With aging, the eye is increasingly subject to _____________________, cloudy spots on the lens of the eye. Eventually these can form over the whole lens, which takes on a milky-white to yellowish color and becomes incapable of transmitting light.

Which photoreceptor cells are more numerous?

The ear detects sound and head movement and signals transmitted via vestibulocochlear nerve (CN VIII)

Which photoreceptor cells are more numerous?

β3 receptors: May be stimulatory (or inhibitory) Located in adipose (triglyceride breakdown for fuel); urinary bladder smooth muscle (relaxation)

Which photoreceptor cells function in dim light or the dark?

Unencapsulated tactile receptors are Axon terminals of sensory neurons with no protective cover

Secondary (2nd order) neuron is an interneuron; receives primary input and extends to tertiary neuron or to cerebellum  

Which of the following is NOT TRUE about Muscarinic receptors?

In the brain, the ________ is the integration and command center for autonomic functions.