MCQOPTIONS
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MCQOPTIONS
This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
A patient with increased BP and decreased heart rate is likely to have - |
| A. | Increased ICT |
| B. | Brain tumor |
| C. | Head trauma |
| D. | All of the above |
| Answer» E. | |
| 2. |
A person with eyes closed and mind wandering will have the following wave in ECG - |
| A. | Alpha waves |
| B. | Beta waves |
| C. | Theta waves |
| D. | Delta waves |
| Answer» B. Beta waves | |
| 3. |
Caisson's disease is : |
| A. | amniotic fluid embolism |
| B. | tumor embolism |
| C. | Gas embolism |
| D. | fat embolism |
| Answer» D. fat embolism | |
| 4. |
Intracellular receptors are found in - |
| A. | Corticosteriods |
| B. | Androgen |
| C. | Thyroxine |
| D. | All of the above |
| Answer» E. | |
| 5. |
Which of the following is true about IgG antibody ? |
| A. | Produced in primary immune response |
| B. | Can not cross placenta |
| C. | Provides local protection |
| D. | Produced in secondary immune response |
| Answer» E. | |
| 6. |
Ketone bodies are produced in the |
| A. | Live |
| B. | Kidney |
| C. | Muscle |
| D. | GIT |
| Answer» B. Kidney | |
| 7. |
Mineralocorticoid receptors are present in all of the following sites, except |
| A. | Colon |
| B. | Liver |
| C. | Hippocampus |
| D. | Kidney |
| Answer» C. Hippocampus | |
| 8. |
After ovulation the cervical mucus thickens and lessens in quantity under the influence of - |
| A. | Progesterone |
| B. | Oestrogen |
| C. | LH |
| D. | HCG |
| Answer» B. Oestrogen | |
| 9. |
Positive feed back is seen in A/E: |
| A. | LH Surge |
| B. | Entry of Ca into sarcoplasmic reticulum |
| C. | Stimulation of gastric secretion of histamine and gastrin |
| D. | Thrombolytic activity in coagulation cascade |
| Answer» D. Thrombolytic activity in coagulation cascade | |
| 10. |
Which of the following is produced by stomach and has a role in control of food intake? |
| A. | Orexin |
| B. | Cholecystokinin |
| C. | Ghrelin |
| D. | Insulin like growth hormone-I |
| Answer» D. Insulin like growth hormone-I | |
| 11. |
Maximum absorption of bile occurs at - |
| A. | Duodenum |
| B. | Jejunum |
| C. | Colon |
| D. | Ileum |
| Answer» E. | |
| 12. |
True about cardiac O2 demand is - |
| A. | Inversely proportional to cardiac work |
| B. | Has a constant relation to the external work done by the heart |
| C. | Directly proportional to mean arterial pressure |
| D. | Inversely proportional to heart rate |
| Answer» D. Inversely proportional to heart rate | |
| 13. |
Most abundant extracellular buffer is ? |
| A. | Hemoglobin |
| B. | Plasma proteins |
| C. | Bicarbonate |
| D. | Phosphate |
| Answer» D. Phosphate | |
| 14. |
Ionophores have following action except - |
| A. | Inhibit ADP to ATP conversion |
| B. | Abolish proton gradient |
| C. | Abolish pH gradient |
| D. | Hydrophilic in character |
| Answer» E. | |
| 15. |
Apnoea is defined as - |
| A. | Cessation of respiration |
| B. | Stoppage of heart beat |
| C. | RR |
| D. | Irregular respiration |
| Answer» B. Stoppage of heart beat | |
| 16. |
In normal adult Vd/Vt ratio is - |
| A. | 0.35 |
| B. | 20 |
| C. | 50 |
| D. | 40 |
| Answer» B. 20 | |
| 17. |
Which of the following does NOT from a filtration barrier in nephrons |
| A. | Podocytes |
| B. | Mesangium |
| C. | Endothelial cell |
| D. | Basement membrane |
| Answer» C. Endothelial cell | |
| 18. |
Calcium enters the cardiac cell during |
| A. | Rapid upstroke of the action potential |
| B. | Down slope of the action potential |
| C. | Plateau phase of the action potential |
| D. | Slow diastolic depolarization (phase 4) of the action potential |
