A(n) ________ specializes in the branch of medicine that deals with the prevention and correction of disorders of the musculoskeletal system.

When performing an intramuscular injection, insert the needle at a __________________________________________ angle

Fill in the blank(s) with correct word

What is the name given to the acute angle formed by the costal pleura joining the diaphragmatic pleura?

a. Angle of Louis b. Costophrenic angle c. Diaphragmatic groove d. Oblique fissure