MCQOPTIONS
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MCQOPTIONS
This section includes 491 Mcqs, each offering curated multiple-choice questions to sharpen your Medical Subjects knowledge and support exam preparation. Choose a topic below to get started.
| 51. |
What is true about pneumothorax ? |
| A. | Total chest wall diameter is increased |
| B. | Interpleural pressure becomes more negative |
| C. | The concentration of surfactant is reduced in alveoli |
| D. | Increased lung compliance |
| Answer» B. Interpleural pressure becomes more negative | |
| 52. |
What is the normal PH of human blood_____________? |
| A. | 7.0 |
| B. | 7.2 |
| C. | 7.35 to 7.4 |
| D. | 7.6 |
| Answer» D. 7.6 | |
| 53. |
What is the glomerular filtration rate ? |
| A. | 100 ml/min |
| B. | 125 ml/min |
| C. | 150 ml/min |
| D. | 175 ml/min |
| Answer» C. 150 ml/min | |
| 54. |
What is common between systemic and pulmonary circulation is_____________? |
| A. | Volume of the circulation per minute |
| B. | Peripheral vascular resistance |
| C. | Pulse Pressure |
| D. | Total Capacity |
| Answer» B. Peripheral vascular resistance | |
| 55. |
What effect does hyperventilation have on the oxygen binding affinity of hemoglobin ? |
| A. | P50 and oxygen affinity decrease |
| B. | P 50 and oxygen affinity increase |
| C. | P 50 decreases and the oxygen affinity increases |
| D. | P50 increase and the oxygen affinity decreases |
| Answer» C. P 50 decreases and the oxygen affinity increases | |
| 56. |
Wallenberg degeneration is seen in______________? |
| A. | Proximal cut end of nerve with cell body |
| B. | Distal cut end of nerve without cell body |
| C. | Both the free ends of the cut nerve |
| D. | All are true |
| Answer» C. Both the free ends of the cut nerve | |
| 57. |
Voluntary movement of eye ball is controlled by______________? |
| A. | Superior colliculus |
| B. | Frontal eye field |
| C. | Cerebellum |
| D. | Visual cortex area |
| Answer» D. Visual cortex area | |
| 58. |
Vital capacity is decreased, timed vital capacity (FEV 1.0 %) is normal in______________? |
| A. | Bronchial asthma |
| B. | Scoliosis |
| C. | Chronic bronchitis |
| D. | Acute bronchitis |
| Answer» C. Chronic bronchitis | |
| 59. |
Vital capacity is a measure of________________? |
| A. | Tidal volume |
| B. | Inspiratory reserve volume plus expiratory volume |
| C. | Tidal volume plus inspiratory reserve volume plus expiratory reserve volume |
| D. | Expiratory reserve volume plus reserve volume |
| Answer» D. Expiratory reserve volume plus reserve volume | |
| 60. |
Ventilation perfusion ratio is maximum in_______________? |
| A. | Base of lung |
| B. | Apex of lung |
| C. | Posterior lobe of lung |
| D. | Middle lobe of lung |
| Answer» C. Posterior lobe of lung | |
| 61. |
Ventricular muscle receives impulses directly from the_______________? |
| A. | Purkinje system |
| B. | Bundle of HIS |
| C. | Right and left bundle branches |
| D. | AV node |
| Answer» B. Bundle of HIS | |
| 62. |
Vasopressin is synthesized in the_____________? |
| A. | Anterior pituitary |
| B. | Hypothalamus |
| C. | Juxtaglomerular apparatus |
| D. | Vasomotor center |
| Answer» C. Juxtaglomerular apparatus | |
| 63. |
Valve of Hasner is present at________________? |
| A. | Stensons duct |
| B. | common bile duct |
| C. | Naso lacrimal duct |
| D. | maxillary Sinus |
| Answer» D. maxillary Sinus | |
| 64. |
Vagal stimulation following intake of food does not affect secretion of_______________? |
| A. | Stomach |
| B. | Pancrease |
| C. | Parotid |
| D. | Gall bladder |
| Answer» D. Gall bladder | |
| 65. |
Urine urobilinogen is absent in_______________? |
| A. | Obstructive jaundice |
| B. | Viral hepatitis |
| C. | Hemolytic jaundice |
| D. | All of the above |
| Answer» B. Viral hepatitis | |
| 66. |
Upstroke of action potential would lead to________________? |
