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.
| 301. |
In myasthenia gravis_______________? |
| A. | there is lack of acetyl choline |
| B. | Lack of acetyl choline receptors |
| C. | There is isometric contraction |
| D. | Muscles are rigid and tough |
| Answer» C. There is isometric contraction | |
| 302. |
In jaundice, there is an unconjugated hyperbilirubinemia which is most likely due to __________? |
| A. | Hepatitis |
| B. | Cirrhosis |
| C. | Obstruction of bile canaliculi |
| D. | Increased break down of red cells |
| Answer» E. | |
| 303. |
In human the Hb is_______________? |
| A. | HbH |
| B. | HbA |
| C. | HbM |
| D. | HbS |
| Answer» C. HbM | |
| 304. |
In Haldane effect CO2 dissociation curve is shifted to_____________? |
| A. | Left |
| B. | Right |
| C. | Does not shift |
| D. | None of the above |
| Answer» C. Does not shift | |
| 305. |
In excitable cells, repolarization is closely associated with, one of the following events_______________? |
| A. | Na effux |
| B. | Na influx |
| C. | K efflux |
| D. | K influx |
| Answer» D. K influx | |
| 306. |
In determining blood pressure by auscultatory method_____________? |
| A. | The loudest sound is the diastolic pressure |
| B. | Systolic pressure estimation tends to be lower than those make by palpatory method |
| C. | The first sound heard is the systolic pressure |
| D. | The sounds that are heard are generated in heart |
| Answer» D. The sounds that are heard are generated in heart | |
| 307. |
In conn’s disease, there is an excess of______________? |
| A. | Adrenaline |
| B. | Aldosterone |
| C. | Cortisol |
| D. | Noradrenaline |
| Answer» C. Cortisol | |
| 308. |
In CNS, the myelination is carried out by _____________? |
| A. | Schwann cells |
| B. | Astrocytes |
| C. | Oligodendrocytes |
| D. | Microglia |
| Answer» D. Microglia | |
| 309. |
In children, hypothyroidism causes_____________? |
| A. | Acromegaly |
| B. | Cretinism |
| C. | Gigantism |
| D. | Myxodedema |
| Answer» C. Gigantism | |
| 310. |
In cerebellar disease, all the statements are correct except______________? |
| A. | The romberg’s sign is positive |
| B. | There is adiodokokinesia |
| C. | There is pendular knee jerk |
| D. | There is involuntary termor |
| Answer» D. There is involuntary termor | |
| 311. |
In cases of hypercapnia there is_______________? |
| A. | Increased pH of blood |
| B. | Decreased pH of blood |
| C. | Remains same |
| D. | Increased oxygen concentration in blood |
| Answer» C. Remains same | |
| 312. |
In an isotonic contraction of the muscle________________? |
| A. | The muscle moves a load through a distance |
| B. | The muscle is not able to move the load |
| C. | The latent period of contraction is shorter than isometric contraction |
| D. | The length of muscle is increased |
| Answer» B. The muscle is not able to move the load | |
| 313. |
IN acute infection which of the following is found_______________? |
| A. | Leucopenia |
| B. | Leukocytosis |
| C. | Neutrophilia |
| D. | Neutropenia |
| Answer» D. Neutropenia | |
| 314. |
In a DNA molecule adenine always forms a linkage with______________? |
| A. | Guanine |
| B. | Cytosine |
| C. | Thymine |
| D. | Uracil |
| Answer» D. Uracil | |
| 315. |
In a blood sample antiserum A and antiserum B and Rh+ ve factor is added. No agglutination is seen. This is_______________? |
| A. | O group and Rh+ ve |
| B. | O group and Rh- ve |
| C. | AB group and Rh+ ve |
| D. | AB group and Rh – ve |
| Answer» C. AB group and Rh+ ve | |
| 316. |
Immunologically active cells are_____________? |
| A. | Plasma cells |
| B. | MAST cells |
| C. | Eosinophils |
| D. | R.B.C s |
| Answer» B. MAST cells | |
