query stringlengths 1 1.57k | pos stringlengths 1 22.5k | idx int64 0 161k | task_name stringclasses 1
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Which Glycogen Storage Disease doesn&;t affect muscles ? | Glycogen storage disease type 1 is an inherited disorder caused by the buildup of a complex sugar called glycogen in the body&;s cells . The accumulation of glycogen in ceain organs and tissues , especially the liver, kidneys, and small intestines, impairs their ability to function normally. Reference: GHAI Essential p... | 151,600 | medmcqa_train |
Which bone is not useful for sex determination? | Important bones used for sex determination are skull, mandible, pelvis, vertebra, femur | 151,601 | medmcqa_train |
Slit lamp examination helps in examination of? | Ans. is 'd' i.e., Posterior capsule Slit-lamp bimicroscopy is very useful in the diagnosis of eye diseases. o It should routinely be performed in almost all diseases of the eye. o Following structures are examined ? Eyelids and lashes Conjunctiva Cornea Anterior chamber Iris Lens : Anterior capsule, coex, nucleus, post... | 151,602 | medmcqa_train |
Which Of the following statements is True? | Inverse Square Law states that Radiation Dose is inversely propoional to the square of distance from the Source of Radiation | 151,603 | medmcqa_train |
The type of inhibition seen in cerebellum is | (D) Feed forward inhibition> Feed forward inhibition--Seen in cerebellum. Stimulation of basket cells produces IPSP (inhibitory post-synaptic potential) in Purkinje cells.> However, both these cells are excited by the same excitatory inputs.> This arrangement is called feed forward inhibition, presumably limits the dur... | 151,604 | medmcqa_train |
Which of the following is the leading cause of GHRH mediated acromegaly? | The leading cause of GHRH mediated acromegaly is chest or abdominal carcinoid tumour. It will present with elevated GH levels and pituitary enlargement on MRI leading to high probability of misdiagnosis as pituitary adenoma. GHRH levels can be used to differentiate a pituitary vs extra pituitary aetiology. | 151,605 | medmcqa_train |
A 33-year-old woman presents to the emergency depament complaining of nausea and vomiting. She states that she has been having significant nausea that has been worsening over the past 2 weeks. Over the past 2 days, she has had 2 episodes of vomiting. She also notes increased fatigue. She has no abdominal pain or vagina... | This patient's presentation, exam findings, and studies are all consistent with a diagnosis of intrauterine pregnancy. First, her presenting complaints of nausea, vomiting, and fatigue are consistent with a first trimester pregnancy. Approximately 80% of pregnant women experience some nausea during the pregnancy, espec... | 151,606 | medmcqa_train |
All are the causes of myocarditis except ? | Ans. is 'b' i.e., Mycobacterium tuberculosis | 151,607 | medmcqa_train |
Arrange the following drugs according to increasing volume of distribution. 1. Haloperidol 2. Gentamicin 3. Heparin 4. Chloroquine | * Chloroquine has highest volume of distribution. It is concentrated in liver and retina. * Heparin is high molecular weight compound and thus not able to cross most membranes. It has low Vd. * Gentamicin again cannot cross many membranes because of polar nature and thus has low Vd. * Haloperidol is a drug working in C... | 151,608 | medmcqa_train |
Voex vein invasion is a feature of | Malignant melanoma of choroid shows extraocular spread along the perivascular spaces of the voex veins or ciliary vessels. Extraocular extension also occurs due to progressive growth of the tumor that may burst through sclera, usually at the limbus Ref. Khurana page no.174 | 151,609 | medmcqa_train |
All are true about auger's except | Velpeau's hernia is prevascular hernia,seen infront of femoral vessels.
Types of femoral hernia
Laugier's hernia.
Vclpeau's hernia.
Seratinis hernia.
Narath's hernia. | 151,610 | medmcqa_train |
A 28-year-old woman complains of chest pain for 1.5 months. Three months prior to the current visit, she developed cough with expectoration, worse in the early morning. There was no shoness of breath or hemoptysis About 2 months after the onset of the cough, she began to have intermittent pleuritic (worse with coughing... | The patient comes with a constellation of weight loss, productive cough, and cavitary pulmonary infiltrates, which is extremely characteristic of TB. The medium being asked is the Lowenstein-Jensen medium, an egg-based solid medium that suppos the growth of Mycobacterium species, including Mycobacterium tuberculosis. C... | 151,611 | medmcqa_train |
The normal growth of the human eye includes all except | The average corneal power at bih is 47.5 D which decreases gradually to adult value of 42.5 D . Thus the corneal power decreases in first 6 months. All other statements are correct. | 151,612 | medmcqa_train |
CMV belongs to which family of DNA viruses ? | Ans. is 'b' i.e., Herpesviridae | 151,613 | medmcqa_train |
Which of the following condition gives the characteristic radiological finding "bone within a bone" appearance? | Radiologic examination of osteopetrosis shows increased bone density and transverse bands in the shafts, clubbing of ends, and veical striations of long bones. Thickening about the cranial foramina is present, and heterotopic calcification of soft tissues is possible. Other characteristic findings include a miniature b... | 151,614 | medmcqa_train |
After returning from a bihday pay, within 6-8 hours a group of 7 friends began to develop non bloody diarrhoea which was associated with cramping abdominal pain and fever.They were admitted in emergency depament and the stool samples were sent and repos showed the presence of Salmonella enteritidis. All are true statem... | Salmonella enteritidis Gram negative, facultative anaerobe Causes nontyphoidal salmonellosis (NTS) but Enteric fever is caused by S.typhi/S.paratyphi Causes non-bloody diarrhoea which may be copious In healthy adults, disease is usually self-limiting and as the antibiotic therapy doesn't change the disease course it is... | 151,615 | medmcqa_train |
Adrenalin increases all of the following blood pressures significantly except | Adrenaline given by slow infusion causes a rise in systolic but fall in diastolic BP, peripheral resistance sometimes may decrease because vascular beta 2 receptors are more sensitive than alpha receptors. beta 2 receptors produce vasodilatation causing fall in diastolic at times Mean BP generally rises. Pulse pressure... | 151,616 | medmcqa_train |
A young man, home on leave from the military, went camping in the woods to detect deer movement for future hunting. Ten days later, he developed fever, malaise, and myalgia. Leukopenia and thrombocytopenia were observed, as well as several tick bites. Which of the following statements best describes human monocytic ehr... | HME, caused by the bite of the tick Amblyomma americanum infected with E. chaffeensis, causes an illness not unlike RMSF, except a rash usually does not occur. Diagnosis is usually made serologically, and treatment of choice is tetracycline. Symptoms include high fever, severe headache, and myalgias. EM is the characte... | 151,617 | medmcqa_train |
FDG-PET negative tumor is: | * 18 FDG negative tumors - Have low mitotic & low metabolic activity (M-TB) - Mucinous Ca- Typical carcinoids- Bronchoalveolar Ca | 151,618 | medmcqa_train |
Inspiratory stridor is due to lesions of: | STRIDOR 1. Inspiratory stridor - obstructive lesion of supraglottis of pharynx. 2. Expiratory stridor - lesion of thoracic trachea, primary and secondary bronchi 3. Biphasic stridor - lesion of glottis sub glottis and cervical trachea. | 151,619 | medmcqa_train |
Grape - like, polypoid, bulky mass protruding through vagina in 4 - year old girl is characteristic of | sarcoma botryoides :
It is a variant of embryonal from of rhabdomyosarcoma.
Here tumour project into body cavity like a bunch of grapes. | 151,620 | medmcqa_train |
Early adolescent age is - | Ans. is 'b' i.e., 10-13 years WHO/UN definitions* Adolescent-10-19 years# Early adotescent-10-13 years# Middle adotescent-14-15 years# Late adolescent-16-19 years* Youth-15-24 years* Young people-10-24 years | 151,621 | medmcqa_train |
Nucleotide includes - | Ans. is 'c' i.e., Base + sugar + phosphate group o Nucleotides are monomeric units of nucleic acids. They are required for synthesis of nucleic acid. Each nucleotide is made up of: (i) A nitrogenous base, (ii) A sugar (pentose sugar) and (iii) A phosphate group (phosphoric acid). Nitrogenous base combines with a sugar ... | 151,622 | medmcqa_train |
All of the following conditions have autosomal dominant inheritance except - | Ans. is 'a' i.e., Fabry's disease Autosomal dominant disorders o Normally a gene pair has two alleles. o When one allele becomes abnormal due to mutation it is called heterozygous state. o When both the alleles become abnormal due to mutation it is called homozygous state. o Autosomal dominant disorders are manifested ... | 151,623 | medmcqa_train |
Prologned treatment with INH leads to deficiency of: | Ans. is 'c' i.e., Pyridoxine o Peripheral neuritis associated with isoniaide probably relates to interference with pyridoxine ( vitamin B6). | 151,624 | medmcqa_train |
True about juvenile respiratory papillomatosis: | Juvenile respiratory papillomatosis: Affects children commonly, Lower respiratory tract can be involved - though larynx is the M/C site affected - Mouth, pharynx, tracheobronchial tree and oesophagus can all be affected May resolve spontaneously Micro laryngoscopic surgery is the Treatment of choice CO, laser surgery, ... | 151,625 | medmcqa_train |
Salt and pepper dyschromatosis is seen in: September 2009 | Ans. B: Scleroderma Skin changes in scleroderma: Skin pigmentary changes include a salt-and-pepper appearance, with areas of hyperpigmentation alternating with hypopigmentation, or an overall appearance of tanned skin that persists long after sun exposure Telangiectasias are dilated vessels located just beneath the der... | 151,626 | medmcqa_train |
Breathing seen in barbiturate poisoning: CMC (Vellore) 14 | Ans. Rapid and shallow | 151,627 | medmcqa_train |
Biological indicator for Autoclave is | Autoclave - Geobacillus stearothermophilus
Hot air oven - CL tetani or bacillus subtilis
Ionizing radiation - Bacillus pumilus. | 151,628 | medmcqa_train |
True about gap junctions are all, except ? | Ans. is 'c' i.e., Intercellular space 1000 nm Gap junctions are intercellular connections consist of a pair of hemichannels (connexons) inseed into the membrane of adjacent cells. Each connexone is made of six identical protein subunits called connexins which enclose a central channel. When the corresponding connexons ... | 151,629 | medmcqa_train |
Which of the following is associated with highest risk of anaphylaxis | Ref Harrison 19 th ed pg 629 intravenous iron dextran, anaphylaxis is a con- cern. Anaphylaxis is much rarer with the newer preparations. The factors that have correlated with an anaphylactic-like reaction include a history of multiple allergies or a prior allergic reaction to dextran (in the case of iron dextran) | 151,630 | medmcqa_train |
The cribriform hymen is seen – | The hymen is a thin fold of connective tissue, covered by mucous membranes, about 1 mm in overall thickness, situated at the vaginal orifice.
They are of different types. Cribriform is one of them, characterized by many small holes.
As a result of sexual intercourse, the hymen is usually torn from posteriorly, with u... | 151,631 | medmcqa_train |
Localised idiopathic fibrosis following except? | Ans. is 'b' i.e., Hyperophic scar | 151,632 | medmcqa_train |
Vhich of the following metabolic pathways does not generate : | D i.e. HMP - Shunt | 151,633 | medmcqa_train |
Role of atropine in iridocyclitis includes all of the following except: | Ans. It lowers the intraocular pressure increasing aqueous outflow facility | 151,634 | medmcqa_train |
Which is a prerequisite for shade selection for composites? | Shade of the tooth is determined before teeth are subjected to drying because dehydrated tooth becomes lighter in colour as a result of decrease in translucency.
Thus shade is selected on a wet tooth.
