query stringlengths 1 1.57k | pos stringlengths 1 22.5k | idx int64 0 161k | task_name stringclasses 1
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All the following are hormonal agents used against breast cancer except | Refer Katzung 10th/897 Letrozole, anastrozole and exemestane are aromatase inhibitors useful for the treatment of tamoxifen resistant breast cancer Tamoxifen is a SERM It is also used for breast cancer Taxol is commonly used term for paxclitaxel | 157,900 | medmcqa_train |
True about generator potential: | Generator potentialare graded potentials whose magnitude is propotional to ghe intensity of the stimulus . Graded potentials have different names depending on which type of stimulus causes them and where they occur. For eg, when a graded potential occurs in the dendrites or cell body of a neuron in response to a neurot... | 157,901 | medmcqa_train |
In normal pressure hydrocephalus, all are seen except? | Ans. is 'a' i.e. Convulsion Normal Pressure Hydrocephalus is an uncommon syndrome consisting of an abnormal gait (ataxic or apractic) dementia (usually mild to moderate) urinary incontinence This is a communicating hydrocephalus with patent aqueduct of Sylvius. NPH is presumed to be caused by obstruction to normal flow... | 157,902 | medmcqa_train |
All of the following are a features of mania except - | Psychomotor activity is increased in mania. | 157,903 | medmcqa_train |
Maximum age of foetus for MTP is : | 20 weeks | 157,904 | medmcqa_train |
Tonsiloliths are best treated with: | The treatment for these tonsillar concretions or chronic tonsillitis is aggressive mouth care, which includes irrigation of the tonsils or cleaning them with a cotton swab soaked in 3% hydrogen peroxide. With time, the cellular debris is often retained in the branching crypts and with recurrent formation of focal bacte... | 157,905 | medmcqa_train |
The lacerated wound will look like an incised wound in the region of- | Ans-B (4.10-Parikh 6th)Split lacerations (Incised like or incised looking wound)* Blunt force on areas where the skin is close to bones, and the subcutaneous tissues are scanty, may produce a wound which by the linear splitting of the tissues may look like an incised wound. Common sites (4.10 Parikh 6th)(181- Reddy 32t... | 157,906 | medmcqa_train |
Most common tumour of pineal region is? | Most common tumour of pineal region is germinoma. Most common tumour of pineal parenchymal gland is pineocytoma. | 157,907 | medmcqa_train |
Reflux oesophagitis is common in which type of Hiatus Hernia | HIATUS HERNIA It is displacement of stomach into the chest through oesophageal opening of the diaphragm. Most patients are elderly, past 40 years. This disorder is of two types: 1. Sliding:- Stomach is pushed into the thorax, in line with the oesophagus. Reflux oesophagitis is common and may give rise to ulceration and... | 157,908 | medmcqa_train |
An elderly male presented with fever, dry cough and chest pain. The causative organism was detected in sputum which is cultured on charcoal yeast medium. The organism is: | This is a case of Legionella infection. The established approach to diagnosis combines direct fluorescent antibody (DFA) with culture of infected tissues. Cultures must be made on buffered charcoal yeast extract (BCYE) agar medium that includes supplements (amino acids, vitamins, L-cysteine, ferric pyrophosphate), whic... | 157,909 | medmcqa_train |
All of the following are pneumatic bones except? | Pneumatic bones are maxilla, frontal, sphenoid, ethmoid bones and mastoid process. | 157,910 | medmcqa_train |
Management of stage 2 pressure sore, clean ulcer without cellulitis is | Answer- B. Moist dressing | 157,911 | medmcqa_train |
The ductus aeriosus is derived from the following aoic arch | The pa of the left sixth arch aery, between the branch to the lung bud and aoa,forms the ductus aeriosus HUMAN EMBRYOLOGY-INDERBIR SINGH TENTH EDITION-PAGE NO:255 | 157,912 | medmcqa_train |
Turner no of chromosomes - | Ans. is 'a' i.e., 45 Molecular pathogenesis of Turner's syndromeo Turner's syndrome results from complete or partial monosomy of the X chromosome and is characterized primarily by hypogonadism in phenotypic females,o The genotype in Turner's syndrome is AOo As already discussed absence of Y chromosome allows the develo... | 157,913 | medmcqa_train |
