1. hiv is an equal opportunity virus. the cdc states the largest obstacle in combating the war on aids is "combating complacency." this complacency is often displayed in the thought that "it won't happen to me."

false / true

2. the "window period" for hiv is the time when the person is mostly likely to test positive for hiv antibodies.

false /true

3.thrush can be one sign of hiv/aids during the symptomatic stage.

true/false

4.during the third stage of hiv, the t-cell count is:

a. less than 200

b. 201-400

c. 401-600

d. more than 600

Dr. redbull conducts a study to determine whether her new energy drink children perform better on spelling tests. she randomly assigns children to one of two groups: group 1 receives her energy drink and group 2 receives water. she then gives both groups a spelling test and compares the results. which of the following is true about this study? a. group 1 is the dependent variable and group 2 is the independent variable. b. this is a correlational study. c. group 2 is the experimental group. d. the independent variable is the type of drink the children receive.