Exam 43: Sensory Systems

Which of the following correctly describes the order of events that occur when you touch a very hot surface? 1) Action potential 2) Stimulus 3) Receptor potential 4) Transduction into electrical energy

Figure 43-2 Use the figure to answer the corresponding question(s). -The structures labeled 2 in Figure 43-2 are the:

The function of the malleus, incus, and stapes in the middle ear is to:

MATCHING Match the sense organ with its description. a.ear f.proprioreceptor b.eye g.semicircular canal c.lateral line organ h.tongue d.nocioreceptor i.utricle/saccule e.nose -contains taste buds

Figure 43-3 Use the figure to answer the corresponding question(s). -In Figure 43-3, the vestibular canal is labeled:

Each ommatidium of the compound eye of an insect has a biconvex lens and a __________, which help focus light onto photoreceptor cells known as __________.

Discuss the function of hair cells as sensory receptors, and identify two different locations and/or organs that utilize these receptors.

Pit vipers and boas locate their prey using:

The outermost covering of the eyeball is the choroid layer. ____________________

Which group of receptors is most important to help a diver maintain an upright position while exploring a dark passageway in an underwater shipwreck?

Sensilla are sensory hairs involved in taste and smell. ____________________

A person can discriminate loud and soft sounds because a loud sound:

In the visual pathway information is sent from the photoreceptor cells in the retina directly to the ganglion cells.

Lateral line organs allow:

You observe a group of fish turn almost simultaneously in the same direction.Which receptors are they using?

When light strikes a rod cell, rhodopsin:

Figure 43-4 Use the figure to answer the corresponding question(s). -The signal/messenger responsible for opening the gated channel in Figure 42-4 is:

Figure 43-5 Use the figure to answer the corresponding question(s). -The type of cell labeled 5 in Figure 43-5 is:

Auditory receptors are located in the

If an individual is born without Pacinian corpuscles: