tag:blogger.com,1999:blog-2649822511498143527Sat, 07 Sep 2024 01:09:57 +0000osmolality articlecentral nervous system physiology mcqsosmolality mcqsaiims may 2005 physiology mcqs with answersmcqsphysiologyaiims physiology mcqsfaecal osmolalityganonghyponatremia investigationosmolality and kidney physiologyosmolality physiologypeptide hormones mcqsurine osmolality1 to 13 clotting factors13 clotting factors listOsmolality introductionabnormal rhythmadrenal medullaagraphiaaiims may 2006 physiology mcqs with answers part 1aiims may 2006 physiology mcqs with answers part 2aiims may 2010 physiology mcqs with answersaiims november 2008 complete paperaiims november 2008 physiology mcqsaiims past papers physiology mcqsalexiaanti diuretic hormone receptorsantihemophilic factoraphasiaaphemiaarteriolesavogadro's numberbasal metabolic rate mcqsbroca's aphasiacalculation of faecal osmolalitycapillariescauses of increased osmolalitycauses of increased osmolar gapcerebellum physiologycerebrospinal fluidcholagoguescholecystokinincholegoguescholerecticschristmas factorchromosomes mcqsclotting cascade mechanism basicsclotting factors listcomedk physiology mcqsconductive aphasiacsfcushing's triaddap/ip3 second messenger system hormonesdifferential diagnosis of hypernatremia and hyponatremiadigestive enzymes physiology mcqsecg physiology mcqselectromyography mcqsendocrinal physiologyendocrinology mcqserectile dysfunction physiologyfactors affecting basal metabolic ratefactors affecting les pressurefactors affecting lower esophageal sphincter pressurefactors decreasing insulin secretionfactors increasing insulin secretionfactors influencing bmrfactors influencing gastric emptyingfactors regulating insulin secretionfaecal osmolar gapfastigi nucleusgastringastrointestinal physiology mcqsglobal aphasiaglobase and emboliform nucleiglucosehageman factorhematology mcqshormonal control of gastrointestinal motilityhormones which act through the phopholipase c systeminsulin physiology mcqskinociliumlaw of projectionlung physiology mcqsmeasurement of body fluid volumesmechanism of action of hormonesmyosinneocerebellumnocturnal penile erectionnocturnal penile tumescencenormal pressures in the heart and great vesselsnormal pressures of atria and ventriclesnormal pressures of pulmonary arterynormal pressures of the cardiovascular systemnptosmolality and ADHosmolality and ADH physiologyosmolality and ADH relationosmolality calculating formulaosmolality clinical usesosmolality measurementosmolality usesosmolar gap identificationosmometerosmotic diarrheaoxygen hemoglobin dissociation curve mcqsparts of cerebellumpgi chandigarh 2001 physiology mcqspgimer chandigarh 2001 december paper mcqs with answersphantom limbphysiology aiims past papersphysiology mcqsphysiology mcqs from past aiims papersphysiology mcqs from past medical pg entrance papersphysiology mock test 1prostate mcqsprothrombin timeregulation of insulin secretionrem sleep and wakefulness differencesrenal clearancerenal failure mcqsrespiratory system physiology mcqsright parietal loberight ventricular pressuresecond messengers mcqssecondary messenger systemssecretin actionssensory dermatomesserum osmolalityserum osmolality calculation formulaserum osmolar gapsiadh identificationsimethiconespinocerebellumstereociliasubstantia gelatinosa rolandosympathetic nervous systemtransportor binding proteinstropomyosintroponintrue hyponatremiaunits of osmolalityv1a receptorv1b receptorv2 receptorvanilloid receptorsvasopressin action on various organsvasopressin receptorsveins mcqsvestibulo-cerebellumwernicke's aphasiahttp://ourphysiology.blogspot.com/noreply@blogger.com (Unknown)Blogger36125en-usnounauthorised copying