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What two prominent muscles have been affected if your right accessory nerve was severed in an accident and there was muscle atrophy?
The trapezius and sternocleidomastoid muscles would be affected if the right accessory nerve was severed. These muscles may show signs of atrophy due to the loss of nerve supply, leading to weakness and decreased function in shoulder movement and head rotation.
What cranial nerve controls neck and shoulder movements?
Cranial Nerve XI (eleven) is know as the spinal accessory nerve and is responsible for the action of shoulder shrugging by way of its innervation of the trapezius muscle. The function of this cranial nerve may also be tested by asking the patient to turn their head to the left and right and by resisting this motion by placing your hand on their chin (the muscle tested in this second scenario is the Sternocleidomastoid, SCM).
What is the nerve carrying motor information causing the right leg flexion when you step on a nail?
The nerve carrying motor information causing right leg flexion when stepping on a nail would be the sciatic nerve. This nerve is responsible for providing motor function to the muscles of the lower limb, including the hamstrings which are involved in flexing the leg in response to a painful stimulus like stepping on a nail.
What if there is something wrong with your visionwhich part of the brain do you think will be affected?
It could be the optic nerve. You should see an ophthalmologist right away.
How do you have 100 percent full control of your hands?
People who have no medical conditions have the right nerve endings, bone structure and muscles for this 100% control.
What nerve causes flexion and supination at the right elbow joint?
The flexor muscles, including the biceps brachii which is both a flexor and supinator, are innervated by the musculocutaneous nerve. The supinator muscle, which assists the biceps brachii in supination, is innervated by the deep branch of the radial nerve.
Which branchial arch forms the bones muscles and nerve of the face and the lower lip?
First branchial arch also known as the mandibular arch is the right answer.
What Nerve carrying motor information causing left leg extension?
The nerve responsible for carrying motor information causing left leg extension is the sciatic nerve, specifically the fibular (peroneal) division which innervates the muscles that extend the leg.
How do the liver and skeletal muscles handle a carbohydrate overload?
It all depends on what you mean by an overload. If you eat many cookies, the carbohydrates you don't use right away are stored as fat. The liver and muscles are not directly affected.
Your novacaine has not worn off in a week and the right side of your tongue is still numb what should you do?
That doesn't sound right at all. Contact your dentist or doctor immediately. It sounds like a nerve may be affected.
What is the recurrent laryngeal nerve?
The recurrent laryngeal nerve is a branch of the vagus nerve that innervates the muscles of the larynx, which are important for vocalization and swallowing. It loops around the aorta on the left side and the subclavian artery on the right side before traveling back up to the larynx. Injury to this nerve can result in vocal cord paralysis.
How is the light optic tract anatomically different from the right optic nerve?
The right optic tract carries information from the left hand side of both eyes visual field, where-as the right optic nerve carries information solely from the right had eye. After the optic nerves from both eyes perform this partial intersection (in the optic chiasm) they then become known as the optic tract. Hope this helps.
