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A female wanted to have an emergency contraception after an unprotected intercourse. Which of these is NOT useful as an emergency contraceptive? | Post coital or emergency contraceptives are, Ethinyl oestradiol Conjugated estrogen Ethinyl oestradiol + Norgestrel Levonorgestrel Mifepristone Copper IUDs Ref: Textbook of Obstetrics by D.C. Dutta, 6th edition, Page 550. | 1,800 | medmcqa_train |
A characteristic feature of Still's disease - | Stills disease is a variant of rheumatoid commonly occurring in adults in 20's and 30's.
Patients characteristics clinical features are:
High spiking fever often up to 40°C.
Sore throat
Evanescent salmon coloured non pruritic rash, seen on chest & abdomen
Lymphadenopathy
Pericardial effusion
Wrist joint involvement
... | 1,801 | medmcqa_train |
Which of the following is false regarding endemic bladder stones? | PRIMARY BLADDER CALCULI (ENDEMIC BLADDER CALCULI) Mainly seen in underdeveloped countries (Noh Africa, Thailand, Myanmar, Indonesia), in pediatric age group. Most common in children <10 Years, with a peak incidence at 2 to 4 years of age. Related to chronic dehydration and low protein, low phosphate, exclusive milk & h... | 1,802 | medmcqa_train |
Which of the following is present normally in the urine of a pregnant women in the third trimester and lactation? | Glucosuria during pregnancy is not necessarily abnormal. The appreciable increase in glomerular filtration, together with impaired tubular reabsorptive capacity for filtered glucose, accounts in most cases for glucosuria. Though glucosuria is common during pregnancy, the possibility of diabetes mellitus should not be I... | 1,803 | medmcqa_train |
All are major symptoms of sinusitis except ? | Ans. is 'd' i.e., Halitosis The clinical symptoms of acute sinusitis have been classified into major and minor Major Facial pain or pressure Purulent nasal discharge Fever Nasal congestion Nasal obstruction Hyposmia or Anosmia Facial congestion or fullness Minor Headache Cough Fatigue Halitosis Dental pain Ear pain or ... | 1,804 | medmcqa_train |
Which of the following is the most widespread method of genetic transfer among bacteria? | Option a, b, c, d * There are three mechanisms of horizontal gene transfer in bacteria:- 1.Transformation 2. Transduction 3. Conjugation (Most common mechanism), It was discovered first by Lederberg and Tatum. * Conjugation plays an impoant role in the transfer of plasmids coding for antibacterial drug resistance and b... | 1,805 | medmcqa_train |
Which of the following is not an inflammatory mediator | steps: (1) migration and proliferation of fibroblasts into the site of injury and (2) deposition of ECM proteins produced by these cells. The recruitment and activation of fibroblasts to syn- thesize connective tissue proteins are driven by many growth factors, including PDGF, FGF-2 (described earlier), and TGF-b. The ... | 1,806 | medmcqa_train |
A drug given for metoclopramide induced dystonic reaction is : | "Acute muscle dystonia caused by antiemetic-antipsychotic drugs is promptly relieved by parenteral promethazine or hydroxyzine." This is based on the central anticholinergic action of the drugs.
Promethazine is a first-generation anti-histaminic which has a maximum penetration of blood-brain barrier and maximum antich... | 1,807 | medmcqa_train |
Compared with cow's milk, mother's milk has more? | Mother's milk has more lactose as compared to cow's milk. | 1,808 | medmcqa_train |
A man presented with persistent ear pain and discharge, retro-orbital pain and modified radical mastoidectomy was done to him. Patient comes back with persistent discharge, what is your diagnosis? | In a patient with CSOM, persistent ear discharge with or without deep seated pain in spite of an adequate coical or modified mastoidectomy points towards petrositis. Spread of infection from middle ear and mastoid to the petrous pa of temporal bone is petrositis it can also involve adjacent 5th cranial nerve and 6" cra... | 1,809 | medmcqa_train |
Child presents with linear verrucous plaques on the trunk with vacuolisation of keratinocytes in S.Spinosum and S.Granulosum. Diagnosis is ? | Verrucuous epidermal nevus Linear verrucuous lesions, with characteristic histopathological feature of granular degeneration of the epidermis ours the diagnosis of verrucous epidermal nevus. Epidermal nevus Epidermal nevi are hamaomas that are characterized by hyperplasia of the epidermis and adnexal structures. These ... | 1,810 | medmcqa_train |
Best test to detect pneumoperitoneum is: | X-ray abdomen in lateral decubitus | 1,811 | medmcqa_train |
