query stringlengths 1 1.57k | pos stringlengths 1 22.5k | idx int64 0 161k | task_name stringclasses 1
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Shoulder dystocia is suspected during a delivery after the delivery of the head, obstetrician asks the assistants to sharply flex the legs towards the abdomen. What is this maneuver? | The McRobes maneuverThe maneuver consists of removing the legs from the stirrups and sharply flexing the thighs up toward the abdomen. The procedure caused straightening of the sacrum relative to the lumbar veebrae, rotation of the symphysis pubis toward the maternal head, and a decrease in the angle of pelvic inclinat... | 155,900 | medmcqa_train |
Sclerostin is produced by? | Sclerostin (SOST) is a glycoprotein produced by osteocytes. They also synthesize receptor activator of nuclear factor kappa B ligand (RANKL). Both of these are involved in regulating bone formation and resorption. EXTRA EDGE: Romosozumab, a humanized monoclonal antibody that binds to sclerostin, prevents sclerostin fro... | 155,901 | medmcqa_train |
Which of the following is false about Digoxin | Refer kDT 7/e p516.. Medical useEdit Irregular heabeatEdit The most common indications for digoxin are atrial fibrillation and atrial flutter with rapid ventricular response, though beta blockers and/or calcium channel blockers are often preferred. There is tentative evidence that digoxin may increase the risk of death... | 155,902 | medmcqa_train |
Renal Cortical imaging is done by - | Ans. is 'b' i.e., DMSAo For imaging of renal cortex Tc-99m-DMS A is used,o Other three agents (of options) are used for dynamic renal scintigraphy.Renal scintigraphy1) Static renal scintigraphyFor static renal scintigraphy Tc - 99m - DMSA (Dimercaptosuccinic acid) is used. DMSA is cleared by renal tubules. When DMSA is... | 155,903 | medmcqa_train |
In liver, ethanol is conveed to ? | Ans. is 'c' i.e., Acetaldehyde | 155,904 | medmcqa_train |
All of the poisons caused uterine contractions EXCEPT: | ANSWER: (B) ArsenicREF: Forensic medicine and Toxicology by R N Karmakar 3rd edition page 230, Parikh 6th edition various pageABORTIFACI ENT DRUGS:EcbolicsIncreases uterine contractionErgot, Quinine, Pituitary extract, LeadEmmenagoguesIncreases menstrual flow (abortifacient in large repeated doses)Cantharides, Aloes, E... | 155,905 | medmcqa_train |
Treatment of thyroglossal cyst | Ans. (a) Sistrunk operation* Sistrunk operation: Excision of cyst and also full tract up to the foramen caecum is done along with removal of central part of the hyoid bone, as the tract passes through it.* Sistrunk operation is also named for Filarial leg surgery | 155,906 | medmcqa_train |
Metabolic abnormality seen in congenital hypertrophic pyloric stenosis is | Ans. is 'a' i.e. Hypochloremic hypokalemic metabolic alkalosis * Repeated vomiting leads to hypochloremic, hypokalemic metabolic alkalosis. The urine is alkaline initially but eventually it becomes acidic {paradoxical aciduria)Cause of paradoxical aciduria - Initially the kidney compensate for metabolic alkalosis by re... | 155,907 | medmcqa_train |
Spoke wheel calcification in an osteolytic lesion is seen in | Radiological findings in intraosseous hemangioma are : Prominent trabecular pattern Better visualization of thickened veical trabeculation: polka-dot appearance on axial images and corduroy sign on coronal and sagittal images. Lytic calvarial lesions with spoke-wheel appearance Irregular and lytic in long bones, with a... | 155,908 | medmcqa_train |
All of the following statements is/are true about post streptococcal glomerulonephritis except -a) Early treatment of streptococcal pharyngitis prevents glomerulonephritisb) All cases of streptococcal infection lead to glomerulonephritisc) Hump sign may be presentd) Immune complex deposits are seene) Commonly presents ... | There is no evidence to date that the early treatment of streptococcal disease, either pharyngitic or cellulitic, will alter the risk of PSGN.
