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Digestive System (Medical Entrance)

Anatomy and physiology of the human digestive system, including gastrointestinal structures, digestive enzymes, motility, salivary glands, and comparative digestion across species

15 Questions Published
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Questions

Question 1 Multiple Choice (Single Answer)

Which of the following compounds provides the optimum conditions of pH for amylase activity?

  1. Carbonic acid
  2. Calcium bicarbonate
  3. Hydrogen carbonate
  4. Cesium bicarbonate
Question 2 Multiple Choice (Single Answer)

Which of the following phenomena is not preceded by a wave of inhibition?

  1. Peristalsis
  2. Catastalasis
  3. Aperistalasis
  4. Gastrocolic reflex
Question 3 Multiple Choice (Single Answer)

Which protein is known as 'housekeeper of gut'?

  1. Ghrelin
  2. Motilin
  3. Pepsin
  4. Amylase
Question 4 Multiple Choice (Single Answer)

Where does the mixing of chyme and digestive enzymes from pancreas take place?

  1. Stomach
  2. Duodenum
  3. Jejunum
  4. Ilium
Question 5 Multiple Choice (Single Answer)

After the initiation of the digestive process, chyme is produced in the stomach of humans after

  1. 4-6 hours
  2. 3-4 hours
  3. 1-2 hours
  4. no time interval
Question 6 Multiple Choice (Single Answer)

Which part of pylorus marks the opening to duodenum?

  1. Pyloric orifice
  2. Pyloric antrum
  3. Pyloric canal
  4. Pyloric sphincter
Question 7 Multiple Choice (Single Answer)

Which of the following organisms relies completely on external digestion?

  1. Amoeba
  2. Fungus
  3. Spider
  4. Venus fly trap
Question 8 Multiple Choice (Single Answer)

In which structure do birds store food prior to digestion?

  1. Crop
  2. Beak
  3. Proventriculus
  4. Gizzard
Question 9 Multiple Choice (Single Answer)

Which of the following baby animals feeds in the faeces of its mother?

  1. Capybara
  2. Shark
  3. Hamster
  4. Koala bear
Question 10 Multiple Choice (Single Answer)

Where does the acid hydrolysis of dietary proteins take place in ruminants?

  1. Reticulum
  2. Omasum
  3. Abomasum
  4. Rumen
Question 11 Multiple Choice (Single Answer)

Which structure divides the tongue into anterior and posterior parts?

  1. Lingual septum
  2. Terminal sulcus
  3. Glossopalatine arch
  4. Pharyngeal arch
Question 12 Multiple Choice (Single Answer)

Which of the following organisms is both heterodont and diphyodont?

  1. Snake
  2. Human
  3. Elephant
  4. Crocodile
Question 13 Multiple Choice (Single Answer)

Which is the largest salivary gland?

  1. Sub mandibular
  2. Sub lingual
  3. Parotid
  4. Von Ebner gland
Question 14 Multiple Choice (Single Answer)

Which type of contractions involves the circular muscles in the digestive tract?

  1. Peristalsis
  2. Gastrocolic reflex
  3. Borborgymus
  4. Segmentation
Question 15 Multiple Choice (Single Answer)

Which of the following abbreviations stands for the waves of electrical activity that sweep through the intestine in a regular cycle of fasting?

  1. BMI
  2. MMC
  3. EGD
  4. MMR
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