In the iron deficient state, transferrin receptors increase in number on the: A. Intestinal mucosal cells B. Erythropoietic cells C. Reticuloendothelial cells D. All of the above

In the iron deficient state, transferrin receptors increase
in number on the:
A. Intestinal mucosal cells
B. Erythropoietic cells
C. Reticuloendothelial cells
D. All of the above
by

1 Answer

Answer :

cells
B
by

Related questions

The following is true of loperamide except: A. It is absorbed from intestines and exerts centrally mediated antidiarrhoeal action B. It acts on the opioid receptors in the gut C. It increases tone and segmenting activity of the intestines D. It inhibits intestinal secretion by binding to calmodulin in the mucosal cells

Description : The following is true of loperamide except: A. It is absorbed from intestines and exerts centrally mediated antidiarrhoeal action B. It acts on the opioid receptors in the gut C. It increases ... of the intestines D. It inhibits intestinal secretion by binding to calmodulin in the mucosal cells

Last Answer : A. It is absorbed from intestines and exerts centrally mediated antidiarrhoeal action

The gut controls the entry of ingested iron in the body by: A. Regulating the availability of apoferritin which acts as the carrier of iron across the mucosal cell B. Regulating the turnover of apoferritin-ferritin interconversion in the mucosal cell C. Complexing excess iron to form ferritin which remains stored in the mucosal cell and is shed off D. Regulating the number of transferrin receptors on the mucosal cell

Description : The gut controls the entry of ingested iron in the body by: A. Regulating the availability of apoferritin which acts as the carrier of iron across the mucosal cell B. Regulating the turnover of ... mucosal cell and is shed off D. Regulating the number of transferrin receptors on the mucosal cell

Last Answer : C. Complexing excess iron to form ferritin which remains stored in the mucosal cell and is shed off

Cyclic nucleotides exert the following action on salt transport across intestinal mucosal cells: A. Both cyclic AMP and cyclic GMP enhance Cland HCO3 – secretion B. Cyclic AMP enhances but cyclic GMP inhibits Cl– and HCO3 – secretion C. Cyclic AMP inhibits but cyclic GMP enhances Na+ and Cl– reabsorption D. Both cyclic AMP and cyclic GMP enhance Na+ and Cl– reabsorption

Description : Cyclic nucleotides exert the following action on salt transport across intestinal mucosal cells: A. Both cyclic AMP and cyclic GMP enhance Cland HCO3 - secretion B. Cyclic AMP enhances but cyclic GMP ... Cl- reabsorption D. Both cyclic AMP and cyclic GMP enhance Na+ and Cl- reabsorption

Last Answer : A. Both cyclic AMP and cyclic GMP enhance Cland HCO3 – secreti

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Last Answer : B. Senna

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Description : Histamine H2 blockers attenuate the gastric secretory response to acetylcholine and pentagastrin as well because: A. H2 blockers block gastric mucosal cholinergic and gastrin receptors as well B. H2 ... acetylcholine and gastrin all act through the phospholipase C-IP3:DAG pathway in gastric mucosa

Last Answer : C. Acetylcholine and gastrin act partly by releasing histamine in gastric mucosa

Iron absorption is hampered by (A) In achlorhydria (B) When ferritin content of intestinal mucosa is low (C) When saturation of plasma transferring is low (D) When erythropoietic activity is increased

Description : Iron absorption is hampered by (A) In achlorhydria (B) When ferritin content of intestinal mucosa is low (C) When saturation of plasma transferring is low (D) When erythropoietic activity is increased

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Last Answer : Answer : B

Iron sorbitol-citric acid differs from iron dextran in that: A. It cannot be injected i.v. B. It is not excreted in urine C. It is not bound to transferrin in plasma D. It produces fewer side effects

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Last Answer : A. It cannot be injected i.v

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Last Answer : D. Both ‘B’ and ‘C’ are correct

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The following are true about the aqueous: a. the protein content of aqueous is about 1/5 that of the plasma b. the main type of protein found in the aqueous is transferrin c. Ig G is found in the aqueous d. stimulation of 2 receptors reduces aqueous production

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Last Answer : stimulation of 2 receptors reduces aqueous production

Under certain circumstances, the gut may become a source of sepsis and serve as the motor of systemic inflammatory response syndrome. Microbial translocation is the process by which microorganisms migrate across the mucosal barrier to invade the host. Which of the following mechanisms can promote bacterial translocation? a. An increased number of gut bacteria b. Altered intestinal mucosal permeability c. Decreased host defense mechanisms d. Lack of enteral feeding

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Last Answer : T4 and T3 bind to the receptors in nuclei

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The cells that are directly concerned with phagocytosis of foreign bodies in the reticuloendothelial system are (a) reticular cells (b) monocytes (c) eosinophils and Basophils (d) macrophages

