MEDS 530A Pathology Final Exam Questions With Correct Answers
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Course
MEDS 530
Institution
MEDS 530
MEDS 530A Pathology Final Exam
Questions With Correct Answers
A 60-year-old man who had generalized atherosclerosis died 24 hours after having a stroke. A
cerebral infarct was found at autopsy. Necrosis of the brain is classified as - answerBrain
infarcts are characterized by liquefactive necro...
are formed from which component of the neurons? - answer✔Neurofibrillary tangles are
composed of microtubule-associated proteins and neurofilaments, which form the cytoskeleton
of nerve cells.
Continuous expression of the gene for atrial natriuretic factor in the myocardial cells of the left
ventricle is typically a consequence of - answer✔Atrial natriuretic factor (ANF) is produced
during fetal life in both the atrial and ventricular cells of the heart. After birth, the ANF gene
remains active only in the atrium, but can be activated in ventricular cells undergoing
hypertrophy. Arterial hypertension is the most common cause of ventricular hypertrophy.
A 28-year-old man was found to have cirrhosis of the liver and pulmonary emphysema. The liver
cells contained globular inclusions in their cytoplasm, which by electron microscopy are shown
to be located inside the - answer✔The clinical history (i.e., the concurrence of cirrhosis and
pulmonary emphysema) suggests that this young man has 1-antitrypsin (AAT) deficiency. The
cytoplasmic globules in the liver cells represent misfolded AAT, which cannot be excreted from
the liver cells and remains inside the liver cells in the dilated cisterns of the rough endoplasmic
reticulum.
Ubiquitin-proteasome degradation of plasma proteins is opposed by - answer✔Insulin can
oppose ubiquitin-proteasome degradation of plasma proteins, whereas all other hormones and
mediators of inflammation listed here accelerate it.
A 60-year-old obese man was admitted to the hospital for treatment of alcoholism. He has
diabetes mellitus. A liver biopsy was performed, and the specimen showed that the liver cells
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