Psych210 quiz2&exam

PSY 210 – EXAM 1

MULTIPLE CHOICE QUESTIONS

(see Figure 7.3)

1. The structure indicated by the number “8” in this image is the

a. cochlea.

b. pinna.

c. ossicle.

d. incus.

2. The round window covers the

a. auditory canal.

b. vestibular canal.

c. cochlear duct.

d. tympanic canal.

3. The organ of Corti rests on the

a. tectorial membrane.

b. Reissner's membrane.

c. basilar membrane.

d. tensor tympani.

4. High frequency sounds produce a peak response

a. near the base of the basilar membrane.

b. near the apex of the basilar membrane.

c. in the tectorial membrane.

d. in Reissner's membrane.

5. Approximately _________ percent of auditory nerve fibers make connections with outer hair cells, whereas _________ percent make connections with inner hair cells.

a. 5; 95

b. 25; 75

c. 50; 50

d. 95; 5

6. Hairlike cilia extend from

a. inner hair cells only.

b. outer hair cells only.

c. both inner and outer hair cells.

d. neither inner nor outer hair cells.

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7. The structure indicated by the number 2 in this image is known as a(n)​   a.  ​extrafusal fiber.   b.  ​Ia sensory fiber.   c.  ​gamma motor fiber.   d.  ​intrafusal fiber.

8. Feedback regarding joint position and movement is provided by​   a.  ​muscle spindles.   b.  ​mechanoreceptors.   c.  ​Golgi tendon organs.   d.  ​free nerve endings.

9. The signal to your brain that light has hit your retina is _________. Interpreting the signal is _________.

a. sensation; perception

b. perception; sensation

c. conscious; unconscious

d. natural; supernatural

10. The transformation of sensory stimuli into neural signals in any of the sensory systems is called ________.

a. sensation

b. interpolation

c. perception

d. transduction

SHORT ESSAY QUESTIONS

1. What are the causes and symptoms of neglect syndrome?

2. Provide an example of a cholinergic antagonist, and describe its effects on movement.