Not all cases of streptococcal infection lead to glomerulonephritis. PSGN usually develops 1-3 weeks following acute infection with specific nephritogenic strains of group A bet... | 155,909 | medmcqa_train |
All of the following are risk factors for postoperative infection after hysterectomy except : | Ans. is b i.e. Use of blood transfusion Friends, let's discuss each option one by one. Urinary catheterization (Option 'a) It is very obvious that urinary catheterization for > 7 days will increase the chances of post operative infection. "Almost all nosocomial UT/ are associated with preceeding instrumentation and ind... | 155,910 | medmcqa_train |
Best time for diagnosing fetal abnormalities by USG: September 2009 | Ans. B: 13-19 weeks of pregnancy | 155,911 | medmcqa_train |
Collagen accumulated in space of Disse in case of liver cirrhosis are | In the normal liver, ECM consisting of interstitial collagens(fibril forming collagen types I, II, V and XI) is present only in the liver capsule, in poal tracts and around central veins. In cirrhosis, types I and III collagen and other ECM components are deposited in the space of disse. ROBBINS BASIC PATHOLOGY NINTH E... | 155,912 | medmcqa_train |
Which among the following decreases absorption of Iron from the intestine? | Coffee and tea consumption at the time of a meal can significantly decrease iron absorption (the polyphenols bind the iron). Excess consumption of high fiber foods or bran supplements (the phytates in such foods inhibit absorption) and high intake of calcium also decrease the iron absorption. Tetracyclines also decreas... | 155,913 | medmcqa_train |
True about obsession - compulsive disorder are A/E | C i.e. Egosyntonic- In OCD, the thought is egodystonic or egoalien (ie foreign to one's personality)(2; not ego syntonic - OCD is a neurosis, so insight is presentQ | 155,914 | medmcqa_train |
Moeller's glossitis is due to a | Atrophic glossitis. Atrophic glossitis, also known as bald tongue, smooth tongue, Hunter glossitis, Moeller glossitis, or Moller-Hunter glossitis, is a condition characterized by a smooth glossy tongue that is often tender/painful, caused by complete atrophy of the lingual papillae Ref Davidson 23rd edition pg 1036 | 155,915 | medmcqa_train |
This virus causes a mononucleosis-like syndrome caused by a latent herpesvirus; it is often a congenital infection. Large amounts of the virus are excreted in the urine; thus, urine becomes the fluid of choice for diagnosis of this disease. | Epstein-Barr virus (EBV) is a herpesvirus that causes a number of syndromes; the most common is infectious mononucleosis. It is a ubiquitous enveloped DNA virus. Only one serotype of EBV has been recognized, although molecular methods have reorganized a number of genotypes of EBV.Infectious mononucleosis is an acute di... | 155,916 | medmcqa_train |
In a patient presenting with abdominal trauma,fracture rib and bruise over left hypochondrium probable diagnosis is - | Ans. is 'c' i.e., Splenic rupture | 155,917 | medmcqa_train |
Most common cause of death in the age group of 1-4 years children is - | Most common cause of death of children in age group of 1-4yrs is infectionsREF. PARK'S TEXTBOOK OF PREVENTIVE AND SOCIAL MEDICAL 21ST EDITION. PAGE NO - 527 | 155,918 | medmcqa_train |
A previously healthy 6 weeks old female infant is found unresponsive in her crib. In the emergency department, she is notedto be well developed and well nourished with normal blood pressure and appearance of the genitalia but with increased pigmentation other skin. Blood glucose level is 30 mg/dl.. The most likely diag... | Ans. b. Familial glucocorticoid deficiency Hypoglycemia, hyperpigmentation with normal BP and normal genitalia in a child points towards Familial glucocorticoid deficiency.Familial Glucocorticoid Deficiency* Familial glucocorticoid deficiency is a rare autosomal recessive condition.* It is characterized by adrenal insu... | 155,919 | medmcqa_train |
Drug of choice for treatment of intrahepatic cholestasis in pregnancy is ? | Ursodeoxycholic acid decreases bile salt levels and relieves pruritus. It can also decrease the chance for fetal complications Ref : Dutta book of obstetrics 8th Ed | 155,920 | medmcqa_train |
Stellate Granuloma are seen in | Ans. (a) Cat scratch disease(Ref: Robbins 9th/98)Cat-scratch disease causes rounded or stellate granuloma containing central granular debris and recognizable neutrophils; giant cells | 155,921 | medmcqa_train |
All of the following are true about lymphoma of the thyroid except | Primary thyroid lymphoma diagnosis is considered in patients with a goiter, especially one that has apparently grown significantly in a sho period. Other initial symptoms include hoarseness, dysphagia, and fever. Rapid growth, nerve involvement may raise suspicion of anaplastic carcinoma Thyroid lymphoma occurs four ti... | 155,922 | medmcqa_train |
DOC in esophageal candidiasis in HIV- | Drug of choice for esophageal candidiasis is - Fluconazole oral or itraconazole solution. | 155,923 | medmcqa_train |
Supination in flexed elbow is produced by - | Ans. is 'b' i.e., Biceps MovementMuscles causing movementPronationPronator quadratus (strong pronator), Pronator teres (Rapid pronator).SupinationSupinator (when elbow is extended). Biceps (when elbow is flexed). | 155,924 | medmcqa_train |
Investigation of choice for solitary pulmonary nodule - | Ans. is 'b' i.e., CT ScanInvestigations of choice in respiratory systemDiseaseInvestigationo Intersitiai lung diseaseo BronchiectasisHRCTHRCT (1st choice)Bronchography (2nd choice)o Pulmonary embolismCT with i.v. Contrast (1st choice)V/Q scan (2nd choice)o Solitary' pulmonary noduleo Calcificationo Pulmonary malignancy... | 155,925 | medmcqa_train |
Bilateral proptosis and bilateral 6th nerve palsy in seen is: | In cavernous sinus thrombosis, there is bilateral orbital involvement whereas in orbital cellulitis, it is unilateral. | 155,926 | medmcqa_train |
If an anaesthetist at high altitude uses plenum vaporizers. It will deliver the vapour concentration – | Plenum vaporizer is typically set to deliver a 1-2 kPa partial pressure of anaesthetic agent. At sea level, where atmospheric pressure is around 100 kPa, this equates conveniently to a concentration of 1-2% of anaesthetic agent (1-2kPa out of 100 kPa).
