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What cranial nerve affects smooth muscle in the stomach?
The cranial nerve that affects smooth muscle in the stomach is the vagus nerve, or cranial nerve X. It plays a crucial role in the autonomic nervous system, particularly in promoting parasympathetic activity, which stimulates digestive processes. The vagus nerve innervates the smooth muscle of the stomach, facilitating peristalsis and the secretion of digestive enzymes.
Which cranial nerve is responsible for regulating visceral activity?
The vagus nerve (cranial nerve X) is responsible for regulating visceral activity. It plays a key role in controlling various internal organs, including the heart, lungs, and digestive system.
What nerve stimulates the lateral rectus muscle of the eye?
Abducens
What nerve stimulates the diaphragm?
ulna
How does chewing gum effect thinking ability?
Studies have shown that it can increase brain activity as it stimulates many nerve receptors. The taste and continual chewing keeps your brain awake and active.
What is the most important nerve of the digestive tract?
Vagus nerve
True or False A neurotransmitter substance crosses the synaptic cleft between a nerve and muscle fiber and stimulates the nerve to have an action potential?
False
What causes glossopharyngeal neuralgia?
Glossopharyngeal neuralgia may be due to inflammation or compression of either the glossopharyngeal nerve or the vagus nerve, another nerve that innervates (stimulates) the same basic areas.
What nerve causes increased peristalsis and decreased heart rate when the nerve impulses?
The vagus nerve, a part of the parasympathetic nervous system, is responsible for increasing peristalsis in the gastrointestinal tract and decreasing heart rate. When the vagus nerve is stimulated, it releases neurotransmitters that promote digestive activity while inhibiting the heart's pacemaker activity. This dual action helps regulate bodily functions during restful states, aligning with the body's "rest and digest" responses.
What cranial nerves slows the heart and increases motility of digestive tract?
The vagus nerve (cranial nerve X) slows the heart and increases motility of the digestive tract. It is part of the parasympathetic nervous system which is a branch of the autonomic nervous system.
The point of contact between the nerve and the muscle fibers it stimulates is called a?
The point of contact between the nerve and the muscle fibers it stimulates is called a neuromuscular junction. This junction allows for communication between the nervous system and the muscular system, facilitating muscle contraction in response to nerve impulses.
Which cranial nerve is involved when disgesting?
The cranial nerve X (Vagus Nerve) is involved for digestion. It stimulates the stomach and releases gastric juices including water, pepsin and hydrochloric acid which is needed for digestion.
