Multiple Choice QuestionsAssertion : Small intestine is the principal organ for absorption of nutrients.
Reason : Absorption of water, simple sugars and alcohol etc. takes place in small intestine.
If both assertion and reason are true and reason is the correct explanation of assertion.
If both assertion and reason are hue but reason is not the correct explanation of assertion.
If assertion is true but reason is false.
If both assertion and reason are false.
Assertion : Duodenum is the main organ of small intestine.
Reason : In duodenum, digestion and absorption mainly occurs.
If both assertion and reason are true and reason is the correct explanation of assertion.
If both assertion and reason are hue but reason is not the correct explanation of assertion.
If assertion is true but reason is false.
If both assertion and reason are false.
Assertion : Bile is essential for the digestion of lipids.
Reason : Bile juice contains enzymes bilirubin and biliverdin.
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 the assertion
If assertion is true but reason is false
If both assertion and reason are false.
Duodenum has characteristic Brunner's gland which secretes two hormones called
prolactin, parathormone
secretin, cholecystokinin
enterocrinin, duocrinin
gastrin, enterogastrone
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.
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
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.
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