PG PreparationPG PreparationPG Preparation Is a Blog About Getting ready For The post graduation entrance examinations in the field of medical sciences in India. It Covers various MCQs with high yield notes to help achieve success in PG Entrance tests Articles
MCQ Pathology 52
2007-09-18 05:27:00 A 25-year-old woman with sickle cell anemia complains of steady pain in her right upper quadrant with radiation to the right shoulder, especially after large or fatty meals. Her physician diagnoses gallstones. Of which of the following compounds are these stones most likely composed?A. Calcium bilirubinateB. Calcium oxalateC. CholesterolD. Cholesterol and calcium bilirubinateE. CystineAnswer More About: Pathology , Path , Holo
MCQ Anatomy 74
2007-09-17 09:33:00 An obese patient is brought into the emergency room in shock and in need of intravenous fluids. No superficial veins can be seen or palpated. The emergency room physician decides to make an incision to locate the great saphenous vein for the insertion of a cannula ("saphenous cutdown"). In which of the following locations should the incision be made?A. Anterior to the lateral malleolusB. Anterior to the medial malleolusC. On the dorsum of the foot, lateral to the extensor hallucis longus tendonD. Posterior to the lateral malleolusE. Posterior to the medial malleolusAnswer More About: Anatomy , Anatom
MCQ Genetics 18
2007-09-17 09:31:00 A boy with Duchenne muscular dystrophy (DMD) was born to parents with no family history of the disease. The most likely explanation for this occurrence is A. a CGG expansion that resulted in the disruption of the promoter of the dystrophin geneB. infidelityC. a point mutation in the dystrophin geneD. a recombination event in the dystrophin gene that gave rise to a frameshift mutation leading to an untranslatable mRNAE. a translocation that resulted in the disruption of the dystrophin geneAnswer More About: Genetics
MCQ Immunology 12
2007-09-17 09:29:00 Which of the following is the primary opsonin in the complement system?A. C1qB. C3bC. C5D. C5aE. Factor BAnswer
MCQ Infectious Diseases 39
2007-09-13 06:38:00 A patient with prolonged diarrhea undergoes esophagogastroduodenoscopy. Biopsy of the small intestine demonstrates numerous crescent-shaped protozoa adjacent to the epithelial brush border. Which of the following organisms is the most likely pathogen?A. Entamoeba histolyticaB. Escherichia coliC. Giardia lambliaD. Naegleria fowleriE. Trichomonas vaginalisAnswer More About: Diseases
MCQ Infection 38
2007-09-13 06:35:00 A patient is referred to a neurologist because of ataxia. Neurological examination reveals a loss of proprioception and a wide-based, slapping gate Magnetic resonance imaging reveals degeneration of the dorsal columns and dorsal roots of the spinal cord. Which of the following organisms is most likely to have caused this pattern of damage?A. Haemophilus influenzaeB. Herpes simplex IC. Neisseria gonorrhoeaeD. Neisseria meningitidisE. Treponema pallidumAnswer More About: Infection
Infectious Disease MCQ 37
2007-09-13 06:32:00 A 24-year-old woman in her third trimester of pregnancy presents with urinary frequency and burning for the past few days. She denies fever,nausea, vomiting, or chills. She takes no medications besides prenatal vitamins and is generally in good health. Physical examination is remarkable for mild suprapubic tenderness, and a urine dipstick is positive for white blood cells, protein, and a small amount of blood. Culture produces greater than 100,000 colonies of gram-negative bacilli. Which of the following attributes of this uropathogenic organism is most strongly associated with its virulence?A. Bundle-forming piliB. GVVPQ fimbriaeC. Heat labile toxinsD. Heat stable toxinsE. P piliF. Type 1 piliAnswer More About: Disease
MCQ Anatomy 73
2007-09-12 07:00:00 A neuroscientist is investigating the development of the nervous system. In his experiments, he microinjects a dye into the embryo of an animal subject in vivo. After birth, he performs histological studies to determine the destination of the dye. In one animal subject, he locates the dye in the dorsal horn of the spinal cord. Which of the following locations in the embryo was the most likely site of the injection?A. Alar plateB. Basal plateC. Neural crestD. Rostral end of neural tubeE. Sulcus limitansAnswer More About: Anatomy , Anatom
Anatomy MCQ 72
2007-09-12 06:59:00 The heart of an embryo first begins beating at which of the following ages?A. 2 weeksB. 3 weeksC. 4 weeksD. 6 weeksE. 8 weeksAnswer More About: Anatomy , Anatom
MCQ Anatomy 71
2007-09-12 06:58:00 Which of the following respiratory system components is derived from neural crest?A. Endothelial cellsB. Epithelium of primary bronchiC. Laryngeal cartilageD. Tracheal glandsE. Type I pneumocytesAnswer More About: Anatomy , Anatom
Anatomy MCQ 70
