Description : Where do branch roots originate? -Biology
Last Answer : answer:
Description : Assertion `:-` Antidiuretic hormone, increases the water permeability of distal convoluted tubule. Reason `:-` In the absence of ADH, water re-absorpt
Last Answer : Assertion `:-` Antidiuretic hormone, increases the water permeability of distal convoluted tubule. Reason ... . If both Assertion & Reason are false.
Description : Assertion `:-` Angiotensin II is a powerful vasconstrictor Reason `:-` Aldosterone causes reabsorption of `Na^(+)` and water from distal parts of the
Last Answer : Assertion `:-` Angiotensin II is a powerful vasconstrictor Reason `:-` Aldosterone causes reabsorption of ... D. If both Assertion & Reason are false.
Description : Water reabsorption in the distal parts of kidney tubules is regulated by
Last Answer : Water reabsorption in the distal parts of kidney tubules is regulated by A. STH B. TSH C. ADH D. MSH
Description : Assertion : Distal centriole acts as a basal granule . Reason : Distal centriole induces cleavage in egg.
Last Answer : Assertion : Distal centriole acts as a basal granule . Reason : Distal centriole induces cleavage in egg ... D. If both Assertion & Reason are False.
Description : Which of the following causes an increase in sodium reabsorption in the distal convoluted tubule
Last Answer : Which of the following causes an increase in sodium reabsorption in the distal convoluted tubule ... levels D. Decrease in antidiuretic hormone levels
Description : What structure is between the proximal and distal convoluted tubules?
Last Answer : Need answer
Description : Distal?
Last Answer : DefinitionDistal refers to sites located away from a reference point. The hand is distal to the shoulder. The thumb is distal to the wrist. Usually, that reference point is the center or midline of the body.
Description : The wrist is located_____ of the elbow: a. proximal b. medial c. distal d. ventral?
Last Answer : proximal
Description : Furosemide inhibits reabsorption of sodium and chloride in (A) Proximal convoluted tubules (B) Loop of Henle (C) Distal convoluted tubules (D) Collecting ducts
Last Answer : Answer : B
Description : Thiazide diuretics inhibit (A) Carbonic anhydrase (B) Aldosterone secretion (C) ADH secretion (D) Sodium reabsorption in distal tubules
Last Answer : Answer : D
Description : Antidiuretic hormone (A) Is secreted by hypothalamus (B) Secretion is increased when osmolality of plasma decreases (C) Increases obligatory reabsorption of water (D) Acts on distal convoluted tubules and collecting ducts
Description : Obligatory reabsorption of water (A) Is about 50% of the total tubular reabsorption of water (B) Is increased by antidiuretic hormone (C) Occurs in distal convoluted tubules (D) Is secondary to reabsorption of solutes
Description : Aldosterone increases reabsorption of sodium in (A) Proximal convoluted tubules (B) Ascending limb of loop of Henle (C) Descending limb of loop of Henle (D) Distal convoluted tubules
Description : Inhibition of carbonic anhydrase results in (a) Abolition of NaHCO3 reabsorption in proximal tubule (b) Enhanced of NaHCO3 reabsorption in proximal tubule (c) Enhanced NAHCO3 secretion in distal tubule (d) None of the above
Last Answer : Ans: A
Description : Which of the following would be expected following distal occlusion of the posterior cerebral artery? A. cerebellar ataxia B. contralateral hemiplegia C. dysarthria D. homonymous hemianopia E. palatal palsy
Last Answer : Ans: D
Description : The final concentration of the fluid to produce a markedly hypertonic urine takes place in (a) Loop of Henle (b) Distal convoluted tubule (c) Collecting tubule (d) Both (b) and (c)
Last Answer : Ans:(c)
Description : The fluid reaching the distal convoluted tubule from the ascending limb of Henle's loop is (a) isotonic in respect of plasma (b) hypotonic in respect of plasma (c) hypertonic in respect of plasma (d) variable
Last Answer : Ans:(a)
Description : In the human kidney: a. renal plasma flow is normally 660 ml/minute b. blood flow in the cortex is greater than that in the medulla c. resorption of ions and water ... the distal convoluted tubules d. anti-diuretic hormone increases water resorption mainly in the distal convoluted tubules
Last Answer : blood flow in the cortex is greater than that in the medulla
Description : The following are true about aldosterone: a. it is secreted by the adrenal medulla b. its secretion is stimulated by decreased blood volume c. it stimulates active reabsorption of sodium in the distal renal tubules. d. it causes increased secretion of potassium by the distal renal tubules.
