Question 1

Analyze the following ABG: PH: 7.32,PACo2: 31 mm Hg,HCO3: 19 meq/ liter,PaO2: 78 mmHg , Sao2: 89% .This shows:*

A. Metabolic Acidosis partially Compensated

B. Respiratory acidosis

C. Metabolic alkalosis

Question 2

Cellular aging characteristics include:*

A. Atrophy

B. Hypertrophy and hyperplasia or remaining cells, which can lead to metaplasia, dysplasia, and neoplasia

C. Decreased function

Question 3

In response to a bacterial infection my body's thermostat is raised. I start to shiver and produce more body heat. When my body temperature reaches 37 degrees, I stop shivering and my body temperature stops going up. This is an example of:*

A. A malfunctioning control system

B. Positive feedback

C. Negative feedback

D. A negative impact

Question 4

Once a cell is injured, it is always reversible:*

A. True

B. False

Question 5

One of the following characterizes a benign tumor :*

A. Irregular shape with no capsule

B. Is a fixed mass

C. Cells multiply quickly

D. Never spread to the other cells

Question 6

Pain during inflammation is caused by which of the following :*

A. Pressure exerted by exudate accumulation,

B. The presence of soluble biochemical mediators such as prostaglandins and bradykinin

C. Increased blood flow through the injured site.

Question 7

PH: 7.37, PACO2: 58 mm Hg, HCO3: 29 meq / liter,PAO2: 65 mm Hg,SAO2: 87%.This shows a :*

A. Metabolic alkalosis

B. Respiratory acidosis fully Compensated

C. Respiratory acidosis partially compensated

D. Metabolic acidosis

Question 8

The cell may adapt by a reversible replacement of one mature cell by another, sometimes less differentiated, cell type .This is known as :*

A. Dysplasia

B. Metaplasia

C. Hypertrophy

D. Atrophy

Question 9

The single most common cause of cellular injury is :*

A. Chemicals

B. Hypoxia

C. Free radicals

D. Infection

Question 10

During inflammation process histamine is produced when there is master cell degranulation and causes the following EXCEPT :*

A. Temporary , rapid constriction of the large vessel walls

B. Increased vascular permeability resulting from retraction of endothelial cells lining the capillaries

C. Dilation of the post capillary venues, both of which result in increased blood flow into the microcirculation.

D. Is responsible for initiating healing

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