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Last Answer : Ans:(b)

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Select the drug which is an inhibitor of gastric mucosal proton pump: A. Carbenoxolone sodium B. Sucralfate C. Famotidine D. Lansoprazole

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Last Answer : Ans: C

Irrespective of the type, all laxatives exert the following action: A. Increase the content of solids in the faeces B. Increase the water content of faeces C. Reduce absorption of nutrients D. Increase intestinal motility

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Last Answer : B. Increase the water content of faeces

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Initial bradycardia caused by intramuscular injection of atropine is believed to be caused by: A. Stimulation of medullary vagal centre B. Stimulation of vagal ganglia C. Blockade of M2 receptors on SA nodal cells D. Blockade of muscarinic autoreceptors on vagal nerve endings

Description : Initial bradycardia caused by intramuscular injection of atropine is believed to be caused by: A. Stimulation of medullary vagal centre B. Stimulation of vagal ganglia C. Blockade of M2 receptors on SA nodal cells D. Blockade of muscarinic autoreceptors on vagal nerve endings

Last Answer : D. Blockade of muscarinic autoreceptors on vagal nerve endings

Initial bradycardia caused by intramuscular injection of atropine is believed to be caused by: A. Stimulation of medullary vagal centre B. Stimulation of vagal ganglia C. Blockade of M2 receptors on SA nodal cells D. Blockade of muscarinic autoreceptors on vagal nerve endings

Description : Initial bradycardia caused by intramuscular injection of atropine is believed to be caused by: A. Stimulation of medullary vagal centre B. Stimulation of vagal ganglia C. Blockade of M2 receptors on SA nodal cells D. Blockade of muscarinic autoreceptors on vagal nerve endings

Last Answer : D. Blockade of muscarinic autoreceptors on vagal nerve endings

Diabetes mellitus can occur due to all of the following except (A) Deficient insulin secretion (B) Tumour of β−cells (C) Decrease in number of insulin receptors (D) Formation of insulin antibodies

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Intestinal absorption of magnesium is increased in (A) Calcium deficient diet (B) High calcium diet (C) High oxalate diet (D) High phytate diet

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What is the state of iron in transferrin? (A) Ferrous form (B) Ferric form (C) Both A and B (D) None of these

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Isoxsuprine increases limb blood flow in normal individuals, but is of limited efficacy in Buerger’s disease, because in this disease: A. Vasodilator β adrenoceptors are deficient B. There is loss of sympathetic innervation C. Blood flow to the affected limb is reduced by organic obstruction D. The drug is not delivered to the affected site

Description : Isoxsuprine increases limb blood flow in normal individuals, but is of limited efficacy in Buerger's disease, because in this disease: A. Vasodilator β adrenoceptors are deficient B. There is loss ... affected limb is reduced by organic obstruction D. The drug is not delivered to the affected site

Last Answer : C. Blood flow to the affected limb is reduced by organic obstruction

Isoxsuprine increases limb blood flow in normal individuals, but is of limited efficacy in Buerger’s disease, because in this disease: A. Vasodilator β adrenoceptors are deficient B. There is loss of sympathetic innervation C. Blood flow to the affected limb is reduced by organic obstruction D. The drug is not delivered to the affected site

Description : Isoxsuprine increases limb blood flow in normal individuals, but is of limited efficacy in Buerger's disease, because in this disease: A. Vasodilator β adrenoceptors are deficient B. There is loss ... affected limb is reduced by organic obstruction D. The drug is not delivered to the affected site

Last Answer : C. Blood flow to the affected limb is reduced by organic obstruction

Which of the following is true? Hypochromic anaemia is not due to iron deficiency except (A) Serum ‘Fe’ is high (B) Normal/low transferrin (C) Stainable iron in bone marrow (D) Iron therapy is affective

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Last Answer : Answer : D

Iron is transported in blood in the form of (A) Ferritin (B) Haemosiderin (C) Transferrin (D) Haemoglobin

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Last Answer : Answer : C

Iron is stored in the form of (A) Ferritin and transferrin (B) Transferrin and haemosiderin (C) Haemoglobin and myoglobin (D) Ferritin and haemosiderin

Description : Iron is stored in the form of (A) Ferritin and transferrin (B) Transferrin and haemosiderin (C) Haemoglobin and myoglobin (D) Ferritin and haemosiderin

Last Answer : Answer : D

About 5% of the total body, iron is present in (A) Transferrin (B) Myoglobin (C) Cytochromes (D) Haemosiderin

Description : About 5% of the total body, iron is present in (A) Transferrin (B) Myoglobin (C) Cytochromes (D) Haemosiderin

