BMS107 Past Test Questions
Chapter 19, Fall 2008

---

Quizzes | Home

---

Multiple Choice - One Correct Choice Per Question

---

Roll mouse over choices to find best answer (it will "light up").
Please do not click on any of the choices.
If you accidentally click, use your Backspace key or Back button to get back here.

---

1. The "vestibular complex" includes the
   1. cochlea
   2. vestibule
   3. semicircular canals
   4. both A and C
   5. both B and C
   
   
2. Which auditory ossicle is in direct contact with the tympanic membrane?
   1. incus
   2. stapes
   3. malleus
   4. none of the auditory ossicles are in direct contact with the tympanic membrane
   
   
3. The oval window is
   1. the superior opening of the auditory tube
   2. an opening in the tympanic membrane, between the outer ear and the inner ear
   3. an opening in the bony labyrinth, between the middle ear and the inner ear
   4. the opening that permits endolymph to flow freely within the inner ear
   
   
4. Most of the receptors in the spiral organ are known as
   1. hair cells
   2. bipolar cells
   3. vestibular nuclei
   4. otolithic membranes
   
   
5. The stapedius is
   1. the anatomical term for the "oval window"
   2. the bony wall the surrounds the membranous labyrinth
   3. one of the auditory ossicles ("ear bones")
   4. a muscle capable of restricting the movement of one or more auditory ossicles
   
   
6. The auditory nerve pathway includes
   1. nuclei in the brainstem
   2. nuclei in the thalamus
   3. both of the above
   4. none of the above
   
   
7. What is the correct sequence in the three layers of the eye?
   1. fibrous tunic (outermost) > neural tunic > vascular tunic (innermost)
   2. fibrous tunic (outermost) > vascular tunic > neural tunic (innermost)
   3. vascular tunic (outermost) > fibrous tunic > neural tunic (innermost)
   4. vascular tunic (outermost) > neural tunic > fibrous tunic (innermost)
   
   
8. Which one of the following is false?
   1. The cornea is part of the fibrous tunic.
   2. The iris is part of the fibrous tunic.
   3. The retina is part of the nervous tunic.
   4. The ciliary body is part of the vascular tunic.
   
   
9. The primary function of the suspensory ligaments is to suspend and help control the tension in the
   1. cornea
   2. lens
   3. iris
   4. vitreous body
   
   
10. The sphincter pupillae muscle (pupillary constrictor) is physically part of the
    1. iris
    2. pupil
    3. ciliary body
    4. fibrous tunic
    
    
11. Which one of the following is false?
    1. The layers of the retina, starting from farthest from the center of the eye, is: photoreceptor layer, bipolar cell layer, ganglion cell layer.
    2. The optic nerve contains the axons of the ganglion cells of the retina.
    3. The number of rods connected to one bipolar cell is greater than the number of cones connected to one bipolar cell.
    4. The ratio between rods and cones is approximately equal throughout the retina.
    
    
12. Most of the axons in the optic tracts are located
    1. between the two eyes
    2. between the eye and the optic chiasm
    3. between the optic chiasm and the thalamus
    4. between the thalamus and the occipital lobe
    
    
13. Which fluid is constantly produced in the posterior chamber of the eye, from which it flows to the anterior chamber?
    1. endolymph
    2. perilymph
    3. aqueous humor
    4. vitreous humor
    
    
14. If the ciliary muscle contracts,
    1. the tension in the suspensory ligaments will increase
    2. the curvature of the lens will decrease (it will become relatively tall and thin)
    3. the degree of light refraction by the lens will increase
    4. all of the above