In the intraepthielial region of the mucosa of intestine the predominant cell population is that of | IEL are6 a distinctive population of T cells dispersed among the luminal epithelial cells. paicularly in the small intestine there is a predominantly of CD8+T cells | 1,812 | medmcqa_train |
Terry Thomas sign is seen in | scapholunate dislocation : * Most common ligamentous instability of the wrist * Patients may have high degree of pain despite apparently normal radiographs * Physicians should suspect this injury if patient has wrist effusion and pain seemingly out of propoion to the injury * If improperly diagnosed can lead to chronic... | 1,813 | medmcqa_train |
The basic reason for "reperfusion injury" to the myocardium is: | After MI, there is failure of Na+-K+ pump resulting in NCX failure Thus intracellular Ca+2 increases Now when perfusion is established (nutrients are available), because of increased ICF Ca+2, cardiac fibers contract very strongly Already muscle fibers are fragile due to M.I, now this contraction results in fuher damag... | 1,814 | medmcqa_train |
A 5-year-old girl is brought to the physician after her parents noticed red blood in her stool. Physical examination reveals mucocutaneous pigmentation. Small bowel radiography discloses multiple, small- to medium-sized polyps that are diagnosed pathologically as hamartomas. Which of the following is the most likely di... | Peutz-Jeghers syndrome is an autosomal dominant, hereditary disorder characterized by intestinal hamartomatous polyps and mucocutaneous melanin pigmentation, which is particularly evident on the face, buccal mucosa, hands, feet, and perianal and genital regions. The polyps seen in Peutz-Jeghers syndrome are hamartomato... | 1,815 | medmcqa_train |
First indices to change in iron deficiency anemia is - | The single most sensitive tool for evaluating the iron status is by measurement of serum ferritin. Hemoglobin concentration is relatively insensitive. REF. PARK'S TEXTBOOK OF PREVENTIVE AND SOCIAL MEDICAL 21ST EDITION. PAGE NO - 623 | 1,816 | medmcqa_train |
Which of the following is associated with the disease pathology seen in this child? | Child with right sided po-wine stain- seen in sturge weber syndrome. Features of sturge weber syndrome: S- Seizure T- Trigeminal distribution of po wine stain U- Unilateral weakness R- Retardation( mental retardation) G-Glaucoma E- Buphthalamos here, glaucoma is associated with surface ocular vascular malformations . | 1,817 | medmcqa_train |
Patient came with hydrops and scarring of cornea. What would be the treatment modality you would opt for him: | Penetrating keratoplasty has to be done in cases of deep corneal scar or hydrops. SURGICAL MODALITIES FOR KERATOCONUS Keratoplasty for Keratoconus DALK (deep anterior Lamellar keratoplasty): when > 1/2 of stroma is involved. ALTK (Anterior lamellar therapeutic keratoplasty) : When less than 1/2 of stroma is involved. P... | 1,818 | medmcqa_train |
Incubation period of Mumps - | Incubation period of mumps varies from 2 to 4 weks, usually 14- 18 days Reference : Park&;s Textbook of preventive and social medicine, 24th edition.Pg no.162 | 1,819 | medmcqa_train |
Drainage of venous blood from testes following division of testicular vein for treatment of varicocele is by: March 2009 | Ans. A: Cremasteric veinVaricocelectomy, the surgical correction of a varicocele, is performed on an outpatient basis.The three most common approaches are inguinal (groin), retroperitoneal (abdominal), and infrainguinal/subinguinal (below the groin).Possible complications of this procedure include hematoma (bleeding in... | 1,820 | medmcqa_train |
In Moore's classification of omphalocole (examphalos), type I umbilical defect is less than ________ cm. | Moore suggested a classification of omphalocele into types 1, 2 and 3 with the diameters of < 2.5 cm, 2.5 to 5 cm and > 5 cm respectively. | 1,821 | medmcqa_train |
Lyme disease is transmitted by - | Hard ticks transmit the following disease Tick typhus Viral encephalitis Viral fever Viral hemorrhagic fever Tularemia KFD Tick paralysis Human babesiosis Soft tick transmits Q fever Relapsing fever KFD(outside India) Park's Textbook of Preventive and Social Medicine, 25th edition, Page No. 840 | 1,822 | medmcqa_train |