Last Answer : it causes increased secretion of potassium by the distal renal tubules.
Description : Anti-diuretic diuretic hormone (ADH) a. is synthesized by the posterior lobe of the pituitary gland b. is released by neurosecretion c. its secretion is increased by a low plasma osmolarity d. increases the permeability of the distal convoluted tubule
Last Answer : is released by neurosecretion
Description : Match the source gland with its respective hormone and function and select the correct option. Source Hormone Function gland (a) Anterior Oxytocin Contraction of uterus pituitary muscles during ... (c) Corpus Estrogen Supports pregnancy luteum (d) Thyroid Thyroxine Regulates blood calcium level
Last Answer : (b) Posterior Vasopressin Stimulates pituitary reabsorption of water in the distal tubules in the nephron
Description : Which of the following causes an increase in sodium reabsorption in the distal convoluted tubule? (a) Increase in aldosterone levels (b) Increase in antidiuretic hormone levels (c) Decrease in aldosterone levels (d) Decrease in antidiuretic hormone levels
Last Answer : (a) Increase in aldosterone levels
Description : Reabsorption of useful substances from glomerular filtrate occurs in (a) collecting tube (b) loop of Henle (c) proximal convoluted tubule (d) distal convoluted tubule.
Last Answer : (c) proximal convoluted tubule
Description : Which one of the following statements in regard to the excretion by the human kidneys is correct? (a) Descending limb of loop of Henle is impermeable to water. (b) Distal convoluted tubule is ... reabsorbed by the renal tubules. (d) Ascending limb of loop of Henle is impermeable to electrolytes.
Last Answer : (c) Nearly 99 per cent of the glomerular filtrate is reabsorbed by the renal tubules.
Description : Which one of the following correctly explains the function of a specific part of the human nephron? (a) Podocytes : create minute spaces (slit pores) for the filtration of blood into the ... blood capillaries (d) Afferent arteriole : carries the blood away from the glomerulus towards renal vein.
Last Answer : (a) Podocytes : create minute spaces (slit pores) for the filtration of blood into the Bowman’s capsule
Description : The maximum amount of electrolytes and water (70 – 80 percent) from the glomerular filtrate is reabsorbed in which part of the nephron? (a) Ascending limb of loop of Henle (b) Distal convoluted tubule (c) Proximal convoluted tubule (d) Descending limb of loop of Henle
Last Answer : (c) Proximal convoluted tubule
Description : The part of nephron involved in active reabsorption of sodium is (a) distal convoluted tubule (b) proximal convoluted tubule (c) Bowman’s capsule (d) descending limb of Henle’s loop.
Last Answer : (b) proximal convoluted tubule
Description : Proximal and distal convoluted tubules are parts of (a) seminiferous tubules (b) nephron (c) oviduct (d) vas deferens
Last Answer : (b) nephron
Description : Which one of the four parts mentioned below does not constitute a part of single uriniferous tubule? (a) Distal convoluted tubule (b) Collecting duct (c) Bowman’s capsule (d) Loop of Henle
Last Answer : (b) Collecting duct
Description : A Colles' fracture is a fracture of the a) distal radius. A Colles' fracture is a fracture of the distal radius (wrist). It is usually the result of a fall on an open, dorsiflexed hand. b) elbow ... a fracture of the distal radius. d) clavicle. A Colles' fracture is a fracture of the distal radius.
Last Answer : a) distal radius. A Colles’ fracture is a fracture of the distal radius (wrist). It is usually the result of a fall on an open, dorsiflexed hand.
Description : Crohn's disease is a condition of malabsorption caused by a) inflammation of all layers of intestinal mucosa. Crohn's disease is also known as regional enteritis and can occur ... to lactose intolerance. d) gastric resection. Postoperative malabsorption occurs after gastric or intestinal resection.
Last Answer : a) inflammation of all layers of intestinal mucosa. Crohn’s disease is also known as regional enteritis and can occur anywhere along the GI tract, but most commonly at the distal ileum and in the colon.
Description : Of the following bariatric surgical procedures, which is the best procedure for long-term weight loss? a) Roux-en-Y The Roux-en-Y gastric bypass is the recommended procedure ... This procedure, which resulted in significant complications, has been largely replaced by gastric restriction procedures
Last Answer : a) Roux-en-Y The Roux-en-Y gastric bypass is the recommended procedure for longterm weight loss. In this procedure, a horizontal row of staples creates a stomach pouch with a 1-cm stoma that is anastomosed with a portion of distal jejunum, creating a gastroenterostomy.
