20 Questions
Which cranial nerve provides sensory innervation to the upper portion of the nose?
CN I
Which cranial nerve is responsible for the sensory innervation of the laryngopharynx and trachea?
CN X
Which cranial nerve provides sensory innervation to the root of the tongue's posterior 1/3?
CN IX
Which cranial nerve is involved in parasympathetic stimulation that increases mucous gland production in the nose?
CN VII
Which cranial nerve carries motor fibers to the palatoglossus muscle?
CN X
Which cranial nerve provides sensory innervation to the lingual branch for pain, touch, and temperature to the anterior 2/3 of the tongue?
CN V
Which cranial nerve carries motor fibers to the stylopharyngeus muscle?
CN IX
Which cranial nerve carries motor fibers to all muscles of the tongue, except the palatoglossus muscle?
CN XII
What cranial nerve is responsible for carrying motor fibers to the sternocleidomastoid muscle?
Spinal Accessory Nerve (Cranial Nerve XI)
Which nerve innervates the cerebral blood vessels that dilate with stimulation?
Superior Laryngeal Nerve (SLN)
What is the motor function of the Long thoracic nerve?
Serratus anterior
Which nerve's sensory block is utilized for awake intubation?
Internal Laryngeal Nerve
What is the sensory function of the Pharyngeal Plexus?
Most of pharynx
Which nerve provides sensory innervation to the lower vocal cords?
Inferior Laryngeal Nerve
Which nerve innervates the mucous glands of the trachea?
Pulmonary Plexus
What is the motor function of the Pectoral nerves?
Pectoralis major and minor
What is the sensory function of the Ventral Rami and Dermatomes of Anterior Thoracic Wall?
Nipple = T4 Xiphoid process = T6 dermatome (T9 vertebra) Umbilicus = T10
What is the motor function of the Intercostal nerves (lower)?
Intercostal muscles
Which nerves provide motor fibers in plexus derived from CN X except stylopharyngeus (CN IX)?
Most of pharynx
What is the motor function of the C3-C8 nerves?
Anterior, middle, and posterior scalene muscles
Test your knowledge of the nerve innervations of the respiratory system. Identify which nerves provide sensory, motor, or both types of innervations to specific respiratory structures.
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