How Is the Central Ray Directed to Obtain This Image

question 63

Multiple Choice

How is the central ray directed to obtain this image?

• A) 15 to 20 degrees cephalad
• B) 15 to 20 degrees caudad
• C) 25 to 30 degrees cephalad
• D) 25 to 30 degrees caudad

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Definitions:

Voltage-Gated

Pertaining to channels on cell membranes that open or close in response to changes in electrical membrane potential.

Neural Signaling

The process by which neurons communicate with each other through electrical and chemical signals to process and transmit information.

Effectors

Molecules, cells, or organs that act in response to signals, often involved in processes such as muscle contraction or gland secretion.

Resting Membrane Potential

The voltage difference across the membrane of a cell at rest, maintained by ion gradients and crucial for the transmission of nerve impulses.