2007-09-12 06:58:00 A 36-year-old Asian male complains of difficulty swallowing. Esophagoscopy reveals a polypoid mass that is subsequently biopsied. In addition to tumor cells, the esophageal biopsy show normal smooth muscle and striated muscle in the same section. Which portion of the esophagus was the source of this biopsy?A. Lower esophageal sphincterB. Lower third of the esophagusC. Middle third of the esophagusD. Upper esophageal sphincterE. Upper third of the esophagusAnswer More About: Anatomy , Anatom
Anatomy MCQ 69
2007-09-12 06:57:00 Which of the following hormones is secreted by anterior pituitarycells that stain with acidic dyes?A. ACTHB. FSHC. LHD. ProlactinE. TSHAnswer More About: Anatomy , Anatom
Anatomy MCQ 68
2007-09-10 12:57:00 Contraction of which of the following muscles contributes most to the backward movement of the lower jaw during the process of mastication?A. DigastricB. Lateral pterygoidC. Medial pterygoidD. MylohyoidE. TemporalisAnswer More About: Anatomy , Anatom
MCQ Anatomy 67
2007-09-10 12:27:00 A 7-year-old patient presents with a mass in the anterior midline of the neck, slightly above the larynx. The mass is mobile and elevates upon protrusion of the tongue. This mass is most likelya cyst that developed from which of the following embryonic structures?A. First pharyngeal cleftB. First pharyngeal pouchC. Second pharyngeal cleftD. Second pharyngeal pouchE. Thyroglossal ductAnswer More About: Anatomy , Anatom
Pharmacology MCQ 66
2007-09-10 12:25:00 A 46-year-old woman visits her podiatrist to have several bunions removed from her right foot. She chooses conscious sedation rather than general anesthesia for this procedure. She is given intravenous midazolam to supplement the local anesthetics that are injected into her foot. Midway through the surgery, she suddenly becomes agitated, combative, and exhibits involuntary movements. The anesthesiologist determines that she is having a paradoxical reaction to the midazolam and immediately administersA. flumazenilB. glucagonC. naloxoneD. nitriteE. protamineAnswer More About: Pharmacology , Arma
MCQ Anatomy 66
2007-09-10 12:23:00 Zygomycosis, a destructive fungal infection of the sinuses, is likely to reach the brain by which of the following routes?A. Cavernous sinusB. External carotid arteryC. Internal carotid arteryD. Superior sagittal sinusE. Superior vena cavaAnswer More About: Anatomy , Anatom
Medicine MCQ 31
2007-09-04 07:26:00 A 26-year-old man is admitted through the emergency department to the hospital for a heroin overdose. His heart rate is 45 beats/min, and his blood pressure is 75/40 mm Hg. Which of the following best depicts the results from an arterial blood sample ?pH PaCO2 (mm Hg) HCO3- (mEq/L)A. 7.22 66 26B. 7.34 29 15 C. 7.40 40 24D. 7.47 20 14 E. 7.49 48 35Answer Tags: Acidosis, Multiple Choice More About: Medicine
MCQ Pharmacology 65
2007-08-27 19:04:00 All of the following statements concerning antianginal drugs are true EXCEPT: A. The effect of calcium channel blockers on afterload is more than their effect on preload. B. The beta-blockers are effective in treating exertional angina since they decrease cardiac oxygen consumption during exercise. C. The dihydropyridines present no hazard when used alone in the treatment of angina. D. Organic nitrates are effective in treating Printzmetal's angina because they decrease preload and dilate coronary arteries.Answer More About: Pharmacology , Arma
Psychiatry MCQ 42
2007-08-23 05:29:00 A 4-year-old girl is discovered pulling the tail of the family dog. Her mother, who had warned her previously that this behavior was unacceptable, now assigns the girl to a 5 minute time out period. A timer is set up so that the girl can keep track of the time period. After two minutes of the period, the girl begins to scream and cry. At this point, the mother's best response would be toA. do nothing until the time out period has endedB. explain to the child why this type of punishment is necessaryC. offer the child a choice between becoming quiet or "being paddled"D. reset the timer to add an additional 5 minutes to the time out periodE. tell the child that if she quiets down she will be rewarded by a treat at the end of the time out periodAnswer More About: Psychiatry , Chia
Orthopedics MCQ 32
2007-08-23 05:26:00 A 48-year-old white female secretary presents with progressive difficulty typing over the past month. She also notes that her hands begin to feel numb and weak after typing for long periods of time. Upon testing, which of the following deficits would be predicted?A. Difficulty in abducting the fifth fingerB. Difficulty in adducting the thumbC. Difficulty in flexing digits two and three at the metacarpophalangeal jointsD. Loss of sensation over the lateral half of the dorsum of the handE. Loss of sensation over the lateral half of the palmF. Loss of sensation over the medial half of the dorsum of the handG. Loss of sensation over the medial half of the palmAnswer
MCQ PSM 10