and publishing of any material from this blog is strictly prohibitedhuman,physiology,multiple,choice,questions,mcqs,on,human,organ,systems,functioning,physiologyhuman physiology multiple choice questions mcqs on human organ systems functioning physiology human physiology mcqsdoctorprashanthparigela@gmail.comdoctortag:blogger.com,1999:blog-2649822511498143527.post-6324694409904165307Fri, 21 May 2010 09:46:00 +00002010-05-21T02:46:50.440-07:00aiims may 2010 physiology mcqs with answersaiims past papers physiology mcqsphysiology mcqs from past aiims papers16. Appetite is stimulated by A/E a) Agouti related peptide b) Melanocyte concentrating hormone c) Melanocyte stimulating hormone d) Neuropeptide Y answer c. Melanocyte stimulating hormone. 17. Capacitation occurs in a) Uterus b) Seminal vesicle c) Epididymis d) Vas deferens answer a. Uterus. 18. The main cause of increased blood flow to exercising muscles is a) Raised blood pressure b) http://ourphysiology.blogspot.com/2010/05/36-aiims-may-2010-physiology-mcqs.html0prashanthparigela@gmail.com (doctor)tag:blogger.com,1999:blog-2649822511498143527.post-1282743123614907131Thu, 04 Mar 2010 06:39:00 +00002010-03-03T22:42:53.996-08:00dap/ip3 second messenger system hormoneshormones which act through the phopholipase c systemmechanism of action of hormonespeptide hormones mcqssecondary messenger systems http://ourphysiology.blogspot.com/2010/03/35-second-messengers.html2prashanthparigela@gmail.com (doctor)tag:blogger.com,1999:blog-2649822511498143527.post-8893391493688643051Mon, 22 Feb 2010 11:37:00 +00002010-02-23T08:16:51.700-08:00factors decreasing insulin secretionfactors increasing insulin secretionfactors regulating insulin secretionregulation of insulin secretion*FACTORS THAT INCREASE INSULIN SECRETION: - Increase in blood glucose - Increase in blood free fatty acids - Increase in blood amino acids - Gastrointestinal hormones (Gastrin, CCK, Secretin and GIP) - Glucagon, GH, Cortisol - Parasympathetic stimulation; Acetyl choline - Beta-adrenergic stimulation - Insulin resistance; Obesity - Sulfonyl urea drugs (Glyburide, Tolbutamide) *FACTORS THAT http://ourphysiology.blogspot.com/2010/02/34-factors-controlling-insulin.html0prashanthparigela@gmail.com (doctor)tag:blogger.com,1999:blog-2649822511498143527.post-2608219251722156141Mon, 22 Feb 2010 10:10:00 +00002010-02-22T02:11:16.718-08:00cholecystokinincholegoguescholerecticsfactors influencing gastric emptyinggastrinhormonal control of gastrointestinal motilitysecretin actions*Gastrin is secreted by the “G” cells of the antrum of the stomach in response to stimuli associated with ingestion of a meal, such as distention of the stomach, the products of proteins, and gastrin releasing peptide, which is released by the nerves of the gastric mucosa during vagal stimulation. *The primary actions of gastrin are : (1) stimulation of gastric acid http://ourphysiology.blogspot.com/2010/02/hormonal-control-of-gastrointestinal.html0prashanthparigela@gmail.com (doctor)tag:blogger.com,1999:blog-2649822511498143527.post-6587352237198893122Thu, 28 Jan 2010 12:01:00 +00002010-01-28T04:01:40.408-08:00comedk physiology mcqsfactors affecting les pressurefactors affecting lower esophageal sphincter pressuregastrointestinal physiology mcqssimethicone http://ourphysiology.blogspot.com/2010/01/32-factors-affecting-lower-esophageal.html0prashanthparigela@gmail.com (doctor)tag:blogger.com,1999:blog-2649822511498143527.post-5955098060161816948Mon, 25 Jan 2010 16:50:00 +00002010-01-25T09:04:36.015-08:00agraphiaalexiaaphasiaaphemiabroca's aphasiaconductive aphasiaglobal aphasiawernicke's aphasia The major language centers of the brain. The motor and sensory