Excessive stimulation of vagus nerve in humans may lead to:
hoarse voice
peptic ulcers
efficient digestion of proteins
irregular contractions of diaphragm
B.
peptic ulcers
Vagus nerve is known as pneumogastric nerve. It helps control several muscles of the throat and of the voicebox. It helps in regulating the heart rate and keeping the gastrointestinal tract in working order. It also carry sensory information from the internal organs back to the brain.
Excessive stimulation of vagus nerve in humans may lead to peptic ulcer. Vagal stimulation increases peristalsis which in excess, secretes more HCl and pepsin from stomach. These causes erosion through protective barrier of mucus and muscularis mucosa into the submucosa which leads to peptic ulcer.
Assertion: Glycerides are important nutrients for body.
Reason: Glycerides are hydrolysed into glycerol and fatty acids which are further absorbed in intestine by the formation of chylomicron.
If both assertion and reason are true and reason is the correct explanation of assertion
If both assertion and reason are true but reason is not the correct explanation of assertion
If assertion is true but reason is false
If both assertion and reason are false.
Which of the following is the character of the bile juice?
It has trypsin
It has no enzyme
It has enterogasterone
It has tripophnomide
Pancreatic duct of a healthy dog is blocked. Which of the functions of pancreas will not be affected ?
Protein digestion
Carbohydrate digestion
Neutralization of chyme
Maintenance of normal blood sugar level
The type of epithelial cells which line the inner surface of Fallopian tubes, bronchioles and small bronchi are known as
squamous epithelium
columnar epithelium
ciliated epithelium
cubical epithelium
Two of the body parts which do not appear in MRI may be
molar teeth and eye lens
scapula and canines
ligaments and ribs
tendons and premolars
Symbiotic bacteria present in intestine of most primates, which synthesize certain vitamins are
Entamoeba histolytic
Entamoeba coli
Entamoeba gingivali
None of the above
