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Aemisinin are combined with several antimalarial drugs in ACT but these are not combined with Chloroquine or Quinine. COMBINATION THERAPY: (ACT) Aemisinin + Long acting drug DOC for Chloroquine resisitance Combinations are: (WHO RECOMMENDED) AEMETHER + LUMEFANTRINE- DOC in Noh Eastern States in INDIA AESUNATE + SULFADO... | openlifescienceai/medmcqa |
. Phagocytosis | openlifescienceai/medmcqa |
Ref Harrison 19 th ed pg 1536 booming "pistol-shot" sound can be heard over the femoral aeries (Traube's sign), and a to-and-fro murmur (Duroziez's sign) is audible if the femoral aery is lightly compressed with a stethoscope. | openlifescienceai/medmcqa |
Torsion | openlifescienceai/medmcqa |
Ans. is 'b' i.e., Fragile X-syndrome Has been explained (see factors predisposing to childhood leukemia). | openlifescienceai/medmcqa |
Ref:Park's Textbook of Preventive and Social Medicine 25th Ed | openlifescienceai/medmcqa |
Hanups disease is an autosomal recessive disease. Absorption of aromatic amino acids, as well as reabsorption from renal tubular, are defective. So amino acids are tryptophan excreted in urine.pellagra-like symptoms due to niacin derived from tryptophan. Diagnosis: ober Meyer test (based on aminoaciduria)Ref: DM Vasude... | openlifescienceai/medmcqa |
Sweet- G protein coupled increased in cAMP causing closure of K+ channels.
Salt- Opening of amiloride sensitive Na+ channels
Sour- Increased intracellular H+ concentration causing closure of K+ channels
Bitter- G protein-coupled increase in intracellular Ca++ triggering neurotransmitter release. | openlifescienceai/medmcqa |
Ans. (a) DMSA scanRef: Bailey 26th Edition, Pages 1276-1277* IOC for Renal Structure scarring - DMSA* IOC for Congenital PUJ obstruction - DTPA | openlifescienceai/medmcqa |
Ans. is 'b' i.e., Inhibition of nor-epinephrine release from adrenergic nerve endings o Most of the blood vessels contain cholinergic M3 receptors on endothelium but no parasympathetic nerve supply. o Exogenously administered ACh can stimulate M3 receptors which results in release of EDRF (NO) from endothelium that cau... | openlifescienceai/medmcqa |
Some displaced epiphyseal injuries (types III and IV) are indications for open reduction. | openlifescienceai/medmcqa |
Cadmium can cause lung cancer and possibly has also been related to prostate cancer.
Cadmium has also been linked to cancer of breast, kidney, pancreas and urinary bladder.
Lung cancer is caused by inhaled cadmium while other are due to ingestion. | openlifescienceai/medmcqa |
Ans. is'b'i.e., Most common enzyme involved is Cyp 3A4/5(Ref: Katzung Ilth/e p. 55)Cytochrome p450 enzymes are microsomal enzymes that are involved in phase I metabolism of many drugs.Most of the drugs are metabolized by Cyp 3A4 isoform.Cyp 3 A 4/5 carryout biotransformation of largest number (nearly 5O%) of drugs. | openlifescienceai/medmcqa |
Ans. is 'b' i.e., Clofibrate o Fibrates (e.g. clofibrate) activate lipoprotein lipase, therefore, enhance lipolysis of triglycerides in VLDL. | openlifescienceai/medmcqa |
Types of venom -- may be* Neurotoxic -- cobra, krait,coral snake* Hemotoxic -- vipers* Myotoxic -- sea snake REF: K.S.Narayan Reddy's Synopsis of Forensic Medicine and Toxicology, 29th edition, Chapter 28 page-309,310. | openlifescienceai/medmcqa |
Ans. is 'a' i.e., Atracurium o The unique feature of atracurium is inactivation in plasma by spontaneous nonenzymatic degradation (Hofman elimination) in addition to that by alkaline ester hydrolysis o Consequently its duration of action is not altered in patients with hepatic/renal insufficiency or hypodynamic circula... | openlifescienceai/medmcqa |
Ans. is 'c' i.e., It promotes the ulcer healing o Carbenoxolone promotes healing of gastric ulcer without altering the volume or acidity of gastric juice. | openlifescienceai/medmcqa |
REF : MAHESWARI 9TH ED | openlifescienceai/medmcqa |
Ans. Fifth | openlifescienceai/medmcqa |
a. Older red cells(Ref: Nelson's 20/e p 2335, Ghai 8/e p 339)Because mature red cells do not synthesize new proteins, G6PD enzyme activity falls quickly to levels inadequate to protect against oxidant stress as red cells age. Thus, older red cells are much more prone to hemolysis than younger ones. | openlifescienceai/medmcqa |
- Amongst the choices, third generation is most effective with a failure rate of only 0.2/HWY. PEARL INDEX OF DIFFERENT CONTRACEPTIONS: Male condoms 2-14 / HWY Female condoms 5-21 / HWY Centchroman 1.84 - 2.84 /HWY OCPs 0.1 - 2 /HWY Sterilization 0.1 / HWY Vaginal sponge 9-20 / HWY | openlifescienceai/medmcqa |
The smile framework (mini-esthetics). The smile framework is bordered by the upper and lower lips on smile animation and includes such assessments as excessive gingival display on smile, inadequate anterior tooth display, inappropriate gingival heights, and excessive buccal corridors.
contemporary orthodontics – proffi... | openlifescienceai/medmcqa |
.Acute ulcers after cerebral trauma or neurosurgeries are called as Cushing's ulcers. Acute ulcers after major burns are called as Curling ulcers. Diagnosis is by gastroscopy presenting as pain in the epigastric region, vomiting or haematemesis. Treatment is conservative- IV ranitidine. IV pantoprazole 80 mg in 100 ml ... | openlifescienceai/medmcqa |
acute poisoning. the patient may suffer from tingling and paresthesia, intermittent cramps and carpopedal spasm due to hyperirritability of peripheral nerves(Chvostek/Weiss sign) as a result of hypocalcemia. Patient may go into stupor, coma, and death may be due to respiratory failure. Ref: FORENSIC MEDICINE AND TOXICO... | openlifescienceai/medmcqa |
Norethisterone | openlifescienceai/medmcqa |
* HOT CROSS BUN SIGN - cross shaped hyperintensity in the center of pons * It is a classic feature of Multisystem atrophy type - C * Multisystem atrophy type - c has involvement of pontocerebellar pathway Figure: hot cross bun sign - MSA-C Figure showing Humming bird sign in Progressive supranuclear palsy. Figure showi... | openlifescienceai/medmcqa |
Ans. B. PhosphoproteinTwo important Phosphoproteins areCasein found in milkOvovitellin found in egg yolk | openlifescienceai/medmcqa |
Answer is D (Psychogenic polydipsia) : All of the options provided may present with polyuria polydipsia but only Psychogenic polydipsia presents with associated decreased serum and urine osmolality. Laboratory diagnostic parameters amongst conditions provided. Diabetes insipidus (Nephrogenic / central) Resolving ATN (D... | openlifescienceai/medmcqa |
This is a characteristic chemical leukoderma caused by the use of bindi due to its characteristic location (centre of forehead).
Para tertiary butylphenol (PTBP) is present in the adhesives of the bindi and result in leukoderma.
REMEMBER: Most potent agent causing chemical leukoderma is Monobenzyl ether of hydroquinon... | openlifescienceai/medmcqa |
Ans. is 'a' i.e., Glycogen phosphorylase kinase Alcohol effects on Carbohyrate metabolism* Ethanol adversely affects the carbohydrate metabolism in skeletal muscle.* Chronic alcohol intake is associated with an increase in glycogen concentration in skeletal muscles because of incapacity to degrade glycogen due to parti... | openlifescienceai/medmcqa |
The colour of postmoem hypostasis in hydrogen sulphide poisoning is bluish green. It is an asphyxiant which inhibits cytochrome oxidase. Dr.Narayana Reddys Synopsis of Forensic Medicine and Toxicology 27th edition pg. 76,313. | openlifescienceai/medmcqa |
Ans. is `b' i.e., Annular posterior synechiae Svnechiae in iridocvclitis The exudates poured out by the iris and ciliary body cover the surface of iris as thin film and spread into the pupillary area.This is called plastic iridocyclitis. Due to these exudates, iris sticks to the lens capsule and becomes fixed. Such fir... | openlifescienceai/medmcqa |
Ans. b. 50 percentile for boys and 3 percentile for girls (Ref: Park 23/e p545, 20/e p547-548)In WHO "Road to Health" chart, upper limit of represents 50th percentile for boys and lower limit represents 3rd percentile for girls.WHO-Home Based Growth ChartWHO growth chart has 2 reference curvesQ:Upper Reference Curve (U... | openlifescienceai/medmcqa |
Ans. is 'b' i.e., Hemolytic anemia o The enzyme glucose-6-phosphate dehydrogenase (G6PDQ) may be deficient in some persons,o It is the most common enzyme deficiency seen in clinical practiceQ. The defect is transmitted as x-linkedrecessive trait.o This defect results in impairment of HMP shunt with reduced generation o... | openlifescienceai/medmcqa |
Ans. is 'c' i.e., Systemic random sampling * Types of random sampling are: -i) Simple random sampling# It is also known as "unrestricted random sampling". Each individual is chosen randomly and entirely by chance. There is no stratification in similar groups. Thus, each individual has the same probability of being chos... | openlifescienceai/medmcqa |
Hypoacusis, i.e., paial deafness to low pitched sounds due to paralysis of tensor tympani muscle. REF : B D Chaurasia's Human Anatomy , seventh edition , volume 4 , pg, no., 69. | openlifescienceai/medmcqa |
Ref:Park's Textbook of Preventive and Social Medicine 25th Ed | openlifescienceai/medmcqa |
Answer is B (Mean Stroke Volume) Mean stroke volume is the amount of blood pumped out of each ventricle per beat. It is calculated as the cardiac output in L/min divided by the hea rate. Mean Stroke Volume = Cardiac Output Hear Rate Parameter Definition Value Cardiac output The output of the hea per unit time 5L/mindeg... | openlifescienceai/medmcqa |
Lipid peroxidation can be described generally as a process under which oxidants such as free radicals attack lipids containing carbon-carbon double bond(s), especially polyunsaturated fatty acids (PUFAs).New discoveries about the involvement in cellular physiology and pathology, as well as the control of lipid peroxida... | openlifescienceai/medmcqa |
Upper Quadrangular spaceIt has the following boundaries:- the teres major inferiorly- the long head of the triceps laterallyFor the superior border, some sources list the teres minor, while others list the subscapularis.It contains the scapular circumflex vessels. | openlifescienceai/medmcqa |
CYSTIC LESIONS OF BONE Unicameral Bone Cyst: True Cyst Most common in the proximal humerus and femur. The lesions are most active during skeletal growth and usually heal spontaneously at maturity. Asymptomatic Radiographs: Centrally located, purely lytic lesion with a well-marginated outline. Thinned coical fragment fr... | openlifescienceai/medmcqa |
Capillaries in tissue have CO2 diffused from cells; it would displace O2 from Hb (Bohr Effect). The curve shifts to right Fluid leaks out of the capillaries. Hence, hematocrit (the ratio of cells to plasma) would increase. However, this is a generalized statement. In some capillary beds (e.g. muscle), hematocrit may be... | openlifescienceai/medmcqa |
Ans. d (Flexion of neck and extension of atlantoccipital joint) (Ref. Head and Neck Surgery - Otolaryngology 3rd/Ch. 58)OROTRACHEAL INTUBATION# Orotracheal intubation is undertaken ideally with the patient in the sniffing position, the patient's neck flexed slightly on the chest, and the head extended slightly on the n... | openlifescienceai/medmcqa |
Either of two coreceptors, CCR5 or CXCR4, is involved in the initial binding of the virus to the cell surface molecule gp120 on CD4+ cells. It is of considerable interest that ceain mutations in the CCR5 gene are associated with total resistance to infection with some common strains of HIV. Homozygotes are totally resi... | openlifescienceai/medmcqa |
Central incisors have the ideal location that provides the protection of the premaxilla. | openlifescienceai/medmcqa |
Answer is D (Senseless, fluent speech): Senseless fluent speech most closely suggests a diagnosis of Aphasia (Wernicke's aphasia) which results from damage to the categorical or dominant hemisphere Senseless, fluent speech suggests a diagnosis of 'Wernicke 's ' Aphasia. Such disorders of speech represent a lesion is th... | openlifescienceai/medmcqa |
Features of Digeorage Syndrome include parathyroid gland hypoplasia leading to Hypocalcemia, not Hypercalcaemia. | openlifescienceai/medmcqa |
Uicaria (hives) are pruritic wheals that form after mast cells degranulate and trigger localized dermal edema with dilated superficial lymphatic channels. The mast cell degranulation is sometimes, but not always, triggered by IgE-antigen interactions. Granular complement and IgG deposition at the dermal/epidermal junct... | openlifescienceai/medmcqa |
Ans. is 'c' i.e., Facter VII | openlifescienceai/medmcqa |
US Brand Name Zoladex Goserelin is a hormone similar to the one normally released from the hypothalamus gland in the brain. It is used to treat a number of medical problems. These include: Cancer of the prostate in men Cancer of the breast in women if it develops before or around the time of menopause Endometriosis, a ... | openlifescienceai/medmcqa |
Cervical spine should be immoblized because movement at cervical spine can cause further injury to cervical spinal cord which may result in quadriparesis or quadriplegia. | openlifescienceai/medmcqa |
White infarcts occur with aerial occlusions in solid organs with end-aerial circulation (e.g., hea, spleen, and kidney), and where tissue density limits the seepage of blood from adjoining capillary beds into the necrotic area. Ref: Robbins, 8th edition, Chapter 4. | openlifescienceai/medmcqa |
Nutrient deficiency is the main cause of marasmus. It occurs in children that don&;t ingest enough protein, calories, carbohydrates, and other impoant nutrients. This is usually due to povey and a scarcity of food. There are several types of malnutrition. Reference: GHAI Essential pediatrics, 8th edition | openlifescienceai/medmcqa |
Metronidazole is the drug which is used to treat antibiotic associated pseudomembranous enterocolitis and is a component of anti H. pylori triple drug regimen. PSEUDO-MEMBRANE COLITIS MC organism responsible Clostridium difficile MC cause 3rd Gen. Cephalosporins > clindamycin DOC Metronidazole - Oral vancomycin Accordi... | openlifescienceai/medmcqa |
Lung cancer Most common symptom in chronic smokers is persistent cough and chest X Ray is a must for such patients. Smoking cessation can reduce risk of lung cancer. Cessation at or before middle age can reduce the chances of lung cancer by 90% But in this case scenario, patients is elderly and will not have a strong w... | openlifescienceai/medmcqa |
Yawning bullet:- Detion between the long axis of the bullet and axis of the path of the bullet Tumbling bullet:- Bullet rotates end-to-end during its path Tail wobble or Tail wagging:- It occurs for few microseconds after the bullet leaves the muzzle May cause great damage | openlifescienceai/medmcqa |
Ans. is 'b' i.e.. Primary systemic amyloidosis o Purpura of the eyelids following pinching (pinch purpura) is a characteristicfeature of primary systemic amyloidosiso Pinch purpura of the eyelids are seen in about 30% of the cases ofprimary systemic amyloidoses.o It occurs due to involvement of cutaneous blood vessels ... | openlifescienceai/medmcqa |
Ans. is 'd' i.e., Malonate dehydrogenase o Malonate dehydrogenase is not a rate-limiting enzymes. o HMG-CoA reductase (in cholesterol synthesis), phosphofructokinase I (in glycolysis) and acetyl-CoA carboxylase (in fatty acid synthesis) are rate-limiting enzymes, Reactions Rate-limiting enzymes Glycolysis Phosphofructo... | openlifescienceai/medmcqa |
In cavernous sinus thrombosis, there is bilateral orbital involvement whereas in orbital cellulitis, it is unilateral. | openlifescienceai/medmcqa |
Most common site is liver followed by lung. Other sites which may be involved by E. granulosus are
abdominal cavity
kidney
brain
bone
Scolicidal agents used in hydatid surgery
20% hypertonic saline
0.5% silver nitrate
95% sterile ethanol
Absolute alcohol
Mebendazole 2.4 µg/ml
There is no place for the use of for... | openlifescienceai/medmcqa |
Cyclophosphamide | openlifescienceai/medmcqa |
Acanthosis nigricans, clubbing and dermatomyositis are paraneoplastic cutaneous signs of internal malignancy. | openlifescienceai/medmcqa |
(Appendicitis): Ref: 1159, 1208-LB, 1367-SB (1209-B & L 25th)* Meckel's diverticulitis, which is clinically indistinguishable from appendicitis, should be considered in the differential diagnosis of a patient with right lower quadrant pain (1367-SB)* In children, the single most accurate diagnostic test for Meckel's di... | openlifescienceai/medmcqa |
Wilm's Tumor
Neuroblastoma
Age
Preschool
Preschool
Clinical features
Unilateral flank mass(asymptomatic abdominal mass),abdominal pain,hematuria, hypertension, fever, anorexia, vomiting
Abdominal mass,GI or genitourinary obstruction, proptosis, fever, bone pain, spinal cord compression, diarrhea, flushing, opsoclon... | openlifescienceai/medmcqa |
During Fed state GLUT-2 = Insulin = GLUT-4 = Uptake of glucose by skeletal muscles | openlifescienceai/medmcqa |
Ans. is 'b' i.e., Purkinje System Cardiac tissueConduction velocity (meter/second)SA nodeInteatrial pathwaysAtrial muscleAV nodeBundle of HisPurkinje systemVentricular muscle0 [?] 0510 [?] 300 [?] 05 (minimumQ)14 (maximumQ)1 | openlifescienceai/medmcqa |
Ans. is 'c' i.e., Atosiban o Atosiban is a peptide analogue of oxytocin that acts as antagonist at oxytocin receptors.o It has been found to suppress premature uterine contractions and postpone preterm delivery with fewer cardiovascular and metabolic complications than beta 2 adrenergic agonists. | openlifescienceai/medmcqa |
Zinc polycarboxylate has ability to bond chemically with tooth structure so less chance of failure at tooth cement inteface
In case of gold restorations usually adhesive failure occurs at the interface b/w gold & cement
In case of non-precious metals usually cohesive failure occurs b/w cement layer itself. | openlifescienceai/medmcqa |
Ans. C i.e. Homicidal The Burke and Hare murders (West Po murders) were a series of murders committed in Edinburgh, Scotland over a period of about ten months in 1828. The killings were attributed to Irish immigrants William Burke and William Hare, who sold the corpses of their 16 victims to Doctor Robe Knox as dissect... | openlifescienceai/medmcqa |
Several antibiotic combinations could be used and may vary with the indigenous organisms. Aminoglycoside and cephalosporin are commonly used in combination. The antibiotic combination must cover both Gram-positive and Gram-negative organisms. Antifungal or viral agents are not empirically started unless there is an app... | openlifescienceai/medmcqa |
High quality means providing compressions at the proper depth and rate, making sure not to lean on the chest, and keeping interruptions to an absolute minimum. The AHA CPR quality consensus statement details the components required to optimize CPR: Chest compression fraction > 80% (Stay on the chest and limit interrupt... | openlifescienceai/medmcqa |
Ans. is 'c' i.e., Intussuception | openlifescienceai/medmcqa |
Ans. (c) MesenteryRef: Bailey & Love 26th edJ982* Seat belt syndrome is characterized by tear of mesentery on sudden deceleration while the patient is using a seat belt.* In the absence of seat belt being worn by the car passenger, the chest of the victim would slam into the steering wheel resulting in hemo-pericardium... | openlifescienceai/medmcqa |
.Staging of Malignant Melanoma (It is older staging system) IA: Thickness less than 0.75 mm. IB: Thickness between 0.76 to 1.5 mm. IIA: Thickness between 1.51 to 4.0 mm. IIB: Thickness more than 4.0 mm. IIIA: Any of the above + nodes less than 3 cm. IIIB: Any of the above + nodes more than 3 cm. IV: Any of the above + ... | openlifescienceai/medmcqa |
Iris nodules
There are many types of nodules that develop on iris in granulomatous uveitis:-
Koeppe nodule: - Seen at pupillary margin.
Busacca's nodule: - Seen on the peripheral part of the anterior surface of iris.
Tubercular nodules: - Scattered throughout the iris and ciliary body, mostly in the stroma. They are... | openlifescienceai/medmcqa |
In streptococcal glomerulonephritis, ASO titre is often low. So, retrospective diagnosis is made by anti DNAase and antihyaluronidase. | openlifescienceai/medmcqa |
Heme synthesis
Mnemonic: These 3
Urea cycle
Pathways HUG
Gluconeogenesis
cytoplasm and mitochondria
These 3 pathways takes place partly in cytoplasm and partly in mitochondria. | openlifescienceai/medmcqa |
Infliximab and Etanercept are TNF-aantagonists useful for the treatment of rheumatoid ahritis. These are administered by parenteral route. TNF-a antagonists can cause reactivation of latent tuberculosis. Phenylbutazone -can precipitate the acute attack of asthma | openlifescienceai/medmcqa |
Alcoholic paranoia refers to the development of paranoid delusions in the absence of hallucinations. Ref: Mental Disorders and Somatic Illness By Malcolm Harold Lader, page 190. | openlifescienceai/medmcqa |
. | openlifescienceai/medmcqa |
Ans. is "b' i.e., < 1 per 10000 "As a result of the hard work and meticulously planned and executed activities, the country achieved the goal of elimination of leprosy s public health problem, defined as less than 1 ease per 10000 population. at the National level in the month of December, 2005. As on 31st December 200... | openlifescienceai/medmcqa |
Broca&;s area 44 is in the frontal lobe immediately in front of the inferior end of motor coex which is the inferior frontal gyrus. Ref: Ganong&;s review of medical physiology; 23rd edition; pg:297 | openlifescienceai/medmcqa |
primary structure - detected by = mass spectroscopy (edmans techinique) secondary structure /teiary structure = xray crystallography /nmr spectrometry ref : vasudevan 9th ed | openlifescienceai/medmcqa |
Ans. is 'c' i.e., Accessory nerve Commando operationo Commando operation is done for oral cancers which have involvement of mandibleo It's a composite resection of the# Primary oral cancer,# Involved mandible and# Neck dissection | openlifescienceai/medmcqa |
Resembles flavivirus& belongs to family flaviviridae<\p> REF:ANATHANARAYANAN MICROBIOLOGY NINTH EDITION PAGE.549 | openlifescienceai/medmcqa |
Modified Ferriman-Gallwey score is the most common method for grading the extent of hirsutism in clinical investigation. Scores hair growth from 0-4 in each of 9 androgen-sensitive areas, including the upper lip, chin, chest, upper and lower abdomen, upper arm, thighs, and the upper and lower back.Scores less than 8, 8... | openlifescienceai/medmcqa |
Rib notching is unusual in infancy but becomes more frequent with increased age; it is present in 75% of adults with coarctation. Rib notching occurs along the inferior margin of the third to the eighth ribs; it is caused by pulsation of dilated intercostal aeries Non-vascular causes of rib notching include neurofibrom... | openlifescienceai/medmcqa |
Ans. is 'a' i.e., p. 24 antigen assay (Ref: Ananthanarayan, 9th/e, p. 577 - 578 and 8th/e, p. 576)* p24 antigen is the earliest virus marker to appear in blood and is the one tested for.* It may be detectable in blood after about 2 weeks.Remember: Nucleic acid tests (RT - PCR, BONA, PCR) are the earliest test to become... | openlifescienceai/medmcqa |
Ref: Multiple SourcesExplanation:"Both increase (Fever) and decrease (hypothermia) in body temperature increases basal metabolic rate. " Ref. HarperFactors affecting Basal Metabolic rate (BMR)Increased BMRDecreased BMR* Male sex* Children* Pregnancy* Thyroxine* Testosterone* Growth hormone* Fever* Hypothermia* Stress* ... | openlifescienceai/medmcqa |
Ans. C: Glucoronide Conjugation Chloramphenicol can be detected in blood serum, plasma, cerebrospinal fluid, and urine. It is rapidly absorbed from the gastrointestinal tract and is distributed extensively through the human body, regardless of administration route. Approximately 90% of chloramphenicol is excreted in ur... | openlifescienceai/medmcqa |
Low dose contraceptive pills are in recent use which contains a very minimal dose of estradiol (about 20 - 35 microgram) and desogesterol (a newer progestin). The desogesterol with a high progesteronic activity is preferred compared to the other three progestins. Ref: Textbook of Gynaecology By Rao, 183 - 184; Harrison... | openlifescienceai/medmcqa |
11 - hydroxylase generates coisol from 11-deoxycoisol and coicosterone from 11-deoxycoicosterone.Ref: DM Vasudevan, 7th edition, page no: 665, fig 52.2 and 52.3 | openlifescienceai/medmcqa |
Mean is the preferred measure of central tendency for interval data Median is preferred measure for ordinal data Mode is preferred measure for nominal and dichotomous data Ref: Medical biostatistics, 1st edition pg: 111 | openlifescienceai/medmcqa |
Ref Robbins 9/e p56 The Death Receptor (Extrinsic) Pathway of Apoptosis Many cells express surface molecules, called death recep- tors, that trigger apoptosis. Most of these are members of the tumor necrosis factor (TNF) receptor family, which contain in their cytoplasmic regions a conserved "death domain," so named be... | openlifescienceai/medmcqa |
Ans. is 'a' i.e., Parkinson's disease Diseases of Basal gangliao Three distinct biochemical pathways in the basal ganglia normally operate in a balanced fashion: -1 ) Nigrostriatal dopaminergic system; 2) Intrastriatal cholinergic system; 3) GABAergic system which projects from the stratum to globus pallidus and substa... | openlifescienceai/medmcqa |
Ans: b (2 - 3 rings) Ref:Dhingra, 3rd ed, p. 382 & 4"'ed, p. 292Tracheostomy: Making an opening in the anterior wall of trachea & converting it into a stoma on the skin surfaceTracheotomy: Means opening the trachea, a step in tracheostomy operationTracheostomy can be divided into 3 types:HighMidLowHigh tracheostomy:Abo... | openlifescienceai/medmcqa |
Genome much smaller than those of known virus. Agent is a protien free low molecular wt RNA REF:ANANTHANARYANAN TEXT BOOK OF MICROBIOLOGY 9EDITION PDNO.442 | openlifescienceai/medmcqa |
-Power of a statistical test can be increased by: 1. Increasing the no. of subjects in a trial (sample size) 2. Reducing beta error (probability of Type II error) 3. Increasing sensitivity | openlifescienceai/medmcqa |
Ans. is c, i.e. Shift of apical impulse laterally and upwards in the left 4th intercostal spaceRef. Dutta Obs. 7/e, p 52; Williams Obs. 25/e, p 60-62, 119, 960Clinical findings related to cardiovascular changes occuring during pregnancy:Heart rate (resting) increases by about 10-15 bpm. QApex beat shifts to the 4th int... | openlifescienceai/medmcqa |
Ans. is 'a' i.e., Large intestine * Characterstic features of large intesting are : -i) 3 longitudinal bands, formed by longitudinal muscle coat, called Taeniae coli.ii) Sacculation or haustrationiii) Fat filled peritoneal pouches called appendices epiploicae. These are not found in appendix, caecum, and rectum.iv) Gre... | openlifescienceai/medmcqa |
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