At higher altitude, the atmospheric pressure is low (e.g. 75 kPa). ... | 155,927 | medmcqa_train |
Aificial bruises are produced by ? | Ans. is 'b' i.e., Marking nut Semicarpus anacardium (marking nut or bhilawanl Its seed are hea shaped, conical and black with acrid oily juice which is brownish but turns black on exposure to air. Active principles are semecarpol and bhilawanol. Juice applied to skin produces irritation, painful blisters followed by it... | 155,928 | medmcqa_train |
Which of the following does not cross the cell membrane : | A i.e. Glucose-6-phosphate Glucose-6-phosphate cannot cross the cell membrane unless it in conveed into Glucose by the enzyme - Glucose-6-phosphatase.QVon Gerkes disease in deficiency of Glucose-6-phosphatase leads to accumulation of glucose-6-phosphate (and hence glycogen in the liver). In the absence of this enzyme, ... | 155,929 | medmcqa_train |
To visualize vascular sling causing tracheal/external airway compression which of the following would you best prefer? | B i.e. MRI Vascular Rings Vascular rings is a condition in which an anomalous configuration of the arch and /or its associated vessels completely or incompletely surrounds the trachea & oesophagus causing compression of these structures. Neonates present with respiratory distress and older children present with stridor... | 155,930 | medmcqa_train |
According to WHO, MMR is | (B) Death after 42 days > Late maternal death: A late maternal death is the death of a woman from direct or indirect obstetric causes more than 42 days but less than one year after termination of pregnancy. | 155,931 | medmcqa_train |
Which of the following side effect is associated with Spironolactone | Spironolactone is an aldosterone antagonist that inhibits sodium resorption in the distal convoluted tubule of the kidney. Use of spironolactone may be limited by hyponatremia, hyperkalemia, and painful gynecomastia.If the gynecomastia is distressing, amiloride (5-40 mg/d) may be substituted for spironolactone.Referenc... | 155,932 | medmcqa_train |
Medical sociology deals with - | Medical sociology is a specialization within the field of sociology its main interest is in the study of health , health behaviour, and medical institutions ref ;(page no;670)23rd edition of PARK&;s textbook of Preventive and Social medicine | 155,933 | medmcqa_train |
Dosage of drug in child is calculated based on March 2013 | Ans. B i.e. Weight Drug dosage for children is calculated based on age and weight of the child. | 155,934 | medmcqa_train |
A 6 week old boy is brought to the Paediatrician in Kanpur. His parents repo that he has not had significant use of his right arm since bih. Bih history is significant for a prolonged labor with difficult breech delivery. On physical examination, his arm hangs at his side and is in a medially rotated position with the ... | This patient has an Erb-Duchenne palsy, which is the result of an injury to the superior trunks of the C5 and C6 nerve roots.The C8 and T1 nerve roots are injured in a Klumpke's paralysis.The other combinations all may be injured as a result of bih palsy, but do not have distinct syndromes associated with them. | 155,935 | medmcqa_train |
Gamma motor neurons are mainly influenced by | Gamma motor neurones are mainly influenced by rubrospinal tract Ref: guyton and hall textbook of medical physiology 12 edition page number:765,766,767 | 155,936 | medmcqa_train |
