
2-3 days
c)
3 days
6.
This is the pattern of necrosis resulting from the combined liquefaction and<br />coagulation necrosis.
a)
fat necrosis
b)
gangrenous necrosis
c)
caseous necrosis
d)
fibrinoid necrosis
7.
This image show which type of necrosis?
a)
fat necrosis
b)
gangrenous necrosis
c)
caseous necrosis
d)
fibrinoid necrosis
e)
coagulative necrosis
8.
This image shows what type of necrosis?
a)
liquefactive necrosis
b)
gangrenous necrosis
c)
caseous necrosis
d)
Fat Necrosis
9.
Identify the structure with (*) in this necrotic tissue.
a)
lipid-laden macrophage
b)
leukocyte
c)
regular steatocyte
d)
necrotic adipocyte
10.
This pattern of necrosis is characteristic in brain tissue which has undergone<br />ischemia. This type of necrosis is also found in certain bacterial infections, with<br />plenty of acute inflammatory cells and pus formation.
a)
caseation necrosis
b)
liquefaction necrosis
c)
traumatic necrosis<br />
d)
coagulation necrosis
11.
under what type of necrosis is seen in the picture?
a)
caseation necrosis
b)
coagulation necrosis
c)
Liquefactive Necrosis
d)
omental fat necrosis
12.
What type of necrosis does this picture indicates:
a)
gangrenous necrosis
b)
coagulation necrosis
c)
liquefaction necrosis
d)
omental fat necrosis
13.
What type of necrosis does the picture indicates
a)
gangrenous necrosis
b)
coagulation necrosis
c)
fibrinoid necrosis
d)
omental fat necrosis
14.
Liquefactive necrosis is characterized by transformation of the solid tissue to liquid viscous mass and accumulation of dead leukocytes or pus, which makes the necrotic secretion / material to be creamy yellow in color.
a)
true
b)
false
15.
Hypoxic death of cells in the CNS is not considered to be a type of liquefactive necrosis
a)
true
b)
false
16.
This is the pattern of necrosis results from the combined liquefaction and<br />coagulation necrosis. The classical example is the center of a tubercle in pulmonary Tuberculosis.
a)
caseation necrosis
b)
coagulation necrosis
c)
liquefaction necrosis
d)
omental fat necrosis
17.
In what type of necrosis this characteristic appears, adipose tissue may show other types of necrosis but when acted upon by a lipase, the pattern of necrosis is different. Damaged fat cells leak out trigycerides which are decomposed and produce free fatty acids. The latter react with calcium to produce calcium soaps.
a)
caseation necrosis
b)
coagulation necrosis
c)
liquefaction necrosis
d)
Fat Necrosis
18.
Damaged fat cells leak out trigycerides which are decomposed and produce free fatty acids. The latter react with calcium to produce calcium soap or otherwise known as fat sponification
a)
true
b)
false
19.
What type of cell adaptation does the picture indicate
a)
atrophy
b)
hypertrophy
c)
hyperplasia
d)
metaplasia
20.
The picture indicate what type of cellular adaptation
a)
atrophy
b)
hypertrophy
c)
hyperplasia
d)
metaplasia
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