10 Questions
What is the primary function of the parasympathetic outflow of the vagus nerve on the heart?
Decreased heart rate and contraction force
Which of the following organs is NOT stimulated by the vagus nerve for secretion of digestive enzymes?
Adrenal glands
What is the purpose of the gag reflex?
To prevent choking
Which cranial nerve is responsible for the sensory arc of the gag reflex?
CN IX (Glossopharyngeal Nerve)
What is the desired response of the gag reflex, regardless of the input side?
Bilateral contraction of the soft palate
Which of the following is NOT a target response of the vagus nerve's parasympathetic outflow?
Increased heart rate
What is the primary function of the GVE component of the vagus nerve?
Regulation of digestive processes
Which of the following organs is NOT innervated by the vagus nerve?
Adrenal gland
What is the purpose of the vagus nerve's innervation of the smooth muscle and glands of the thoracic and abdominal viscera?
To stimulate digestion and absorption
What is the role of the vagus nerve in the regulation of the digestive system?
To stimulate the secretion of digestive enzymes
This quiz covers the continuation of cranial nerves in BMS neuroanatomy, including nerve fiber modalities such as GSE, GSA, and GVE. Presented By: Dr. K. Lumsden and Dr. M. Doroudi.
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