| Answer» D. Slow diastolic depolarization (phase 4) of the action potential | |
| 19. |
The total volume of CSF is - |
| A. | 10 ml |
| B. | 50 ml |
| C. | 275 ml |
| D. | 150 ml |
| Answer» E. | |
| 20. |
Protein synthesis occurs in - |
| A. | Golgi bodies |
| B. | Smooth ER |
| C. | Lysosomes |
| D. | Rough ER |
| Answer» E. | |
| 21. |
ANF is mediated by(ANF: Atrial natriuretic factor) - |
| A. | CyAMP |
| B. | CyGMP |
| C. | Inositol phosphate |
| D. | DAG |
| Answer» C. Inositol phosphate | |
| 22. |
'Flare' in Triple response is mediated by: |
| A. | Histamine release |
| B. | Local hormones |
| C. | Axone reflex |
| D. | Arteriolar dilation |
| Answer» D. Arteriolar dilation | |
| 23. |
In muscle contraction all are true except - |
| A. | H zone disappears |
| B. | A bond remains unchanged |
| C. | Two Z lines come closer |
| D. | I band become Wider |
| Answer» E. | |
| 24. |
In which type of nerve fibres is conduction blocked maximally by pressure - |
| A. | Ab |
| B. | Aa |
| C. | C |
| D. | Ag |
| Answer» B. Aa | |
| 25. |
What is not true for extrasystole in ventricle - |
| A. | Hints at serious heart ailment |
| B. | Falls to produce radial pulse |
| C. | Tendency to be followed by a compensantory pause |
| D. | Associated with abnormal QRS complex |
| Answer» B. Falls to produce radial pulse | |
| 26. |
Venous return of heart during quiet standing is facilitated by all of the following factors, except |
| A. | Sleeves of deep fascia |
| B. | Gravitational increase in arterial pressure |
| C. | Calf muscle contraction during standing |
| D. | Valves in perforators |
| Answer» C. Calf muscle contraction during standing | |
| 27. |
In which of the following a reduction in arterial oxygen tension occurs? |
| A. | Moderate exercise. |
| B. | Hypoventilation. |
| C. | Anaemia. |
| D. | CO poisoning. |
| Answer» C. Anaemia. | |
| 28. |
Heart muscle contractions are ? |
| A. | Isotonic |
| B. | Isometric |
| C. | Both Isotonic and Isometric |
| D. | Isokinetic |
| Answer» D. Isokinetic | |
| 29. |
A lesion of ventrolateral part of spinal cord will lead to loss(below the level of lesion)of: |
| A. | Proprioception on the contralateral side |
| B. | Pain semsation on the ipsilateral side |
| C. | Proprioception on the ipsilateral side |
| D. | Pain sensation on the contralateral side |
| Answer» E. | |
| 30. |
Ovulation is associated with sudden rise in - |
| A. | Testosterone |
| B. | Prolactin |
| C. | Oxytocin |
| D. | LH |
| Answer» E. | |
| 31. |
Several hormones regulate the tubular reabsorption of water and electrolytes at different sites in the nephron.Which of the following combination is correct? |
| A. | Angiotensin in distal tubule |
| B. | Aldosterone in collecting ducts |
| C. | ADH in proximal tubule |
| D. | ANP in loop of Henle |
| Answer» C. ADH in proximal tubule | |
| 32. |
Acclimatization does NOT include - |
| A. | Hyperventilation |
| B. | Decreased concentration of 2,3 DGP in RBC |
| C. | Increased erythropoiesis |
| D. | Kidney excrete more alkali |
| Answer» C. Increased erythropoiesis | |
| 33. |
Clathrin is used in - |
| A. | Cell to cell adhesion |
| B. | Plasma membrane |
| C. | Receptor mediated endocytosis |
| D. | Exocytosis |
| Answer» D. Exocytosis | |
| 34. |
Gastric secretion is - |
| A. | Stimulated by nor adrenaline |
| B. | Inhibited by curare |
| C. | Stimulated by an increase in tonic activity |
| D. | Increased by stomach distention |
| Answer» E. | |
| 35. |
Which of the following is an effect of acetylcholine ? |
| A. | Relaxes LES |
| B. | Contracts LES |
| C. | Constricts the blood vessels |
| D. | Relaxes the bronchial muscles |