2007-08-13 18:17:00 In a study, a group of similar patients were randomly assigned to two different groups. One group received Treatment A and the other received Treatment B. After two weeks of treatment, treatment effects were measured. This was followed by a two week wash-out period. Then the group which originally received Treatment A was given Treatment B and the group which received Treatment B initially was given Treatment A. After another two weeks, treatment effects were again measured. This type of study design is called a:A) cohort studyB) case-control studyC) cross-over studyD) cross-sectional studyAnswer
MCQ PSM 9
2007-08-13 11:30:00 A relationship between the effects of two or more causal factors as observed in a set of data, such that it is not logically possible to separate the contribution that any single causal factor has made to an effect or outcome is called:A) randomizationB) causationC) confoundingD) regressionE) containmentanswer
MCQ PSM 8
2007-08-13 11:28:00 Two studies were completed to test the same hypothesis. Both studies showed a 20 percent reduction in mortality comparing the new treatment to the standard treatment. However, that finding in Study A was statistically significant at p 0.05). What is the most likely cause of this difference in findings between the two studies?A) Study A used larger samples that Study B.B) Study A had more confounding variables that Study B.C) Study A used lower doses of the treatments that Study B.D) Study A used more chronically ill patients that Study B.E) Study A used stratified, random sampling while Study B did not.Answer
MCQ PSM 7
2007-08-13 09:57:00 A research study was designed to have a power of 70 percent to detect a 50 percent difference in the two study group means. How can this statement be interpreted?A) The investigator had a 70 percent chance of detecting a difference of 50 percent or more if it was actually present.B) The investigator had a 70 percent chance of rejecting the null hypothesis if it is actually true.C) The investigator had a 70 percent chance of retaining the null hypothesis if it is actually false.D) The probability of rejecting a false null hypothesis is 30 percent.Answer
MCQ Pathology 51
2007-08-13 09:52:00 A 9 year old African child develops a high grade lymphoma of the jaw. Which of the following features would probably NOT be present?a) CD4 positivityb) CD10 positivityc) Epstein-Barr virusd) Starry sky patterne) t (8,14)Answer More About: Pathology , Ology , Path , Holo
MCQ Biochemistry 11
2007-08-12 13:51:00 A 5 year old child has massive liver enlargement and sever persistent hypoglycemia and ketosis. which of the following disease classes should be suspected?A. DiabetesB. Glycogen storage diseaseC. Lysosomal storage disorderD. MucopolysaccharidosesE. Urea Cycle defectAnswer More About: Chemist , Chem
MCQ Surgery 25
2007-08-12 06:57:00 A 32-year-old, blood type A positive male receives a kidney transplant from a blood type B positive female donor with whom he had a 6-antigen HLA match. Once the kidney is anastomosed to the man's vasculature, the transplant team immediately begins to observe swelling and interstitial hemorrhage. After the surgery, the patient developed fever and leukocytosis and produced no urine. Which of the following is the most likely explanation?A. Acute rejection due to antibody-mediated immunityB. Acute rejection due to cell-mediated immunityC. Chronic rejection due to cell-mediated immunity to minor HLA antigenD. Hyperacute rejection due to lymphocyte and macrophage infiltrationE. Hyperacute rejection due to preformed ABO blood group antibodiesAnswer More About: Surgery , Urge
MCQ Gynecology 20
2007-08-12 06:48:00 An 18 year old woman develops a vaginal mass that on biopsy shows invasive glandular structures composed of cells with abundant clear cytoplasm and small round nuclei. which of the following clinical features would most likely be present?a) Coexistent squamous cell Ca of the cervixb) exposure to DES in uteroc) gonorrhea infectiond) herpes virus infectione) HPV infectionAnswer More About: Ology
MCQ Infectious Diseases 35
2007-08-07 13:58:00 A previously healthy 11-year-old girl develops a gastrointestinal infection with cramping and watery stools. After several days, she begins to pass blood per rectum, and is hospitalized for dehydration. In the hospital, she is noted to have decreasing urine output with rising bloodurea nitrogen (BUN). Total blood count reveals anemia and thrombocytopenia, and the peripheral smear is remarkable for fragmented red cells (schistocytes). Infection with which of the following bacterial genera is most likely responsible for this syndrome?A. CampylobacterB. ClostridiumC. SalmonellaD. ShigellaE. VibrioAnswer More About: Diseases , Ease , Seas
MCQ Hematology 38
More articles from this author:2007-08-07 13:52:00 In the clotting process, as the hemostatic plug develops, fibrin polymerizes into monomeric threads which are held together by noncovalent bonds. Which clotting protein increases the strength of the clot by crosslinking the newly formed fibrin threads?A. Factor XIIIB. High molecular weight kininogen (HMWK)C. PlasminogenD. ThrombinE. von Willebrand Factor (vWF)Answer More About: Ology 1, 2, 3, 4 |
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