Nervous System
.
- 1.There are 12 pairs of cervical nerves.
- A.
True
- B.
False
- 2.Gray matter is made up of motor and sensory neurons.
- A.
True
- B.
False
- 3.Afferent nerves send impulses from the periphery to the central nervous system.
- A.
True
- B.
False
- 4.If the ventral root of a spinal nerve is damages there could be loss of sensory function
- A.
True
- B.
False
- 5.Visceral nerves provide innervation to the internal organs
- A.
True
- B.
False
- 6.The automatic nervous systemis one that is not willfully controlled
- A.
True
- B.
False
- 7.Spinal nerves are formed by the fusion of the dorsal and vertral root
- A.
True
- B.
False
- 8.A neuron that is intercalated is a short neuron that carries a message between 2 neurons
- A.
True
- B.
False
- 9.The sympathetic nervous system function in all except
- A.
Increase respiration
- B.
Increase heart rate
- C.
Increases salivary flow
- D.
Dilate pupils
- 10.Which nerve does not innervate the gingiva
- A.
Nasopalitine
- B.
Infraorbital
- C.
Posterior superior alveolar
- D.
Facial nerve
- 11.Controls heart rate
- 12.Sense of smell
- 13.Vision
- 14.Hearing
- 15.Parotid gland secretion
- 16.Following an injection a portion of the tongue becomes numb. Which nerve was anestitized?
- A.
Posterior superior alveolar
- B.
Middle superior alveolar
- C.
Lingual
- D.
Chorda tympani
- 17.The muscles of matication are innervated by the ___________ cranial nerve?
- A.
V
- B.
VII
- C.
IX
- D.
X
- E.
V and VII
- 18.Which nerve supplies taste sensation to posterior 1/3 of the tongue?
- A.
V
- B.
VII
- C.
IX
- D.
XI
- 19.The __________ nerve innervates the anterior mucosa of the hard palate
- A.
Posterior superior alveolar
- B.
Descending palatine
- C.
Pterygoplatine
- D.
Nasopalatine
- 20.The long buccal nerve innervates
- A.
Buccal posterior mandibular gingiva
- B.
Buccal posterior mandibular teeth
- C.
Mucosa of the cheek
- D.
A and c
- E.
All of the above
- 21.The nerve that is responsible for causing numbness to the lower lip and chin during anesthesia is the ___________ nerve
- A.
Mandibular
- B.
Lingual
- C.
Mental
- D.
Mylohyoid
- 22.All mandibular teeth in 1 quadrant are innervated by the ___________ nerve
- A.
2nd division of the trigeminal
- B.
Inferior alveolar
- C.
Buccal
- D.
Long buccal
- 23.The posterior superior alveolar nerve innervates the
- A.
Maxillary quadrant
- B.
Maxillary molars
- C.
Maxillary 3rd, 2nd, and 3 roots of the 1st molars
- D.
Maxillary posterior teeth
- 24.Balance and hearing could be attributed to a deterioration of the ______________ nerve
- A.
Abducens
- B.
Facial
- C.
Statoacoustic
- D.
Accesory
- 25.Facial twitch in the corner oth the mouth and cheek area may be caused by a malfunction in the _______________ nerve
- A.
Oculomotor
- B.
Trigeminal
- C.
Abducens
- D.
Facial
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