text
stringlengths
1
12.5k
source
stringclasses
3 values
Since the question mentions chronic treaqtment here esmolol is a beta blocking drug but with very sho half life hence cannot be used in chronic treatment of arhymias and route of administration is I.V. Ref: Katzung 12 th ed.
openlifescienceai/medmcqa
Ans. is 6d' i.e., Old age o Old age is a non-modiflable risk factor for atherosclerosis and coronary heart disease (CHD).o Other three (given in question) are modifiable risk factors.Risk factors for atherosclerosis and coronary heart diseaseModifiableo Hyperlipidemiao Diabeteso Trans-unsaturated fat intakeo Hypertensi...
openlifescienceai/medmcqa
Ans. B. GlycoproteinsBiologically Important GlycoproteinsQPlasma proteins (except albumin)Blood group substancesHormones (hCG, TSH, LH.FSHQ)Enzyme: Alkaline PhosphataseStructural protein: CollagenTransport proteins: Ceruloplasmin, Transferrin Glycoproteins
openlifescienceai/medmcqa
A i.e. Axillary nerve Axillary Nerve (C5C6) Motor supply - Deltoid (causing shoulder abduction) Q - Teres minorQ (laterally rotate the arm & stabilizes the shoulder joint) Sensory supply Skin over lower half of deltoid by upper lateral cutaneous nerve of armQ
openlifescienceai/medmcqa
Visceral pain fibers provide input to anterolateral tract cells that also receive somatic pain from the skin surface. The convergence of these two types of pain signals onto single spinal cord neurons is the basis for referred pain.
openlifescienceai/medmcqa
The diagnosis of posterior urethral valves is made by radiographic imaging with ultrasound and voiding cystourethrogram. Ultrasound will usually show a dilated urethra, bladder, and kidneys; it is suppoive of the diagnosis of posterior urethral valves, but not confirmatory. Pathophysiology | Bladder pressure | Wall hyp...
openlifescienceai/medmcqa
Branches of root- Long thoracic nerve, dorsal scapular nerve Branches of the upper trunk- Suprascapular nerve, nerve to subclavius Branches of the cords -        Lateral cord Lateral pectoral nerve Musculocutaneous nerve Lateral root of median nerve -        Medial cord Medial pectoral nerve Medial cutaneous nerve ...
openlifescienceai/medmcqa
Dermoid cyst
openlifescienceai/medmcqa
Whole Blood Anticoagulant used Maximum storage ACD/CPD/CP2D 21 days CPDA-1 35 days SAGM 42 days Actions of ingredients of anticoagulant solution Glucose ATP generation by glycolysis Adenine Synthesis of ATP Increase shelf life of RBC to 42 days Citrate Prevents coagulation by chelating calcium Sodium diphosphate Mainta...
openlifescienceai/medmcqa
Ans. B Inferior thyroid arteryRef: Gray's, 41sted. pg. 472* Both upper & lower parathyroid glands are supplied by the inferior thyroid arteryVascular Supply and Lymphatic Drainage of Parathyroid Gland* Inferior thyroid arteries provide primary blood supply to posterior aspect of thyroid gland and parathyroid glands (wh...
openlifescienceai/medmcqa
A i.e. Specific gravity of urineThe main function of renal tubules is concentration of urine and this can be measured by specific gravity of urine.
openlifescienceai/medmcqa
Pleomorphic Adenoma: Local enucleation should be avoided  because the entire tumor may not be removed or the capsule may be violated, resulting in seeding of  the tumor bed. With adequate surgery the prognosis is excellent, with a cure rate of more than 95%. The risk of recurrence appears to be lower for tumors of the ...
openlifescienceai/medmcqa
Ans. Foveal region
openlifescienceai/medmcqa
Hepatic encephalopathy - Defined as an alteration in mental status and cognitive function occurring in the presence of liver failure. Clinical features - Earliest symptom - Change in sleep pattern. This is followed by change in personality, irritability, and mental dullness Fuher sequelae are confusion, disorientation,...
