Answer:
A key Symptom of REM sleep disorder is (b) the occurnace of motor movements during slow-wave sleep.
Explanation:
Lots of movements can occur such as kicking, punching or jumping off the bed.
Answer: Option B
Explanation:
Vagotomy is a medical procedure which is used to decrease the gastric secretion in the stomach by denervating the parental cell that produces acid.
This condition is useful in case pf peptic ulcers. It is also used to eliminate or reduce the symptoms of gastroesophageal reflux in the patients who has already suffered from this.
In this operation the vagus nerve is cut down to reduce the rate of gastric secretion.
Thus, the correct answer is option B
