Where Is the CR Centered for a PA Projection of the Hand

question 38

Multiple Choice

Where is the CR centered for a PA projection of the hand?

• A)At the third proximal interphalangeal joint
• B)At the third metacarpophalangeal joint
• C)At the base of the third metacarpal
• D)At the third distal interphalangeal joint

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Definitions:

Caudal

At or near the rear or the tail end of an organism.

CNS

The central nervous system, composed of the brain and spinal cord, which processes and sends out neural signals.

PNS

The Peripheral Nervous System, which consists of the nerves and ganglia outside of the brain and spinal cord.

Cerebrospinal Fluid

The clear, colorless body fluid found in the brain and spinal cord, acting as a cushion and providing nutrients to these areas.