areas are presented as landmarks. Interconnecting functional pathways are indicated by letters: A) The connection between Wernicke's and Broca's areas, mediating expression of language utterances in speech; B) The connection between Broca's area and the primary motor area; C) Connection between primary auditoryhttp://ourphysiology.blogspot.com/2010/01/31-aphasia.html0prashanthparigela@gmail.com (doctor)tag:blogger.com,1999:blog-2649822511498143527.post-1482146818900739969Mon, 25 Jan 2010 11:45:00 +00002010-01-25T03:45:35.258-08:00cerebellum physiologyfastigi nucleusglobase and emboliform nucleineocerebellumparts of cerebellumspinocerebellumvestibulo-cerebellum*Cerebellum is mainly divided into three parts : 1. Vestibulo cerebellum (Flocculonodular lobe) : Connected to Vestibular nucleus in Brainstem directly . 2. Spinocerebellum : It is divided into 2 parts : - Medial portion : Fastigi nucleus - Brainstem (so connected indirectly) - Lateral portion : Globase and Emboliform nuclei - Brainstem (so connected indirectly) 3. Neo-cerebellum : - Dentate http://ourphysiology.blogspot.com/2010/01/30-cerebellum.html0prashanthparigela@gmail.com (doctor)tag:blogger.com,1999:blog-2649822511498143527.post-7002889813077379941Fri, 01 Jan 2010 11:05:00 +00002010-01-01T03:05:45.526-08:00chromosomes mcqsphysiology mcqs from past medical pg entrance papersphysiology mock test 11)In Wallerian degeneration of a peripheral nerve : a) The axons regenerate at a rate of 1 cm / day. b) Occurs in the distal portion of the broken axon leaving an empty tubule c) Is a feature of neuropraxia d) All the above 2) Surfactant is a substance that : a) Is produced in the liver of new borns b) Is important in the new borns but is of little importance in adults c) Is produced in http://ourphysiology.blogspot.com/2010/01/29-physiology-mock-test-1.html0prashanthparigela@gmail.com (doctor)tag:blogger.com,1999:blog-2649822511498143527.post-4543072455206641813Sun, 13 Dec 2009 14:16:00 +00002009-12-13T06:16:35.740-08:00normal pressures in the heart and great vesselsnormal pressures of atria and ventriclesnormal pressures of pulmonary arterynormal pressures of the cardiovascular system Normal Pressures in the Heart and Great Vessels Type of Pressure Average (mm Hg) Range (mm Hg) Right atrium 3 0–8 Right ventricle    Peak-systolic 25 15–30 End-diastolic 4 0–8 Pulmonary artery    Mean 15 9–16 Peak-systolic 25 15–30 End-diastolic 9 4–14 Pulmonary artery occlusion    Mean 9 2–12 Left atrium    Mean 8 2–12 A wave 10 4–16 V wave 13 http://ourphysiology.blogspot.com/2009/12/28-normal-pressures-in-heart-and-great.html0prashanthparigela@gmail.com (doctor)tag:blogger.com,1999:blog-2649822511498143527.post-7316903670809661425Mon, 05 Oct 2009 11:21:00 +00002009-10-05T04:23:55.683-07:00anti diuretic hormone receptorsendocrinal physiologyv1a receptorv1b receptorv2 receptorvasopressin action on various organsvasopressin receptors*The cellular effects of vasopressin (ADH) are mediated mainly by interactions of the hormone with the three types of receptors, V1a, V1b, and V2. *The V1a receptor is the most widespread subtype of Vasopressin receptor; it is found in vascular smooth muscle, the adrenal gland, myometrium, the bladder, adipocytes, hepatocytes, platelets, renal medullary interstitial cells, vasa recta http://ourphysiology.blogspot.com/2009/10/27-vasopressin-receptors.html0prashanthparigela@gmail.com (doctor)tag:blogger.com,1999:blog-2649822511498143527.post-5302052155949707612Sun, 06 Sep 2009 14:46:00 +00002009-09-06T07:46:33.001-07:00erectile dysfunction physiologynocturnal penile erectionnocturnal penile tumescencenptNocturnal penile tumescence (NPT) is the spontaneous occurrence