Phosphofructokinase is the key enzyme of | Step 3 of Glycolysis -6-phosphate is fuher phosphorylated to fructose1,6-bisphosphate. The enzyme is phosphofructokinase. ii.PFK is an allosteric, inducible, regulatory enzyme. It is an impoant key enzyme of this pathway. This is again an activation process, the energy being derived by hydrolysis of yet another molecul... | 157,914 | medmcqa_train |
Which of the following drugs inhibits de nove synthesis of purines? | (Ref: KDT 6/e p841) By inhibiting the enzyme IMP dehydrogenase, mycophenolate inhibits the de novo synthesis of purines. | 157,915 | medmcqa_train |
Level of lower border of lung at mid axillary line is | B i.e. 8th rib | 157,916 | medmcqa_train |
In femoral hernia the base of sac lies - | Ans. is 'a' i.e., Below and lateral pubic tubercle * The base of hernia sac appears below and lateral to the pubic tubercle and lies in the upper leg rather than in the lower abdomen.Femoral hernia* In this hernia the abdominal contents pass through the femoral ring, traverse the femoral canal and come out through the ... | 157,917 | medmcqa_train |
Screening test for cervical cancer is: | Ans. (b) Papaniculaou smearRef. Shaw's Gynae 15th ed./. 403* Pap smear is taken from cervix, with Arye spatula, rotated 360deg to pick up cells from squamo-columnar junction. Vaginal smear for hormonal evaluation is taken from lateral fornix* The objective of screening is to reduce the incidence and mortality from cerv... | 157,918 | medmcqa_train |
Multiple myeloma is a tumor of? | Ans. (d) Plasma cell(Ref: Robbins 9th/pg 598-602)Multiple myeloma is a malignant proliferation of plasma cells derived from a single clone. | 157,919 | medmcqa_train |
A 3 year old boy is brought to the emergency depament after the acute onset of headache, vomiting, nuchal rigidity, and impaired mental status. MRI reveals a posterior fossa tumor that fills the 4th ventricle. Surgery is immediately staed, and intraoperative consultation leads to a "frozen section" diagnosis of medullo... | Any tumor "filling the 4th ventricle" blocks the circulation of cerebrospinal fluid (CSF). This blockage leads to increased intracranial pressure, which manifests with nausea, vomiting, headache,nuchal rigidity, and mental status changes. If surgery is not performed promptly, cerebellar tonsillar herniation and rapid d... | 157,920 | medmcqa_train |
A 40 yrs old female who is known case of ischemic hea disease (IHD) is diagnosed having hypothyroidism. Which of the following would be most appropriate line of management for her - | Levothyroxine replacement in ischaemic hea disease Hypothyroidism and ischaemic hea disease are common conditions that often occur together. Although angina may remain unchanged in severity or paradoxically disappear with restoration of metabolic rate, exacerbation of myocardial ischaemia, infarction and sudden death a... | 157,921 | medmcqa_train |
Increased sweat chloride is seen in all except - | Ans. is d i.e., Obesity Increased sweat chloride is seen in - i) Cystic fibrosis v) Familial cholestasis ix) Untreated adrenal insufficiency (Addison disease) ii) Malnutrition vi) Ectodermal dysplasia x) Hereditary nephrogenic diabetes insipidus iii) Pancreatitis vii) Fucosidosis xi) Hypoparathyroidism iv) Hypothyroidi... | 157,922 | medmcqa_train |
True about colour blindness: September 2005 | Ans. D: Defect in 1 or more prime colours Colour blindness is inherited as recessive and X-linked characteristics. The prefixes "Prot-" "Deuter-"and "Trit-" stands for defects of Red, Green and Blue cone systems. So tritanopia (Rarest) has Defect of blue colour. Trichromats are normal individuals. | 157,923 | medmcqa_train |
Causes of unilateral dysmenorrhea are all except: | Ans. is 'd' i.e., Large fundal fibroid * Causes of unilateral dysmenorrhea1) Ovarian Dysmenorrhea (Right ovarian vein syndrome)2) Bicornuate uterus3) Unicornuate uterus4) Rudimentary horn5) Unilateral pelvic endometriosis6) Small fibroid polyp near one cornu | 157,924 | medmcqa_train |
Smallest cross-section of large bowel is seen at: | (Refer: Richard S. Snell’s Clinical Anatomy by Regions, 9th edition, pg no: 158)
Characteristic Features of Rectosigmoid Junction
The diameter of the large intestine narrows.
