The muscle fatigue occurs due to the release of (a) acetylcholine (b) lactic acid (c) adrenaline (d) none of these

The muscle fatigue occurs due to the release of (a) acetylcholine (b) lactic acid (c) adrenaline (d) none of these
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Muscle fatigue is caused by the accumulation of------? A. Uric acid B. Lactic acid (Answer) C. Oxalacetic acid D. Fyruvie acid

Description : Muscle fatigue is caused by the accumulation of------? A. Uric acid B. Lactic acid (Answer) C. Oxalacetic acid D. Fyruvie acid

Last Answer : B. Lactic acid (Answer)

Which one of the following chemicals is associated with muscle fatigue? (1) Uric acid (2) Acetic acid (3) Pyruvic acid (4) Lactic acid

Description : Which one of the following chemicals is associated with muscle fatigue? (1) Uric acid (2) Acetic acid (3) Pyruvic acid (4) Lactic acid

Last Answer : (4) Lactic acid Explanation: Muscle fatigue refers to the decline in muscle force generated over sustained periods of activity. Intracellular acidosis due mainly to lactic acid accumulation has ... leads to increased intracellular hydrogen ion (H+) concentration that leads to a weaker contraction.

Which one of the following chemicals is associated with muscle fatigue? (1) Uric acid (2) Acetic acid (3) Pyruvic acid (4) Lactic acid

Description : Which one of the following chemicals is associated with muscle fatigue? (1) Uric acid (2) Acetic acid (3) Pyruvic acid (4) Lactic acid

Last Answer : Lactic acid

Muscle fatigue is caused by the accumulation of : (1) Pyruvic acid (2) Lactic acid (3) Oxalacetic acid (4) Uric acid

Description : Muscle fatigue is caused by the accumulation of : (1) Pyruvic acid (2) Lactic acid (3) Oxalacetic acid (4) Uric acid

Last Answer : Lactic acid

Dantrolene sodium reduces skeletal muscle tone by: A. Reducing acetylcholine release from motor nerve endings B. Suppressing spinal polysynaptic reflexes C. Inhibiting the generation of muscle action potential D. Reducing Ca2+ release from sarcoplasmic reticulum in the muscle fibre

Description : Dantrolene sodium reduces skeletal muscle tone by: A. Reducing acetylcholine release from motor nerve endings B. Suppressing spinal polysynaptic reflexes C. Inhibiting the generation of muscle action potential D. Reducing Ca2+ release from sarcoplasmic reticulum in the muscle fibre

Last Answer : D. Reducing Ca2+ release from sarcoplasmic reticulum in the muscle fibre

The metabolic actions of adrenaline include the following except: A. Glycogenolysis in liver and muscle B. Inhibition of neoglucogenesis in liver C. Lipolysis in adipose tissue D. Release of potassium from liver followed by its uptake

Description : The metabolic actions of adrenaline include the following except: A. Glycogenolysis in liver and muscle B. Inhibition of neoglucogenesis in liver C. Lipolysis in adipose tissue D. Release of potassium from liver followed by its uptake

Last Answer : B. Inhibition of neoglucogenesis in liver

The metabolic actions of adrenaline include the following except: A. Glycogenolysis in liver and muscle B. Inhibition of neoglucogenesis in liver C. Lipolysis in adipose tissue D. Release of potassium from liver followed by its uptake

Description : The metabolic actions of adrenaline include the following except: A. Glycogenolysis in liver and muscle B. Inhibition of neoglucogenesis in liver C. Lipolysis in adipose tissue D. Release of potassium from liver followed by its uptake

Last Answer : B. Inhibition of neoglucogenesis in liver

Muscle fatigue occurs due to the accumlation of

Description : Muscle fatigue occurs due to the accumlation of

Last Answer : Muscle fatigue occurs due to the accumlation of A. `CO_(2)` B. Lactic acid C. Creatine phosphate D. Myosin ATPase

What accumulates in the muscles after continuous strenuous physical exercise as a result of temporary anaerobic respiration that causes muscular fatigue? (1) ATP (2) Lactic acid (3) Ethyl alcohol (4) Carbon dioxide

Description : What accumulates in the muscles after continuous strenuous physical exercise as a result of temporary anaerobic respiration that causes muscular fatigue? (1) ATP (2) Lactic acid (3) Ethyl alcohol (4) Carbon dioxide

Last Answer : (2) Lactic acid Explanation: Anaerobic reactions break down glucose into pyruvic acid, which then reacts to produce lactic acid. As muscle metabolism shifts from aerobic to anaerobic ATP production, ... begins to accumulate in muscles and to appear in the bloodstream. This leads to muscle fatigue.