Reference- Sturdevant 6th ed Pg-483 | 151,635 | medmcqa_train |
Indication for surgical compartment release in compartment Syndrome in any compartment is absolute pressure greater than? | ANSWER: (C) 30 mm HgREF: With text"Setting the threshold for fasciotomy at a perfusion pressure of 30 mmHg can be considered safe, but still may lead to overtreatment if used routinely" REF: Evidence-based Orthopedics - Mohit Bhandari Page 634Different authors consider surgical intervention if: (REF: Tiwari A, Haq A I,... | 151,636 | medmcqa_train |
Most common manifestation of congenital toxoplasmosis | Most common - Chorioretinitis
In adults - Cervical lymphadenopathy. | 151,637 | medmcqa_train |
Index of potency of general anesthesia ? | Ans. is 'a' i.e., Minimum alveolar concentration Minimal alveolar concentration It is the lowest concentration of the anaesthetic in pulmonary alveoli needed to produce immobility in response to a painful stimulus (surgical incision) in 50% individuals. It is the measure of potency of inhalation GAs | 151,638 | medmcqa_train |
Post head injury, the patient had conductive deafness and on examination, tympanic membrane was normal and mobile. Likely diagnosis is - | In post head injury, the conductive deanfess may occur due to:
Fracture temporal bone (more commonly longitudinal) extending to external canal: tympanic membrane is frequently torn and inner ear is spared.
Blood or CSF in external and middle ear.
Damage to ossicle (most frequent being incudo-stapedial joint) resulting... | 151,639 | medmcqa_train |
In emergency tracheostomy the following structures are damaged except? | Isthmus, thyroid ima aery and inferior thyroid veins are midline structures and thus can be injured during tracheostomy, more so during emergency tracheostomy. Inferior thyroid aery, a branch of the thyrocervical trunk of the subclan aery lies laterally away from midline, thus can escape injury. In emergency tracheosto... | 151,640 | medmcqa_train |
Indication for Induction of labor is | Induction is indicated when the benefits to either mother or fetus outweigh those of pregnancy continuation. The more common indications include Membrane rupture without labor, Gestational hypeension, Oligohydramnios, Nonreassuring fetal status, Postterm pregnancy, and Various maternal medical conditions such as chroni... | 151,641 | medmcqa_train |
Cricothyroid joint is a | Cricothyroid joint is a synol joint. Each is formed by inferior cornu of thyroid cailage with a facet on cricoid cailage. Cricoid cailage rotates at these joints on a transverse axis which passes transversely through these joints. | 151,642 | medmcqa_train |
In forensic medicine, the parameter Cephalic index is used in the determination of: | "Race of a dead remains can be determined by Cephalic index, Height index and Nasal index" Cephalic index also known as Breadth index is obtained by multiplying maximum transverse breadth by 100 and dividing it by maximum length of the skull. The breadth is the greatest diameter across the skull above the mastoid proce... | 151,643 | medmcqa_train |
The term MHC restriction refers to which of the following statements? | MHC class I- or class II-restriction means that T cells recognize antigen peptide fragments only when they are presented in the antigen-recognition site of a class I (for CD8+ T cells) or class II MHC molecule(for CD4+ T cells), respectively. | 151,644 | medmcqa_train |
A 70 year old male has a pathologic fracture of femur. The lesion appears lytic on X-ray with a circumscribed punched out appearance. The curetting from fracture site is most likely to show which of the following? | Malignant cells forming osteoid bone | 151,645 | medmcqa_train |
An immunocompromised person presents to PGI with history of seizures had an MRI that revealed a temporal lobe lesion. Brain biopsy results showed multinucleated giant cells with intranuclear inclusions. The most probable cause of the lesion is: | The most probable cause of the lesion is Herpes simplex virus. It causes primary and recurrent disease. Encephalitis, which usually involves the temporal lobe, has a high moality rate. Severe neurologic sequelae are seen in surviving patients. Giant multinucleated cells are typically found at the base of the Herpes vir... | 151,646 | medmcqa_train |
Motor aphasia refers to defect in | In nonfluent aphasia, the lesion is in Broca area. Speech is slow, and words are hard to come by. Patients with severe damage to this area are limited to two or three words with which to express the whole range of meaning and emotion. Sometimes the words retained are those that were being spoken at the time of the inju... | 151,647 | medmcqa_train |
Anti CD20 is | anti cd20 mabs: KD Tripathi 8th ed | 151,648 | medmcqa_train |
What is the treatment of choice for myoclonic epilepsy in children - | Ans. is 'c' i.e., Sodium valporate DOC for myoclonic epilepsy is valproic acid. | 151,649 | medmcqa_train |
Timolol is contraindicated in: | Ans. (C) COPD(Ref: KDT 8th/e p160-161)Timolol is a non-selective b -blocker. It can prevent b2 mediated bronchodilation and thus worsen the condition in patients of bronchial asthma and COPD. | 151,650 | medmcqa_train |
Choose the appropriate lettered site or structure in the following radiograph of the wrist and hand. If the floor of the anatomic snuffbox and origin of the abductor pollicis brevis are damaged, which of the following bones is most likely to be involved? | (b) The scaphoid forms the floor of the anatomic snuffbox and provides a site for origin of the abductor pollicis brevis. | 151,651 | medmcqa_train |
Chandu, a one year old child should be admitted in hospital for following complains except – | A sick child is classified as having Very severe Respiratory Disease U. he shows any of the following signs :
( 2 months to 5 years) :
Not able to drink
Convulsion
Abnormally sleepy or difficult to wake
Stridor in a calm child.
