(H ∨ ∼S) • (G ∨ ∼A)

question 40

Multiple Choice

(H ∨ ∼S) • (G ∨ ∼A)

• A) MP-valid.
• B) CD-valid.
• C) DD-valid.
• D) CD-invalid.
• E) Invalid

---

Definitions:

Neuroglial Cells

Supportive cells in the nervous system that provide insulation, nutrients, and structural support for neurons, and participate in signal transmission.

Myelin

A fatty covering that insulates nerve fibers in the brain, spinal cord, and peripheral nerves, speeding the transmission of nerve impulses.

Action Potential

A rapid rise and subsequent fall in voltage or membrane potential across a cellular membrane, a process allowing neurons to transmit signals.

Membrane Potential

Voltage difference across a cell membrane.