| Answer» B. Contracts LES | |
| 36. |
Factors responsible for causing diarrhoea after vagotomy are A/E - |
| A. | Irregular peristalsis |
| B. | None |
| C. | Rapid gastric emptying |
| D. | Hypoacidity in duodenum |
| Answer» C. Rapid gastric emptying | |
| 37. |
Two students,Vineet and Kamlesh were asked to demonstrate in dogs the role of sinus nerve in hypovolemic shock.Vineet severed the sinus nerve when the mean blood pressure (MBP) was 85 mm Hg and Kamlesh cut the sinus nerve when the mean blood pres |
| A. | Vineet recorded a decrease in MBP but Kamlesh recorded an increase in MBP |
| B. | Vineet recorded the increase in MBP but Kamlesh recorded a decrease in MBP |
| C. | Both recorded a decrease in MBP |
| D. | Both recorded an increase in MBP |
| Answer» E. | |
| 38. |
Secondary messengers include - |
| A. | cAPM |
| B. | IP3 |
| C. | Diacylglycerol |
| D. | All of the above |
| Answer» E. | |
| 39. |
The high sodium content of the filtrate in renal medulla is because - |
| A. | Increased excretion of Na+ from PCT |
| B. | Increased absorption of Na+ from PCT |
| C. | At the top Henle, there is counter current mechanism |
| D. | Increased blood flow to vasarecta |
| Answer» D. Increased blood flow to vasarecta | |
| 40. |
Fat in the duodenum lumen : |
| A. | Inhibits CCK secretion |
| B. | Releases Secretin |
| C. | Stimulates gall bladder contraction |
| D. | Inhibits gall bladder contraction |
| Answer» D. Inhibits gall bladder contraction | |
| 41. |
The supra-optic nucleus of the hypothalamus is believed to control secretion of which of the following hormones ? |
| A. | Serotonin |
| B. | Oxytocin |
| C. | Growth hormone |
| D. | Anrenocorticotrophic hormone |
| Answer» C. Growth hormone | |
| 42. |
Parathyroid hormone secretion mainly depends on |
| A. | Serum calcium |
| B. | Serum phosphate |
| C. | 1.25 dihydroxycholecalciferol |
| D. | Serum calcitonin |
| Answer» B. Serum phosphate | |
| 43. |
Which of the following exerts maximum effect on parathyroid hormone secretion? |
| A. | Calcitonin |
| B. | Plasma calcium |
| C. | Plasma phosphate |
| D. | 1,25-dihydroxycholecalciferol |
| Answer» C. Plasma phosphate | |
| 44. |
Low CSF protein may be seen in all of the following conditions,Except: |
| A. | Hypothyroidism |
| B. | Recurrent Lumbar Puncture |
| C. | Infants |
| D. | Pseudotumor cerebri |
| Answer» B. Recurrent Lumbar Puncture | |
| 45. |
Which of the followings anticoagulants prevent clotting of blood in the normal vascular system? |
| A. | Fibrinogen |
| B. | Heparin |
| C. | Antithrombin III |
| D. | Plasminogen |
| Answer» D. Plasminogen | |
| 46. |
Which of the following reduces gastric secretions ? |
| A. | Secretin |
| B. | Peptides |
| C. | Vagal discharge |
| D. | Epinephrine |
| Answer» B. Peptides | |
| 47. |
The principal site of absorption of Sodium is: |
| A. | Loop of Henle (thick portion) |
| B. | Collecting duct |
| C. | Proximal convoluted tubule |
| D. | Distal convoluted tubule |
| Answer» D. Distal convoluted tubule | |
| 48. |
Somatomedin mediates |
| A. | Gluconeogenesis |
| B. | Decreased rate of glucose uptake bu cells |
| C. | Deposition of chondroitin sulfate |
| D. | Lipolysis |
| Answer» D. Lipolysis | |
| 49. |
Sweating a result of exertion is mediated through - |
| A. | Sympathetic cholinergic |
| B. | Adrenal hormones |
| C. | parasympathetic cholinergic |
| D. | Sympathetic adrenergic |
| Answer» B. Adrenal hormones | |
| 50. |
Increase in ineracranial pressure is NOT associated with - |
| A. | Tachycardia |
| B. | Deterioration consciousness |
| C. | Increase in BP |
| D. | Respiratory depression |
| Answer» B. Deterioration consciousness | |