Autonomic Nevous System & sense organ

Which of the following is an action of the parasympathetic division of the autonomic nervous system?

• Increase heart rate

• Constrict bronchial tubes

• Stimulates sweat glands

• Inhibit intestinal motility

Nociceptors respond to?

• various chemicals inside and outside the body.

• pressure, stretch, or vibration.

• pain from tissue damage.

• changes in temperature.

The true source of pain can be difficult to
identify because:

• nociceptors can be stimulated by a variety of chemicals.

• deep body organs do not contain pain fibers.

• some pain signals travel to the thalamus, whereas others travel to the limbic system.

• sensory impulses from different areas often travel to the brain over the same pathway.

Which inner ear structure contains the structures for hearing?

• Vestibule

• Semicircular Canals

• Cochlea

• Auricle

The outermost layer of the eye is the?

• sclera

• ciliary body

• choroid

• retina

The bending of light rays so they focus precisely on the retina is called?

• convergence

• accommodation

• constriction

• refraction

The sense of taste is called?

• gustation

• olfaction

• equilibrium

• convergence

Which condition would cause a sensorineural hearing loss?

• Death of hair cells in the organ of Corti

• Fluid in the middle ear

• Fusion of the auditory ossicles

• Impacted cerumen

Rods are?

• active in dim light

• concentrated in the center of the retina

• responsible for color vision

• primarily responsible for sharp vision

What condition results when the rate of absorption of aqueous humor through the canal of Schlemm is less than its production?

• Cataracts

• Astigmatism

• Hyperopia

• Glaucoma