openlifescienceai/medmcqa
Aspergillus has non pigmented septate hyphae with characteristic dichotomous branching at an angle of approximate 45degrees. it causes superficial infections like sinusitis, otomycosis and mycotic keratitis. Ref: Textbook of Microbiology, Ananthanarayan and Paniker; 9th edition .
openlifescienceai/medmcqa
Major elements. Trace elements 1. Calcium. 1. Iron 2. Magnesium. 2. Iodine 3. Phosphorus. 3. Copper 4. Sodium. 4. Manganese 5. Potassium. 5. Zinc 6. Chloride. 6. Molybdenum 7. Sulfur. 7. Selenium 8. Fluoride.Ref: DM Vasudevan, page no: 411
openlifescienceai/medmcqa
Dystocia dystrophia syndrome Charecteristic appearence Short  Stalky Subfertile  Masculine hair distribution History of delayed menarche Has android pelvis
openlifescienceai/medmcqa
Lithium Use : Prophylaxis of mania alone, with sedatives in acute mania. Monitoring of S. concentration is significant to know the toxicity of drug S/E of Lithium Lithium use for a long time causes benign and reversible T-wave flattening Seizures Polyuria and compensatory polydipsia Dermatitis, folliculitis, vasculitis...
openlifescienceai/medmcqa
Agonist antagonist opioids Pentazocine, Nalbuphine, Nalorphine, Butorphanol, Levallorphan, Dezocine, Meptazinol, Buprenorphine.
openlifescienceai/medmcqa
The cardiac silhouette is normal in size, but the pulmonary vasculature is prominent and the AP window is full. The interlobar branches appear large. There is pulmonary plethora with increased vasculature, especially in the right lower zone and the left upper zone, with increase in size of the aerial shadows suggesting...
openlifescienceai/medmcqa
Facial grimacing , tics, muscle spasm , protruding tongue and similar involuntary movements can occur in first few days of staing anti psychotics . Parkinsonism maybe noticed in the first few weeks . Tardive dyskinesia develops after years of therapy. Ref KD Tripati 8th ed.
openlifescienceai/medmcqa
C i.e. In normal gestation placental resistance is high Doppler ultrasound analysis in pregnancy The routine use of doppler in pregnancy is constroversialQ. TVS (transvaginal sonography) is method of choice for monitoring infeility disorders, diagnosis of ectopic pregnancy & differentiating abnormal & normal 1st trimes...
openlifescienceai/medmcqa
Hea failure can clinically present with predominantly diastolic or systolic dysfunction, or both. Diastolic HF is a progressive disorder characterized by impaired left ventricular (LV) relaxation, increased LV stiffness, increased interstitial deposition of collagen and modified extracellular matrix proteins The most c...
openlifescienceai/medmcqa
Ans. Intraocular retinoblastoma
openlifescienceai/medmcqa
Ans. is 'b' i.e., Complete resection
openlifescienceai/medmcqa
Boundaries of triangle of auscultation:Medially by trapeziusLaterally by scapula and rhomboid majorInferiorly by latissimus dorsiThis triangle allows lung sounds to be clearly heard at 6th intercostal space because no muscle intervenes between skin and rib cage when shoulders are pulled forward.
openlifescienceai/medmcqa
Cardiogenic pulmonary edema Non - cardiogenic pulmonary edema Increased CT ratio Kerley B lines Batwing configuration Normal CT ratio Diffuse bilateral infiltrates sparing costophrenic angle Absent Kerley B lines
openlifescienceai/medmcqa
(Refer: Parson's, 21stedition, pg no: 154,155)
openlifescienceai/medmcqa
Nitrates are vasodilator drugs which aggravate condition of HOCM , so it is generally not used in HOCM
openlifescienceai/medmcqa
In destructive lesions eg. trauma to labyrinth, the nystagmus is towards the opposite side.In irritative lesions eg. serous labyrinthitis, fistula of labyrinth, the nystagmus is towards ipsilateral side.
openlifescienceai/medmcqa
Strangulation is not a form of traumatic asphyxia. It is an asphyxia which is caused from constriction of the neck by a ligature without suspending the body. Ref: The Essentials of Forensic Medicine and Toxicology By Dr K S Narayan Reddy, 27th Edition, Pages 306, 322-3 and 28th Edition, Pages 309, 319
openlifescienceai/medmcqa
Ans. is 'b' i.e., Larvae are surface feeder
openlifescienceai/medmcqa
Ans. is 'c' i.e., Furazolidone Antibiotics used in the treatment of choleraAntibiotics aChildrenAdultsDoxycycline once 300 mgbTetracycline 4 times a day for 3 days12.5 mg/kg500 mgTrimethoprim (TMP) Sulfamethoxazole (SMX) twice a day for 3 daysTMP 5mg/kg, 5mg 25mg/kgcTMP 160Mg SMX 800 MgFurazolidone 4 times a day for 3 ...
openlifescienceai/medmcqa
Measles: Koplik spots appear in prodromal stage Symptoms subside after appearance of rash Vaccine given at 9 months Patient is infective 4 days before & 5 days after appearance of rash NELSON: Symptoms increase in intensity for 2-4 days until the 1st day of the rash.
openlifescienceai/medmcqa
Ans. Descemet's membrane
openlifescienceai/medmcqa
B i.e. Mongols
openlifescienceai/medmcqa
A i.e. Clozapine
openlifescienceai/medmcqa
An episome is a poion of genetic material that can exist independent of the main body of genetic material (called the chromosome) at some times, while at other times is able to integrate into the chromosome. Examples of episomes include inseion sequences and transposons. Viruses are another example of an episome. Virus...
openlifescienceai/medmcqa
The transfer of living organs or tissue from one pa of the body to another or from one individual to another is known as heterotopic transplantation. It is also known as piggy back transplant.
openlifescienceai/medmcqa
Ans. is 'b' i.e., Respiratory route Myxoviruseso Mvxoviruses are enveloped RNA viruses.o They are characterized by ability to adsorb on to mucoprotein (affinity for mucin) on erythrocytes causing agglutination of erythocytes.o Myxovirus are divided into two important families-Orthomyxovirus InfluenzaParamyxovirus - Mum...
openlifescienceai/medmcqa
Answer- D. 6.5At the end of a period of observation, typically several minutes, aerial Pco2 should be at least > 6.6-8.0 kPa (50-60 mmHg) for the test to be valid.Apnea is confirmed if no respiratory effo has been observed in the presence of a sufficiently elevated Pco2.
openlifescienceai/medmcqa
Severe vomiting can cause tear of oesophageal mucosa only (Mallory-Weiss syndrome) or tear of all the layers of oesophageal wall (Boerhaave syndrome) above the diaphragm due to sudden increase in oesophageal pressure. Since there is hydropneumothorax, all the layers of oesophagus are torn. Oesophagogram with water-solu...
openlifescienceai/medmcqa
Calot's triangle: area bound superiorly by the inferior surface of the liver, laterally by the cystic duct and the medial border of the gallbladder and medially by the common hepatic duct. It is an impoant surgical landmark as the cystic aery, usually can be found within its boundaries.Ref: Bailey and love 27e pg: 1188
openlifescienceai/medmcqa
Remember: MC cause of UTI - E. coli MC cause of nosocomial UTI - E. coli MC nosocomial infection - UTI S. saprophyticus produce UTI characteristically in sexually active young woman Enterococci and S.aureus cause infections in patients with renal stones or previous instrumentation or surgery.
openlifescienceai/medmcqa
Option A and B - skeletal traction is always better than skin traction as the maximum capacity of weight which can be hanged is much more in skeletal traction. Skin traction can bear maximum of 5-7 kg weight while skeletal traction can bear upto 10-25% of body weight. Option C- skin traction is better is pediatric and ...
openlifescienceai/medmcqa
Endocrine causes of duodenal ulcers can be Zollinger-Ellison syndrome, MEN syndrome, hyperparathyroidism.ZOLLINGER ELLISON SYNDROME is characterised by fulminant ulcer in stomach and duodenum and its recurrences in spite of adequate therapy .they are also characterised by non-beta cell islet tumours of pancreas Ref: SR...
