Exam 12: Nervous System III: Senses

Sensory receptors include

Sensory receptors are specialized cells or multicellular structures that collect information from the environment and stimulate neurons to send impulses along sensory fibers to the brain, where the cerebral cortex forms a perception.

Pain receptors differ from other somatic receptors by

Colorblindness is inherited.

When the radial muscles of the iris contract, the diameter of the pupil decreases.

The utricle and saccule contain the sensory receptors associated with the sense of dynamic equilibrium.

The brain interprets input from sensory receptors as

Receptors stimulated by changes in temperature are called ____________ .

Henry has hereditary sensory and autonomic neuropathy. He lacks

Fibers of the spinothalamic tract transmit pain and temperature information to the

Farsightedness after the age of forty-five is most likely caused by

Receptors for the special senses are found

The Golgi tendon organ is stimulated more when

Receptors that are stimulated by changes in chemical concentrations are called thermoreceptors.

Visual sensations from images focused on the side of the retina are blurred because

Floaters are bowel movements that float due to a fatty diet.

The optic disc is medial to the fovea centralis and is the site from which nerve fibers from the retina leave the eye and become part of the optic nerve.

If you were a physician evaluating a young person who has conductive deafness, which of the following would you consider in your differential diagnosis?

Optic nerve fibers cross over in the thalamus.

The taste of food is the same, whether a person has a respiratory infection or not.