of an erection of the penis during sleep. All men without physiological erectile dysfunction experience this phenomenon, usually three to five times during the night. It typically happens during REM sleep. NPT has been given numerous colloquial names which are typically related to the first time the erection is discovered, namely http://ourphysiology.blogspot.com/2009/09/26-nocturnal-penile-tumescence-npt.html0prashanthparigela@gmail.com (doctor)tag:blogger.com,1999:blog-2649822511498143527.post-6487082107262360904Mon, 08 Jun 2009 06:57:00 +00002009-06-07T23:57:31.698-07:00aiims may 2006 physiology mcqs with answers part 2aiims physiology mcqscushing's triadelectromyography mcqsprostate mcqsrem sleep and wakefulness differences6q: which of the following organs secrete zinc in large amounts in man ? a. seminal vesicle b. prostate c. epididymis d. vas answer c. prostate 7q: follicular stimulating hormone receptors are present on ? a. theca cells b. granulosa cells c. leydig cells d. basement membrane of ovarian follicle answer b. granulosa cells 8q: the main difference between REM sleep and http://ourphysiology.blogspot.com/2009/06/25-aiims-may-2006-mcqs-with-answers.html0prashanthparigela@gmail.com (doctor)tag:blogger.com,1999:blog-2649822511498143527.post-7631446196959420839Mon, 08 Jun 2009 06:53:00 +00002009-06-07T23:53:22.153-07:00aiims may 2006 physiology mcqs with answers part 1aiims physiology mcqsoxygen hemoglobin dissociation curve mcqssecond messengers mcqsvanilloid receptors1q: vanilloid receptors are activated by ? a. pain b. vibration c. touch d. pressure answer a. pain 2q: the sodium-potassium pump is an example of ? a. active transport b. passive transport c. facilitated diffusion d. osmosis answer a. active transport 3q: which one of the following acts as a second messenger ? a. Mg++ b. Cl- c. Ca++ d. PO4+3 answer c . Ca http://ourphysiology.blogspot.com/2009/06/24-aiims-may-2006-mcqs-with-answers.html0prashanthparigela@gmail.com (doctor)tag:blogger.com,1999:blog-2649822511498143527.post-6797412231935756856Thu, 30 Apr 2009 05:33:00 +00002009-04-29T22:33:44.285-07:00calculation of faecal osmolalityfaecal osmolalityfaecal osmolar gaposmolality articleosmolality mcqsosmotic diarrhea Faecal osmolality is used to determine the faecal osmolar gap. This is defined as the difference between the measured osmolality and an osmolality calculated from 2 x (Na+K).  If the gap is greater than 100 mmol/L this is consistent with an osmotic diarrhoea (eg carbohydrate (poor absorption, eg mannitol, sorbitol, lactulose); monosaccharides; short chain fatty acids; magnesium as used http://ourphysiology.blogspot.com/2009/04/23-faecal-osmolar-gap.html0prashanthparigela@gmail.com (doctor)tag:blogger.com,1999:blog-2649822511498143527.post-4969701859272871037Thu, 30 Apr 2009 05:32:00 +00002009-04-29T22:32:20.500-07:00differential diagnosis of hypernatremia and hyponatremiaosmolality articlerenal failure mcqssiadh identificationurine osmolalityUrine osmolality is an important test for the concentrating ability of the kidney. Interpretation of urine osmolality must always be made in the light of the appropriate physiological response to the state of hydration of the patient. The test is useful in the following areas: For determining the differential diagnosis of hyper- or hyponatraemia. For identifying SIADH (urine http://ourphysiology.blogspot.com/2009/04/22-urine-osmolality.html0prashanthparigela@gmail.com (doctor)tag:blogger.com,1999:blog-2649822511498143527.post-3447679172687261167Thu, 30 Apr 2009 05:30:00 +00002009-04-29T22:30:16.830-07:00causes of increased osmolar gaposmolality articleosmolality mcqsserum osmolality calculation formulaserum