The Largest Sinus Is Within Which Bone

question 117

Multiple Choice

The largest sinus is within which bone?

• A) nasal
• B) sphenoid
• C) ethmoid
• D) frontal
• E) maxilla

---

Definitions:

Spinal Nerves

Nerves that originate from the spinal cord, conveying motor, sensory, and autonomic signals between the spinal cord and the body.

Adrenergic

Relating to nerve cells or fibers that release adrenaline (epinephrine) or noradrenaline (norepinephrine) as a neurotransmitter.

Postganglionic Sympathetic

Refers to the neurons in the sympathetic nervous system that transmit nerve impulses away from the ganglia to target organs.

Preganglionic Sympathetic

Pertains to the neurons that run from the central nervous system to a ganglion in the sympathetic part of the autonomic nervous system.