Ch 13 Nervous System & Phychologic Disorders

Question 1

Nerve endings that detect chemicals…

Answer 1

Chemoreceotors

Question 2

Thermoreceptors

Answer 2

Nerve cells that detect changes in temp

Question 3

Nerve cells that are receptive to light

Answer 3

Photoreceptors

Question 4

Astigmatism

Answer 4

stigma: points / marks
-ism: condition
Uneven curvature of the cornea or lens of the eye. Prevents the sharp focus of an image.

Question 5

Brain disorder characterized by paralysis & lack of muscle coordination.
(Results from developmental defects in the brain or trauma at birth)

Answer 5

Cerebral Palsy

Question 6

Diplegia

Answer 6

di-: two
-plegia: paralysis
Paralysis affecting like parts on both sides of the body.

Question 7

Diplopia

Answer 7

dipl/o: double
-opia: vision

Double vision

Question 8

Dysphagia

Answer 8

dys-: difficult
-phagia: eating/swallowing

Difficulty swallowing.

Question 9

Dysphasia

Answer 9

dys-: difficult
-phasia: speech

Speech impairment caused by a lesion in the brain; characterized by lack of coordination & failure to arrange words properly

Question 10

Encephalitis

Answer 10

encephal/o: brain
-itis: inflammation

Inflammation of the brain

Question 11

Meniere Disease

Answer 11

Chronic disease of the inner ear characterized by recurrent episodes of dizziness

Question 12

Myasthenia Gravis

Answer 12

my/o: muscle
-asthenia: weakness
Disease characterized by muscle weakness & abnormal fatigue.

Question 13

Myelitis

Answer 13

myel/o: bone marrow/spinal cord
-itis: inflammation

Inflammation of bone marrow or the spinal cord

Question 14

Hyperopia

Answer 14

Farsightedness

Question 15

Analgesics

Answer 15

Agents that relieve pain without causing loss of consciousness

Question 16

Hypnotics

Answer 16

Drugs often used as sedatives to produce a calming effect.