openlifescienceai/medmcqa
The common name for Fasciolopsis buski is the large or giant intestinal fluke.It is the largest trematode infecting humans.Pig serves as reservoir of infection for man. ( refer pgno: 127 baveja 3 rd edition)
openlifescienceai/medmcqa
The patient in question has an increased serum Ca++, decreased serum phosphorus and increased values of alkaline phosphatase, suggests hyperparathyroidism. Ref: Clinical Proceedings - Children's Hospital of The District of Columbia, Volume 14 ; Nutrition and Diagnosis-Related Care By Syl Escott-Stump - 2008, Page 193 ;...
openlifescienceai/medmcqa
Ans. is 'a' i.e., Snake bite
openlifescienceai/medmcqa
C. i.e. (Propofol) (158 - 60 Lee's synopsis of anesthesia 13th)PROPOFOL - particularly suited for out patient surgery because residual impairment is less marked and incidence of post operative nausea and vomiting* Only agent which are rapidly eliminated are used eg Propofol, alfentanil, remifentanil, N20 Isoflurance,se...
openlifescienceai/medmcqa
Ans. is 'b' i.e., Primary prevention LEVELS OF PREVENTION o There are four levels of prevention :? Primordial prevention Primary prevention Secondary prevention Teiary prevention Primordial Level of Prevention: Is primary prevention (see below) in purest sense o It is the prevention of the emergence or development of r...
openlifescienceai/medmcqa
Chunky pink gelatinous plug in sputum - Pulmonary alveolar proteinosis Blood in the sputum - Angioinvasive A.nigar Hamman crunch sign - associate with pneumothorax/ pneumomediastinum Horner syndrome - associate with Pancoast tumor Fungal ball Aspergilloma - A. Nigar CT- | Angioinvasive | So, Blood in sputum
openlifescienceai/medmcqa
Ans. C. VasodilationActions of Angiotensin IIa. Angiotensin II binds to AT1 receptors in the zona glomerulosa which act via a G protein to activate phospholipase C. The resulting increase in protein kinase C fosters the conversion of cholesterol to pregnenolone and facilitates the action of aldosterone synthase, result...
openlifescienceai/medmcqa
D i.e. Marginal Nodal, Acute Marginal & Posterior Descending (interventricular) aeryQ are branches of Right Coronary aery; whereas Circumflex, Diagonal, Obtuse Marginal & Anterior Descending (interventricular) aeryQ are branches of Left Coronary Aery. LAD, RCA and LCX are common whereas as marginal branches are uncommo...
openlifescienceai/medmcqa
Ernst August Friedrich Ruska was a German physicist who won the Nobel Prize in physics in 1986 for his work in electron optics, including the deign of the first electron microscope.
openlifescienceai/medmcqa
Ans. is 'c' i.e., Hypertension Adaptations in hearto The cardiac myocyte is terminally differentiated cell that is not able to divide,o Myocardium cannot undergo hyperplasia, i.e. increase in the number of myocyte,o So, myocardium can adapt by increasing the size (i.e. hypertrophy) of the myocyte in response to stress,...
openlifescienceai/medmcqa
Ans. CMultiple air-fluid levels indicate a more distal site of obstruction along the bowel-hence llieal atresia in the newborn. It is associated with cystic fibrosis. Plain radiograph shows multiple air fluid levels and dilated loops of proximal bowel. Barium enema shows microcolon. On antenatal USG it is often discove...
openlifescienceai/medmcqa
In Phenylketonuria, low phenylalanine diet is used (Because phenylalanine is not synthesized endogenously, small amounts of phenylalanine should be added to the diet to prevent phenylalanine deficiency.) Serum and urine phenylalanine and its metabolites are increased Tyrosine becomes an essential amino acid Blood for s...
openlifescienceai/medmcqa
Exstrophv of bladder (Ectopia vescicae) There is a defect in the infraumbilical pa of the anterior abdominal wall, associated with incomplete development of the anterior wall of the bladder. The posterior wall of the bladder protrudes through the defect and urine spus onto the abdominal wall from the uretral orifices. ...
