Eye
Ear
Cranial Nerves
Spinal Nerves
Endocrine
100

This cavity of the eye contains vitreous humor.

What is the posterior cavity?

100

This structure is commonly referred to as the eardrum.

What is the tympanic membrane?

100

This cranial nerve is the only cranial nerve to extend below the neck. 

What is cranial nerve X, the vagus nerve?

100

The musculocutaneous nerve is a part of this plexus. 

What is the brachial plexus?

100

The pineal gland secretes this hormone.

What is melatonin?

200

This part of the eye contains photoreceptors, rods, and cones.

What is the retina?

200

This structure equalizes the pressure in the inner ear.

What is the auditory tube/eustachian tube?

200

The superior oblique muscle is innervated by this nerve.

What is cranial nerve IV, the trochlear nerve? 

200

This sensory only nerve travels up the medial side of the leg.

What is the saphenous nerve?

200

This hormone is the stimulus for the release of TSH.

What is thyrotropin-releasing hormone?

300

The inferior oblique muscle moves the eye in this direction.

What is superiorly and laterally?

300

This is the sense detected by the semicircular canals. 

What is the sense of rotation?

300

This sensorimotor nerve is responsible for taste on the posterior 1/3 of the tongue (sensory) and the muscles used in swallowing (motor). 

What is cranial nerve IX, the glossopharyngeal nerve?

300

This spinal nerve exits the spinal column between the T5 and T6 vertebrae.

What is spinal nerve T5?
300

This hormone is released in response to increased stretch on the atrial wall.

What is atrial natriuretic peptide?

400

This structure controls accommodation of the lens. 

What are ciliary bodies 

400

The method through which manipulation of hair cells in the cochlea passes an action potential on to the brain.

What are mechanically gated ion channels?

400

The function of cranial nerve XI.

What is motor function of the muscles of the mouth, pharynx, larynx, neck, and upper back? (accessory nerve)

400

This nerve is a branch of the sciatic nerve and runs along the posterior side of the leg

What is the tibial nerve?

400

The target tissue and function of aldosterone.

What is increased Na+ (and therefore, water) reabsorption in the kidneys?

500

The area within the brain where optic nerves cross.

What is the optic chiasm?

500

High-pitched sounds are detected by hair cells in the part of the cochlea nearest to this structure.

What is the oval window?

500

Testing for an individual's gag reflex assesses the function of these two nerves.

What are cranial nerve X, the vagus nerve, and cranial nerve IX, the glossopharyngeal nerve? 

500

This nerve innervates the muscles which provide extension at the wrist. 

What is the radial nerve?

500

This hormone would be released in response to low blood sugar concentration.

What is glucagon?

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