Pointing index in supracondylar fracture is due to which nerve injury? (D. REPEAT Feb 2014) | Ans: B (Anterior interosseous nerve) Ref: Apley's System of Orthopaedics and Fractures. 9th ed.Explanation:Complications of Supracondylar FracturesNerve injury - 7%.Vascular injury -1%.Most common nerve injured in extension type - Median, nerve especially anterior interosseous branch.Most common nerve injured in flexio... | 155,937 | medmcqa_train |
Mycosis fungoides is? - | Mycosis fungoides is a slowly evolving cutaneous T cell lymphoma occuring in middle aged adult males. The condition is often preceded by eczema or dermatitis for several years. This is followed by infilteration by CD4+T cells in the epidermis and dermis as a plaque. Reference ; HARSH MOHAN TEXTBOOK OF PATHOLOGY, 7TH ED... | 155,938 | medmcqa_train |
Which of the following prevents hyperextension of thigh | B. i.e. Iliofemoral ligament | 155,939 | medmcqa_train |
Which of the following statements about confidence limits/ interval is true- | . | 155,940 | medmcqa_train |
Avascular necrosis of femur head is due to which of the following aery? | Reticular aery branch of medial circumflex femoral aery supplies the head of femur. In case of femur neck fracture, this aery may be occluded leading to avascular necrosis of femur head. | 155,941 | medmcqa_train |
Following gene when mutated, protects tumor cells from Apoptosis | Ans. (a) BCL-2(Ref: Robbins 9th/pg 594-595)BCL2 antagonizes apoptosis and promotes survival of follicular lymphoma cells.BCL stands for 'B Cell Lymphoma' | 155,942 | medmcqa_train |
All of the following statements are true regarding the pudendal nerve, except: | Pudendal nerve leaves the pelvis, to enter the gluteal region, by passing through the lower pa of the greater sciatic foramen. Pudendal nerve leaves the gluteal region by passing through the lesser sciatic foramen and enters the pudendal canal, and by means of its branches supplies the external anal sphincter and muscl... | 155,943 | medmcqa_train |
Which of the following is the first fetal bone to ossify under normal circumstances? | Ans:B.)Clavicle.Assessment of Bone Age: BoneOssification CentresClavicle,Mandible and Membranous Bones of the Skull50 days to 5 months of GestationOs Calcis(Calcaneum) and Talus22-26 weeks of gestationDistal Epiphysis of Femur31-39 weeks of gestationProximal Epiphysis of Tibia34 weeks of gestation to 5th week post-nata... | 155,944 | medmcqa_train |
Best approach for surgical repair of the injury to abdominal aoa above the level of renal aery involving superior aery, celiac trunk, and the suprarenal branch: | Left medial visceral rotation exposes entire length of abdominal aoa, celiac axis, proximal pa of mesenteric aeries and proximal left renal aery. Maneuvers for Retroperitoneal Exposure Kocher&;s Maneuvre Extended Kocher&;s Maneuver Mattox Maneuver Cattel-Braasch Maneuver Surgical maneuver to expose structures in the re... | 155,945 | medmcqa_train |
In which one of the following conditions is sling operation done : | Nulliparous prolapse | 155,946 | medmcqa_train |
A 45 yr old lady presented with recurrent uterine bleeding. On transvaginal USG thickness of endometrium was found to be 8 mm. What should be the next step in the management of this patient ? | Ans. is 'a' i.e., Histopathology Uterine bleeding in a 45 year old may also occur due to endometrial carcinoma.Transvaginal ultrasound is used to assess the endometrial thickness.Endometrial thickness depends upon the stage of the menstrual cycle.Immediately after menstruation the endometrium is homogenous, 1-4 mm thic... | 155,947 | medmcqa_train |
Following drugs have abuse liability except - | SSRIs have no addictive property - do not produce dependence.
Opioids (Dihydroxy propoxyphene & buprenorphine) are highly addictive.
