Analyze this case in which the patient record states: 40 year old male patient (new) is evaluated for contusion of a finger. the history and examination were problem focused.

Finger contusion can be characterized by bruising of finger, where there is swelling and bleeding under the skin but no broken bones.

1. Diagnosis and Management:- Contusion of finger is diagnosed by the symptoms such as pain, swelling, discoloration, tenderness and difficulty in movement. Sometimes numbness is associated as swelling compresses the nerves in that region.X-ray (If required CT scan0 can be done to confirm the diagnosis and rule out fractures and other serious forms of injuries.

Depending upon the severity, treatment is decided. The contusion is managed with an aim to reduce pain, swelling and restore the movement. The options so as to treat the contusion, based on its severity are as follows

a. Applying Icepacks and keeping the finger propped up above the heart level.

b. Splinting and taping

c. Physiotherapy

d. Ultrasound therapy

e. Surgical treatment is required in case of torn ligaments.

These options of treatment are accompanied with over the counter pain killers and anti inflammatory drugs

it would be c. xylem.

oxygen = 21% of the atmosphere

nitrogen = 78%

carbon dioxide = 0.1%

argon =0.934%