Cranial Nerves Innervations

Play an AI-generated podcast conversation about this lesson

Which cranial nerve is responsible for sensory innervation of the upper portion of the nose?

CN IX (Glossopharyngeal nerve)

CN I (Olfactory)

CN V (Trigeminal nerve) (correct)

CN VII (Facial Nerve)

Which nerve is responsible for the motor function of the palatoglossus muscle?

CN IX (Glossopharyngeal nerve)

CN X (Vagus)

CN XII (Hypoglossal) (correct)

CN VII (Facial Nerve)

Which nerve is associated with the efferent limb of the gag reflex?

CN V (Trigeminal nerve)

CN IX (Glossopharyngeal nerve) (correct)

CN XII (Hypoglossal)

CN X (Vagus)

Which nerve innervates the true vocal cords and carina, and is very sensitive to stimuli?

Recurrent Laryngeal Nerve (RLN) Signup and view all the answers

Which nerve lies inferior to CN V and receives preganglionic parasympathetic neurons from CN VII?

Pterygopalatine ganglion (Sphenopalatine ganglion/SPG) Signup and view all the answers

Which nerve is responsible for the motor function of all muscles of the tongue except palatoglossus?

CN XII (Hypoglossal) Signup and view all the answers

Which cranial nerve innervates the mucous glands of the larynx?

Vagus nerve (CN X) Signup and view all the answers

What is the color key indicating in the given text?

Sensory and motor innervations Signup and view all the answers

Which artery supplies the tongue with blood?

Lingual artery Signup and view all the answers

What is the landmark for awake intubation mentioned in the text?

Kiesselbach’s area Signup and view all the answers

Which nerve innervates the cricothyroid muscle?

Superior laryngeal nerve Signup and view all the answers

Which artery supplies the nasal cavity?

Sphenopalatine artery Signup and view all the answers

Which ventral rami are associated with the phrenic nerve?

C3, C4, C5 Signup and view all the answers

What is the primary function of non-adrenergic/non-cholinergic (NANC) fibers in the bronchopulmonary system?

Bronchodilation Signup and view all the answers

Which veins drain the lungs?

Pulmonary veins Signup and view all the answers

What is the function of sympathetic fibers of T1-T4 in the bronchopulmonary system?

Weak effect on airway diameter, vasoconstriction and gland secretion inhibition Signup and view all the answers

What do visceral afferent fibers transmit via CN X in the bronchopulmonary system?

Nociceptive and reflexive sensations Signup and view all the answers

Which nerve innervates most of the pharynx?