Chapter 18 Objectives
The Endocrine System

1.  Identify the major endocrine glands in the body.

2.  Make a simple chart and identify the endocrine gland, the hormones it produces
     and a general function.

Chapter 16 Objectives
The Special Senses

3.  Identify the major muscles of the eye and the cranial nerve that controls each.

4.  List the three layers of the eye.

5.  Contrast the functions of the ciliary body and the iris of the eye.

6.  Explain all the features of the retina.

7.  List two disorders of the refractory media of the eye.

8.  Contrast accommodation and the photopupillary reflex.

9.  List the visual pathways of the eye.

10. List the contents of the three areas of the ear.

11. Describe the role of the semicircular canals and the cochlea.

12. Describe the pathway that leads to hearing.

Take a Quiz

1. Identify the FALSE statement from the following:
        a. steroids and peptides are classes of hormones
        b. the hypothalamus directs the secretions of many endocrine glands
        c. the endocrine glands works on a system of positive feedback
        d. hormones travel throughout the body in the blood stream

2. Hormones:
        a. are responsible for muscle contraction
        b. are related to the integumentary and skeletal system studied last semester
        c. are closely associated with chemical reactions within cells
        d. all of the above

3.  Identify the layer of the eye that contains blood vessels.
        a. retina
        b. choroid
        c. sclera
        d. pupil

4.  If rods deal with black and white shapes, then cones
        a. are available at Baskin Robbins
        b. control the lens of the eye
        c.  form synapses with rods
        d. deal with color and visual acuity

5.  List in order the refractory media of the eye.
        a.  lens
        b.  cornea
        c.  vitreous humor
        d. aqueous humor

6.  In contrasting accommodation and the photopupillary reflex:
        a. accommodation deals with the lens and the photopupillary reflex deals with      
            the iris
        b. in accommodation the ciliary muscle contracts, in the photopupillary reflex
            circular muscles contract
        c.  in accommodation light is bent, in the photopupillary reflex light is blocked 
        d. all of the above

7.  The visual pathway of the eye includes:
        a.  the arrangement of receptors on dendrites, cell bodies, and nerve axons
        b.  the liquids of the eye and the chambers that contain them
        c.  the extrinsic muscles of the eye and cranial nerve control
        d.  the sclera and the canal of Schlemm

8.  The tympanic membrane:
        a.  contains the trigeminal nerve
        b.  is part of the external ear
        c.  vibrates against bones if the middle ear
        d.  all of the above

9.  Identify the structures associated with the cochlea
        a.  organ of corti
        b.  basilar membrane
        c.  semicircular canals
        d.  two of the above

10.   Place in order, the events that occur in the physiology of hearing.
        a.  hair cells bend causing a sensory impulse
        b.  a vibration occurs in the perilymph of the scali tympani and scali vestibuli
        c.  tympanic membrane causes the movement of the malleus, incus, and stapes
        d.  the wave moves the basilar membrane