pathology for the health professions
A 41-year-old male undergoes surgery and has part of a population of stable cells
removed. Which of the following best describes how the body will heal this defect? A.
Stem cells will divide to replace the lost tissue B. The remaining quiescent cells will
enter mitosis to replace the lost tissue C. Nothing will happen because stable cells
cannot be replaced D. Fibrosis will scar the defect closed - Answers>>B. The remaining
quiescent cells will enter the mitosis to replace the lost tissue
A 65-year-old male has had uncontrolled hypertension for 30 years. As a result there
are twice as many fibroblast cells (all of normal size) in his aorta than 30 years ago.
This is best described as which of the following? A. Dysplasia B. Hyperplasia C.
Hypertrophy D. Metaplasia - Answers>>B.Hyperplasia
A cell is subject to hypoxic conditions for 20minutes, then observed under the
microscope. The nucleus has become shrunken, with marked condensation of the
chromatin. This nuclear change is best described as which of the following? A.
AutophagyB. Karyolysis C. Karyorrhexis D. Pyknosis - Answers>>D. Pyknosis
a diabetic patient has a wound that is slow to heal. why is this so? -
Answers>>microangiopathy leads to tissue ischemia
A new cell line is developed that completely lacks a smooth endoplasmic reticulum.
Which of the following functions would these cells be incapable of performing?
A.Degrading endocytosed materials
B.Maintaining cellular shape
C.Making new proteins
D.Synthesizing steroid hormones - Answers>>synthesizing steroid hormones
A new drug, Drug Y, is found to inhibit cyclooxygenase. Giving Drug Y is expected to
result in which of the following in test subjects? A. Decrease in arachidonic acid B.
Decrease in leukotrienes C. Decrease in prostaglandins D. Increase in inflammatory
response - Answers>>C. Decrease in prostaglandins
activation of which mediator of inflammation in circulating blood leads to formation of
bradykinin? - Answers>>hageman factor
Arachidonic acid is derived from which of the following sources? A. Cytoplasmic
proteins B. Extracellular proteins C. Phospholipids D. Nucleic acids - Answers>>C.
Phospholipids
aspirin functions as an antiinflammatory agent by in inhibiting the production of which
enzyme? - Answers>>cyclooxygenase
