The long protein chain

A: The long protein chain is folded upon itself like a hollow bull giving rise to the tertiary structure.
R: Tertiary structure gives a 3-dimensional view of protein
A. Both A and R are true and R is the correct explanation of A.
B. Both A and R are true but R is NOT the correct explanation of A.
C. A is true but R is false.
D. A is false but R is true.
E. Both A and R are false.

A 55-year-old man presents to his physician with 6 months of mild intermittent pain in both knees. The pain is aggravated by walking and weight bearing, and is partially relieved by rest. He also complains of morning stiffness that lasts for 10 minutes. He does not smoke but drinks alcohol occasionally. His BMI is 25 Kg/m2, temperature is 37C (98.6.F), pulse is 75/min, and blood pressure is 130/80 mmHg. Examination reveals crepitus over both knee joints. Which of the following is the most appropriate initial treatment for this patient?

A. Antibiotics

B. Ketorolac

C. Acetaminophen

D. Colchicine

E. Oxycodone