BZDs (Alprazolam) have some addictive property, but less than barbiturates | 155,948 | medmcqa_train |
In a pregnant woman with raised phenylalanine in blood, offspring is most likely to have: | Ans: a (Mental retardation) Ref: Nelson, 17th ed, 400; 18th ed, p. 531Question is about pregnancy with hyperphenylalaninimea.Pregnant women with hyperphenylalaninimea who are not receiving phenylalanine restricted diet cany a very high risk of having an offspring with mental retardation, microcephaly and congenital hea... | 155,949 | medmcqa_train |
Superior quadrantic hemianopia is caused by: | SUPERIOR QUADRANTANOPIA / PIE IN THE SKY - Inferior fibres are damaged - Inferior fibres pass through temporal lobe - ALL PIE IN THE SKY ARE SEEN IN OPPOSITE TEMPORAL LOBE LESIONS LESIONS Disc/optic nerve lesions Same sided monocular blindness Chiasmal lesions Bitemporal Hemianopia Optic tract lesions (mc) Incongruous ... | 155,950 | medmcqa_train |
A 17 year old girl presents with history of generalised abdominal pain, fever, recurrent vomiting. On examination, she has a temperature of 103degF, Right Iliac fossa tenderness, and WBC are 19600/mm' ? | Ans. is 'a' i.e., Ruptured appendicular abscess Abdominal pain and vomiting suggest the most likely diagnosis of appendicitis. High temp (103degF) and high WBC count suggest appendiceal rupture. Schwaz writes - "Rupture should be suspected in the presence of fever greater than 39degC (102degF) and a WBC count greater t... | 155,951 | medmcqa_train |
Drug not given with ketoconazole: | (Ref: Goodman & Gillman s 13th ed. P 90)The common antifungal agent ketoconazole is a potent inhibitor of CYP3A4Therefore coadministration of ketoconazole with other CYP3A4 inhibitors like anti-HIV drug viral protease inhibitors (ritonavir, indinavir), clarithromycin, itraconazole, nefazodone, and grapefruit juice redu... | 155,952 | medmcqa_train |
Which of the following immunoglobulin is a pentamer? | IgM Both secretory IgA (dimeric) and IgM (pentameric) have J chains IgM is the main immunoglobulin produced early in the primary immune response. IgM is present on the surface of viually all uncommitted B cells. It is a pentamer composed of five H,L, units (each similar to one IgG unit) and one molecule of J (joining) ... | 155,953 | medmcqa_train |
Which of the following is false about scapula? | The medial border is thin.it extends from the superior angle to the inferior angle. Reference BD chaurasia pageno : 9 , 6th edition. | 155,954 | medmcqa_train |
Recently approved drug for psychosis associated with Parkinsonism is? | Pimavanserin An inverse agonist at 5HT2A receptor Approved for psychosis associated parkinsonism | 155,955 | medmcqa_train |
In bacterial mRNA, Shane-Dalganro sequence is situated near which of the following codon? | Shine-Dalgarno sequence is apparently the eukaryotic small ribosomal subunit binds to the 5'end of a eukaryotic mRNA and scans along it until it encounters an AUG codon.They assist in aligning mRNA on the ribosomes. Ref: Biochemistry By Reginald Garrett, Charles M. Grisham, 2005 Page A 38 ; Biochemistry By J. Stenesh, ... | 155,956 | medmcqa_train |
A 30-year-old male had severely itchy papulo–vesicular lesions on extremities, knees, elbows and buttocks for one year. Immunofluorescence staining of the lesions showed IgA deposition at dermo-epidermal junction. The most probable diagnosis is – | Itchy papulovesicular lesions on extensor surfaces and deposition of IgA at DEJ suggests the diagnosis of dermatitis herpatiformis, which is associated with Coeliac disease | 155,957 | medmcqa_train |
At PHC level vaccine storage is by? | .ice lined refrigerators(ILR)are mkept at the PHC level.the cabinet temperature is maintained at 2 to 8 degree celsius.at the PHC level,ILR s are used to store all UIP vaccines.they are lined with tubes or ice packs filled with water which freezes and keeps the internal temperature at a safe level.</p><p>ref:park&;s te... | 155,958 | medmcqa_train |
Gunstock deformity is seen in | A most common complication of supracondylar fracture is malunion,
which further can lead to cubitus varus deformity.
This is because of the reason that fracture unites with the distal fragment tilted medially and in internal rotation.
This cubitus varus is usually termed as gunstock deformity.