openlifescienceai/medmcqa
Ref: Rook's Textbook of DermatologyExplanation:Superficial spreading melanoma is by far the most frequent type of melanoma.The most common sites: In female - leg and the In males - back.If the melanoma is developing in a pre-existing naevus, which occurs in approximately 50% of lesions, the irregular appearance of the ...
openlifescienceai/medmcqa
CNS involvement in lymes disease is indicated by lymphocytic pleocytosis, elevated protein and normal glucose. Lymphocytic meningitis is confirmed by intrathecal IgM, IgG or IgA antibodies to Borrelia Burdogferi. Borrelia burdogferi replicates in the skin and then disseminates bloodstream to other organs leading to ext...
openlifescienceai/medmcqa
The most impoant initial resuscitating step of PPH is fluid management Till blood is not available this is done using colloids and crystalloids which replaces the fluid but worsens the existing coagulopathy Blood transfusion should be followed by fresh frozen plasma and platelets This is done after 4 units of blood tra...
openlifescienceai/medmcqa
Tolerance develops to nitrates, when these are present constantly in the blood. Sublingual route leads to immediate action of nitrates and these act for a sho time. Other preparations mentioned in the question are more likely to give consistent plasma levels of nitrates leading to development of tolerance.
openlifescienceai/medmcqa
Hormones produced by small cell variant ACTH AVP ANF calcitonin Gastrin relesinre peptide Ref Harrison 19th edition pg 541
openlifescienceai/medmcqa
Currently two Human Papilloma Virus (HPV) vaccines are available in India as a protection against cervical cancer Gardasil vaccine: HPV types 6, 11, 16, 18 (Quadrivalent) Cervarix vaccine: HPV types 16, 18 (Bivalent)
openlifescienceai/medmcqa
Length of vertebral column × 3 = height A P length of skull × 8= height Height of skull bone with mandible × 7= height Length of humerus × 5 = height Length of radius × 6.3 = height Length of ulna × 6 = height Length of femur × 3.8 = height Length of tibia × 4.2 = height Length of fibula × 4.4 = height Length of clavic...
openlifescienceai/medmcqa
The aim is to supplement nutritional intake as follows Each child 6-72 months of age to get 500 calories and 12-15 grams of protein Severlely malnourished child 6-72 months to get 800 calories and 20-25 grams protein Each pregnant and nursing women to get 600 calories and 18-20 grams of protein (refer pgno:591 park 23r...
openlifescienceai/medmcqa
Ischemic hea disease Caused by coronary atherosclerosis, resulting in decreased blood flow to the myocardium. May develop into angina pectoris, myocardial infarction, chronic ischemic cardiopathy, or sudden cardiac death. On the other hand, aeriosclerosis (hardening of the aeries) usually attacks renal aeries and is re...
openlifescienceai/medmcqa
C - B.D. Chourasia, Vol.l, 4th ed, p. 51,52
openlifescienceai/medmcqa
Ans. is 'a' i.e., Pethidine Post-anaesthesia shivering (PAS) Post anaesthesia (post operative) shivering occurs in 40% of patients recovering from general anaesthesia. Some time it is preceded by central hypothermia and peripheral vasoconstriction, indicating that it is a thermoregulatory mechanism Pethidine is most ef...
openlifescienceai/medmcqa
Actions of CCK -        Stimulates pancreatic enzymes secretion. -        Stimulates enterokinase secretion. -        Stimulates insulin secretion. -        Stimulates glucagon secretion. -        Potentiates Secretin -        Increases pyloric sphincter tone. -        Inhibits gastric emptying -        Stimulates gall...
openlifescienceai/medmcqa
The hemodynamic stability seen with etomidate is caused by its lack of effect on the sympathetic nervous system and on the function of the baroreceptor. The minimal effect of etomidate on cardiovascular function sets it apa from other rapid-onset anesthetics. Etomidate has proven useful in patients with valvular or isc...
openlifescienceai/medmcqa
Shellfish
openlifescienceai/medmcqa
Spina bifida approximately 20% of affected infants have additional congenital abnormalities. Chromosomal abnormalities, single-gene mutations, and teratogenic causes can be identified in < 10% of affected children. Myelomeningocele is the most common type of spina bifida and is characterized by herniation of the spinal...
