MCQOPTIONS
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MCQOPTIONS
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 rate of urine flow influences the extent of reabsorption. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 2. |
Which of the following compounds are used as agents to determine Glomerular Filtration Rate? |
| A. | Calcium ion |
| B. | Albumin |
| C. | Creatinine |
| D. | Calcium carbonate |
| Answer» D. Calcium carbonate | |
| 3. |
What is the driving force for glomerular filtration? |
| A. | Concentration gradient |
| B. | Hydrostatic pressure of plasma |
| C. | High amount of aqueous pores |
| D. | Hydrostatic pressure of blood flow |
| Answer» E. | |
| 4. |
How is renal clearance expressed mathematically? |
| A. | Rate of urinary excretion/plasma drug concentration |
| B. | Plasma drug concentration/rate of urinary excretion |
| C. | 1/ Plasma drug concentration |
| D. | 1/rate of urinary excretion |
| Answer» B. Plasma drug concentration/rate of urinary excretion | |
| 5. |
Which of the following is not a factor influencing pulmonary excretion? |
| A. | Pulmonary blood flow |
| B. | The solubility of volatile substance |
| C. | Rate of respiration |
| D. | Heart rate |
| Answer» E. | |
| 6. |
What is the mechanism of drug excretion for biliary excretion? |
| A. | Active secretion |
| B. | Glomerular secretion |
| C. | Passive diffusion |
| D. | Passive reabsorption |
| Answer» B. Glomerular secretion | |
| 7. |
What is the mechanism of drug excretion for skin excretion? |
| A. | Active secretion |
| B. | Glomerular secretion |
| C. | Passive diffusion |
| D. | Passive reabsorption |
| Answer» D. Passive reabsorption | |
| 8. |
What is the pH of the milk secreted by human mothers? |
| A. | 6.4-7.6 |
| B. | 5.4-6.6 |
| C. | 7-8 |
| D. | 6-7 |
| Answer» B. 5.4-6.6 | |
| 9. |
Which compounds are excreted through the lungs? |
| A. | Lipophilic |
| B. | Gaseous |
| C. | Liquid and hydrophilic |
| D. | Solid less than 100 Dalton |
| Answer» C. Liquid and hydrophilic | |
| 10. |
In the following diagram which organ name should be in the place of ‘?’? |
| A. | Small intestine |
| B. | Large intestine |
| C. | Liver |
| D. | Kidney |
| Answer» B. Large intestine | |
| 11. |
For a certain drug, the bile flow rate is 0.7 ml/mm, the biliary drug concentration is 2g/ml and the plasma drug concentration is 0.8g/ml. What will be the bile clearance? |
| A. | 1.50 ml/mm |
| B. | 1.75 ml/mm |
| C. | 2.75 ml/mm |
| D. | 3 ml/mm |
| Answer» C. 2.75 ml/mm | |
| 12. |
What is the equation for biliary clearance? |
| A. | No such equation is there |
| B. | Biliary excretion rate/ plasma drug concentration |
| C. | Plasma drug concentration / biliary excretion rate |
| D. | Plasma drug concentration / Bile flow * biliary drug concentration |
| Answer» C. Plasma drug concentration / biliary excretion rate | |
| 13. |
What is the molecular weight cut off for biliary excretion? |
| A. | Less than 300 Dalton |
| B. | More than 300 Dalton |
| C. | Less than 200 Dalton |
| D. | More than 200 Dalton |
| Answer» C. Less than 200 Dalton | |
| 14. |
Compounds excreted in bile is classified into 3 categories. Which one of the following does not come under the categories? |
| A. | Drugs with bile/plasma concentration ratio approximately 1 |
| B. | Drugs with bile/plasma concentration ratio between 10-1000 |
| C. | Drugs with bile/plasma concentration ratio of less than 1 |
| D. | Drugs with bile/plasma concentration ratio above 1000 |
| Answer» E. | |
| 15. |
Which one of the following is the principal organ for drug excretion? |
| A. | Lungs |
| B. | Liver |
| C. | Kidneys |
| D. | Sweat glands |
| Answer» D. Sweat glands | |