Structure 5 contains the _________.   hair cells that detect angular acceleration of the head hair cells that detect linear acceleration of the head macula and utricle basilar membrane and hair cells that detect sound

Fill in blank Light that enters the eye is refracted in order to focus it on the______- of the retina

Why is it useful to be able to localize something accurately on your skin

Based on the same attached figure as above (Figure 10.9 in your textbook), what kind of channel permits K+ to pass through the apical-end membrane in hair cells of the ear? (A) Spiral ganglion Tectorial membrane Scala vestibuli Inner hair cells -45 mV Scala tympani Outer hair cells Scala media Organ of Corti Perilymph Low K+ 0mV Endolymph High K+ +80 mV (B) Stria vascularis Basilar membrane Ca²+ Afferent. nerve Depolarization O Nucleus wwww. 00 -Depolarization. Vesicles -Transmitter To brain C₂24

1) When a hair cell is activated by a sound wave ____. A) it fires action potentials that cause the basilar membrane to begin to vibrate B) it releases neurotransmitter C) its kinocilia and stereocilia release chemicals 2) Low pitch sounds are heard when the ______. A) longer more flexible fibers in the basilar membrane vibrate B) region of the basilar membrane closest to the oval window vibrates C) entire basilar membrane vibrates equally but at a low frequency

When norepinephrine binds to alpha1 receptors on the smooth muscle of the iris, the pupil _____.  Question options: A constricts B dilates

After spinning in an office chair and then standing up quickly, you notice that the room is still spinning even though your head rotation has ceased. Which option best explains this phenomenon? Hair cells release a small amount of neurotransmitter at rest. The continued depolarization of hair cells within the utricle and saccule. Fluid continues to circulate through the semicircular canals. Two of the above.

Equilibrium is detected by hair cells located in the _______. Question options: A external auditory canal B vestibular complex C spiral organ D cochlea

1) The function of structure 1 is to detect ______.  vibration high pitched sounds low pitched sounds angular acceleration

what is the function of a tatctile corpuscle