A 35-year-old woman, on hemodialysis for chronic renal disease, complains of pain in the hands. On examination, the joints are normal with no inflammation or tenderness on palpation. Lab values reveal a low calcium, high phosphate, and high PTH level. What is the most likely diagnosis? (See Figure below.) | The diagnosis is secondary hyperparathyroidism as a consequence of the chronic renal disease. Calcium deposits are seen in the periarticular areas of the fourth and fifth metacarpophalangeal, third proximal interphalangeal, and fourth distal interphalangeal joints. There is slight soft tissue swelling, especially, of t... | 1,823 | medmcqa_train |
Emphysema aquosum is associated with? | Emphysema aquosum is a sign of wet drowning. Drowning fluid actually penetrates alveolar walls to enter the tissues and the blood vessels. This has been described as emphysema aquosum. Cause of death in wet drowning: Disruption of pulmonary surfactant Dry drowning: Water does not enter the lungs, but death results from... | 1,824 | medmcqa_train |
Fosphenytoin different from phenytoin in which of the following- | Ans. is 'b' i.e., Can be mixed with saline o While phenytoin cannot be injected in a drip of glucose solution, fosphenytoin can be injected with saline and glucose. | 1,825 | medmcqa_train |
Macrocytic anemia is seen in all EXCEPT - | Robbins basic pathology 8th edition, page no 423, Answer is option3, post hemorrhagic anemia Post Hemorrhagic anemia is normocytic and normochromic. With chronic blood loss, iron stores are gradually depleted. Iron is essential for hemoglobin synthesis and effective eeythropoiesis, and it's deficiency thus leads to chr... | 1,826 | medmcqa_train |
Chyluria is due to- | The most common presentations of the lymphatic filariases are asymptomatic (or subclinical) microfilaremia, hydrocele , acute adenolymphangitis (ADL), and chronic lymphatic disease. If there is obstruction of the retroperitoneal lymphatics, increased renal lymphatic pressure leads to rupture of the renal lymphatics and... | 1,827 | medmcqa_train |
Which of the following is true about pathophysiology of skeletal fluorosis? | Fluorosis: Excessive deposition of fluorine occurs in bone and soft tissues. Fluorine stimulates osteoblastic activityand fluoroappatite crystals are laid down in bone which are resistant to osteoclastic resorption. This leads to calcium retention, impaired mineralization and secondary hyperparathyroidism. Interosseous... | 1,828 | medmcqa_train |
Patient is on Autocoids for 1 year now complains of severe pain Epigastrium relieved by antacid drugs. He complaints of Right Iliac fossa pain and loss of liver dullness. Diagnosis is: | Ans. (a) Perforation of duodenum* This is a clear-cut case of drug induced ulcer and perforation - Duodenal ulcer perforation* Features are diffuse abdominal pain with right iliac fossa pain due to tracking of pus in right colic gutter - Valentino Syndrome* Obliteration of liver dullness* Board like rigidity | 1,829 | medmcqa_train |
Upon contact between the sperm head and the zona pellucida, penetration of the sperm into the egg is allowed because of | . | 1,830 | medmcqa_train |
A person switches from high fat diet to low fat diet with compensatory increase in carbohydrates to maintain the same calories. Which of the following fat component will be increased ? | As excess of carbohydrates are conveed to fat in the body (liver) which eventually gets packed into VLDL so, VLDL represents the amount of fat production in the body, or in other words, it also represent excess dietary carbohydrate intake. While Chylomicrons represents the externally taken fats. Function Lipoproteins L... | 1,831 | medmcqa_train |
G-cells are present mostly in- G-cells are present mostly in- | Ans. is 'c' i.e., Pyloric antrum | 1,832 | medmcqa_train |
Which type of cells are prominently infiltrated in Rheumatoid arthritis? | (B) T-cells[?]Role of T cells in RAoProminent T-cell infiltrate in RA synoviumoGenetic similarities between RA patients-Specific human leukocyte antigen (HLA)-DR genes - HLA DR4, DR14 and DR1oShared Epitope: The third hypervariable region of DR b chains, especially amino acids 70 through 74.oCD4+ T helper (Th) cells ma... | 1,833 | medmcqa_train |
Most common cause of isolated splenic metastasis is: | Causes of isolated splenic metastasis: Carcinoma Ovary (27%) > Colorectal carcinoma (26%) > Uterine cancer (17%) MC primary for metastasis of spleen: Malignant melanoma (30-50%) > Ca Breast (21%) > Ca lung (18%) | 1,834 | medmcqa_train |
Cellular oxidation is inhibited by : | A i.e. Cyanide | 1,835 | medmcqa_train |
Which of the following includes the contents of the orbit | Content of Orbit:
Eyeball - Eyeball occupies anterior 1/3rd of orbit.
Fascia - Orbital and bulbar fascia.
Muscles - Extraocular and intraocular muscles.
Vessels - Ophthalmic artery, superior and inferior ophthalmic veins and lymphatics.
