Nervus glossopharyngeus

What is the primary function of the Nervus Glossopharyngeal nerve?

• Vision

• Hearing

• Taste and sensation in the tongue and throat

• Balance

Which part of the tongue is innervated by the Nervus Glossopharyngeal nerve?

• The entire tongue

• The posterior third

• None of the above

• The anterior two-thirds

What type of nerve fibers are responsible for taste perception in the posterior third of the tongue?

• Motor fibers

• Sympathetic fibers

• Afferent fibers

• Efferent fibers

Which ganglion is involved in the taste perception pathway of the Nervus Glossopharyngeal nerve?

• Ciliary ganglion

• Trigeminal ganglion

• Geniculate ganglion

• Inferior ganglion

Which structure is NOT involved in the viscero-sensitive function of the Nervus Glossopharyngeal nerve?

• Carotid sinus

• Glomus caroticum

• Parotid gland

• Medulla oblongata

What is the role of the parasympathetic fibers of the Nervus Glossopharyngeal nerve?

• Controlling eye movement

• Regulating heart rate

• Stimulating salivation

• Facilitating digestion

What is the function of the carotid sinus in relation to the Nervus Glossopharyngeal nerve?

• Controlling muscle movement

• Detecting sound

• Monitoring blood pressure

• Regulating temperature

Which muscle is innervated by the somatomotor fibers of the Nervus Glossopharyngeal nerve?

• Biceps brachii

• Orbicularis oculi

• Stylo-pharyngeus muscle

• Masseter muscle

What is the clinical test used to assess the function of the Nervus Glossopharyngeal nerve?

• Pupillary light reflex

• Gag reflex

• Knee-jerk reflex

• Babinski reflex

Which nerve forms the efferent limb of the gag reflex?

• Facial nerve

• Vagus nerve

• Trigeminal nerve

• Hypoglossal nerve