Severe malnutrition
Also, the most important signs to consider if a child has pneumonia a... | 151,652 | medmcqa_train |
Which pattern of enamel etching results in formation of honey comb appearance? | 3 types of patten given in Sturdevant
Type 1 - dissolution of prism core-HONEY COMB APPEARANCE.
Type II – dissolution of prism periphery COBBLESTONE APPEARANCE.
Type III - less distinct pattern, mixture of 1 and 2.
Silverstone gave 5 types.
Type IV - pitted enamel as well as structures that look like unfinish... | 151,653 | medmcqa_train |
All of the following are associated with increased aging, except | Cellular aging is the result of a progressive decline in the lifespan and functional capacity of cells. Several mechanisms are thought to be responsible for cellular aging areDNA damage. A variety of metabolic insults that accumulate over time may result in damage to nuclear and mitochondrial DNA.Decreased cellular rep... | 151,654 | medmcqa_train |
Object permanence milestone develop at? | Ans. is 'b' i.e., 9 month | 151,655 | medmcqa_train |
Depth of AC is: | Anterior chamber(AC) - space between the posterior surface of cornea & the Anterior surface of iris. Depth of anterior chamber is measure from center of cornea to center of pupil average 2.5mm shallow AC- in elderly women, hypermetropes deep AC in young males, myopes volume -0.25 to 0.3 ml BOTH AC AND PC CONTAINS AQEOU... | 151,656 | medmcqa_train |
All of the following are causes of sudden painless loss of vision except: | Ans. Optic atrophy | 151,657 | medmcqa_train |
Which does not handle free radicals inside lens- | Emzymatic antioxidant mechanisms :- Reduced glutathioe (most impoant), glutathione peroxidase, superioxide dismutase, catalase. Non-enzymatic defence mechanisms :- Vitamin C, Vitamin E, and possibly carotenoids. Ref: Various textbooks. | 151,658 | medmcqa_train |
Tibial and common peroneal nerve supplies the muscle (FMGE Dec 2018) | Biceps femoris - hybrid muscle - have two nerves supply - Present in posterior compament (lateral) of thigh It has two heads Long head: 1. Originates from inferomedial pa of upper area of ischial tuberosity. 2. Innervated by sciatic nerve - common fibular division. Sho head: 1. Arise from lateral lip of Linea aspera on... | 151,659 | medmcqa_train |
Which of following statements about extrapyramidal effects of antipsychotic drugs is FALSE? | (Ref: KDT 6/e p430, 431, 432) Extrapyramidal adverse effects of antipsychotic drugs are due to blockade of dopamine receptors. These are less often seen with atypical anti-psychotics like clozapine and risperidone (and more often with classical drugs like haloperidol and chlorpromazine). These effects can be treated wi... | 151,660 | medmcqa_train |
Most common presentation of nasopharyngeal carcinoma - | Ans. is 'a' i.e., Neck nodeo Presenting symptoms and sign of nasopharyngeal carcinoma in order of frequency are :-> Cervical lymphadenopathy (most common) (60-90%) > Hearing loss > Nasal obstruction > Epistaxis > Cranial nerve palsies. CN VI paralysis is the most common of theses > Headache > Earache > Neck pain > Weig... | 151,661 | medmcqa_train |
Evidence not used in rape- | Ans. is 'd' i.e., Presence of smegma under prepuceExamination in a case of rapeA. Examination of victimo Victim cannot be examined without written informed consent. Informed written consent should be obtained if the age of victim is above 12 years. If she is less than 12 years of age or if she is mentally unsound, the ... | 151,662 | medmcqa_train |
Rectified spirit is NOT used as preservative in case of: WB 11; NEET 15 | Ans. Phenol | 151,663 | medmcqa_train |
All of the following statements about injury to common peroneal nerve are true, except | COMMON PERONEAL NERVE:- Smaller terminal branch of sciatic nerve.Root value: dorsal division of ventral rami of L4,L5,S1,S2.Beginning: begins in back of thigh as a smaller subdivision of the sciatic nerve. Course: lies in upper lateral pa of popliteal fossa. It turns around the lateral surface of the fibula. Then it li... | 151,664 | medmcqa_train |