Nerves - Optic, oculomotor, trochlear and abducent, branches of ophthalmic and max... | 1,836 | medmcqa_train |
Pulse pressure in severe aoic regurgitation is equal to- | Therefore, a defining characteristic of aoic regurgitation is an increase in aoic pulse pressure (systolic minus diastolic pressure). ... Early in the course of regurgitant aoic valve disease, there is a large increase in left ventricular end-diastolic pressure and left atrial pressure.pulse pressure usually between 75... | 1,837 | medmcqa_train |
Transplacental exchanges that take place are essential to the well being of the fetus. Which of those listed below is NOT a method? | Placental exchanges that take place occur according to different mechanisms. Simple diffusion is the movement of molecules of gas and water from a high concentration to a low concentration. Iodine readily crosses the placental barrier. Active transpo is another method. This method transpos specific molecules across a m... | 1,838 | medmcqa_train |
Superficial inguinal lymph nodes drain from all of the following except: | Superficial Inguinal Lymph NodesThe horizontal groupThe medial members of the group receive superficial lymph vessels from the anterior abdominal wall below the level of the umbilicus and from the perineum. The lymph vessels from the urethra, the external genitalia of both sexes (but not the testes), and the lower half... | 1,839 | medmcqa_train |
Which of the following anticancer drug can cause flagellated dermatitis? | FLAGELLATED DERMATITIS: It is characterised by pruritic, erythematous, linear streaks that resemble whiplash marks, hence the name flagellated. Bleomycin is metabolized by an enzyme hydrolase. This enzyme is deficient in skin and lungs. Therefore, the major adverse effects of bleomycin is related to skin (flagellated d... | 1,840 | medmcqa_train |
The commonest cranial nerve involved in acoustic neuroma is: | As the eighth nerve schwannoma grows, it extends into the posterior fossa to occupy the angle between the cerebellum and pons (cerebellopontine angle). In this lateral position, it is so situated as to compress the seventh, fifth, and less often the ninth and tenth cranial nerves, which are implicated in various combin... | 1,841 | medmcqa_train |
The first case introduced into the population group to be studied is called: | Ans: b (Primary case) Ref: Park, 19th ed, p. 90The term primary case refers to the first case of a communicable disease introduced into the population unit being studied.The term index case refers to the first case to come to the attention of the investigator; it is not always the primary case. Secondary cases are thos... | 1,842 | medmcqa_train |
Long thyroid stimulating agent is | Answer is option 2, antibody to thyroid receptors. Thyrotropin receptor (TSHR) antibodies that stimulate the thyroid (TSAb) cause Graves' hypehyroidism and TSHR antibodies which block thyrotropin action (TBAb) are occasionally responsible for hypothyroidism. Unusual patients switch from TSAb to TBAb (or vice versa) wit... | 1,843 | medmcqa_train |
Pungent volatile anesthetic agents are: | B i.e. Isoflurane | 1,844 | medmcqa_train |
What are the minimum and maximum possible values of Glasgow Coma Score? | Ans. a. Minimum = 3. Maximum = 15 (Ref: Harrison 19/e p1730, 18/e p3381-3382; Sabiston 19/e p1894; Schwartz 9/e p1522; Bailey 26/e p312. 25/e p301. 302)In Glasgow Coma Scale (GCS). maximum score is 15 and minimum score is 3.Glasgow Coma Scale (GCS)Eye OpeningVerbal responseBest Motor responseSpontaneous4Oriented5Obeys ... | 1,845 | medmcqa_train |
Iron is absorbed in: March 2012 | Ans: B i.e. DuodenumSite of absorptionStomach is the site of absorption of water and alcoholDuodenum is the site of absorption of iron and calciumIleum is the site of absorption of vitamin B12 and bile salt | 1,846 | medmcqa_train |
Falanga is - | Ans. is 'b' i.e., Beating of feet * Beating may be of following types -i) Falanga (Falolka/Baatinada) : Beating of soles of feet with blunt object.ii) Telefono : Simultaneous beating of both ears with palms.iii) Quirofana : Beating on abdomen while upper half of body lying unsupported on table. | 1,847 | medmcqa_train |
Cognitive model of depression is given by ? | Beck Cognitive therapy is a psychotherapy developed by American pyschiatrist Aaron T. Beck. Cognitive therapy is one of the therapeutic approaches within the larger group of cognitive behavioural therapies. Cognitive therapy seeks to help the client overcome difficulties by identifying and changing dysfunctional thinki... | 1,848 | medmcqa_train |
