The circle of Willis is a:
a. network of connected arteries at the base of the brain
b. structure of supporting connective tissue for the brain
c. complex neural network that connects the two hemispheres of the brain
d. series of channels and foramina within the cerebrospinal fluid network of the brain
a
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What is the proper way to destroy medical records?
A. Incineration B. Giving the record to the patient C. Shredding D. Dropping at a landfill
The percentage of CD4 positive lymphocytes is determined by flow cytometry using staining with fluorescent-tagged antibodies against CD3 and CD4 followed by whole blood RBC lysis
What calculations does the dual platform use to determine the absolute number of CD4 positive cells? a. Absolute CD4 count x 100 b. Number of CD4+ cells x 100 c. Absolute lymphocyte count x % CD4+ lymphocytes/100 d. % lymphocytes x % CD4+ lymphocytes/100
A protective program that limits the ability of other computers to access a computer is a/an ____
A) virus B) password C) uninterrupted power supply D) firewall
What type of outcomes typically precede changes in a risk or protective factor??
A) short-term B) long-term C) positive D) negative