The structure connecting the posterior surface of lens to capsule is called- | Hyaloideocapsular ligament of Weiger or retrolental ligament is a strong adhesion between the lens and posterior capsule. It is a circular adhesion 8-9mm in diameter. This attachment is termed as Egger's Line. Within this circle is a potential space called as Space of Burger or Erggelet's space. Ref: Andres Bernal, Jea... | 151,665 | medmcqa_train |
Fibrous ankylosis is caused by which of the following: March 2005 | Ans. B: TB Ahritis | 151,666 | medmcqa_train |
A 65-year-old male presented to the OPD with progressive dyspnea on exeion for 3 months. Patient records told that he had an episode of necrotizing pancreatitis along with ARDS in the past for which he was mechanically ventilated for a long time. Patient is a chronic smoker. On examination, low pitched inspiratory and ... | Subacute dyspnea, stridor and airway obstruction - consistent with diagnosis of subglottic stenosis - related to his prior prolonged mechanical ventilation. Flow volume curve loop is suggestive of fixed airflow obstruction. | 151,667 | medmcqa_train |
Longest acting loop diuretic is : | Torsemide is the longest acting loop diuretic. | 151,668 | medmcqa_train |
Which of the following is not a crime: | Ans. (c) Incest * Incest is Sexual intercourse with close relative. It is not considered as crime in India. * Other acts like rape and indecent actions are considered as crime in India and are punished as and according to law. # Rape: punished under IPC 376 # Adultery: under IPC 497 - now not a Crime in India # Sodomy ... | 151,669 | medmcqa_train |
The most common cause of epistaxis in a 3 years old child - | Friends – I know some of you must be thinking foreign body as the answer but it is not the most common cause.
M/C cause of epistaxis in children is idiopathic.
2nd M/C cause of epistaxis in children is | 151,670 | medmcqa_train |
Paralysis of 3rd, 4th, 6th nerves with involvement of Ophthalmic division of 5th nerve, localizes the lesion to- | *Paralysis of 3rd, 4th, 6th nerve and involvement of Ophthalmic division of 5th nerve -> cavernous sinus thrombosis. *Paralysis of 3rd, 4th, 6th nerve, Ophthalmic division of 5th nerve plus optic nerve signs -> orbital apex syndrome. Ref: Khurana 7th/e p.428 | 151,671 | medmcqa_train |
Investigation of choice for evaluation of upper abdominal trauma | Initial investigation in abdominal trauma is FAST (USG) IOC in Abdominal Trauma - CECT | 151,672 | medmcqa_train |
Transpulmonary pressure is difference between? | ANSWER: (B) pressure in alveoli and intrapleural pressureREF: Ganong 22nd ed p. 648Transpulmonary pressure is a term used to describe the difference between the alveolar pressure and the intrapleural pressure in the lungs. During human ventilation, air flows because of pressure gradient | 151,673 | medmcqa_train |
Which of the following is a subcutaneous muscle? | Palmaris brevisREF: Gray's anatomy 39th edition p. 919Subcutaneous muscles of body are:1. Platysma 2. Palmaris brevis 3. Daos muscle 4. Facial muscles | 151,674 | medmcqa_train |
Cause of death in Acute rheumatic fever is ? | Ans. is 'c' i.e., Endocarditis | 151,675 | medmcqa_train |
The source of endogenous radiation is | Ans. is 'b' i.e.. Potassium o Radiation is pa of man's environment. | 151,676 | medmcqa_train |
Lens used in Astigmatism: | Ans. (b) CylindricalRef: A.K. Khurana 6th ed. 142-423* Astigmatism is a common eye condition that's easily corrected by eyeglasses, contact lenses, or surgery.* It is caused by an eye that is not completely round. It is a type of refractive error.* Cause: Astigmatism is a natural and commonly occurring cause of blurred... | 151,677 | medmcqa_train |
Triple surgery in glaucoma includes all of the following except - | Answer- C. Inseion of drainage deviceTRABECULECTOMYECCEPCIOL INSEION | 151,678 | medmcqa_train |
Laser welding | Laser welding of titanium has facilitated repair of titanium frameworks because of the low thermal conductivity of titanium and localized heating during laser welding.