A 22 years old man presents with a solitary 2 cm space occupying lesion of mixed echogenecity in the right lobe of the liver on USG. The rest of the liver is normal. Which of the following test should be done next? | MRI as the diagnostic test of choice for hepatic hemangioma at most centers. Nuclear medicine studies may be used to confirm the diagnosis when a probable hemangioma is detected on ultra-sonography. Nuclear medicine studies may also help to clarify the nature of a lesion when the diagnosis is equivocal on CT or MRI. Pe... | 1,849 | medmcqa_train |
Dye used for myelography | contrast agents used for myelography are : Iohexol Iopamidol Metrizamide Myodil | 1,850 | medmcqa_train |
Which is NOT pyrogenic Interleukin | (C) IL-4 # Pyrogenic cytokines: Known pyrogenic cytokines include IL-1, IL-6, TNF, ciliary neurotropic factor (CNTF), and interferon (INF)a. Others probably exist; although IL-18 - a membrane of the IL-1 family - does not appear to be pyrogenic cytokine. Each cytokine is encoded by a separate gene, and each pyrogenic c... | 1,851 | medmcqa_train |
A 45-year old male presented with severe respiratory distress. O/E he had pedal edema, bilateral crepitation on auscultation. He was admitted to emergency department and expired 2 days of admission. Lung biopsy done suggested the following. What is your diagnosis? | Ans. (d) Heart failure cellsThe lung biopsy shows intra-alveolar transudate granular pale pink material along with alveolar micro-hemorrhages & hemosiderin-laden macrophages ("heart failure" cells) seen in left-sided congestive heart failure. | 1,852 | medmcqa_train |
Murder is.............. offence. | Ans: (a) Cognizable, non-compoundable and non-bailableRef: The First Schedule, Classification of Offences, Indian Penal CodeCognizable offencesCognizable offences are more serious crimes wherein police can arrest the suspect without any warrant.Ex. rape, murder, ragging, dowry death etc.Compoundable offencesCompoundabl... | 1,853 | medmcqa_train |
In stage III ovarian cancer patient with upper abdominal disease < 5cm, management of choice is | Management of Advanced stage diseaseIncludes stage III and IVDebulking surgery versus neoadjuvant chemotherapy followed by Postoperative chemotherapyPrimary cytoreduction surgery is the preferred in1. Retroperitoneal only disease preoperatively 2. Patients with stage IIIC or IV disease with good performance status who ... | 1,854 | medmcqa_train |
Which of the following diseases of the skin is the most
likely to be associated with partial anodontia? | Ectodermal dysplasia is characterized by congenital dysplasia of ectodermaL structures, manifested as hypohidrosis (partial or complete absence of sweat glands) hypotrichosis and hypodontia or partial anodontia.
Two types
Hypohidrotic (Christ-Siemens-Touraine syndrome) most common type and includes dental manifestatio... | 1,855 | medmcqa_train |
Early neonatal sepsis occurs within (hours) - | Ans. is 'd' i.e., 72 hours | 1,856 | medmcqa_train |
All the following are features of Tropical pulmonary eosinophilia except | In TPE Microfilaria are rapidly cleared from blood stream by the lungs . Thus, Microfilaria are sequestrated in the lungs . Ref Harrison 19th edition pg 1686-87 | 1,857 | medmcqa_train |
Feilization occurs in which pa of the fallopian tube | REF : DUTTA OBG 9TH ED | 1,858 | medmcqa_train |
Naturally occurring LA – | Cocaine is the only naturally occuring local anaesthetic, obtained from leaves of Erythroxylon coca. | 1,859 | medmcqa_train |
The dangerous paicle size causing pneumoconiosis varies from ? | Ans. is 'd' i.e., 1-5 m Pneumoconiosis o Pneumoconiosis is an occupational lung disease caused by the inhalation of dust. o The development of pneumoconiosis depends on - (i) The amount of dust retained in the lungs and airways. (ii) The size, shape of the paicles --> The most dangerous paicle ranges from Ito 5 m in di... | 1,860 | medmcqa_train |
An 6 cm simple ovarian cyst was identified in late pregnancy, what would be the best management ?: | Treatment of ovarian tumour in pregnancy depending on time of pregnancy: During pregnancy In an uncomplicated case, the best time of elective operation is b/w 14-18wks as chances of aboion are less and access to the pedicle is easy. But if the tumour is diagnosed beyond 36 weeks, tumour is removed early in puerperium. ... | 1,861 | medmcqa_train |
Neovascularisation is seen in | A i.e. Central vein obstruction | 1,862 | medmcqa_train |
A person present with cribriform plate fracture with CSF rhinorrhea. What will be immediate treatment? | TREATMENT OF CSF RHINORRHEA Early cases of post-traumatic CSF rhinorrhoea can be managed by conservative measures such as bed rest, elevating the head of the bed, stool softeners, and avoidance of nose blowing, sneezing and straining. Prophylactic antibiotics can be used to prevent meningitis. Acetazolamide decreases C... | 1,863 | medmcqa_train |
