Submitted Apr 8 at 4:46pm
This attempt took 99 minutes.
Question 1
2.5 / 2.5 pts
True/False:
Metaplastic cells are not better prepared to survive under stressful circumstances.
True
Correct!
False
Question 2
2.
...
Submitted Apr 8 at 4:46pm
This attempt took 99 minutes.
Question 1
2.5 / 2.5 pts
True/False:
Metaplastic cells are not better prepared to survive under stressful circumstances.
True
Correct!
False
Question 2
2.5 / 2.5 pts
True/False:
Hypertrophy can occur under normal and pathological conditions.
Correct!
True
False
Question 3
2.5 / 2.5 pts
Multiple Choice
Which are true of the mitochondria? Select all that apply.
Correct!
It is involved in cellular respiration
They are found far from the site of energy consumption
Correct!
They play a role in apoptosis
They control free radicals
Question 4
2.5 / 2.5 pts
Which are true of the cell membrane? Select all that apply.
Correct!
Controls the transport of materials from the outside fluids to within
The main structural component is made of proteins
Correct!
Helps with the conduction of electrical currents in nerve and muscle cells
Correct!
Aids in the regulation of cell growth and proliferation
Question 5
10 / 10 pts
Compare and contrast the two types of gangrenous necrosis.
Your Answer:
Dry gangrene occurs when blood supply is slowly reduced to an area. The area is dehydrated and
becomes dark or black in color. Commonly seen in patients with diabetes. It is not very painful,
but tissues eventually die.
Wet gangrene is casued with a sudden reduction in blood flow. The area is cold and swollen, with
no pulse. This can occur from trauma. Bacteria is involved and is very painful. It has the
appearance of pus, becasue it looks wet. There is also a foul smell.
In dry gangrene the affected tissue becomes dry and shrinks, the skin wrinkles, and its
color changes to dark brown or black. The spread of dry gangrene is slow. It results from a
CONTINUED.....
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