There is an absence of complete peritoneal investment.
There is no true mesentery.
The three taeniae coli diverge to form a continuous longitudi... | 157,925 | medmcqa_train |
A young patient presents to the ophthalmic outpatient depament with gradual blurring of vision in the left eye. Slit lamp examination reveals fine stellate keratatic precipitates and aqueous flare and a typical complicated posterior subcapsular cataract. No posterior synechiae were observed. The most likely diagnosis i... | Ans. Heterochromic iridocyclitis of Fuch's | 157,926 | medmcqa_train |
Granular layer is absent in: | A i.e. Ichtyosis vugaris Icthyosis vulgaris - Icthyosis vulgaris is autosomal dominant disorderQ, occurring due to reduced or absence of filaggrin protein and granular layerQ. It presents with dry scaly skin resembling fish (reptile or crocodile) skin K/a sauroderma. AD means one parent should also manifest disease. It... | 157,927 | medmcqa_train |
Which method is not used for autopsy - | Ans. is 'd' i.e., ThomasMethods of removal of organso Virchow's technique - organs are removed one by one. Crania] cavity is exposed first, followed by thoracic, cervical & abdominal organs.o Rokitansky rs technique - It involves in situ dissection in part, combined with en block removal,o Lettulle's technique - Cervic... | 157,928 | medmcqa_train |
Which of the following toxin acts by inhibiting protein synthesis? | Shiga toxin also known as verotoxin, was first identified in a major cause of dysentry called Shigella dysentriae. Shiga toxin contains an enzymatic domain and 5 binding domains which bind to globotriaosylceramide (Gb3), a glycosphingolipid on the surface of cells and the complex is internalized. The internalized shiga... | 157,929 | medmcqa_train |
The phenomenon of cancer cells switching to glycolysis even in the presence of adequate oxygen for oxidative phosphorylation is known as: | Even in the presence of ample oxygen, cancer cells shift their glucose metabolism away from the oxygen hungry, but efficient, mitochondria to glycolysis. This phenomenon, called the Warburg effect and also known as aerobic glycolysis, has been recognized for many years (indeed, Otto Warburg received the Nobel Prize for... | 157,930 | medmcqa_train |
All of the following structures are present deep to Pterion except | Structures present deep to Pterion areMiddle meningeal vein and aeryStem of lateral sulcus of brain Reference: Chourasia; 6th edition; 12th page | 157,931 | medmcqa_train |
The appropriate size of LMA for an average adult patient weighing 50 kg is: | Ans. c. 4.0 | 157,932 | medmcqa_train |
Incidence of scar rupture in a pregnant lady with previous LSCS is : | 0.20% | 157,933 | medmcqa_train |
Capsicum seed can be confused with: NEET 14 | Ans. Dhatura | 157,934 | medmcqa_train |
"Groundglass hepatocytes" are seen in which of the following viral hepatitis? | Ans. b (Hepatitis B) (Ref Robbins 7th/899; TABLE 18-7)Robbins 7th/B99HBV HISTOLOGY# HBV infected hepatocytes may exhibit a cytoplasm packed with spheres and tubules of HBsAg, producing a finely granular eosinophilic cytoplasm (GROUNDGLASS HEPATOCYTES).Key Morphologic Features of Viral HepatitisAcute Hepatitis (Enlarged... | 157,935 | medmcqa_train |
Tumour arising from Rathke's pouch is | Rathke's pouch develop at the roof of oral cavity from surface ectoderm to form most of pituitary . Posterior pituitary develops from diencephalon. Craniopharyngioma is a tumor that develop in the sella turcica. | 157,936 | medmcqa_train |
All are presentation of retinoblastoma except: | C i.e. Cataract | 157,937 | medmcqa_train |
During Hysterectomy, Ureter is liable for injury at? | Where it crosses uterine aery REF: Novak's Gynecology chapter 5, chapter 22 "About 75% of all iatrogenic injuries to the ureter result from gynecologic procedures, most commonly abdominal hysterectomy" "Significant aerial bleeding during hysterectomy usually arises from the uterine aeries or the ovarian vessels near th... | 157,938 | medmcqa_train |