| A. | Net current in an outward direction |
| B. | Cell interior becomes more negative |
| C. | Cell interior becomes less negative |
| D. | None of the above |
| Answer» D. None of the above | |
| 67. |
Unmyelinated fibres differ from myelinated fibers in that they ______________? |
| A. | Have increased excitability |
| B. | Have to nodes of Ranvier |
| C. | Have no power of regeneration |
| D. | Have no association of Schwann cells |
| Answer» C. Have no power of regeneration | |
| 68. |
Universal blood donor ill be a blood group of_______________? |
| A. | Positive |
| B. | Negative |
| C. | AB positive |
| D. | AB negative |
| Answer» C. AB positive | |
| 69. |
Under resting condition the cardiac output is _______ L/ min ? |
| A. | 2.5 |
| B. | 4.25 |
| C. | 5.25 |
| D. | 9.5 |
| Answer» D. 9.5 | |
| 70. |
Two substances that can probably be used to determine filtration fraction are_______________? |
| A. | Inulin and mannitol |
| B. | Urea and diodrast |
| C. | PAH and Phenol red |
| D. | Inulin and PAH |
| Answer» E. | |
| 71. |
Two major types of muscle fibres are found in humans_____________? |
| A. | white and brown |
| B. | White and yellow |
| C. | White and gray |
| D. | White and red |
| Answer» E. | |
| 72. |
Tubuloglomerular feedback occurs in______________? |
| A. | ADH secretion in collecting duct |
| B. | Constant solute load on distal tubule |
| C. | Macula densa |
| D. | Balance between ascending and descending loop of henle |
| Answer» C. Macula densa | |
| 73. |
Tubular maximum for glucose is_____________? |
| A. | 180 mg/dl |
| B. | 325 mg/dl |
| C. | 375 mg/dl |
| D. | 375 mg/dl |
| Answer» D. 375 mg/dl | |
| 74. |
Trypsin is an activator of all of the following enzymes EXCEPT_______________? |
| A. | Chymotrypsinogen |
| B. | Pepsinogen |
| C. | Proelastase |
| D. | Procolipase |
| Answer» C. Proelastase | |
| 75. |
True statement regarding hematopoiesis includes______________? |
| A. | Spleen plays a major role in adults (in lymphopoiesis ) |
| B. | Committed stem cells differentiates into only one cell type |
| C. | RES plays a role |
| D. | None |
| Answer» D. None | |
| 76. |
True about nephron is_____________? |
| A. | Na is absorbed actively in descending loop of Henle |
| B. | 60 to 70% of GFR is absorbed in proximal tubule |
| C. | Absorption of water occurs in ascending loop of Henle |
| D. | The filtrate reaching distal convoluted tubule is hypertonic with respect to surroundings |
| Answer» C. Absorption of water occurs in ascending loop of Henle | |
| 77. |
Trousseau’s sign and chovstek’s sings are positive in___________? |
| A. | Hyperparathyroidism |
| B. | Hypothyroidism |
| C. | Hypoparathyroidism |
| D. | Hyperthyroidism |
| Answer» D. Hyperthyroidism | |
| 78. |
Tremors are seen in disorder of_________________? |
| A. | Basal ganglia |
| B. | Pain pathway |
| C. | Pyramidal tract |
| D. | Parathyroid gland |
| Answer» B. Pain pathway | |
| 79. |
To preserve blood for transfusion later______________? |
| A. | Dilute with equal volume of 0.9% saline |
| B. | Add solution of sodium citrate |
| C. | Add solution of calcium chloride |
| D. | Add fibrinogen |
| Answer» C. Add solution of calcium chloride | |
| 80. |
To measure renal plasma clearance compound should be_________________? |
| A. | <70,000 Mol.wt |
| B. | Bound to plasma protein |
| C. | Secreted by the tubules |
| D. | Completely filtered by glomerulus |
| Answer» E. | |
| 81. |
To check objective pain response, which is best used method_______________? |
| A. | Facial pain scale |
| B. | Knee jerk reflex |
| C. | H- Reflex |
| D. | R III Reflex |
| Answer» B. Knee jerk reflex | |
| 82. |
Tissues with least regenerative potential is________________? |
| A. | Nerve |
| B. | Skin |
| C. | Cardiac muscle |
| D. | None of the above |
| Answer» B. Skin | |
| 83. |
