Ch. 8 - Text Review Questions Flashcards
The brainstem of the CNS consists of which structures?
a) Cerebrum, cerebellum, pons, & medulla.
b) Medulla, cerebrum, midbrain, & pons.
c) Medulla, pons, & midbrain.
d) Midbrain, ganglia, & nerves.
C) MEDULLA, PONS, & MIDBRAIN.
The central nervous system consists of which two of the following structures?
a) Spinal cord & peripheral nervous system
b) Brain & spinal cord
c) Autonomic & somatic nervous system
d) Brain & autonomic nervous system
B) BRAIN & SPINAL CORD
Which of the following is a CORRECT statement concerning neurotransmitters within the nervous system?
a) Discharged with the arrival of the action potential
b) Bind to RBCs so as to prompt transmission of impulses
c) Can initiate an action potential in an adjacent cell if inhibitory
d) Destroyed by specific WBCs while still active
A) DISCHARGED WITH THE ARRIVAL OF THE ACTION POTENTIAL
To what division of the nervous system does a nerve cell belong if it leads from the eye to the brain carrying visual information?
a) Central nervous system
b) Medulla & pons
c) Afferent nervous system
d) Efferent nervous system
C) AFFERENT NERVOUS SYSTEM
An efferent nerve with the nervous system is known to carry information:
a) from the periphery of the body to the brain (or spinal cord).
b) such as taste or pain to the spinal cord.
c) such as proprioception to the brain.
d) away from the brain (or spinal cord) to the periphery of the body.
D) AWAY FROM THE BRAIN (OR SPINAL CORD) TO THE PERIPHERY OF THE BODY.
To which of the following structures does the posterior superior alveolar nerve & its branch supply?
a) Frontal sinus
b) Maxillary posterior teeth
c) Parotid salivary gland
d) Temporalis muscle
B) MAXILLARY POSTERIOR TEETH
Through which of the following foramina does the facial nerve pass through the skull?
a) Foramen rotundum
b) Foramen ovale
c) Jugular foramen
d) Stylomastoid foramen
D) STYLOMASTOID FORAMEN
Which of the following cranial nerves is directly involved in Bell palsy?
a) Trigeminal nerve
b) Facial nerve
c) Glossopharyngeal nerve
d) Vagus nerve
B) FACIAL NERVE
Which of the following nerve & muscle pairs is a CORRECT match?
a) Long buccal nerve, buccinator muscle
b) Accessory nerve, platysma muscle
c) Hypoglossal nerve, intrinsic tongue muscles
d) Auriculotemporal nerve, temporalis muscle
C) HYPOGLOSSAL NERVE, INTRINSIC TONGUE MUSCLES
Which of the following nerve & innervation pairs is a CORRECT match?
a) Facial nerve, parotid salivary gland
b) Chorda tympani, sublingual salivary gland
c) Vagus nerve, temporomandibular joint
d) Lingual nerve, base of tongue
B) CHORDA TYMPANI, SUBLINGUAL SALIVARY GLAND
Which of the following cranial nerves has fibers that provide crossover-innervation to the contralateral side in the skull before continuing into the brain?
a) Facial nerve
b) Optic nerve
c) Trochlear nerve
d) Vestibulocochlear nerve
B) OPTIC NERVE
Which of the following cranial nerves carries taste sensation for the base of the tongue?
a) Trigeminal nerve
b) Facial nerve
c) Vagus nerve
d) Glossopharyngeal nerve
D) GLOSSOPHARYNGEAL NERVE
In which of the following regions of the head & neck is the trigeminal ganglion located?
a) Superior to the deep lobe of the submandibular salivary gland
b) Anterior surface of the petrous part of the temporal bone
c) Posterior surface of the maxillary tuberosity of the maxilla
d) Anterior to the infraorbital foramen of the maxilla
B) ANTERIOR SURFACE OF THE PETROUS PART OF THE TEMPORAL BONE
Sensory information is supplied for the soft palate by which of the following?
a) Greater palatine nerve
b) Lesser palatine nerve
c) Nasopalatine nerve
d) Posterior alveolar nerve
B) LESSER PALATINE NERVE
Which of the following nerves within the head & neck may show crossover-innervation from the contralateral side in a patient?
a) Posterior superior alveolar nerve
b) Anterior superior alveolar nerve
c) Posterior auricular nerve
d) Buccal nerve
B) ANTERIOR SUPERIOR ALVEOLAR NERVE