Intravenous resuscitation is required in a patient with 30% burns. Which of the following will be the best choice of fluid in the first 24 hours? | Most commonly used fluid for resuscitation in burns is ringer lactate. Some centres use human albumin solution or fresh-frozen plasma, and some centres use hypeonic saline. Intravenous resuscitation is indicated for children with a burn greater than 10% TBSA and adults with 15% TBSA. Parkland formula is the most widely... | 157,939 | medmcqa_train |
Which of the following criteria can be used to determine if a pheochromocytoma lesion is benign or malignant | Ref Robbins 8/e p1159-1161;9/e p1135 Pheochromocytoma and their related counterpas in extra adrenal sites called paraganglioma, are notorious Because the only reliable indicator of metastasis potential is the presence of distant metastasis . Very malignant appearing tumors may not metastasize and benign appearing tumor... | 157,940 | medmcqa_train |
Non cicatrical alopecia is present in- | C. i.e. Psoriasis | 157,941 | medmcqa_train |
Time dependent Killing is exhibited by all the following drugs except: | * Time dependent killing(TDK) : Here, the killing activity depends upon the length of time, plasma concentration is above MIC. It is shown by:* Beta Lactams.* Vancomycin Concentration dependent killing(CDK) : Here, killing activity depends upon the ratio of plasma concentration to MIC.It is shown by:* Aminoglycosides.*... | 157,942 | medmcqa_train |
Prozone phenomenon is due to- | Ans. is 'b' i.e., Excess antibody | 157,943 | medmcqa_train |
Rocky mountain spotted fever Cause and vector are:- | RICKETTSIAL DISEASE CAUSE VECTOR RESERVOIR EPIDEMIC TYPHUS R. prowazekii Louse Man ENDEMIC TYPHUS R. typhi Flea Rodents SCRUB TYPHUS R. tsutsugamushi Trombiculid mite Rodents INDIAN TICK TYPHUS R. conori Tick Rodents RMSF R. ricketisii Tick Rodents R.POX R. akari Mite Rodents Q FEVER Coxiella - Cattle TRENCH FEVER Baon... | 157,944 | medmcqa_train |
Emergency contraceptives are effective if administered within following period after unprotected intercourse: | Ans. is d, i.e. 120 hoursRef: Shaw 15th/ed, p237; Current Concepts in Contraception and Women Death, pl05, Leon Speroff8th/ed, p1042The standard recommendation is to start emergency contraceptive not later than 72 hours. The greatest protection is offered, if it is taken within 12 hours, as postponing the dose by 12 ho... | 157,945 | medmcqa_train |
All of the following are true regarding Temporal arteritis except | (B) Unilateral headache # Giant cell arteritis or Cranial arteritis or Temporal arteritis> Occurs almost exclusively in individuals > 50 years> The disease is characterized by the complex of fever, anemia, high ESR, and headaches in a patient over the age of 50 years.> A well recognized & dreaded complication of giant ... | 157,946 | medmcqa_train |
Adequate Total per capita water for Urban domestic purposes? | Ans. is 'c' i.e., 150-200 litresThe basic physiological requirements for drinking water have been estimated at about 2 litres per head per day.A daily supply of 150-200 litres per capita is considered as an adequate supply to meet the needs for all urban domestic purposes. | 157,947 | medmcqa_train |
An autoimmune disease is – a) Pemphigus vulgarisb) Psoriasisc) Lichen planusd) Acne vulgaris | Autoimmune skin disorders
Autoimmune bullous skin disorders
Pemphigus
Bullous pemphigoid
Dermatitis herpetiformis
Lichen planus
Lichen planus is believed to be an autoimmune disorder as it often occurs concurrently with other autoimmune disorders like primary biliary cirrhosis, diabetes, chronic active hepatitis.