tidal volume in adult is_____________? |
| A. | 125 ml |
| B. | 500 ml |
| C. | 1500 ml |
| D. | 2200 ml |
| Answer» C. 1500 ml | |
| 84. |
Thyroxine causes all the following except______________? |
| A. | Decreased cell metabolism |
| B. | Increased oxygen consumption |
| C. | Increased pulmonary ventilation |
| D. | Increased basal metabolism |
| Answer» B. Increased oxygen consumption | |
| 85. |
Thromboxane is produced mainly by _______________? |
| A. | Liver |
| B. | Platelets |
| C. | Damaged tissue |
| D. | Vascular endothelium |
| Answer» C. Damaged tissue | |
| 86. |
Thrombopoietin is produced by_________________? |
| A. | Monocytes |
| B. | Liver |
| C. | Megakaryocyte |
| D. | Megakaryoblast |
| Answer» C. Megakaryocyte | |
| 87. |
There absorption of sodium chloride in kidneys is controlled by the hormones____________? |
| A. | Adrenaline |
| B. | Aldosterone |
| C. | A.D.H. and vasopressin |
| D. | All of the above |
| Answer» C. A.D.H. and vasopressin | |
| 88. |
The work of breathing__________________? |
| A. | is inversely related to lung compliance |
| B. | remains constant during exercise |
| C. | is not affected by respiratory |
| D. | decreased in lying posture |
| Answer» B. remains constant during exercise | |
| 89. |
The volume of gas in the lungs at the end of normal expiration is____________? |
| A. | Expiratory reserve volume |
| B. | Functional residual capacity |
| C. | Residual volume |
| D. | Inspiratory reserve volume |
| Answer» C. Residual volume | |
| 90. |
The velocity of conduction in the Purkinjie fibers of the heart is__________________? |
| A. | 1 to 4 m/sec |
| B. | 5 to 8 m/sec |
| C. | 9 to 12 m/sec |
| D. | More than 12 m/sec |
| Answer» B. 5 to 8 m/sec | |
| 91. |
The ventricular repolarization in ECG is best seen in_______________? |
| A. | “P” wave |
| B. | “Q” wave |
| C. | “R” wave |
| D. | “T” wave |
| Answer» E. | |
| 92. |
The universal blood recipient group is_________________? |
| A. | O- Ve |
| B. | O+ Ve |
| C. | AB- Ve |
| D. | AB+ Ve |
| Answer» E. | |
| 93. |
The type of hypoxia present in high attitude is_____________? |
| A. | Anemic Hypoxia |
| B. | Hypoxic Hypoxia |
| C. | Stagnant Hypoxia |
| D. | Histotoxic Hypoxia |
| Answer» C. Stagnant Hypoxia | |
| 94. |
The transport of CO is diffusion limited because_______________? |
| A. | Bind avidly with Hb |
| B. | Partial pressure of CO is less |
| C. | CO is less absorbed in water |
| D. | Alveolar membrane is less permeable |
| Answer» B. Partial pressure of CO is less | |
| 95. |
The tissue macrophages are derived from the________________? |
| A. | Neutrophil |
| B. | Eosinophil |
| C. | Monocyte |
| D. | All of the above |
| Answer» D. All of the above | |
| 96. |
The term ‘myopia’ refers to ______________? |
| A. | Near sightedness |
| B. | Far sightedness |
| C. | Constriction of the pupil |
| D. | Dilation of the pupil |
| Answer» B. Far sightedness | |
| 97. |
The temperature of body is controlled by_______________? |
| A. | Medulla |
| B. | Precentral gyrus |
| C. | Diencephalon |
| D. | Hypothalamus |
| Answer» E. | |
| 98. |
The supraoptic nucleus of the hypothalamus is believed to control secretion of which of the following hormones ? |
| A. | Antidiuretic hormone |
| B. | Oxytocin |
| C. | Growth hormone |
| D. | Adreno corticotrophic hormone |
| Answer» B. Oxytocin | |
| 99. |
The study of the electrical activity of the muscle is_______________? |
| A. | EEG |
| B. | EMG |
| C. | Venn diagram |
| D. | ECG |
| Answer» C. Venn diagram | |
| 100. |
The skeletal muscle action potential______________? |
| A. | Is not essential for contraction to occur |
| B. | Has a prolonged plateau phase? |
| C. | Spreads in ward to all parts of the muscle via the t- tubule system |
| D. | Begins with an, in ward movement of K+ ins |
| Answer» D. Begins with an, in ward movement of K+ ins | |