What accumulates in the muscles after continuous strenuous physical exercise as a result of temporary anaerobic respiration that causes muscular fatigue ? (1) ATP (2) Lactic acid (3) Ethyl alcohol (4) Carbon dioxide

Description : What accumulates in the muscles after continuous strenuous physical exercise as a result of temporary anaerobic respiration that causes muscular fatigue ? (1) ATP (2) Lactic acid (3) Ethyl alcohol (4) Carbon dioxide

Last Answer : Lactic acid

The following are true about the neurotransmitters: a. acetylcholine is inactivated mainly by presynaptic reuptake b. tyrosine is essential for the formation of dopamine c. noradrenaline is inactivated mainly by hydrolysis d. adrenaline is formed from methylation of the noradrenaline

Description : The following are true about the neurotransmitters: a. acetylcholine is inactivated mainly by presynaptic reuptake b. tyrosine is essential for the formation of dopamine c. noradrenaline is inactivated mainly by hydrolysis d. adrenaline is formed from methylation of the noradrenaline

Last Answer : adrenaline is formed from methylation of the noradrenaline

The secretion of insulin is stimulated by: a. adrenaline b. somatostatin c. fatty acids d. acetylcholine

Description : The secretion of insulin is stimulated by: a. adrenaline b. somatostatin c. fatty acids d. acetylcholine

Last Answer : fatty acids

The following enzymes on the left are responsible for the synthesis of the neurotransmitters on the right: a. monoamine oxidase: noradrenaline b. cholinesterase: acetylcholine c. catechol-o-methyl transferase: dopamine d. dopa decarboxylase: adrenaline

Description : The following enzymes on the left are responsible for the synthesis of the neurotransmitters on the right: a. monoamine oxidase: noradrenaline b. cholinesterase: acetylcholine c. catechol-o-methyl transferase: dopamine d. dopa decarboxylase: adrenaline

Last Answer : dopa decarboxylase: adrenaline

Lack of qxygen in muscle often leads to cramps among Athletes . This results due to : (a) conversion of Pyruvate to Ethanol (b) conversion of Pyruvate to Glucose (c) conversion of Glucose to Pyruvate (d) conversion of Pyruvate to Lactic acid

Description : Lack of qxygen in muscle often leads to cramps among Athletes . This results due to : (a) conversion of Pyruvate to Ethanol (b) conversion of Pyruvate to Glucose (c) conversion of Glucose to Pyruvate (d) conversion of Pyruvate to Lactic acid

Last Answer : (b) conversion of Pyruvate to Glucose

Sodium depletion occurs in excessive sweating, and cannot be corrected by drinking water alone. When uncorrected, it may lead to A. Increase of urea in blood B. Swelling of ankles and feet C. Muscle cramps, loss of energy, fatigue and faintness D. Renal failure

Description : Sodium depletion occurs in excessive sweating, and cannot be corrected by drinking water alone. When uncorrected, it may lead to A. Increase of urea in blood B. Swelling of ankles and feet C. Muscle cramps, loss of energy, fatigue and faintness D. Renal failure

Last Answer : ANSWER: C

The lactic acid generated during muscle contraction us flnally converted to glycogen in

Description : The lactic acid generated during muscle contraction us flnally converted to glycogen in

Last Answer : The lactic acid generated during muscle contraction us flnally converted to glycogen in A. Muscle B. Kidney C. Liver D. Pancreas

Zinc is involved in storage and release of (A) Histamine (B) Acetylcholine (C) Epinephrine (D) Insulin

Description : Zinc is involved in storage and release of (A) Histamine (B) Acetylcholine (C) Epinephrine (D) Insulin

Last Answer : Answer : D

The release of acetylcholine is blocked by: a. hemicholinum b. venom of black widow spidec. cocaine d. botulinum toxins r

Description : The release of acetylcholine is blocked by: a. hemicholinum b. venom of black widow spider c. cocaine d. botulinum toxins