... | 157,948 | medmcqa_train |
Aerial blood supply to Little's area is from all the following except | Aeries supplying Little's area are: a. Sphenopalatine aery. b. Superior labial aery. c. Anterior ethmoidal aery. d. Septal branches of greater palatine aery. | 157,949 | medmcqa_train |
Ligamentum teres is the remnant of | (A) Umbilical vein SOME FREQUENTLY ASKED REMNANTS* Ductus arteriosusLigamentum arteriosum* Ductus venosusLigamentum venosum* Left umbilical veinLigamentum teres of liver* Right umbilical veinDisappears* Vitello-intestinal ductMeckel's diverticulum* Wolffian ductGartner duct> After obliteration, the umbilical vein forms... | 157,950 | medmcqa_train |
Classification of aoic dissection depends upon | Aoic dissection occurs when blood splays apa the laminarplanes of the media to form a blood-filled channel within theaoic wall.The clinical manifestations of dissection depend primarily on the poion of the aoa affected; the most serious complicationsoccur with dissections involving the proximalaoa and arch.Thus, aoic d... | 157,951 | medmcqa_train |
All are indications for penile angiography except: | Priapism is of two types. A low-flow (ischemic), painful priapism and the other high-flow (non-ischemic), painless priapism.
Penile angiography is not indicated in the painful, low-flow priapism. It is indicated for the high-flow, non-ischemic priapism which is painless.
Priapism
Priapism is defined as prolonged erec... | 157,952 | medmcqa_train |
Most impoant enzyme in DNA replication for chain elongation | Ans. is 'c' i.e.,DNA polymerase III Impoant DNA PolymerasesIn ProkaryotesDNA polymerase I :- Helps in gap filling and synthesis between okazaki fragments of lagging strand, and replaces ribonucleotides of RNA primer by deoxyribonucleotides. It has (i) 3' 5' exonuclease activity, (ii) 5' 3' exonuclease activity and (iii... | 157,953 | medmcqa_train |
Which of the following is the least common site of pain in a case of rheumatoid ahritis? NOT RELATED- OHO | . | 157,954 | medmcqa_train |
Superficial perineal muscles include- | Muscles in superficial perineal space.
- Ischiocavernosus
- Bulbospongiosus
- Superficial transverse perinei | 157,955 | medmcqa_train |
Commonest cause of ureteric injury during surgical operation is | Surgical trauma during pelvic surgery is the most common cause of ureteric trauma This occurs most often during vaginal or abdominal hysterectomy when the ureter is mistakenly divided, ligated, crushed or excised. Pre-emptive ureteric catheterisation makes it easier to identify the ureters. ( ref : Bailey 27th ed , cha... | 157,956 | medmcqa_train |
Misoprostol is an analogue of | Misoprostal: PGE-1 Given transvaginally and orally Dose of 25 micrograms every 4 hrs is found to be more effective than PGE -2 for cervical ripening and labor induction. Oral use of misoprostal is less effective than vaginal administration . Ref: Dutta Obs 9e pg 485. | 157,957 | medmcqa_train |
Which of the following is true about seminoma?a) It is radiosensitiveb) It arises only from cryptorchid testisc) AFP is increasedd) It is chemosensitive | Seminomas are both radiosensitive & chemosensitive tumors. | 157,958 | medmcqa_train |
Not a feature of traumatic optic neuropathy: | Macular edema is not a characteristic feature of traumatic optic neurpathy. Traumatic Optic Neuropathy Loss of vision. Dilatation of pupil. Impaired Pupillary light reflex. Contrast sensitivity is decreased. Central or centrocecal scotoma (though less common, it can be seen in traumatic optic neuropathy) MRI is the inv... | 157,959 | medmcqa_train |
Codex alimentarius is related to - | Food standards are done by CODE ALIMENTARIUS, PFA STANDARDS, THE AGMARK STANDARDS, BUREAU OF INDIA STANDARDS. REF. PARK'S TEXTBOOK OF PREVENTIVE AND SOCIAL MEDICAL 21ST EDITION. PAGE NO - 610) | 157,960 | medmcqa_train |
Sinus not present at birth is - | Development and grwoth of paransal sinuses | 157,961 | medmcqa_train |
Tillaux fracture involves: | Tillaux fracture Lower tibial epiphysis injury (anterolateral pa) | 157,962 | medmcqa_train |
