The type of machine that uses a needle that goes from side to side is a/an
a. offset machine
b. zigzag machine
c. straight-stitch machine
d. chain-stitch machine
student d
incorrect

When the dental assistant is seated in the correct position is usually what

Check all that occur during ventricular systole. a. the av valves open to allow blood to enter the ventricles from the atria. b. the av valves open to allow blood to enter the ventricles from the atria. c. the semilunar valves remain closed throughout systole to prevent backflow of blood into the ventricles. d. the semilunar valves remain closed throughout systole to prevent backflow of blood into the ventricles. e. the semilunar valves open to allow blood to flow into the large arteries. f. the semilunar valves open to allow blood to flow into the large arteries. g. the av valves close to prevent backflow of blood into the atria.

Write 2 paragraphs why is sugar so addicting