Deck 1: Cell Pathology

Question 1

Myocardial infarct represents a form of:

A) Dystrophic calcification
B) Metastatic calcification
C) Fibrinoid necrosis
D) Coagulation necrosis
E) Wet gangrene

Answer 1

Coagulation necrosis

Question 2

Liquefactive necrosis typically occurs within an infarct of the:

A) Heart
B) Brain
C) Liver
D) Kidney
E) Pancreas

Answer 2

Brain

Question 3

Chronic hemolysis is characterized by accumulation of an iron-containing brown pigment in the cytoplasm of liver cells.This brown pigment is called:

A) Melanin
B) Tyrosin
C) Hemosiderin
D) Ceruloplasmin
E) Bilirubin

Answer 3

Hemosiderin

Question 4

Inhibition of ATP production by hypoxia causes all the following except:

A) Increased production of lactic acid in the cytoplasm
B) Degranulation of the rough endoplasmic reticulum
C) Dilatation of rough endoplasmic reticulum
D) Swelling of the mitochondria
E) Alkalinization of the hyaloplasm

Question 5

Which of the following is an oxygen radical?

A) Hydrogen peroxide
B) Acid hydrolase
C) ATP
D) Carbon tetrachloride
E) Lipofuscin

Question 6

Enlargement of the heart caused by hypertension is a result of:

A) Hyperplasia
B) Hypertrophy
C) Atrophy
D) Metaplasia
E) Dysplasia

Question 7

Columnar bronchial epithelium irritated by chronic exposure to cigarette smoke changes into stratified squamous epithelium.This change is an example of:

A) Hypertrophy
B) Hyperplasia
C) Atrophy
D) Metaplasia
E) Degeneration

Question 8

All the following are signs of irreversible cell injury except:

A) Apoptosis
B) Pyknosis
C) Karyorrhexis
D) Karyolysis
E) Vacuolar degeneration

Question 9

Which of the following organs undergoes atrophy during childhood and adolescence?

A) Uterus
B) Breasts
C) Thymus
D) Thyroid
E) Adrenals

Question 10

Which type of necrosis is found in granulomas of tuberculosis?

A) Coagulation necrosis
B) Liquefactive necrosis
C) Caseous necrosis
D) Fat necrosis
E) Fibrinoid necrosis