A 60 yr old female with I-1/0 8 blood transfusion in 2 years. Her Hb- 60g/L, TLC-5800, platelet-3.4 lakhs, MCV 60, RBC-2.1 lakhs/mm3. He is having hypochromic microcytic anemia. Which investigation is not needed aEUR' | Evaluation for pulmonary hemosiderosis Anemia with low RBC count, microcytotosis and hypochromia point towards iron deficiency anemia. - "Bone marrow biopsy" in iron deficiency anemia demonstrates erythroid hyperplasia and micronormoblasts reaction. - Prussian blue staining of the bone marrow aspirate and smear and bio... | 1,864 | medmcqa_train |
Nitrates are not used in - | Ans. is 'c' i.e., Renal colic Uses of nitrates Angina pectoris MI CHF and acute LVF --> nitroglycerine i.v. can be used Act by decreasing preload (LV filling pressure). Biliary colic and esophageal spasm (achalasia cardia) Acute coronary syndrome (unstable angina and non-ST segment elevation Ml). Cyanide poisoning | 1,865 | medmcqa_train |
Natural uncoupler is- | Ans. is 'a' i.e., Thermogenin o Amongst the given options, a, b and c are uncouplers. o However, only thermogenin, among these three is a natural (physiological) uncoupler. Uncouples o As the name suggests, these compounds block the coupling of oxidation with phosphorylation. These compounds allow the transfer or reduc... | 1,866 | medmcqa_train |
All of the following statements about hairy cell leukemia are true except: | Hairy cell leukemia is a type of B-cell leukemia. Clinical feature: Massive splenomegaly Increase chances of infections DIAGNOSIS 1. BLOOD Pancytopenia Phase contrast microscopy- Hairy projections Staining- TRAP 2. Immunophenotyping CD11 + CD25+ CD103 + Annexin A1 + ( Best marker) 3.BM examination BM aspiration - Dry t... | 1,867 | medmcqa_train |
A decrease in which of the following parameters will shift the O2 dissociation curve to the right? | Left shift (high affinity for O2) Right shift (low affinity for O2) Temperature decrease increase 2.3-DPG decrease increase p(CO2) decrease increase p(CO) increase decrease pH (Bohr effect) increase (alkalosis) decrease (acidosis) Type of haemoglobin Fetal haemoglobin Adult haemoglobin | 1,868 | medmcqa_train |
Kussumauls breathing | Rapid,deep(Kussmaul) breathing usually implies metabolic acidosis but may also occur with pontomesencephalic lesions. Ref:Harrison's medicine -18th edition,page no:2251. | 1,869 | medmcqa_train |
Dislocation of lens is seen in: | C i.e. Homocystinuria | 1,870 | medmcqa_train |
Which of the following is not a prodrug- | Ans. is 'd' i.e., Diazepam Prodrug o Few drugs are inactive as such and need conversion in the body to one or more active metabolites. Such a drug is called a prodrug. Prodrug Levodopa Enalapril - Methyldopa Chloralhydrate Dipivefrine Oxcarbazepine Prednisone Bacampicillin Sulfasalazine Cyclophosphamide Mercaptopurine ... | 1,871 | medmcqa_train |
Cause of "bloody" vomitus in a neonate | Meckel&;s dieiculum may cause severe hemorrhage due to peptic ulceration. The blood is usually passed per rectum and is maroon in colour. it may cause bloody vomitus. Ref : BAILEY AND LOVE&;S SHO PRACTICE OF SURGERY,24 TH EDITION PG NO:1159 | 1,872 | medmcqa_train |
Lancinating pain around the tonsils during eating is indicative of | (B) Glossopharyngeal neuralgia # Nerve Supply of Tonsils:* Lesser palatine branches of sphenopalatine ganglion (CN V) and glossopharyngeal nerve provide sensory nerve supply. | 1,873 | medmcqa_train |
Bird of Prey" sign is seen in the radiographic barium examination of: | Sigmoid volvulus | 1,874 | medmcqa_train |
A 30-year-old woman sustained a traumatic blow to her right breast. Initially, there was a 3-cm contusion beneath the skin that resolved within 3 weeks, but she then felt a firm, painless lump that persisted below the site of the bruise 1 month later. What is the most likely diagnosis for this lump? | Fat necrosis is typically caused by trauma to the breast. The damaged, necrotic fat is phagocytosed by macrophages, which become lipid-laden. The lesion resolves as a collagenous scar within weeks to months. The firm scar can mammographically and grossly resemble a carcinoma. An abscess may form a palpable but painful ... | 1,875 | medmcqa_train |
The basis of Korotkoff sound is | The sounds of Korotkoff are produced by turbulent flow in the brachial aery. When the aery is narrowed by the cuff, the velocity of flow through the constriction exceeds the critical velocity and turbulent flow results. | 1,876 | medmcqa_train |