Laser welding in an argon gas atmosphere is a method of choice for joining titanium components of dental prostheses, because the coherent, high-intensit... | 151,679 | medmcqa_train |
A 52-year-old man complains of pain in his back and fatigue for 6 months. He admits to polyuria and polydipsia. An X-ray film of the upper torso reveals numerous lytic lesions in the lumbar vertebral bodies. Laboratory studies show hypoalbuminemia and mild anemia and thrombocytopenia. A monoclonal immunoglobulin peak i... | AL amyloid usually consists of the variable region of immunoglobulin light chains and can be derived from either the kappa (k) or lambda (l) moieties. Since the light chains produced by the neoplastic cells in plasma cell dyscrasias are unique to each patient, AL amyloid isolated from different persons differs in its a... | 151,680 | medmcqa_train |
Which of the following inhalation anaesthetics should be avoided in middle ear surgery when tympanic grafts are used: | Nitrous oxide | 151,681 | medmcqa_train |
Which of the following antiglaucoma drugs can result in this adverse effect? | Ans. (B) LatanoprostThe image shows overgrowth of eyelashes, It is also known as hyper trichosis. It is an adverse effect of PFG2a analogs like latanoprost. | 151,682 | medmcqa_train |
Which is the commonest childhood tumor - | Ans. is 'a' i.e., ALL | 151,683 | medmcqa_train |
All of the following are good prognostic factors for childhood. All except - | Ans. is 'c' i.e., Pre B-Cell ALL o Pre B cell ALL has poor prognosis. | 151,684 | medmcqa_train |
X-ray sign of pneumoperitoneum is | Rigler's sign - bowel wall outlined by intraluminal and free peritoneal gas. | 151,685 | medmcqa_train |
According to federation dental lower left canine is designated as- | According to FDI, left lower canine is designated as 33. Ref: K.S.Narayan Reddy's synopsis of Forensic Medicine and Toxicology ,29 th edition Chapter4.page no -60 | 151,686 | medmcqa_train |
A 48-year-old woman develops constipation postoperatively and self-medicates with milk of magnesia. She presents to clinic, at which time her serum electrolytes are checked, and she is noted to have an elevated serum magnesium level. Which of the following represents the earliest clinical indication of hypermagnesemia? | The earliest clinical indication of hypermagnesemia is loss of deep tendon reflexes. States of magnesium excess are characterized by generalized neuromuscular depression. Clinically, severe hypermagnesemia is rarely seen except in those patients with advanced renal failure treated with magnesium-containing antacids. Ho... | 151,687 | medmcqa_train |
A 45-years-old lady complains of contact bleeding. She has positive pap smear. The next line of management is: | Ans. is a, i.e. Colposcopy directed biopsyThere are 2 situations in questionWherever a female comes with post coital bleeding(This is a specific complain for Ca cervix)|Do a per speculum examination|||Growth is visibleNothing visible||Punch biopsyColposcopy(ii) When a female comes to you with abnormal pap smear.In LSIL... | 151,688 | medmcqa_train |
Nerve supply of Trapezius | TRAPEZIUS: Origin: medial 1/3 rd of superior nuchal line., ligamentum nuchae, external occipital protuberance and spines of C7-T12 veebrae. Inseion:-lateral 1/3rd of clavicle., medial margin of acromion,superior margin of spine of scapula. Nerve supply: spinal accessory( motor),C3,C4 spinal nerves ( proprioceptive). Ac... | 151,689 | medmcqa_train |
In a patient with massive thromboembolism with hypotension after a fluid bolus of 1 L, the patient’s blood pressure remains low at 88/50 mmHg.Echocardiogram demonstrates hypokinesis of the right ventricle.What is the next best step in management of this patient? | This patient is presenting with massive pulmonary embolus with ongoing hypotension, right ventricular dysfunction, and profound hypoxemia requiring 100% oxygen.