Most common nerve damaged... | 155,959 | medmcqa_train |
Which of the following is mature defence mechanism? | Ans. b (Humor.) (Ref. Kaplan & Sadock's Synopsis of Psychiatry, 10th ed., p. 203. Table 6.1-3)COMMON FREUDIAN DEFENSE MECHANISMSDefence mechanismShort DefinitionImportant AssociationsProjectionAttibuting inner feelings to othersParanoid behaviorsDenialSaying it is not soSubstance abuse, reaction to deathSplittingThe wo... | 155,960 | medmcqa_train |
At what angle hallpike thermal calorie test is done | Dix Hillpike manoeuvre: Patient sits on a couch. Examiner holds the patient's head, turns it 45deg to the right and then places the patient in a supine position so that his head hangs 30deg below the horizontal. Patient's eyes are observed for nystagmus. The test is repeated with head turned to left and then again in s... | 155,961 | medmcqa_train |
All are true about rectal cancer except: | Ans. (c) Dissection lateral to endopelvic fascia investing the mesorectum causes local recurrence* Total mesorectal Excision (TME) provides least recurrence* Most common symptom is bleeding PR* Sigmoidoscopy is used to localize the tumor* RT given for ca rectum is 60 Gy. | 155,962 | medmcqa_train |
Hepatic secretory function is evaluated using | Answer- D. Prothrombin time (PT)The most widely used tests are those measuring the blood concentration of aspaate aminotransferase (AST) and alanine aminotransferase (ALT).Congulation proteins: The easiest way to estimate the concentration of the coagulation factors is by measuring the prothrombin time (PT), which is n... | 155,963 | medmcqa_train |
A person with AIDS related complex is most likely suffering from: | Ans. (a) Oppounistic infection Natural course of HIV infection can be divided into following stages: HIV infectioh. Seen in 30% of individuals within 3-6 weeks of infection. They present with low grade fever, headache, malaise some time with rash and ahropathy resembling glandular fever. Spontaneous rresolution occurs ... | 155,964 | medmcqa_train |
Not a muscle of Ist layer of foot | Flexor digitorum accessorius is a muscle of 2nd layer of foot | 155,965 | medmcqa_train |
Lesh Nyhan syndrome is associated with deficiency of | REF :DM VASUDEVAN TEXTBOOK :7th EDITION ;Page no :403 Disease deficient enzyme GPD Deficiency G6PD Gaucher's disease beta glucosidase Lesch-Nyhan syndrome HGPase | 155,966 | medmcqa_train |
Acantholysis is seen in all except ? | Ans. is 'D'.e., Bullous pemphigoid Acantholysis Separation of epidermal keratinocytes due to loss of intercellular bridge is referred to as acantholysis . Diseases causing acantholysis are : ? Pemphigus (Pemphigus vulgaris, P. vegetans, P.foilaceous, P. erythematosus) Eosinophilic spongiosis Darrier's disease Grover's ... | 155,967 | medmcqa_train |
Aldosterone synthesis is stimulated by which of the following? | Mineralocoicoid secretion is stimulated by hyperkalemia, angiotensin-H, ACTH and hyponatremia, in reducing order of efficacy. 1. Aldosterone secretion in response to hyperkalemia is the most impoant and forms the basis for renal regulation of body potassium balance. 2. Stimulation of aldosterone by angiotensin II (thro... | 155,968 | medmcqa_train |
A patient with an abdominal malignancy underwent procedure for celiac plexus block. Which of the following can be the most common complication in this patient? | The most common complication of celiac plexus block is postural hypotension, from block of the visceral sympathetic innervation and resultant vasodilation. For this reason, patients should be adequately hydrated intravenously prior to this block. Other complications include, Accidental intravascular injection into the ... | 155,969 | medmcqa_train |
Small bones are supplied by | Periosteal arteries
These are especially numerous beneath the muscular and ligamentous attachments.
They ramify beneath the periosteum and enter the Volkmann's canals to supply the outer 1/3 of the cortex.
In miniature long bones, the infection begins in the middle of the shaft rather than at the metaphysis becaus... | 155,970 | medmcqa_train |
The PEFR of a group of 11 year old girls follow a normal distrubution with mean 300 1/min and standard deviation 20 1/min - | 1 SD includes → 68% of values
2 SD includes → 95% of values
3 SD includes → 99.7% of values
In this question
Mean PEFR = 300 L/min
SD = 2 L/min
Area around 1SD on either side of mean (x ± 1SD) will include 68% of values, i.e.
x± 1SD=300±20
So, 68% of girls have PEFR between 280 & 320 L/min.