Aganglionic segment is encountered in which part of colon in case of Hirchsprung's disease - | Ans. is 'a' i.e., Distal to dilated segment "The major feature of Hirschsprung ds is an absence of ganglion cells in the neural plexus of the intestinal wall, together with hypertrophy of nerve trunks. The absence of ganglion cells gives rise to a contracted non-peristaltic segment with a dilated hypertrophied segment ... | 1,877 | medmcqa_train |
Estimation of the following hormones is useful while investigating a case of gynecomastia except- | Gynecomastia refers to enlargement of the male breast. It is caused by excess estrogen action and is usually the result of an increased estrogen-to-androgen ratio. True gynecomastia is associated with glandular breast tissue that is >4 cm in diameter and often tender. Evaluation of a case of gynecomastia should include... | 1,878 | medmcqa_train |
Light requirement in watch manufacturing company is - | The recommended illumination (IES Code)in watch manufacturing company is 2000-3000 lux Rule of thumb is that the illumination must be 30 times higher the level at which ask can be just done. Parks textbook of preventive and social medicine.K Park. Edition 23.page no:741.table2. | 1,879 | medmcqa_train |
Drug with membrane stabilizing activity is? | ANSWER: (D) OxprenololREF: KDT 6 th edition page 140Membrane stabilizing activity (in propanolol, oxprenolol, acebutolol). This activity is claimed to contribute to the antiarrhythmic action, but appears to be significant only at high doses | 1,880 | medmcqa_train |
Which of the following statement is/are true of all paramyxoviruses -a) They contain a single standed RNA genome of negative polarityb) Envelope is derived from the host cells plasma membranec) They have a cytoplasmic site of replicationd) They enter the body by the respiratory route | Paramyxoviruses are negative sense single stranded Enveloped RNA viruses
Site of riboncleoprotein synthesis is cytoplasm and envelop is derived from host cell plasma membrane
They are important pathogens of infants and children and responsible for major part of acute respiratory infections and Infection is acquired by ... | 1,881 | medmcqa_train |
Venous congestion of liver affects ? | Ans. is 'c' i.e., Centrilobular zoneNutmeg liver or chronic passive congestion or Congestive hepatopathy :?Chronic passive congestion is liver dysfunction due to venous congestion, usually right sided cardiac dysfunction (right sided cardiac decompenstion).When there is right sided cardiac decompensation, the blood bei... | 1,882 | medmcqa_train |
In alcohol withdrawal which is not seen - | Blackout occurs during acute intoxication (not during withdrawal). All the other options can occur in alcohol withdrawal. | 1,883 | medmcqa_train |
A triphasic withdrawal syndrome follows an abrupt discontinuation of ______ use. | Cocaine use produces a mild physical, but a strong psychic dependence. A triphasic withdrawal syndrome follows an abrupt discontinuation of chronic cocaine use. Signs and symptoms : In the early phase (crash phase, 9 h to 4 days), there is anorexia, depression, agitation, excessive craving, hypersomnia, fatigue and exh... | 1,884 | medmcqa_train |
Lamivudine is given when? | Lamivudine belongs to the set of antiviral agents effective against hepatitis B virus infection. Given case repos on liver injuries after ceain antiviral agent treatments, this study examined the effects of lamivudine on alanine aminotransferase (ALT) and total bilirubin (TB) using a medical system database Ref Harriso... | 1,885 | medmcqa_train |
In PML, all of the following are seen except : | Answer is C (CD15 / 34 both seen in same cell) Acute promyelocytic Leukaemia (PML : FAB M3) * This is a type of Acute Myeloid Leukaemia (AML) and has been classified as the M3 category according to the FAB morphological classification.9 * It constitutes 5 - 10% of all AML (Robbin's / Ghai) Pathological characteristic o... | 1,886 | medmcqa_train |
All the following are true of Paget disease Except | Paget disease is a disorder of unknown origin, which occurs in older people and involves either a single bone or several bones. It is not associated with systemic metabolic disturbances, and some pas of the skeleton are always spared. The bones show marked thickening, owing to excessive osteoblastic and reduced osteocl... | 1,887 | medmcqa_train |
True about keratoconus are all of the following except: September 2005 | Ans. B: It manifests just after bih Keratoconus is frequently due to a congenital weakness of the cornea, though it manifests itself after pubey. However it can occur secondarily following trauma or Down's syndrome. Keratoconus is divided into mild, moderate, and advanced. Mild keratoconus - External and corneal signs ... | 1,888 | medmcqa_train |
