 
			 
			MCQOPTIONS
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				This section includes 15 Mcqs, each offering curated multiple-choice questions to sharpen your Biotechnology knowledge and support exam preparation. Choose a topic below to get started.
| 1. | The passage from the stomach to the small intestine is called gastric emptying. | 
| A. | True | 
| B. | False | 
| Answer» B. False | |
| 2. | In infants, the gastric pH is quite low. | 
| A. | True | 
| B. | False | 
| Answer» C. | |
| 3. | The liver is the major site of drug metabolism. | 
| A. | True | 
| B. | False | 
| Answer» B. False | |
| 4. | What is the main role of the large intestine? | 
| A. | Absorption of water and electrolytes | 
| B. | Absorption of minerals | 
| C. | Absorption of glucose | 
| D. | Absorption of only water | 
| Answer» B. Absorption of minerals | |
| 5. | Up to how much the microvilli in the small intestine increases the relative surface area of the small intestine? | 
| A. | 3 times | 
| B. | 30 times | 
| C. | 100 times | 
| D. | 600 times | 
| Answer» E. | |
| 6. | How can we study the gastric emptying of a given drug? | 
| A. | By mixing the colour with the drug | 
| B. | Waiting for the subject man to throw-up | 
| C. | Tagging the drug with a radioisotope and scanning the stomach | 
| D. | Waiting for the patient to pass feces | 
| Answer» D. Waiting for the patient to pass feces | |
| 7. | What is the gastric emptying rate? | 
| A. | The time required for the gastric contents to empty into the small intestine | 
| B. | Time is taken for half of the contents in the stomach to empty | 
| C. | The speed at which the stomach contents empty into the intestine | 
| D. | There is no such term | 
| Answer» D. There is no such term | |
| 8. | How can we increase the time of gastric emptying? | 
| A. | By drinking a lot of water | 
| B. | By taking a drug in empty stomach | 
| C. | By taking the drug after food | 
| D. | Cannot increase the time of gastric emptying at all | 
| Answer» D. Cannot increase the time of gastric emptying at all | |
| 9. | Which one of the following is not a characteristic for the small intestine? | 
| A. | Peristaltic movement | 
| B. | Long transit time | 
| C. | High permeability | 
| D. | PH 4-9 | 
| Answer» E. | |
| 10. | Which of the following sentences will be the actual definition of folds of Kerckring? | 
| A. | Folds of the intestinal mucosa | 
| B. | Finger-like projections whose other name is villi | 
| C. | Protruding surface from the villi | 
| D. | Cilia over the surface of villi | 
| Answer» B. Finger-like projections whose other name is villi | |
| 11. | From the surface of villi protrude smaller projection known as __________ | 
| A. | Microvilli | 
| B. | Villus | 
| C. | Fingers | 
| D. | Cilia | 
| Answer» B. Villus | |
| 12. | Which drugs gets mostly absorbed from the mouth? | 
| A. | Acidic drugs and lipophilic drugs | 
| B. | Lipophilic drugs and neutral drugs | 
| C. | Neutral drugs and lipophilic drugs | 
| D. | Lipophilic, neutral, basic drugs | 
| Answer» E. | |
| 13. | Which drugs get absorbed in the stomach mostly? | 
| A. | Basic drugs | 
| B. | Acidic Drugs | 
| C. | Neutral drugs | 
| D. | No drug gets absorbed in the stomach | 
| Answer» C. Neutral drugs | |
| 14. | The entire length of the GI is lined by ___________ | 
| A. | Blood vessels | 
| B. | Nerves | 
| C. | Mucopolysaccharides | 
| D. | No lining direct contact with the cell | 
| Answer» D. No lining direct contact with the cell | |
| 15. | What is the mean length of GIT? | 
| A. | 350 cm | 
| B. | 200cm | 
| C. | 400cm | 
| D. | 450cm | 
| Answer» E. | |