osmolar gapThe osmolar gap is determined by subtracting the calculated osmolality from the measured osmolality. While there are many formulae for the calculated osmolality, the most commonly used is: Calculated osmolality = 2 x serum sodium + serum glucose + serum urea (all in mmol/L). The normal osmolar gap is up to 10 mmol/L and values in excess of this usually indicate the presence of an exogenous http://ourphysiology.blogspot.com/2009/04/21-serum-osmolar-gap.html0prashanthparigela@gmail.com (doctor)tag:blogger.com,1999:blog-2649822511498143527.post-2500615421758180387Thu, 30 Apr 2009 05:28:00 +00002009-04-29T22:28:13.008-07:00causes of increased osmolalityhyponatremia investigationosmolality articleosmolality mcqsserum osmolalitytrue hyponatremia Serum osmolality is a useful preliminary investigation for identifying the cause of hyponatraemia. If a patient with significant hyponatraemia (serum sodium < 130 mmol/L) has a normal plasma osmolality, the patient may have pseudohyponatraemia due to excess lipids or proteins, or the sample may have been collected from a drip arm containing dextrose.  If the patient has an increased http://ourphysiology.blogspot.com/2009/04/20-serum-osmolality.html0prashanthparigela@gmail.com (doctor)tag:blogger.com,1999:blog-2649822511498143527.post-3747611424978237670Thu, 30 Apr 2009 05:26:00 +00002009-04-29T22:26:26.045-07:00faecal osmolalityhyponatremia investigationosmolality articleosmolality clinical usesosmolality mcqsosmolality usesosmolar gap identification Serum osmolality is used in two main circumstances: investigation of hyponatraemia and identification of an osmolar gap. Urine osmolality is an important test of renal concentrating ability, for identifying disorders of the ADH mechanism, and identifying causes of hyper-or hyponatraemia. Faecal osmolality can be used to assist with diagnosis of the cause of diarrhoea. http://ourphysiology.blogspot.com/2009/04/19-osmolality-clinical-uses.html0prashanthparigela@gmail.com (doctor)tag:blogger.com,1999:blog-2649822511498143527.post-6443243118355069674Thu, 30 Apr 2009 05:24:00 +00002009-04-29T22:24:20.077-07:00osmolality and ADH physiologyosmolality and kidney physiologyosmolality calculating formulaosmolality measurementosmometerThe osmolality of a solution can be measured using an osmometer. The most commonly used instrument in modern laboratories is a freezing point depression osmometer. This instrument measures the change in freezing point that occurs in a solution with increasing osmolality. Osmolality can be measured in samples of serum (gold top tube) or heparin plasma (lime top tube). Plasma osmolality can also http://ourphysiology.blogspot.com/2009/04/18-osmolality-measurement.html0prashanthparigela@gmail.com (doctor)tag:blogger.com,1999:blog-2649822511498143527.post-6926871565009989634Thu, 30 Apr 2009 05:22:00 +00002009-04-29T22:22:56.454-07:00osmolality and ADH relationosmolality and kidney physiologyosmolality articleosmolality physiologyurine osmolalityThe osmolality of plasma is closely regulated by anti-diuretic hormone (ADH). In response to even small increases in plasma osmolality (usually rises in plasma sodium), ADH release from the pituitary is increased causing water resorption in the distal tubules and collecting ducts of the kidney and correction of the increased osmolality. The opposite happens in response to a low plasma osmolality http://ourphysiology.blogspot.com/2009/04/17-osmolality-physiology.html0prashanthparigela@gmail.com (doctor)tag:blogger.com,1999:blog-2649822511498143527.post-5513432786074419034Thu, 30 Apr 2009 05:20:00 +00002009-04-29T22:20:48.415-07:00avogadro's numberosmolality and ADHOsmolality