In this setting, continuing with anticoagulation alone is inadequate, and the patient should receive circulatory support with fibrinolysis, if there are no con... | 151,690 | medmcqa_train |
Fracture treatment can be described as:
a. Reduction
b. Retention
c. Rehabilitation
d. Reunion. | Fracture treatment can be best described as Reduction, Retention, Rehabilitation. | 151,691 | medmcqa_train |
A normal child develops the ability to use 10 words with meaning at the age of | <p>. Developmental milestones:- GROSS MOTOR DEVELOPMENT: 2 months: Holds head in plane of rest of the body when held in ventral suspension. In prone position in bed, the chin lifts momentarily. 3 months:lift head above the plane of the body. Head control stas by 3 months and fully developed by 5 months. 4 months:Remain... | 151,692 | medmcqa_train |
Which of the following is seen in high altitude climbersa) Hyperventilationb) Decreased PaCO2c) Pulmonary edemad) Hypertensione) Bradycardia | At high altitude, there can be acute changes and changes due to acclimatization.
- Acute mountain sickness
Dyspnoea, dizziness, tiredness, tachycardia, palpitation, nausea, vomiting etc.
At higher altitudes- pulmonary oedema and cerebral oedema may occur.
- Acclimatization changes
Hyperventilation leading to respir... | 151,693 | medmcqa_train |
Most important amino acid which acts as methyl group donor- | Ans. is 'b' i.e., Methionineo Methionine is activated into S-adenosylmethionine, which then transfers its methyl group to an acceptor. Thus methionine acts as methyl donor in transmethylation reactions.o Some of the important transmethylation reactions are-i) Norepinephrine - Epinephrineii) Phosphatidylethanolamine - P... | 151,694 | medmcqa_train |
All of the following associated with extraocular muscles weakness except | In thyrotoxicosis, there is fibrosis of muscle. I. E restrictive myopathy Refer khurana 6/e p 420 | 151,695 | medmcqa_train |
Most common nerve injured during thyroidectomy | MC injured nerve - External branch of superior laryngeal nerve (aka External laryngeal nerve) | 151,696 | medmcqa_train |
The main sites for oxidative deamination are: | Only liver mitochondria contain glutamate dehydrogenase (GDH) which deaminates glutamate to alpha keto glutarate plus ammonia.
The hydrolysis of glutamine also yields NH3 but this occurs mainly in the kidney where the NH4+ excretion is required for acid-base regulation.
Reference: Vasudevan 7th ed, pg 202 | 151,697 | medmcqa_train |
Best management of vault prolapse is: | Vault Prolapse:
It is a long complication of hysterectomy and refers to prolapse of the vaginal stump left behind after performing hysterectomy.
Management
Patient is fit for abdominal surgery
↓
Trans abdominal sacral colpopexy
(Mesh is attached to the vault and sacral promontory).
It is the gold s... | 151,698 | medmcqa_train |
b -blockers are used in all except? | Ans. is 'c' i.e., Variant angina We all know that attacks of variant angina occur due to coronary vasospasm. So, the drugs which relieve coronary vasospasms will be used in variant angina (C.C.B.'s, Nitrates) b blockers are contraindicated in these patients because 13 blockers, instead of dilating the coronary aeries c... | 151,699 | medmcqa_train |
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