EXAM: Maryville NURS 611 Patho; Questions with Certified Solutions
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Course
NUR 611
Institution
NUR 611
EXAM: Maryville NURS 611 Patho; Questions with
Certified Solutions
What is Apoptosis? CORRECT ANS-A programmed cell death
What is necrosis? CORRECT ANS-Death of most or all of the cells in an organ or tissue due
to disease, injury, or failure of the blood supply.
Characteristics of tissue n...
Compensatory hyperplasia CORRECT ANS-Removal of 70% of the liver- can regenerate in
about 2 weeks
What is Metaplasia CORRECT ANS-Replacement of cells
Example of Metaplasia CORRECT ANS-Normal columnar ciliated epithelial cells of the
brohchial lining have been replaced by stratified squamous epithelial cells
, EXAM: Maryville NURS 611 Patho; Questions with
Certified Solutions
During ischemia, what effect does the loss of the ATP levels have on cells? CORRECT ANS-
Reduction in ATP levels causes the plasma membrane's sodium-potassium pump and sodium-
calcium exchange to fail, which leads to an intracellular accumulation of sodium and calcium
and diffusion of potassium out of the cell. Sodium and water then can enter the cell freely,
and cellular swelling results.
Free radicals play a major role in the initiation and progression of which diseases?
CORRECT ANS-These reactive oxygen species play major roles in the initiation and
progression of cardiovascular alterations associated with hyperlipidemia, diabetes mellitus,
hypertension, ischemic heart diseases, and chronic heart failure.
What are free radicals? CORRECT ANS-Electrically uncharged atom or group of atoms
having an unpaired electron.
How are free radicals formed? CORRECT ANS-Having one unpaired electron makes the
molecule unstable; thus to stabilize, it gives up an electron to another molecule or steals one.
, EXAM: Maryville NURS 611 Patho; Questions with
Certified Solutions
Free radical species CORRECT ANS-Are capable of injurious chemical bond formation with
proteins, lipids, carbohydrates - key molecules in membranes and nucleic acids.
What are the Lysosomes? CORRECT ANS-Enzymatic digestion of cellular organelles,
including the nucleus and nucleolus, halting synthesis of DNA and RNA
What are peroxisomes? CORRECT ANS-membrane-bound organelles in most Eukaryotic
cells, primarily involved in lipid metabolism and the conversion of reactive oxygen species
such as hydrogen peroxide into safer molecules like water and oxygen
How does the body metabolize Ethanol CORRECT ANS-Liver enzymes metabolize ethanol
to acetaldehyde which causes hepatic cellular dysfunction. Peroxisomes help detoxify
ethanol.
Which cell component is the most vulnerable target of radiation? CORRECT ANS-DNA
What is Sarcopenia CORRECT ANS-Muscular atrophy
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