introductionosmolality mcqsosmolality physiologyunits of osmolalityOsmolality is a count of the number of particles in a fluid sample. The unit for counting is the mole which is equal to 6.02 x 1023 particles (Avogadro's Number). Molarity is the number of particles of a particular substance in a volume of fluid (eg mmol/L) and molality is the number of particles disolved in a mass weight of fluid (mmol/kg). Osmolality is a count of the total number of http://ourphysiology.blogspot.com/2009/04/16-osmolality-introduction.html0prashanthparigela@gmail.com (doctor)tag:blogger.com,1999:blog-2649822511498143527.post-581892609686015760Mon, 20 Apr 2009 07:17:00 +00002009-04-20T03:28:15.068-07:00basal metabolic rate mcqsfactors affecting basal metabolic ratefactors influencing bmrpgi chandigarh 2001 physiology mcqspgimer chandigarh 2001 december paper mcqs with answers1q: which of the following statements is true regarding basal metabolic rate ? a. increased in starvation b. it is not influenced by hormonal changes c. it is not affected by dietary changes d. decreased by 40 % in starvation e. it is not affected by energy expenditure answer only ‘d’ is the correct statement Some important points about basal metabolic rate : 1. the energy expendedhttp://ourphysiology.blogspot.com/2009/04/15-basal-metabolic-rate-mcqs-with-notes.html0prashanthparigela@gmail.com (doctor)tag:blogger.com,1999:blog-2649822511498143527.post-6516104997498389440Fri, 27 Mar 2009 10:29:00 +00002009-03-27T03:30:47.507-07:00aiims may 2005 physiology mcqs with answersendocrinology mcqsmeasurement of body fluid volumespeptide hormones mcqstransportor binding proteins10q: there is a mutation of gene coding for the ryanodine receptors in malignant hyperthermia . which of the following statements best explains the increased heat production in malignant hyperthermia ?a. increased muscle metabolism by excess of calcium ionsb. thermic effect of foodc. increased sympathetic discharged. mitochondrial thermogenesis answer a. increased muscle metabolism by excess ofhttp://ourphysiology.blogspot.com/2009/03/14-aiims-may-2005-physiology-mcqs-with.html0prashanthparigela@gmail.com (doctor)tag:blogger.com,1999:blog-2649822511498143527.post-7628884103500418845Fri, 27 Mar 2009 10:27:00 +00002009-03-27T03:29:01.608-07:00aiims may 2005 physiology mcqs with answersdigestive enzymes physiology mcqslung physiology mcqsrespiratory system physiology mcqsveins mcqs6q: all of the following enzymes are active with in a cell except?a. trypsinb. fumarasec. exokinased. alcohol dehydrogenase answer a. trypsin 7q: exercise is also prescribed as an adjuvant treatment for depression . most probably this acts by ?a. increasing pulse pressureb. improving hemodynamicsc. raising endorphin levelsd. inducing good sleep answer c. raising endorphin levels 8q: the http://ourphysiology.blogspot.com/2009/03/13-aiims-may-2005-physiology-mcqs-with.html0prashanthparigela@gmail.com (doctor)tag:blogger.com,1999:blog-2649822511498143527.post-625243194334922900Fri, 27 Mar 2009 10:18:00 +00002009-03-27T03:31:16.970-07:00aiims may 2005 physiology mcqs with answersecg physiology mcqsinsulin physiology mcqslaw of projectionphantom limb1q: group A nerve fibers are more susceptible to ?a. pressureb. hypoxiac. local anaestheticsd. temperature answer a. pressure 2q: in a fetus the insulin secretion begins by ?a. 3 monthsb. 5 monthsc. 7 monthsd. 9 months answer a . 3 months 3q: phantom limb sensations are best described by ?a. weber Fechner lawb. power lawc. bell magendie lawd. law of projection answer d. law of http://ourphysiology.blogspot.com/2009/03/12-aiims-may-2005-physiology-mcqs-with.html0prashanthparigela@gmail.com (doctor)