Description : When the balloon on the distal tip of a pulmonary artery catheter is inflated and a pressure is measured, the measurement obtained is referred to as the a) pulmonary artery wedge ... Cardiac output is determined through thermodilution involving injection of fluid into the pulmonary artery catheter.
Last Answer : a) pulmonary artery wedge pressure. When the balloon is inflated, the tip of the catheter floats into smaller branches of the pulmonary arty until it can no longer be passed and the pressure is recorded, reflecting left atrial pressure and left ventricular end-diastolic pressure.
Description : In removable partial dentures, the principle of an indirect retainer is that it: a. Stabilises against lateral movement b. Prevents settling of major connectors c. Restricts tissue movement at ... base of the partial denture. d. Minimises movement of the base away from the supporting tissue
Last Answer : d. Minimises movement of the base away from the supporting tissue
Description : In the preparation of Premolar class I cavity what is the best way of getting retention, A. Slightly done undercut of the mesial and distal walls B. Slightly done undercut of the buccal and lingual walls C. The convergence of the cavity walls
Last Answer : B. Slightly done undercut of the buccal and lingual wall
Description : The MOST common curvature of palatal root of maxillary first molar is: A. Distal B. Mesial C. Buccal D. Palatal
Last Answer : C. Buccal
Description : What is the Bilaminar Zone:** A. Formed of, or having, two laminae, or thin plates. Which is the distal attachment of superior hard lateral plate B. A vascular, innervated tissue that plays an important role in allowing the condyle to move foreward
Last Answer : B. A vascular, innervated tissue that plays an important role in allowing the condyle to move foreward
Description : Retention for occlusal amalgam cavities in premolars is BEST provided by A. Slightly undercutting of walls with inversed cone bur B. Mesial and distal undercuts C. Buccal and lingual undercuts
Last Answer : C. Buccal and lingual undercuts
Description : TTo extract upper deciduous molars, the movement should be: A. Buccal first to move tooth B. Palatal first to move tooth C. Distal first to move tooth D. Rotation movement E. Fraction of the tooth
Last Answer : B. Palatal first to move tooth
Description : After the age of 6 years, the greatest increase in the size of the mandible occurs: A. At the symphysis B. Between canines C. Distal to the first molar
Last Answer : C. Distal to the first molar
Description : Upper first premolar with MO cavity; what is important about the application of the matrix band (the question has also shown too as .What is complicated by): A. The mesial concavity of the root ... pulp C. High buccal pulp horn D. High lingual pulp horn E. Concavity of distal root surface
Last Answer : A. The mesial concavity of the root surface
Description : In removable partial denture, the principle of an indirect retainer is to: A. Stabilise against lateral movement B. Prevent settling of major connectors C. Restrict tissue movement at the distal ... base of the partial denture D. Minimise movement of the base away from the supporting tissue
Last Answer : D. Minimise movement of the base away from the supporting tissue
Description : The palatal pulp horn of maxillary molars is located: A. In the pulpchamber under mesiolingual cusp B. In the pulpchamber opposite the mesio distal fissure of the buccal cusp C. Under the disto lingual cusp
Last Answer : A. In the pulpchamber under mesiolingual cusp
Description : To minimize the load on a free-end saddle partial denture: (distal extension saddle) A. Use teeth with narrow Buccal-Lingual dimension B. Use mucco-compressive impression
Last Answer : B. Use mucco-compressive impression
Description : Periodontal damage to abutment teeth of partial denture with distal extension can best be avoided by, A. Applying Stressbreakers B. Employing bar s on all abutment teeth C. Maintaining tissue support ... area E. Maintaining the clasp arms on all abutment teeth at the ideal degree of tension
Last Answer : C. Maintaining tissue support of the distal extension
Description : The extraction of maxillary deciduous molar in 5 years old child; you should use: A. Mostly towards the apex pressure and some movement B. Rotation C. Distal pressure and movement D. Labial-lingual movement
Last Answer : D. Labial-lingual movement
Description : Which direction does the palatal root of the upper first molar usually curve towards? A. Facial / buccal/ B. Lingual C. Mesial D. Distal
Last Answer : A. Facial / buccal/
Description : The following diuretic acts on the luminal membrane of distal tubule and collecting ducts to inhibit electrogenic Na+ reabsorption so that K+ excretion is diminished and bicarbonate excretion is enhanced: A. Xipamide B. Isosorbide C. Triamterene D. Spironolactone
Last Answer : C. Triamterene