NURS 231 Pathophysiology Final Exam - Questions and Answers - Portage Learning (Graded A)

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Score for this quiz: 190.5 out of 200

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.

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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

cut off in arterial blood supply and is a form of coagulation necrosis. In wet gangrene, the

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affected area is cold, swollen, and pulseless. The skin is moist, black, and under tension.

Blebs form on the surface, liquefaction occurs, and a foul odor is caused by bacterial

action. The spread of tissue damage is rapid.

Question 6

2.5 / 2.5 pts

True/False:

Cell proliferation is the process in which proliferating cells become more specialized cell types.

True

Correct!

False

False, cell differentiation

Question 7

2.5 / 2.5 pts

True/False:

Cell differentiation is the process of increasing cell numbers by mitotic cell division.

True

Correct!

False

False, cell proliferation

Question 8

2.5 / 2.5 pts

What are two important properties that stem cells possess?

Your Answer:

Stem cells possess potency and self-renewal.

Potency and self-renewal

Question 9

2.5 / 2.5 pts

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