Which of the following is NOT system maintenance?

Antivirus software
Disk defragmentation
Disk cleanup
System administration


Antivirus software

Rationale: Antivirus software is not actually a type of system maintenance. All of the other answer choices are commonly used system maintenance functions.

Health Professions

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The germ theory of disease states that

A) a specific microbe produces a specific change in the substance on which it grows. B) organisms from pure culture must reproduce the disease in a susceptible animal. C) the same organism must be found in all cases of a given disease. D) a specific infectious disease is caused by a specific type of microorganism.

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A muscle that helps the prime mover by stabilizing a joint is called a(n) ________. 

Fill in the blank(s) with the appropriate word(s).

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On the buccal surface, root bifurcation is 0-1mm from the cervical line.

Answer the following statement true (T) or false (F)

Health Professions

When errors associated with the AED occur, it is usually the result of:

A. failure of the AED's internal memory card. B. failure of the internal analyzing mechanism. C. inappropriate placement of the chest pads. D. failure to ensure the batteries are charged.

Health Professions