Test Bank for Exam One Flashcards
The inhibition of ATP production caused by hypoxia will result in which cellular outcome?
a. Increased ribosome production
b. Dilation and fragmentation of the rough endoplasmic reticulum
c. Mitochondrial multiplication
d. Increased alkalinity of the hyaloplasm
Dilation and fragmentation of the rough endoplasmic reticulum
Which of the following is a nuclear sign of irreversible cell injury?
a. Dysplasia
b. Pyknosis
c. Hydropic change
d. Vacuolar degeneration
Pyknosis
Which of the following is an oxygen radical?
a. Hydrogen peroxide
b. Acid hydrolase
c. Carbon tetrachloride
d. Lipofuscin
a. Hydrogen peroxide
Which of the following organs undergoes physiological atrophy during childhood and
adolescence?
a. Uterus
b. Thymus
c. Thyroid
d. Adrenals
b. Thymus
Enlargement of the heart, caused by hypertension, is a result of which physiologic process?
a. Hypertrophy
b. Atrophy
c. Metaplasia
d. Dysplasia
a. Hypertrophy
When irritated by chronic exposure to cigarette smoke, columnar bronchial epithelium
changes into stratified squamous epithelium. What is this physiologic change an example of?
a. Hypertrophy
b. Hyperplasia
c. Atrophy
d. Metaplasia
d. Metaplasia
Chronic hemolysis of red blood cells is characterized by accumulation of an iron-containing
brown pigment in the cytoplasm of liver cells. What is this brown pigment called?
a. Melanin
b. Tyrosine
c. Hemosiderin
d. Bilirubin
c. Hemosiderin
Which type of necrosis is found in the granulomas of pulmonary tuberculosis?
a. Coagulation necrosis
b. Liquefactive necrosis
c. Caseous necrosis
d. Fibrinoid necrosis
c. Caseous necrosis
Liquefactive necrosis caused by infarction is typically seen in which organ?
a. Heart
b. Brain
c. Liver
d. Kidney
b. Brain
What type of irreversible cell injury is seen in myocardial infarction?
a. Dystrophic calcification
b. Metastatic calcification
c. Fibrinoid necrosis
d. Coagulation necrosis
d. Coagulation necrosis
What best describes hydropic change at the cellular level?
a. An equal level of water inside and outside the cell
b. A decrease of water in the cytoplasm
c. An increase of water in the cytoplasm
d. A result of irreversible cell injury
c. An increase of water in the cytoplasm
Minerals like copper and zinc play what role in cellular function?
a. They assist maintaining cytoplasm homeostasis.
b. They assist in the removal of cellular waste products.
c. They are necessary for ATP production.
d. They enable several important enzymes to function
d. They enable several important enzymes to function
Which of the following would not be considered a pathogenetic mechanism for causing
cellular injury?
a. Toxins
b. Microbial pathogens
c. Genetic disturbances
d. Coagulation
d. Coagulation
Metastatic calcification occurs most likely in which organ?
a. Heart
b. Brain
c. Pancreas
d. Kidney
d. Kidney
Which statement best describes a fatty liver?
a. There is an extracellular accumulation of intermediate metabolites.
b. There is an intracellular accumulation of triglycerides.
c. There is intracellular accumulation of sodium in the liver.
d. There is extracellular accumulation of sodium in the liver.
b. There is an intracellular accumulation of triglycerides.
What is the result of arteriole dilation?
a. Anemia
b. Hyperemia
c. Vasoconstriction
d. Hemorrhage
b. Hyperemia
Which of the following mechanisms plays an important role in acute inflammation?
a. The release of histamine to increase vascular permeability
b. The release of sodium to stabilize blood pressure
c. The production of bradykinin to decrease pain
d. The production of arachidonic acid to prevent blood loss
a. The release of histamine to increase vascular permeability
Activation of which mediator of inflammation in circulating blood leads to formation of
bradykinin?
a. Bradykinin factor
b. Histamine
c. Complement membrane attack complex
d. Hageman factor (coagulation factor XII)
d. Hageman factor (coagulation factor XII)
Aspirin functions as an antiinflammatory agent by inhibiting the production of which
enzyme?
a. Catalase
b. Cyclooxygenase
c. Peroxidase
d. Phospholipase
b. Cyclooxygenase
What is a characteristic feature of acute inflammation?
a. It has a rapid onset but usually has a prolonged healing phase.
b. It has a relatively slow onset, but healing occurs rapidly.
c. It involves scar tissue.
d. It involves the rapid migration of neutrophils (PMNs) to the site of inflammation.
d. It involves the rapid migration of neutrophils (PMNs) to the site of inflammation.
What might fibrinous inflammation be indicative of?
a. Serous inflammation
b. Greater blood vessel damage and vessel permeability
c. The presence of liver disease
d. Gangrene
b. Greater blood vessel damage and vessel permeabilit
n which way is chronic inflammation different from acute inflammation?
a. It has less involvement of fibroblasts but more involvement of neutrophils.
b. It involves less tissue destruction resulting from an extended healing time.
c. It involves greater tissue destruction resulting from an extended inflammatory period.
d. It is less likely to be characterized by functio laesa, or loss of function.
c. It involves greater tissue destruction resulting from an extended inflammatory period.
What does the center of an abscess contain?
a. Caseous necrosis
b. Calcification
c. Pus
d. Eosinophils
c. Pus
Which of the following is characteristic of granulomatous inflammation?
a. Fibrinoid necrosis
b. Formation of keloid
c. Accumulation of mast cells
d. Accumulation T-lymphocytes and macrophages
d. Accumulation T-lymphocytes and macrophages
What is the term used to describe a hypertrophic scar?
a. Granuloma
b. Granulation tissue
c. Proud flesh
d. Keloid
d. Keloid
Which of the following contributes to the delayed healing of a skin wound?
a. Increased corticosteroid levels
b. Increased testosterone levels
c. Exposure to sunshine
d. Surgical sutures
a. Increased corticosteroid levels
A diabetic patient has a wound that is slow to heal. Why is this so?
a. There is dysfunctional blood clotting.
b. Microangiopathy leads to tissue ischemia.
c. There is irregular vasomotor control.
d. Leukopenia (low white blood cell count) is typical of people with diabetes.
b. Microangiopathy leads to tissue ischemia.
Which vitamin is known to prevent scurvy and promote wound healing?
a. Vitamin A
b. Vitamin B6
c. Vitamin B12
d. Vitamin C
d. Vitamin C
Under what circumstance will inflammation fail to occur?
a. In surgical wounds
b. In situations where the wound is small
c. In gangrenous tissue
d. In an infected wound
c. In gangrenous tissue
Which of the following cells produce antibodies?
a. B-lymphocytes
b. T-suppressor/cytotoxic lymphocytes
c. Monocytes
d. Plasma cells
d. Plasma cells