McqMate
These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: Biomedical Engineering .
Chapters
| 201. |
Which of the following are used to free bound ions or liberate bound ions? |
| A. | Colouring agents |
| B. | Ammonia Buffer |
| C. | Reagents |
| D. | Iodine solution |
| Answer» C. Reagents | |
| Explanation: Reagents are used to free bound ions or liberate bound ions. The addition of reagent prevents unwanted ions from entering into the measurement. | |
| 202. |
In which part of the apparatus is the reference and ion selective electrodes placed? |
| A. | Head tank |
| B. | Flow cell |
| C. | Reservoir |
| D. | Solenoid valve |
| Answer» B. Flow cell | |
| Explanation: The reference and ion selective electrodes are placed in the flow cell. Sample is maintained in the constant head tank. | |
| 203. |
The output of the electrode in sodium analyser is proportional to which of the following parameters? |
| A. | Activity |
| B. | Concentration |
| C. | Negative logarithm of sodium ion concentration |
| D. | Logarithm of sodium ion concentration |
| Answer» D. Logarithm of sodium ion concentration | |
| Explanation: The output of the electrode in sodium analyser is proportional to the logarithm of sodium ion concentration. The value is recorded and indicated. | |
| 204. |
Cleaning process gives accuracy and long life. |
| A. | True |
| B. | False |
| Answer» A. True | |
| Explanation: Cleaning process gives accuracy and long life. Spray nozzles can be used to clean the electrodes. | |
| 205. |
Presence of sodium sulphate in water causes corrosion in boilers. |
| A. | True |
| B. | False |
| Answer» A. True | |
| Explanation: Presence of sodium sulphate in water causes corrosion in boilers. Sodium hydroxide and sodium chloride salts also cause corrosion. | |
| 206. |
The blood corpuscles are of kinds. |
| A. | 5 |
| B. | 4 |
| C. | 2 |
| D. | 3 |
| Answer» D. 3 | |
| Explanation: The blood corpuscles are of 3 types. They are colored corpuscles- erythrocytes, Colorless corpuscles – Leucocytes and blood platelets. | |
| 207. |
Blood is stained with stain. |
| A. | Methylene blue |
| B. | Safranin |
| C. | Leishman stain |
| D. | Carbol fuchsine |
| Answer» C. Leishman stain | |
| Explanation: Leishman stain is used in microscopy for staining blood smears. It is generally used to differentiate and identify leucocytes malaria parasites and trypanosomas. | |
| 208. |
Process of formation of blood corpuscles is called |
| A. | Haemolysis |
| B. | Haemozoin |
| C. | Haemopoesis |
| D. | Haemoter |
| Answer» C. Haemopoesis | |
| Explanation: The Process of formation of blood corpuscles is called Haemopoesis. It occurs in the bone marrow. | |
| 209. |
Graveyard of RBC is |
| A. | Spleen |
| B. | Liver |
| C. | Kidney |
| D. | Thymus |
| Answer» A. Spleen | |
| Explanation: Old red blood cells are recycled in the spleen. Platelets and white blood cells are stored there. Spleen also helps fight certain kinds of bacteria that cause pneumonia and meningitis. | |
| 210. |
Which leucocytes release heparin and histamine in blood? |
| A. | Neutrophil |
| B. | Basophil |
| C. | Eosinophil |
| D. | Monocytes |
| Answer» B. Basophil | |
| Explanation: Basophil contains heparin which is an anticoagulant. It is a type of white blood cell. | |
| 211. |
Which blood cells secrets antibody? |
| A. | Eosinophils |
| B. | Monocytes |
| C. | Lymphocytes |
| D. | Neutrophils |
| Answer» C. Lymphocytes | |
| Explanation: A Lymphocyte is a type of white blood cell that is a part of the immune system. There are 2 main types of Lymphocyte: B cells and T cells. The B cells produce antibodies that are used to attack invading bacteria, viruses and toxins. | |
| 212. |
Vitamin essential for blood clotting is |
| A. | Vitamin K |
| B. | Vitamin A |
| C. | Vitamin B |
| D. | Vitamin C |
| Answer» A. Vitamin K | |
| Explanation: Vitamin K is used by the body to help blood clot. Warfarin is used to slow blood clotting. By helping the blood clot vitamin k might decrease the effectiveness of warfarin. | |
| 213. |
Hemoglobin is a |
| A. | Reproductive pigment |
| B. | Respiratory pigment |
| C. | Carbohydrate |
| D. | Fat |
| Answer» B. Respiratory pigment | |
| Explanation: Hemoglobin is a protein in RBC that carries oxygen throughout the body. Lower Hemoglobin counts indicate anemia. | |
| 214. |
Absence of which clotting factor leads to Hemophilia-A? |
| A. | Factor VII |
| B. | Factor VIII |
| C. | Factor IX |
| D. | Factor X |
| Answer» B. Factor VIII | |
| Explanation: Hemophilia-A is also called factor VIII deficiency or classic hemophilia. It is a genetic disorder caused by missing or defective factor VIII a clotting protein. | |
| 215. |
What prevents the clotting of blood inside blood vessels? |
| A. | Heparin |
| B. | Serotonin |
| C. | Fibrinogen |
| D. | Fibrin |
| Answer» A. Heparin | |
| Explanation: Heparin is an anticoagulant that prevents the formation of blood clots. It is used to treat blood clots in veins arteries or lung. | |
| 216. |
Red cell count is carried out by |
| A. | Electrogram |
| B. | Sphygmomanometer |
| C. | Haemoglobinometer |
| D. | Haemocytometer |
| Answer» D. Haemocytometer | |
| Explanation: Haemocytometer is a device designed and used for counting blood cells. It was invented by Louis Charles Malassez. | |
| 217. |
Blood is five times more viscous than distilled water. |
| A. | True |
| B. | False |
| Answer» A. True | |
| Explanation: When hematocrit raised to 60% or 70% the blood viscosity can become as great as 5 to 6 times that of water and it flows through blood vessels is greatly retarded because of increased resistance to flow. | |
Done Studing? Take A Test.
Great job completing your study session! Now it's time to put your knowledge to the test. Challenge yourself, see how much you've learned, and identify areas for improvement. Don’t worry, this is all part of the journey to mastery. Ready for the next step? Take a quiz to solidify what you've just studied.