Last Answer : Answer : B

The following action of adrenaline is mediated by both α and β receptors producing the same directional effect: A. Cardiac stimulation B. Intestinal relaxation C. Dilatation of pupil D. Bronchodilatation

Description : The following action of adrenaline is mediated by both α and β receptors producing the same directional effect: A. Cardiac stimulation B. Intestinal relaxation C. Dilatation of pupil D. Bronchodilatation

Last Answer : B. Intestinal relaxation

The following action of adrenaline is mediated by both α and β receptors producing the same directional effect: A. Cardiac stimulation B. Intestinal relaxation C. Dilatation of pupil D. Bronchodilatation

Description : The following action of adrenaline is mediated by both α and β receptors producing the same directional effect: A. Cardiac stimulation B. Intestinal relaxation C. Dilatation of pupil D. Bronchodilatation

Last Answer : B. Intestinal relaxation

Thiabendazole is rarely used now because: A. It frequently produces incapacitating side effects B. It produces lower cure rates in intestinal helminthiasis than mebendazole or albendazole C. It needs pretreatment fasting and post treatment purgative D. It is not active against roundworm and hookworm

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Last Answer : A. It frequently produces incapacitating side effects

A child has been brought with intestinal obstruction due to clumping of roundworms. Select the anthelmintic which administered by intragastric tube can relax the ascarids and relieve the obstruction: A. Levamisole B. Mebendazole C. Pyrantel pamoate D. Piperazine

Description : A child has been brought with intestinal obstruction due to clumping of roundworms. Select the anthelmintic which administered by intragastric tube can relax the ascarids and relieve the obstruction: A. Levamisole B. Mebendazole C. Pyrantel pamoate D. Piperazine

Last Answer : D. Piperazine

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Last Answer : C. Single dose cures roundworm and hookworm infestatio

Tetracycline is indicated in the following form(s) of amoebic infection: A. Acute amoebic dysentery B. Chronic intestinal amoebiasis C. Amoebic liver abscess D. All of the above

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Last Answer : B. Chronic intestinal amoebiasis

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Last Answer : C. Eradicate luminal cyst forming trophozoites

Choose the drug that can be used orally for intestinal amoebiasis, intravaginally for trichomonas vaginitis and topically for dermatophytosis: A. Quiniodochlor B. Furazolidone C. Ornidazole D. Hamycin

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Last Answer : A. Quiniodochlor

Choose the most effective drug for mild intestinal amoebiasis and asymptomatic cyst passers: A. Metronidazole B. Emetine C. Quiniodochlor D. Diloxanide furoate

Description : Choose the most effective drug for mild intestinal amoebiasis and asymptomatic cyst passers: A. Metronidazole B. Emetine C. Quiniodochlor D. Diloxanide furoate

Last Answer : D. Diloxanide furoate

The following drug is effective in hepatic amoebiasis but not in intestinal amoebiasis: A. Chloroquine B. Emetine C. Tetracycline D. Diloxanide furoate

Description : The following drug is effective in hepatic amoebiasis but not in intestinal amoebiasis: A. Chloroquine B. Emetine C. Tetracycline D. Diloxanide furoate

Last Answer : A. Chloroquine

The distinctive feature of secnidazole is: A. It is not absorbed after oral ingestion B. It is recommended for single dose treatment of intestinal amoebiasis C. It is effective in intestinal but not in hepatic amoebiasis D. It is effective in both trichomonas as well as monilial vaginitis

Description : The distinctive feature of secnidazole is: A. It is not absorbed after oral ingestion B. It is recommended for single dose treatment of intestinal amoebiasis C. It is effective in intestinal but not in hepatic amoebiasis D. It is effective in both trichomonas as well as monilial vaginitis

Last Answer : B. It is recommended for single dose treatment of intestinal amoebiasis

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Last Answer : C. Intestinal

Prolonged oral therapy with the following antibiotic can damage intestinal villi resulting in steatorrhoea and loose motions: A. Ampicillin B. Tetracycline C. Neomycin D. Nystatin

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Last Answer : C. Neomycin

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Last Answer : B. Marked suppression of intestinal anaerobes

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Description : The opioid antidiarrhoeal drugs act by the following mechanism(s): A. They relax the intestinal smooth muscle B. They inhibit intestinal peristalsis C. They promote clearance of intestinal pathogens Aim4aiims.in D. All of the above

Last Answer : B. They inhibit intestinal peristalsis

The success of oral rehydration therapy of diarrhoea depends upon the following process in the intestinal mucosa: A. Sodium pump mediated Na+ absorption B. Glucose coupled Na+ absorption C. Bicarbonate coupled Na+ absorption D. Passive Na+ diffusion secondary to nutrient absorption

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Last Answer : B. Increases tone of pyloric sphincter