openlifescienceai/medmcqa
Human Placental Lactogen HPL is secreted by syncytiotrophoblast of placenta and is detectable in maternal serum as early as the third week after feilization. It is demonstrable in cytotrophoblast before 6 weeks. This however increases exponentially around 24 weeks and is responsible for the insulinase action and the pr...
openlifescienceai/medmcqa
Ans. is 'c' i.e., 60% Similar to quaile (which devides the ordered data into four equal pas, Pentile divides it into five equal pas. So the number of intercepts required is 4 i.e. P,, P,, P3, P4. o Each pa contains 20% of values. o P1(1" pentile) divides a distribution in a ratio of 20 : 80 OR 1 : 4 o P2 (2nd pentile) ...
openlifescienceai/medmcqa
Carying capacity The carrying capacity of a biological species in an environment is the maximum population size of the species that the environment can sustain indefinitely, given the food, habitat, water, and other necessities available in the environment. In population biology, carrying capacity is defined as the env...
openlifescienceai/medmcqa
Ans. (a) End diastolic volume of ventriclesRef: Ganong, 25th ed/p.544Preload is End diastolic volume of ventriclesAfterload is the aortic pressure
openlifescienceai/medmcqa
Ans. is 'd' i.e., b2-Agonist b-agonists in Asthmao Bronchi have b2-adrenergic receptors which cause bronchodilatation - So, the adrenergic drugs used in asthma are selective b2 agonists.o b2-agonists are the most effective bronchodilatorso b2-agonists have some other effects also on airways (other than bonrchodilatatio...
openlifescienceai/medmcqa
This is developmental dysplasia of the hip. Most congenital malformations, particularly malformations that are isolated defects, have no readily identifiable cause. Most defects are believed to be caused by the inheritance of a certain number of genes and by the interaction of those genes with environmental factors. Th...
openlifescienceai/medmcqa
The cord becomes brownish black within 2 or 3 days after bihIt falls off in about 10-14 days(Refer: Nelson's Textbook of Pediatrics, SAE, 1st edition, pg no. 811)
openlifescienceai/medmcqa
Ans. (b) Erythromycin should be given to contacts Those known to have in contact with whooping cough should be given prophylactic erythromycin or ampicillin for 10 days. Peussis vaccine 1. Killed whole cell vaccine: Given in the form of DPT Protection 70-90% Adverse reaction: Neurologic complication 1:170000 Convulsion...
openlifescienceai/medmcqa
Ans. is 'a' i.e., Sensation on tapping the nerve Tinels sign:* Brisk percussion along the course of an injured nerve from distal to proximal direction may elicit a tingling sensation in the distal distribution of the nerve.* This is described as Tinels sign.* The point of hypersensitivity marks the site of abnormal ner...
openlifescienceai/medmcqa
Ans. is 'd' i.e. senses muscle tensionThe Golgi Tendon organ is an encapsulated sensory receptor through which muscle tendon fibres pass and it is stimulated by increased tension in the connecting muscle. So basically detects muscle tension as reflected by the tension in itself. Whereas muscle spindle (other sensory re...
openlifescienceai/medmcqa
Answer is 'a' i.e. AFP increased in 70% cases; 'b' i.e. Resection possible in few cases only; 'c' i.e. USG guided biopsy is good for diagnosis g/1 are found in about 70 to 80% of patients with HCC. Lower levels may be found in patients * with large metastases from gastric or colonic tumors and in some patients with acu...
openlifescienceai/medmcqa
Repeated or continuous exposure to the noise around 100 decibels may result in a permanent hearing loss; inner ear damage may vary from minor changes in the hair cells to complete destruction of the organ of Coi. Park's Textbook of Preventive and Social Medicine, 22nd edition, Page No. 689
openlifescienceai/medmcqa
Glucocoicoids increase the number of RBCs ,platelet ,& neutrophils in circulation .They decrease lymphocytes ,eosinophils & basophils. So coicosteroids are not associated with neutropenia.Tripathi essential of pharmacology 7th edition pg no 285.