| 317. |
Immune complexes are removed from blood by _____________? |
| A. | B cell |
| B. | Basophil |
| C. | Plasma cell |
| D. | Kupffer cell |
| Answer» E. | |
| 318. |
Hypoxia is characterized by ___________? |
| A. | Low arterial PO2 |
| B. | Intense chemoreceptor response |
| C. | Favorable response to 100% oxygen |
| D. | All of the above |
| Answer» E. | |
| 319. |
Hypothyroidism should be treated with daily administration of which of the following thyroid hormone preparations ? |
| A. | Thyroid extract |
| B. | Thyroglobulin |
| C. | Thyroxine (T4) |
| D. | Triiodothyronine (T3) |
| Answer» D. Triiodothyronine (T3) | |
| 320. |
Hyperthyroidism can be caused by____________? |
| A. | Clonidine |
| B. | Amiodarone |
| C. | Hydralazine |
| D. | Penicillamine |
| Answer» C. Hydralazine | |
| 321. |
Hypercalcemia associated with malignancy is most often mediated by _____________? |
| A. | Parathyroid hormone ( PTH) |
| B. | Parathyroid hormone related protein (PTHrP) |
| C. | Interleukin – 6 ( IL- 6) |
| D. | Calcitonin |
| Answer» C. Interleukin – 6 ( IL- 6) | |
| 322. |
Hyper kinetic syndromes such as chorea and athetosis are usually associated with pathological changes in_______________? |
| A. | Motor areas of cerebral cortex |
| B. | Anterior hypothalamus |
| C. | Pathways for recurrent collateral inhibition in the spinal cord |
| D. | Basal ganglia complex |
| Answer» E. | |
| 323. |
Hunger centre of brain is________________? |
| A. | Hypothalamus |
| B. | Stria nigra |
| C. | Frontal lobe |
| D. | Temporal lobe |
| Answer» B. Stria nigra | |
| 324. |
Human chorionic gonadotrophin hormone ( HCG)______________? |
| A. | Acts on the uterus to maintain integrity of endometrium in early pregnancy |
| B. | Production is greatest in the last three months of pregnancy |
| C. | Can be identified in the urine of pregnant women by immunological technique |
| D. | Is a steroid hormone |
| Answer» D. Is a steroid hormone | |
| 325. |
Hormones, which stimulate spermatogenesis, are______________? |
| A. | Insulin and glucagon |
| B. | Thyroxine and parathormone |
| C. | A.D.H. and Oxytocin |
| D. | Testosterone and F.S. H |
| Answer» E. | |
| 326. |
Hormones FSH & LH of anterior pituitary gland acts on___________________? |
| A. | Testis but not ovaries |
| B. | Ovaries but not testis |
| C. | Both Testis and ovaries |
| D. | Adrenal cortex |
| Answer» D. Adrenal cortex | |
| 327. |
Hormone responsible for milk ejection______________? |
| A. | Oxytocin |
| B. | Estrogen |
| C. | Progesterone |
| D. | Prolactin |
| Answer» B. Estrogen | |
| 328. |
Hormone released during increased stress is_____________? |
| A. | Cortisol |
| B. | Thyroxine |
| C. | Growth hormone |
| D. | Somatostatin |
| Answer» B. Thyroxine | |
| 329. |
Histamine stimulate the secretion of_______________? |
| A. | Gastrin by stomach |
| B. | Pancreatic enzymes |
| C. | HCL by stomach |
| D. | Amylase by salivary gland |
| Answer» D. Amylase by salivary gland | |
| 330. |
Histiocytes are_____________? |
| A. | Scavenger cells |
| B. | Allergic cells |
| C. | Released in immunologic response |
| D. | Leukocytes |
| Answer» B. Allergic cells | |
| 331. |
Histamine is present on surface of_______________? |
| A. | Lymphocytes |
| B. | Mast cells |
| C. | Neutrophils |
| D. | Erythrocytes |
| Answer» C. Neutrophils | |
| 332. |
Hemostasis depends upon all the following, EXCEPT_______________? |
| A. | Calcium |
| B. | Prothrombin |
| C. | Vitamin B |
| D. | Vitamin K |
| Answer» D. Vitamin K | |
| 333. |
Hemoglobin is the major buffer in blood, bicarbonate ions diffuse out of erythrocyte into plasma in exchange of_______________? |
| A. | Potassium |
