Which layer in the wall of the gastrointestinal tract has an inner circular and outer longitudinal layer?

1. lamina propria	2. muscularis mucosa
3. submucosa	4. muscularis

Most of the parasympathetic supply to the alimentary canal is by:
1. vagus nerve
2. thoracic spinal nerves
3. lumbar spinal nerves
4. sacral spinal nerves

What prevents GER [gastro esophageal reflux]?
1. lower esophageal sphincter
2. sphincter of Oddi
3. esophageal hiatus
4. glottis

A column-shaped cell found in the respiratory and intestinal tracts, which secretes the main component of mucus, is the:

Perhaps the only function of stomach that appears to be essential for life is the:
1. bactericidal action of HCl
2. digestion of proteins
3. absorption of drugs like acetyl salicylic acid
4. secretion of intrinsic factor

The part of the small intestine that has maximum length is the:
1. duodenum
2. jejunum
3. ileum
4. colon

The term brush border refers to:

Identify a brush border enzyme amongst the following:
1. rennin
2. lactase
3. trypsin
4. pancreatic amylase

The characteristic color of urine and feces is due to:
1. urobilinogen
2. free bilirubin
3. conjugated bilirubin
4. bile salts

A metabolic pathway that results in the generation of glucose from non-carbohydrate carbon substrates such as lactate, glycerol, and glucogenic amino acids is called as:
1. glycogenesis
2. glycogenolysis
3. gluconeogenesis
4. lipogenesis