Exam 10:The Senses-Part B

The first part of the eye that refracts light rays is the ________________________.

The cranial nerve pair concerned with hearing is the _____________________.

Being aware of a sensation even after the stimulus has stopped is called a(n)________________________.

The cutaneous receptors for touch and pressure are ______________________ endings.

Constriction of the pupils in bright light is brought about by impulses carried by the _______________________ nerves.

The lens of the eye bulges for near vision when the ________________________ contracts.

The _____________________ glands produce tears.

The fovea differs from the rest of the retina because there are no ______________ present.

Information from arterial pressoreceptors and chemoreceptors may be used by the _____________________ of the brain to regulate ________________________.

The photoreceptors that detect the different wavelengths or colors of light are the ____________________.

The middle ear cavity is filled with ____________________,and the pressure is regulated by the _________________________.

Arterial chemoreceptors detect changes in the level of ______________________ in the blood.

The part of the eye that helps keep the retina in place is the __________________________.

The chemoreceptors for the sense of taste detect chemicals dissolved in ______________.

Most cutaneous receptors are found in the _________________________ of the skin.

The part of the eye that contains the receptors for vision is the ______________________.

The photoreceptors that detect the presence of light are the _________________.

The iris has two sets of ___________________ muscle fibers that regulate the size of the _____________________________.

There are _______________ semicircular canals,and their receptors are called _______________________.

The cranial nerve pairs for movement of the eyeball are the _______________________,___________________________,and _______________________.