Exam 14: Senses

Which of the following statements is not true concerning rod and cone cells?

Which of the following is not involved in gravitational equilibrium?

The utricle is especially sensitive to what type of movements?

Sensory receptors of the skin are very distinct--each one has its own function.

Which region of the brain contains the olfactory cortex?

Which of the following is part of the middle ear?

The brain receives input from the proprioceptors, the eyes, and the vestibular nerve to help maintain our equilibrium.

Gravitational equilibrium is responsible for detecting up and down movements of the head.

All of the parts of the inner ear are concerned with equilibrium.

Order the steps involved in the activity of a muscle spindle: 1. Muscle spindle is stretched. 2. Reflex action occurs. 3. Contraction of muscle fibers adjoining the muscle spindle. 4. Nerve signals are generated. 5. The muscle relaxes. 6. The muscle's length increases.

If stereocilia move toward the kinocilium, which of the following occurs?

When the ciliary muscle is relaxed, the suspensory ligament is

Mechanoreceptors located in the auditory tubes are responsible for determining rotational equilibrium.

When you entered the room, there was a faint smell of smoke, but after about an hour, you no longer noticed the smell. What happened?

The receptors involved in our sense of equilibrium are

Which layer of the eye contains an extensive blood supply?

If the nerves between the eyes and the ears were switched, stimulation of the mechanoreceptors in the ear would result in

Which of the following cutaneous receptor is mismatched with its function?

Which disorder of the eye is due to the cornea or lens being uneven resulting in a fuzzy image?

Rotational and gravitational equilibrium both involve all of the following except