Area around 2SD on eithe... | 155,971 | medmcqa_train |
Which is predominant in normal healthyhuman ? | Ans. is 'b' i.e., LDH2 IsoenzymeSubmit compositionIssuePercentage in serrumLDH IHHHHMyocardium, RBC30LDH2HHHMMyocardium, RBC35LDH3HHMMBrain, Kidney20LDH4HMMMSkeletal muscle, Liver10LDH 5MMMMSkeletal muscle, Liver5 | 155,972 | medmcqa_train |
Which one of the following is the level of residual free chlorine recommended for swimming pool water disinfection? | Chlorination is the most widely used method of pool disinfection. Various workers have stated that continuous maintenance of 1mg/litre(1ppm) of free residual chlorine provides adequate protection against bacterial and viral agents. Park's Textbook of Preventive and Social Medicine, 25th edition, Page No. 788 | 155,973 | medmcqa_train |
Which of the following is not a source of Indoor air pollution? | Sources of Indoor air pollution: Indoor air pollutants Sources Respirable paicles Tobacco, smoke, stove, aerosols Carbon monoxide Combustion equipments, stove, gas, heaters Nitrogen dioxide Gas cookers, cigarettes Sulphur dioxide Coal combustion Carbon dioxide Combustion, respiration Formaldehyde Paicle board, carpet a... | 155,974 | medmcqa_train |
Which is the best fluid for resuscitation during shock state? | ANSWER: (A) CrystalloidsREF: Schwartz's Principles of Surgery 9th ed chapter 5"Fluid resuscitation is a major adjunct to physically controlling hemorrhage in patients with shock. The ideal type of fluid to be used continues to be debated; however, crystalloids continue to be the mainstay of fluid choice"Several studies... | 155,975 | medmcqa_train |
Commonest cause of hematogenous osteomyelitis: March 2011 | Ans. B: Staph. aureus Staphylococcus aureus is the commonest causative organism causing acute osteomyelitis Osteomyelitis: Earliest site of involvement in bone: Metaphysis Brodie's abscess: A static cavity remains in bone, without fuher enlargement. Blood culture are positive in 65% of cases Periosteal reaction may be ... | 155,976 | medmcqa_train |
Cardiac arrest developed due to local anaesthetic systemic absorption. All are management except- | Vasopressin not used Advanced Cardiac Life Suppo algorithms for cardiopulmonary resuscitation must be followed should cardiac arrest occur. Chest compressions should be initiated immediately and continued until return of spontaneous circulation. If epinephrine is used, small initial doses of <=1 ug[?]kg-1 are preferred... | 155,977 | medmcqa_train |
Pasteurised milk is tested by: | Ans: a (Phosphatase test) Ref; Park, 19 ed, p. 522Tests for pasteurised milk:Phosphatase testStandard plate countColiform countOTA test--for detection and estimation of free and combined chlorine in chlorinated water.Benzidine test--chemical test for the detection of blood stainParaffin test--detection of gun powder re... | 155,978 | medmcqa_train |
Serotonin is synthesized from- | Ans. is 'c' i.e., Tryptophan o Hvdroxytryptamine (serotonin) is synthesized from tryptophan. | 155,979 | medmcqa_train |
Hypoxic pulmonary vasoconstriction: | The great reduction in pulmonary vascular resistance during the transition from placental to normal respiration is largely brought about by the process of hypoxic pulmonary vasoconstriction. The other choices are incorrect because the PO2 of alveolar gas is much more impoant than the PO2 of mixed venous blood, CO2 upta... | 155,980 | medmcqa_train |
Alternative parenteral drug for multi drug resistant malaria is | Multidrug-resistant P. falciparum malaria : Either aemether-lumefantrinec (1.5/9 mg/kg bid for 3 days with food) or Aesunatec (4 mg/kg qd for 3 days) plus Mefloquine (25 mg of base/kg--either 8 mg/kg qd for 3 days or 15 mg/kg on day 2 and then 10 mg/kg on day 3) Aemisinin and derivatives (aemether, aesunate) : Good ora... | 155,981 | medmcqa_train |
An enzyme produced by Staphylococcus aureus that dissolves fibrin clots is: | Pathogenic bacteria release exoenzymes that increase their ability to invade body tissue. These include coagulase, kinases, lipase, hyaluronidase, and collagenase. All Staphylococci produce catalase, an enzyme responsible for conversion of toxic hydrogen peroxide to water and oxygen which accumulates during bacterial m... | 155,982 | medmcqa_train |
Curie is a unit of- | Ans. is 'a' i.e. Radioactivity * Old unit of radioactivity is Curie and new unit (SI) is Becquerel.* Old unit of radiation exposure is Roentegn and new unit (SI) is Columb/cmQuantity measuredOld unitNew (SI)unit RadioactivityCurieBecquerel1 curie = 3.7 x 101 becquerel -2.7 x 10Radiation exposureRoentgenColumb/cm Absorb... | 155,983 | medmcqa_train |
The % of coincidence between sore throat and acute rheumatic fever is - | Ans. is 'a' i.e., 3% Only a small propoion of patients with streptococcal pharyngeal infection develops Rheumatic fever. Attack rate is less than 3% | 155,984 | medmcqa_train |
