Patho Midterm Quiz 1 A change in a tissue marked by cells that vary in size and shape and show increased mitotic figures would be called: metaplasia. Atrophy. dysplasia. hyper trophy. A situation when there is a higher than expected number of cases of an infectious disease within a given area i...
Which of the following conditions distinguishes double blind studies used in health
research?
❖ Neither the members of the control group or the experimental group nor
the person administering the treatment knows who is receiving the
experimental therapy.
❖ Both groups of research subjects and the person administering the treatment
know who is receiving the experimental therapy.
❖ The research subjects do not know, but the person administering the treatment
knows who is receiving placebo or standard therapy.
❖ Only members of the control group know they are receiving standard therapy.
Which of the following can cause cell injury or death?
1. Hypoxia
2. Exposure to excessive cold
,3. Excessive pressure on a tissue
4. Chemical toxins
❖ 1, 2
❖ 2, 4
❖ 1, 3, 4
❖ 1, 2, 3, 4
A collection of signs and symptoms, often affecting more than one organ or system, that
usually occur together in response to a certain condition is referred to as a (an):
In normal capillary exchange, what is net hydrostatic pressure based on?
❖ The difference between the hydrostatic pressure within the capillary, as
compared with the hydrostatic pressure of the interstitial fluid
❖ The relative osmotic pressures in the blood and the interstitial fluid
❖ The difference between the hydrostatic pressure and osmotic pressure within the
capillary
❖ The difference between the concentrations of blood cells, plasma proteins, and
dissolved substances in the blood and the interstitial fluid
A burn area in which the epidermis and part of the dermis is destroyed is classified as:
All of the following are factors that promote healing EXCEPT:
❖ good nutrition: protein, vitamins A and C.
❖ a clean, undisturbed wound.
❖ effective circulation.
❖ advanced age.
Purulent exudates usually contain:
❖ small amounts of plasma protein & histamine in water.
❖ red blood cells & all types of white blood cells.
❖ numerous leukocytes, bacteria, and cell debris.
❖ large amounts of water containing a few cells.
Causes of inflammation include:
❖ direct physical damage such as cuts and sprains.
❖ allergic reactions.
❖ infection.
❖ All the above
Glucocorticoids are used to treat inflammation because they directly:
❖ promote the release of prostaglandins at the site.
❖ decrease capillary permeability.
❖ mobilize lymphocytes and neutrophils.
❖ prevent infection.
Purulent exudates usually contain:
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