openlifescienceai/medmcqa
A mutation in the Nephrin (NPHS1) gene causes a hereditary form of congenital nephrotic syndrome with minimal change glomerular morphology whereas mutations in NPHS2 encoding for podocin results in steroid resistant nephrotic syndrome. Ref: Robbins 7Th Ed Page 981, 983.
openlifescienceai/medmcqa
Traumatic glaucoma causes Inflammatory glaucoma due to iridocyclitis (anterior uveitis) (D-shaped pupili) Hyphema Angle recession Subluxation of lens Trabecular edema Ghost cell glaucoma Vasomotor reaction Adherent glaucoma.
openlifescienceai/medmcqa
Ref: The Essentials of Forensic Medicine and Toxicology by KS Narayan Reddy. 29th edition. 2010. Pg: 34Explanation:Criminal negligence: When a doctor shows gross absence of skill and care during treatment resulting in death of patient.Medical Negligence is considered to he criminal negligence if:a) When a doctor shows ...
openlifescienceai/medmcqa
Ans. is 'a' i.e., Intrinsic factor deficiency Schilling testStep 1o Administer an intramuscular injection of Vitamin B12This will saturate the vitamin B12 receptors because otherwise the body would be hungry-' for the oral dose of vitamin B12 and radiolabelled vitamin B12 will not appear in urine even if there is no ab...
openlifescienceai/medmcqa
Ans. is 'd' i.e. Tetracycline Park writes- "The drug of choice for chemoprophylaxis is Tetracycline. For adults the dose in 500 mg 6 hourly for 5 days. A cheaper alternative is sulfonamideRemember that -DOC for treatment of Plague is streptomycin*. Tetracycline is an alternative drug.Also Remember-The DOC for chemoprop...
openlifescienceai/medmcqa
Ans. D. All of theseLiposomes have an intermittent aqueous phase in lipid bilayer. They are produced when amphipathic lipids in aqueous medium are subjected to sonification. Liposomes are used as carriers of drugs to target tissues.
openlifescienceai/medmcqa
Answer (a) Zanamivir commonly given through IV route WHO: It is recommended that trivalent vaccines for use in the 2017 southern hemisphere influenza season contain the followingAn A/Michigan/45/2015 (H1N1)pdm09-like virus;An A/Hong Kong/4801/2014 (H3N2)-like virus; andA B/Brisbane/60/2008-like virus.-PCR provides the ...
openlifescienceai/medmcqa
Ans. Neuroparalytic keratitis
openlifescienceai/medmcqa
Viral infections of the pulmonary parenchyma produce diffuse alveolar damage (DAD) and interstitial pneumonia. Necrosis of type I pneumocytes and the formation of hyaline membranes result in an appearance that is indistinguishable from DAD in other settings. The other choices are not characteristic of interstitial pneu...
openlifescienceai/medmcqa
Ans. A: AdenosineThe close relationship between coronary blood flow and myocardial 02 consumption indicates that one or more of the products of metabolism cause coronary vasodilation. Factors suspected of playing this role include:02 lack and increased local concentrations of CO2H+,IC,Lactate,Prostaglandins,Adenine nuc...
openlifescienceai/medmcqa
The features of this syndrome are polyneuropathy, organomegaly, endocrinopathy, M-protein, and skin changes (POEMS). Patients usually have a severe, progressive sensorimotor polyneuropathy associated with sclerotic bone lesions from myeloma. Polyneuropathy occurs in ~1.4% of myelomas, but the POEMS syndrome is only a ...
openlifescienceai/medmcqa
An asymptomatic abdominal aoic aneurysm in an otherwise fit patient should be considered for repair if >55 mm in diameter (measured by ultrasonography). The annual incidence of rupture rises from 1% or less in aneurysms that are <55 mm in diameter to a significant level, perhaps as high as 25%, in those that are 70 mm ...
openlifescienceai/medmcqa
Vasopressin. Vasopressin, also called antidiuretic hormone, is even more powerful than angiotensin II as a vasoconstrictor, thus making it one of the body’s most potent vascular constrictor substances. It is formed in nerve cells in the hypothalamus of the brain but is then transported downward by nerve axons to the po...
openlifescienceai/medmcqa