Major Disadvantage of peripheral line is | Ref: Bailey and love 27th edition Pg no :287 | 155,985 | medmcqa_train |
Not true about angioneurotic edema - | Angioedema is an area of swelling of the lower layer of skin and tissue just under the skin or mucous membranes.The swelling may occur in the face, tongue, larynx, abdomen, or arms and legs.Often it is associated with hives, which are swelling within the upper skin.Onset is typically over minutes to hours The underlyin... | 155,986 | medmcqa_train |
An 10 month-old baby is brought to the pediatric clinic with symptoms of diarrhea, hair loss and failure to thrive. On clinical examination, there is inflammation of the skin around the mouth and the perianal region. The mineral deficiency responsible for this disease is a cofactor for all of the following enzymes exce... | The above features, strongly suggest a diagnosis of Acrodermatitis enteropathica which is due the deficiency is of zinc and it is a cofactor for Lactate dehydrogenase. It is an autosomal recessive disease due to a defect in zinc absorbing transmembrane protein. Symptoms: Growth retardation Diarrhea Alopecia Dermatitis ... | 155,987 | medmcqa_train |
Paralysis of 3rd, 4th, 6th, nerves with involvement of ophthalmic division of 5th nerve, localizes the lesion to - | Cavernous sinus lesions may be associated with paralysis of 3rd, 4th, 5th (ophthalmic and maxillary divisions) and 6th nerve on account of its characteristic relations. | 155,988 | medmcqa_train |
Locally invasive gastric carcinoma. Investigation of choice to know depth of cancer invasion: | The best way to stage the tumor locally is EUS, which gives fairly accurate (80%) information about the depth of tumor penetration into the gastric wall, and can show enlarged (>5mm) perigastric and celiac lymph nodes | 155,989 | medmcqa_train |
In presence of unusually high outliers, preferred measure of central tendency is: | The mean is vitiated due to presence of outliers. Outliers are unusually high or unusually low values that do not go with other values. Whenever such values are present, mean is not a good choice. In such cases, the median is used as it is not really affected by unusually high or low values. Ref: Medical biostatistics,... | 155,990 | medmcqa_train |
Lady with central obesity & abd. Skin showing purple striae- | centripetal obesity, and broad violaceous cutaneous striae in abdomen classical presentation of Cushing's syndrome ( Harrison 17 pg 2255) | 155,991 | medmcqa_train |
Which of the following is used for staging of CKD? | e-GFR and albuminuria- used for staging of CKD | 155,992 | medmcqa_train |
Long acting barbiturate is ? | Ans. is 'c' i.e., Phenobarbitone Long acting barbiturates -4 Phenobarbitone, Mephobarbitone. Sho acting barbiturates-4 Butobarbitone, secobarbitone, Pentobarbitone. Ultrasho acting -4 Thiopentone, Methohexitone, Hexobarbitone. | 155,993 | medmcqa_train |
Which of the following enzymes is stable at acidic pH | Optimum pH for Pepsin- 1.6-3.2 | 155,994 | medmcqa_train |
In irreversible pulpitis, pain in which of the following sites is most likely to radiate to the ear? | Mandibular molar. The perception of pain in one part of the body that is distant from the actual source of the pain is known as referred pain. Teeth may refer pain to other areas of the head and neck. Referred pain is usually provoked by stimulation of pulpal C-fibers, the slow conducting nerves that, when stimulated, ... | 155,995 | medmcqa_train |
Treatment of choice in SSPE is | . | 155,996 | medmcqa_train |
Chemoprophylaxis of chloroquine includes - | - Chemoprophylaxis is recommended for travellers from non endemic areas to highly endemic areas of malaria. - chloroquine tablet for chemoprophylaxis in adults include a dose of 300 mg base once a week on the same day each week. Reference : Park's textbook of preventive and social medicine, 23rd edition, pg no:268 <\p> | 155,997 | medmcqa_train |
Common precursor of mineralocorticoid, glucocorticoids and sex steroids: | Ans. (a) Pregnenolone(Ref: Ganong, 25th ed/p.362)Adrenal steroid hormones are derived from cholesterolIn the mitochondria, cholesterol is converted to pregnenolone by cholesterol desmolase, also called as side- chain cleavage enzyme | 155,998 | medmcqa_train |
Nerve supply to musculature of urinary bladder is ? | Ans. is 'c' i.e., BothParasympathetic supply is motor to detrusor muscle and inhibitory to sphinchter vesicae. Sympathetic supply is motor to sphincter vesicae and inhibitory to detrusor muscle.Nerve supply of bladderBladder is supplied by both sympathetic and parasympathetic fibers.Parasympathetic : Preganglionic fibe... | 155,999 | medmcqa_train |
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