EEG rhythm in full awake and ale state? | Ans. is 'b' i.e., BetaBeta wave is seen when the person is fully awake and ale and is thinking with maximum concentration.Therefore it is also called arousal or ale response. | 157,963 | medmcqa_train |
Atractiloside act as ? | Ans. is 'b' i.e., Inhibitor of oxidative phosphorylationInhibitors of electron transpo chain?Inhibitors of respiratory chain may be divided into three groups : ?1. Inhibitors of electron transpo chain properThese inhibitors inhibit the flow of electrons through the respiratory chain. This occurs at following sites.Comp... | 157,964 | medmcqa_train |
Champagne glass pelvis is seen in | (Achandroplasia): (306- Maheshwari 4th edition)Champagne - glass' pelvic cavity found in ACHONDROPLASIA(275-Aids to radiological differential diagnosis chapman)ACHONDROPLASIA(Primary defect of enchondral bone formation, Autosomal dominant (but 80% are spontaneous mutations)SkullPelvis1. Large skull, small base, small s... | 157,965 | medmcqa_train |
Type A (augmented) adverse drug reactions are characterized by all EXCEPT: | Predictable (Type A or Augmented) reactions - quantitatively responses- includes side effects, toxic effects and consequences of drug withdrawal. They are more common, dose-dependent and mostly preventable and reversible. Ref ; KD Tripathi pharmacology 7 th edition (page no; 82) | 157,966 | medmcqa_train |
A specimen from a lung biopsy reveals occasional plexiform lesions within pulmonary aerioles. This abnormality is most characteristic of | ) Pulmonary vascular sclerosis refers to the vascular changes associated with pulmonary hypeension. Elevation of the mean pulmonary aerial pressure is the result of endothelial dysfunction and vascular changes. The vascular changes vary with the size of the vessel. The main aeries have atheromas that are similar to sys... | 157,967 | medmcqa_train |
Incised looking laceration is seen in all, except AFMC 11; NEET 13 | Ans. Chest | 157,968 | medmcqa_train |
Large placenta is seen in | Ans. a Twins. (Ref. Dutta, Obstetrics, 4th/pg.221)D/d of Large placenta/hyperplacentosis:# Twin pregnancy# Hydrops fetalis# Diabetes in pregnancy# IUGRHUMAN PLACENTA# It is Discoid, Deciduate and Haemchorial.# It develops from--- foetal (4/5th)--chorionic frondosum and- maternal (l/5th)--decidua basalis.# Its developme... | 157,969 | medmcqa_train |
Socially acquired behavior is known as: March 2005, September 2010 | Ans. A: Culture Culture is defined as "learned behaviour which has been socially acquired". It is the central concept around which cultural anthropology has grown. Socialization refers to the process of inheriting norms, customs and ideologies. It may provide the individual with the skills and habits necessary for paic... | 157,970 | medmcqa_train |
Glucose diffusion in RBC by ? | Ans. is 'a' i.e., GLUT 1 | 157,971 | medmcqa_train |
A 58 year old woman has been diagnosed with locally advanced breast cancer and has been recommended for chemotherapy. She has five years history of myocardial infarction and congestive heart failure. Which antineoplastic drug should be best avoided? | Ans. is 'a' i.e. AnthracyclineRef: Katzung 8th/e 937-938, Harrison 16th/e p 475 (15th/e p 434)Anthracyclines are anticancer antibiotics and they include Doxorubicin (Adriamycin) and Daunorubicin.The major toxicity of anthracyclines is potentially irreversible cumulative dose related toxicity.They may causes arrhythmias... | 157,972 | medmcqa_train |
A 9-year-old girl child developed a 10 mm area of induration on the left forearm 72 hours after intradermal injection of 0.1 ml of purified protein derivative (PPD). Which of the following is most likely to be seen on the X-ray of this patient? | Most Mycobacterium tuberculosis infections are asymptomatic and subclinical infections. In most healthy people primary tuberculosis is asymptomatic, although it may cause fever and pleural effusion. Generally, the only evidence of infection, if any remains, is a tiny, fibrocalcific pulmonary nodule at the site of the i... | 157,973 | medmcqa_train |