Last Answer : botulinum toxins

The following are true: a. heroin causes miosis by increasing the release of acetylcholine. b. botulinum toxin causes mydriasis by inhibiting the release of acetylcholine c. phenylephrine causes mydriasis by stimulating the alpha receptors d. amphetamine causes mydriasis by inhibiting noradrenaline reuptake

Description : The following are true: a. heroin causes miosis by increasing the release of acetylcholine. b. botulinum toxin causes mydriasis by inhibiting the release of acetylcholine c. ... mydriasis by stimulating the alpha receptors d. amphetamine causes mydriasis by inhibiting noradrenaline reuptake

Last Answer : phenylephrine causes mydriasis by stimulating the alpha receptors

Select the prokinetic-antiemetic drug which at relatively higher doses blocks both dopamine D2 as well as 5-HT3 receptors and enhances acetylcholine release from myenteric neurones: A. Cisapride B. Prochlorperazine C. Metoclopramide D. Domperidon

Description : Select the prokinetic-antiemetic drug which at relatively higher doses blocks both dopamine D2 as well as 5-HT3 receptors and enhances acetylcholine release from myenteric neurones: A. Cisapride B. Prochlorperazine C. Metoclopramide D. Domperidon

Last Answer : C. Metoclopramide

Activation of the following type of receptors present on myenteric neurones by metoclopramide is primarily responsible for enhanced acetylcholine release improving gastric motility: A. Muscarinic M1 B. Serotonergic 5-HT3 C. Serotonergic 5-HT4 D. Dopaminergic D2

Description : Activation of the following type of receptors present on myenteric neurones by metoclopramide is primarily responsible for enhanced acetylcholine release improving gastric motility: A. Muscarinic M1 B. Serotonergic 5-HT3 C. Serotonergic 5-HT4 D. Dopaminergic D2

Last Answer : C. Serotonergic 5-HT4

In which category of muscle fibers, contraction can be regulated by acetylcholine neurotransmitter ?

Description : In which category of muscle fibers, contraction can be regulated by acetylcholine neurotransmitter ?

Last Answer : In which category of muscle fibers, contraction can be regulated by acetylcholine neurotransmitter ? A. ... . Smooth muscle fibers D. all of these

Which one of the following can be blocked by atropine? (a) Decreased blood pressure caused by hexamethonium (b) Increased blood pressure caused by nicotine (c) Increased skeleton muscle strength caused by neostigmine (d) Tachycardia caused by exercise (e) Tachycardia caused by infusion of acetylcholine

Description : Which one of the following can be blocked by atropine? (a) Decreased blood pressure caused by hexamethonium (b) Increased blood pressure caused by nicotine (c) Increased skeleton muscle ... by neostigmine (d) Tachycardia caused by exercise (e) Tachycardia caused by infusion of acetylcholine

Last Answer : Ans: E

The mechanism by which neostigmine improves contraction of myasthenic muscle involves: A. Repetitive binding of the acetylcholine molecules to the same receptors at the muscle endplate B. Diffusion of acetylcholine released from motor nerve endings to a wider area activating neighbouring receptors C. Activation of motor end-plate receptors by neostigmine molecules themselves D. All of the above

Description : The mechanism by which neostigmine improves contraction of myasthenic muscle involves: A. Repetitive binding of the acetylcholine molecules to the same receptors at the muscle endplate B. Diffusion of ... Activation of motor end-plate receptors by neostigmine molecules themselves D. All of the above

Last Answer : D. All of the above

The mechanism by which neostigmine improves contraction of myasthenic muscle involves: A. Repetitive binding of the acetylcholine molecules to the same receptors at the muscle endplate B. Diffusion of acetylcholine released from motor nerve endings to a wider area activating neighbouring receptors C. Activation of motor end-plate receptors by neostigmine molecules themselves D. All of the above

Description : The mechanism by which neostigmine improves contraction of myasthenic muscle involves: A. Repetitive binding of the acetylcholine molecules to the same receptors at the muscle endplate B. Diffusion of ... Activation of motor end-plate receptors by neostigmine molecules themselves D. All of the above

Last Answer : D. All of the above

An increase in PaCO2 lead to: a. hypertension b. increased adrenaline release c. increased sweating d. all above

Description : An increase in PaCO2 lead to: a. hypertension b. increased adrenaline release c. increased sweating d. all above

Last Answer : all above

A fall in glomerular filtration rate (GFR) activates (a) juxtaglomerular cells to release renin (b) adrenal cortex to release aldosterone (c) adrenal medulla to release adrenaline (d) posterior pituitary to release vasopressin.

