The surgical puncture of the abdominal cavity for aspiration of fluid is known as __________

500 mg of active ingredient is mixed with 30 gm of ointment base. What is the final concentration (w/w)?

A) 1.6% B) 16% C) 6 D) 0.6%

Which type of tissues specialize to provide specific secretions for the body?

A) epithelial B) connective C) nerve D) muscle