| B. | Phosphate |
| C. | Carbonic acid |
| D. | Chloride ion |
| Answer» E. | |
| 334. |
Hemoglobin has______________? |
| A. | Four polypeptide chains, 2α, 1β,1Υ chain |
| B. | Four heme molecules and four polypeptide chains |
| C. | Four heme molecules, 2α and 2β chains |
| D. | One heme and one globin molecule |
| Answer» E. | |
| 335. |
Hematocrit relates to which of the following______________? |
| A. | Total blood volume |
| B. | Total RBC volume |
| C. | Total WBC vlume |
| D. | Plasma filtrate |
| Answer» C. Total WBC vlume | |
| 336. |
Heart muscle, true are all except_______________? |
| A. | Act as syncytium |
| B. | Has multiple nuclei |
| C. | Has gap junctions |
| D. | Has branching |
| Answer» C. Has gap junctions | |
| 337. |
Gut associated lymphoid tissue ( GALT) is primarily located in______________? |
| A. | Lamina propria |
| B. | Submucosa |
| C. | Muscularis |
| D. | Serosa |
| Answer» B. Submucosa | |
| 338. |
Group B fibers are present in_____________? |
| A. | Intrafusal fibers of the muscle spindle |
| B. | Golgi tendon apparatus |
| C. | Autoonomic preganglionic fibers |
| D. | Spinothalamic tracts |
| Answer» D. Spinothalamic tracts | |
| 339. |
Glucose tolerance test is usually done to assess_____________? |
| A. | Acute Pancreatitis |
| B. | Carcinoma of Head of Pancreas |
| C. | Acinar Function of the Pancreas |
| D. | Endocrine Dysfunction of Pancreas |
| Answer» E. | |
| 340. |
Glucocorticoids have all the following actions except_______________? |
| A. | Increase in blood glucose level |
| B. | Increase in protein catabolism |
| C. | Anti – insulin action in peripheral tissues |
| D. | Decrease in glucose uptake by the heart |
| Answer» E. | |
| 341. |
Glucagon is secreted by ____________? |
| A. | Alpha cells of pancreas |
| B. | Beta cells of pancreas |
| C. | Gamma cells of pancreas |
| D. | None of the above |
| Answer» B. Beta cells of pancreas | |
| 342. |
Glucocorticoids decrease inflammatory reaction by reducing_______________? |
| A. | Activity of histamine |
| B. | Release of histamine |
| C. | Fibroblastic activity |
| D. | Neutrophils |
| Answer» C. Fibroblastic activity | |
| 343. |
Glomerular capillary pressure differ from other capillaries of body in______________? |
| A. | Higher filtration pressure |
| B. | Lower filtration pressure |
| C. | Both of the above |
| D. | None |
| Answer» B. Lower filtration pressure | |
| 344. |
GFR is increased when________________? |
| A. | Plasma oncotic pressure is increased |
| B. | Glomerular hydrostatic pressure is decreased |
| C. | Tubular hydrostatic pressure is increased |
| D. | Increased renal blood flow |
| Answer» E. | |
| 345. |
Gastro – intestinal hormone in the following is_______________? |
| A. | Pepsin |
| B. | Ptyalin |
| C. | Cholecystokinin |
| D. | Trypsin |
| Answer» D. Trypsin | |
| 346. |
Gastrin is produced by _____________? |
| A. | Pancreas |
| B. | Gastric antral cells |
| C. | Pituitary |
| D. | All |
| Answer» E. | |
| 347. |
Gastric secretion is stimulated by all the following except_____________? |
| A. | Secretin |
| B. | Gastric distension |
| C. | Gastrin |
| D. | Vagal stimulus |
| Answer» B. Gastric distension | |
| 348. |
Gag reflex is mediated by _______ cranial nerve ? |
| A. | VII |
| B. | IX |
| C. | X |
| D. | XII |
| Answer» C. X | |
| 349. |
Functional unit of kidney is______________? |
| A. | Nephron |
| B. | Glomerulus |
| C. | Collecting ducts |
| D. | Loop of Henle |
| Answer» B. Glomerulus | |
| 350. |
function of Merkel’s cells is_______________? |
| A. | Tactile sensation |
| B. | Melanophage |
| C. | Chemoreceptor |
| D. | Proprioception |
| Answer» B. Melanophage | |