Physiology MCQs

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1. What is the normal pH of blood in most domestic animals?





2. Which organ is primarily responsible for detoxification in animals?





3. Which hormone regulates blood calcium levels by increasing calcium absorption?





4. The pacemaker of the heart is:





5. Which type of muscle is under voluntary control?





6. Hemoglobin primarily binds with:





7. What is the primary function of the nephron?





8. Which hormone is secreted by the pancreas to lower blood glucose?





9. Which vitamin is essential for normal blood clotting?





10. The normal body temperature of cattle is approximately:





11. The functional unit of the liver is called:





12. Which electrolyte is most abundant in intracellular fluid?





13. The hormone responsible for milk letdown is:





14. The primary site of gas exchange in the lungs is:





15. What is the main pacemaker potential property of SA node cells?





16. Which hormone is known as the “fight or flight” hormone?





17. The Bohr effect is related to:





18. The functional unit of the nervous system is:





19. The refractory period in muscle physiology prevents:





20. Which hormone stimulates red blood cell production?





21. The largest volume of water in the body is found in:





22. The normal heart rate of a resting adult horse is:





23. The function of surfactant in the lungs is to:





24. Which ion is essential for muscle contraction?





25. The major site for nutrient absorption is:





26. The normal gestation period of a cow is approximately:





27. Which part of the brain regulates body temperature?





28. Which hormone maintains pregnancy in mammals?





29. The main buffer system in blood is:





30. Which structure prevents food from entering the trachea during swallowing?





31. The normal heart rate of cattle is:





32. Which organ produces bile?





33. The resting membrane potential of most animal cells is about:





34. What is the primary respiratory gas that stimulates breathing?





35. The normal respiratory rate of a resting adult sheep is:





36. Which enzyme initiates protein digestion in the stomach?





37. The hormone responsible for water reabsorption in kidneys is:





38. Which part of the brain controls balance and coordination?





39. The primary pacemaker current in the heart is carried by:





40. Which blood component is responsible for immunity?





41. The functional unit of skeletal muscle is:





42. Which vitamin is essential for calcium absorption?





43. Which heart sound is produced by closure of the AV valves?





44. The normal blood pressure of a dog is approximately:





45. Which hormone stimulates milk production?





46. The primary energy currency of the cell is:





47. Which type of respiration occurs in the absence of oxygen?





48. The primary pacemaker of the gastrointestinal tract is:





49. Which hormone is secreted in response to low blood pressure?





50. The normal respiratory rate of cattle is:





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  2. Histology MCQs

  3. Physiology MCQs

  4. Biochemistry MCQs

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