Vaccines prepared by embryonated hen's egg are: | Ans. (b) Rabies Vaccine that grows in embryonated eggs: Influenza Yellow fever (17 D strain) Rabies (Flury strain) Mumps Varicella vaccine growns in chick embryo fibroblast culture. Rubella - RA 27/3 vaccine produced in human diploid fibroblast. No eggs culture vaccine of measles are produced. All are tissue culture va... | 1,889 | medmcqa_train |
How does the distal nephron differ functionally from the proximal tubule? | Proximal and distal convoluted tubule The site of action of acetazolamide is the proximal convoluted tubule and the site of action of the thiazides is the distal convoluted tubule. The distal nephron has a negative luminal potential because it is poorly permeable to negatively charged ions. Therefore, when Na+ is reabs... | 1,890 | medmcqa_train |
Which is the commonest abdominal mass in neonate - | Ans. is 'c' i.e., Neuroblastoma The commonest intra-abdominal tumor in first two years of life Neuroblastoma The commonest intra-abdominal tumor between 2"d to 5th year of life - Wihn's tumor The commonest intra-abdominal tumor in children (no age specification) Neuroblastoma (Wilm's tumor is the second most common abd... | 1,891 | medmcqa_train |
A patient gets tingling when his bed light is flashed suddenly. Which type of hallucination is this : | "Example of reflex hallucination : when the light flashes the patient gets tingling sensation". | 1,892 | medmcqa_train |
Which of the following amino acids is most responsible for the buffering capacity of hemoglobin and other proteins? | Remember that a buffer is most effective when its pKa is within the pH range of the surrounding medium. Histidine is the only amino acid with good buffering capacity at physiologic pH. The imidazole side chain of histidine has a pKa around 6.0 and can reversibly donate and accept protons at physiologic pH. Arginine and... | 1,893 | medmcqa_train |
Which of the following is NOT associated with elevation Right hemi-diaphragm: | Ans. (c) CholecystitisCholecystitis is inflammation of gall bladder wall.Radiological evaluation does not show elevation of right hemidiaphragm in these cases.AMOEBIC LIVER ABSCESS* Chest radiographs are abnormal in the majority of patients with amebic hepatic abscesses. Findings include elevation of the right hemi-dia... | 1,894 | medmcqa_train |
Mydriasis is/are caused by: | D i.e. Atropine Pinpoint pupils are seen in - 'Car Chlor Or Mor' i.e. Carbolic acid, Chloral hydrate, Organophosphorus, Morphine (opiate)Q and 'New Horn' i.e. neurosyphilis/tabes dorsalis (spinal miosis or small, irregular Argyll Robeson pupil) and Horner's syndrome. Atropine and cocaine cause mydriasisQ Barbiturate po... | 1,895 | medmcqa_train |
Which of the following techniques use piezoelectric crystals - | Ans. is 'a' i.e., Ultrasonography o Ultrasonography is based on piezoelectric effect.o MRI is based on gyeromagneticproperty of proton (H+).Ultrasonography (USG) / Ultrasoundo USG is performed with the pulse-echo technique. By the virtue of piezoelectric effect in the ultrasound probe (or transducer), electric energy i... | 1,896 | medmcqa_train |
A patient with hypeension is also having aoic dissection. Anti-hypeensive agent of choice is: September 2008 | Ans. A: Sodium Nitroprusside Antihypeensive therapy in acute aoic dissection aims specifically to lessen pulsatile load or aoic stress, in order to retard the propagation of the dissection and prevent aoic rupture. The goals of treatment are to prevent myocardial ischemia, decrease left ventricular afterload, decrease ... | 1,897 | medmcqa_train |
The parietal peritoneum covering the inferior surface of the diaphragm transits its sensory information via the phrenic nerve. In the case of peritonitis in the parietal peritoneum on the inferior surface of the diaphragm, pain may be referred through which of the following nerves? | Ans. D. Supraclavicular nervesThe phrenic nerve consists of contributions from spinal nerve levels C3 to 5.Therefore, when sensory information comes from the parietal peritoneum on the inferior diaphragmatic surface, it may refer through spinal nerves at the same levels.a. Supraclavicular nerve shares levels with the C... | 1,898 | medmcqa_train |
Operation of choice in GERD is | Operations for GORD are based on the creation of an intra-abdominal segment of oesophagus, crural repair and some form of wrap of the upper stomach (fundoplication) around the intra-abdominal oesophagus.Nissen fundoplication is one of the commoner procedures done.Ref: Bailey and Love 27e pg: 1078 | 1,899 | medmcqa_train |
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