All are seen in hypersplenism except: | Ans. (d) Hypocellular bone marrowRef: Sabiston 19/e p 1553-1554Hypersplenism:* Spleen Enlargement+Decrease in Cell count in more than one cell line (Anemia, thrombocytopenia, leucopenia) is known as hyper splenism* Important feature on Bone marrow study is there will be Hyper plasia and immediate improvement of blood c... | 157,974 | medmcqa_train |
False regarding invlovement in Crohn's disease | Ans. is 'b' i.e., Rectum | 157,975 | medmcqa_train |
Latanoprost (PGF2 alfa) is used in - | Ans. is 'd' i.e., Glaucoma PG F2 alpha (Latanoprost) is used in glaucoma. | 157,976 | medmcqa_train |
The standard sutureless cataract surgery is done with phacoemulsification and foldable IOL has an incision of – | In phacoemulsification, the nucleus is emulsified using high frequency sound waves and then sucked out of the eye through a small (3.2 mm) incision. | 157,977 | medmcqa_train |
Following sign is diagnostic of which condition? | Ans. C. Carcinoma stomacha. Ulcerating carcinoma of the stomach with mass is the most frequent type encountered in North America and Western Europe.b. These carcinomas have been described as irregular, saucer-shaped lesions with ulcerated centers.c. Such a configuration may produce the meniscus or Carman sign, which in... | 157,978 | medmcqa_train |
Glaukomflecken is – | Epithelial cell necrosis leads to focal opacification of the lens epithelium as glaucomflecken in acute angle-closure glaucoma. | 157,979 | medmcqa_train |
Elimination after 4 half lives in first order Kinetics is | Ans. is 'b' i.e., 93% Half life Elimination 1t%2 50% 2t'/2 75% 3 0/2 87.5% 41 93.75% 5 t'/ 96.875 | 157,980 | medmcqa_train |
Hyperventilation in high altitude is due to | Hyperventilation in high altitude is due to respiratory alkalosis Ref: guyton and hall textbook of medical physiology 12 edition page number:375,376,377 | 157,981 | medmcqa_train |
The following regarding colostomy are true except : | • Bailey says “Double-barrelled colostomy was designed so that it could be closed by crushing the intervening ‘spur’ using an enterotome or a stapling device. It is rarely used now, but occasionally the colon is divided so that both ends can be brought to the surface separately, ensuring that the distal segment is comp... | 157,982 | medmcqa_train |
The first step in public health procedure is- | * The steps in public health procedure are as follows- 1) Survey. 2) Situation analysis. 3) Programme planning. 4) Programme operation. 5) Financing. 6) Programme appraisal. | 157,983 | medmcqa_train |
A young patient is diagnosed to have choriocarcinoma the treatment of choice is : | Chemotherapy | 157,984 | medmcqa_train |
In a family, the father has widely spaced eyes, increased facial hair and deafness. One of the three children has deafness with similar facial features. The mother is normal. Which one of the following is least likely pattern of inheritance in this case- | Ans. is 'a' i.e., Autosomal dominant (most likely) o It is typical presentation of waardeburg syndrome type - 1. --> Widely spaced eyes, Hearing loss, Increased facial hair o It is an autosomal dominant disorder. o In autosomal disorder, if one parent is affected and the other is normal, 25% of children (1 out of 4) wi... | 157,985 | medmcqa_train |
Chvostek sign is? | 1. Chvostek sign - seen in hypocalcemia - Twitching of Circumoral Muscle on tapping of Facial Nerve 2. Inability to open eye on tapping of facial nerve - L.P.S 3rd nerve | 157,986 | medmcqa_train |
Coho study is a type of - | Ans. is 'b' i.e., Analytic study Coho study o Coho study is a type of analytic observational study (like case control study). o Coho study proceeds forward from cause to effect, i.e., disease has not occured in subjects (In contrast to case-control study which proceeds backward from effect to cause). | 157,987 | medmcqa_train |
