Make bags of air with some potato slices at the bottom.
Answer:
The correct option is : a. The phrenic nerve from the cervical plexus
Explanation:
The diaphragm is a thin skeletal muscle which separates the thoracic cavity and the abdominal cavity.
The phrenic nerve is a nerve present in the thoracic region, that passes down between the heart and the lung and reaches the diaphragm.
The phrenic nerve innervates the diaphragm from the C3–C5 of cervical plexus.
Retinopathy develops in patients with diabetes mellitus because of Retinal ischemia and red blood cell aggregation occurrence.
Anyone with diabetes can develop diabetic retinopathy.
Diabetes Retinopathy is caused by high blood sugar due to diabetes, having too much of sugar can damage retina.
At start of this, it might cause no symptoms or only mild vision problems. but longer can cause blindness.
as the time passes, too much sugar in blood leads to the blockage of the tiny blood vessels that nourish the retina and cuts off its blood supply.
and the eye attempts to grow new blood vessels. but they don't grow properly and can cause leakage.
Complications of retinopathy include blindness and also vitreous hemorrhage, Retinal detachment. and Glaucoma.
To prevent the risk, one should Manage your diabetes, monitor your blood sugar level and also keep BP and cholesterol under control.
To know more about diabetes retinopathy,
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