____ are disposable pipettes, resembling small drinking straws designed to hold 50 to 75 microliters of blood.

The ________ test is printed in either card or booklet form with a single color-dot illustration containing a number, or curved lines and shapes

a. Ishihara b. Kroll c. Moyer d. Rines

The first dental radiograph was produced using an exposure time of:

a. 0.5 second. b. 1 minute. c. 5 minutes. d. 25 minutes. e. 1 hour.