Lambda - Panda sign is typically seen in- | Ans. is 'a' i.e., Sarcoidosis o Lambda sign and Panda sign on Gallium scan are typically described for sarcoidosis.o Active pulmonary and/or mediastinal sarcoidosis is gallium avid and a positive gallium scan can support the diagnosis of sarcoidosis. Typical patterns of uptake have been described as 'panda' and 'lambda... | 157,988 | medmcqa_train |
COWS is related to ? | Ans. is'b'i.e., Caloric testln bithermal caloric< test rCold water provokes nystagmus towards the opposite ear, while wann wotet grovolecs nystagmus towards sarne ear (COWS:- Cold - opposite, Warm - same). | 157,989 | medmcqa_train |
Pulmonary fibrosis is seen with : | Bleomycin is a marrow sparing drug but it causes pulmonary fibrosis and skin toxicity as adverse effects. Another anticancer drug causing pulmonary fibrosis is busulfan. | 157,990 | medmcqa_train |
Phocomelia is- | Ans. is 'a' i.e., Absent long bones 'Phacomelia' o Is a term applied to a marked reduction in the size of limbs The distal pa of the limbs are placed very near the trunk (absent long bones). o Seen in foetuses of mothers who recieved thalidomide during pregnancy. | 157,991 | medmcqa_train |
Cutaneous vasoconstriction is mediated by | Sympathetic noradrenergic division constricts the blood vessels of the skin(which limits bleeding from wounds). Ref: Ganong&;s review of medical physiology; 23rd edition; pg: 268. | 157,992 | medmcqa_train |
Which is an indicator of severe Ulcerative colitis? | (A) Blood in lumen on sigmoidoscopy # Severe Ulcerative collitis: Bowel movements >6 per day, Severe Blood in stool, Severe Fever 37.5C mean.Tachycardia >90 mean pulse, Anemia <75%, Sedimentation rate >30 mm, Endoscopic appearance Spontaneous bleeding, ulcerations.> Sigmoidoscopy is used to assess disease activity and ... | 157,993 | medmcqa_train |
Dilator pupillae is supplied by - | Dilator pupillae muscle is suppliedby the postganglionic fibers arising from the cervical sympathetic chain. ... Oculomotor nerve supplies the skeletal as well as the smooth muscles of the eyeball. It carries the pre-ganglionic fibers from the Edinger-Westphal to supply two smooth muscles in the eyeball Ref AK khurana ... | 157,994 | medmcqa_train |
Non-depolarizing blockade is potentiated by: | Neuromuscular-blocking drugs block neuromuscular transmission at the neuromuscular junction, causing paralysis of the affected skeletal muscles. This is accomplished either by acting presynaptically the inhibition of acetylcholine (ACh) synthesis or release or by acting postsynaptically at the acetylcholine receptors o... | 157,995 | medmcqa_train |
Refrigerated blood stored up to 48 hours before transfusion can destroy which of the following | Treponema pallidum is killed in 1 to 3 days at 0-4degrees centigrade, so transfusion syphilis can be prevented by storing blood in the refrigerator before transfusion Stored frozen at -70deg C in 10% glycerol, or in liquid nitrogen (-130 deg C), it remains ble for 10-15 years. Ref: Textbook of microbiology; Ananthanara... | 157,996 | medmcqa_train |
A 30-yebar old patient presented with features of acute meningoencephalitis in the casualty. His CSF on wet mount microscopy revealed motile unicellular microorganisms. The most likely organism is - | Naegleria fowleri, the only pathogenic species of naegleria Human infection comes from water containing the amoebae and usually follows swimming or diving in ponds. Patients are mostly previously healthy young adults or children. The amoebae invade the nasal mucosa, pass through the olfactory nerve branches in the crib... | 157,997 | medmcqa_train |
All of the following methods are used for the diagnosis of HIV infection in a 2 months old child, except: | HIV ELISA is required for detection of antibodies against the virus. The antibodies may be present in the infant because of maternal infection also because IgG antibodies can cross the placental barrier. So, this test is not reliable for diagnosis of HIV in a 2 month old child. HIV culture method is called as 'peripher... | 157,998 | medmcqa_train |
Usual sign of opioid withdrawal: PGI 13 | Ans. Yawning | 157,999 | medmcqa_train |
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