Read This Patient's Physical Exam: Physical Exam

Read this patient's physical exam: Physical Exam:
RR: 16; HR: 70; Temp: 98.6; BP: 110/60
Gen: Alert, oriented.
CV: RRR, no murmurs.
Resp: CTA.
Musculoskeletal: Crepitation in right knee, decreased ROM. Mild effusion. Mild muscular atrophy of right quadriceps muscle compared to left.
Labs: ESR normal, joint aspiration normal.
X-ray: Subchondral cysts, subchondral sclerosis, joint space narrowing.
According to the physical exam, this patient is NOT experiencing:

A) crackling sound in the right knee.
B) decreased range of motion.
C) hardening of the joints.
D) mild decrease or loss of muscle tissue in the right quadriceps.
E) mild fluid build-up.