Description : A fall in glomerular filtration rate (GFR) activates (a) juxtaglomerular cells to release renin (b) adrenal cortex to release aldosterone (c) adrenal medulla to release adrenaline (d) posterior pituitary to release vasopressin.

Last Answer : (a) juxtaglomerular cells to release renin

Glucagon release from pancreas is stimulated by: A. High blood glucose level B. Insulin C. Somatostatin D. Adrenaline

Description : Glucagon release from pancreas is stimulated by: A. High blood glucose level B. Insulin C. Somatostatin D. Adrenaline

Last Answer : D. Adrenaline

The following action of adrenaline is not mediated by β receptors: A. Dilatation of blood vessels B. Dilatation of pupil C. Bronchodilation D. Renin release from kidney

Description : The following action of adrenaline is not mediated by β receptors: A. Dilatation of blood vessels B. Dilatation of pupil C. Bronchodilation D. Renin release from kidney

Last Answer : B. Dilatation of pupil

Deformation that occurs due to stress over a period of time is known as ____________ a) Wear resistance b) Fatigue c) Creep d) Fracture

Description : Deformation that occurs due to stress over a period of time is known as ____________ a) Wear resistance b) Fatigue c) Creep d) Fracture

Last Answer : c) Creep

In heart cells, which of the following serves as a secondary messenger, speeding up muscle cell contraction in response to adrenaline ?

Description : In heart cells, which of the following serves as a secondary messenger, speeding up muscle cell contraction in response to adrenaline ?

Last Answer : In heart cells, which of the following serves as a secondary messenger, speeding up muscle cell contraction in ... A. cAMP B. cGMP C. GTP D. ATP

Propranolol does not block the following action of adrenaline (a) Bronchodilation (b) Lipolysis (c) Muscle tremor (d) Mydriasis

Description : Propranolol does not block the following action of adrenaline (a) Bronchodilation (b) Lipolysis (c) Muscle tremor (d) Mydriasis

Last Answer : Ans: D

Low doses of adrenaline dilate the following vascular bed (a) Cutaneous (b) Mucosal (c) Renal (d) Skeletal muscle

Description : Low doses of adrenaline dilate the following vascular bed (a) Cutaneous (b) Mucosal (c) Renal (d) Skeletal muscle

Last Answer : Ans: D

The anaesthetic action of thiopentone sodium is characterised by: A. Good muscle relaxation B. Poor analgesia C. Sensitization of heart to adrenaline D. No postoperative residual CNS depression

Description : The anaesthetic action of thiopentone sodium is characterised by: A. Good muscle relaxation B. Poor analgesia C. Sensitization of heart to adrenaline D. No postoperative residual CNS depression

Last Answer : B. Poor analgesia

Low doses of adrenaline dilate the following vascular bed: A. Cutaneous B. Mucosal C. Renal D. Skeletal muscle

Description : Low doses of adrenaline dilate the following vascular bed: A. Cutaneous B. Mucosal C. Renal D. Skeletal muscle

Last Answer : D. Skeletal muscle

Propranolol does not block the following action of adrenaline: A. Bronchodilatation B. Lipolysis C. Muscle tremor D. Mydriasis

Description : Propranolol does not block the following action of adrenaline: A. Bronchodilatation B. Lipolysis C. Muscle tremor D. Mydriasis

Last Answer : D. Mydriasis

Low doses of adrenaline dilate the following vascular bed: A. Cutaneous B. Mucosal C. Renal D. Skeletal muscle

Description : Low doses of adrenaline dilate the following vascular bed: A. Cutaneous B. Mucosal C. Renal D. Skeletal muscle

Last Answer : D. Skeletal muscle

Vinegar is acidic in nature due to the presence of (a) vanillic acid (b) lactic acid (c) hydrochloric acid (d) acetic acid

Description : Vinegar is acidic in nature due to the presence of (a) vanillic acid (b) lactic acid (c) hydrochloric acid (d) acetic acid

Last Answer : Ans:(d)

Concentration of pyruvic acid and lactic acid in blood is increased due to deficiency of the vitamin (A) Thiamin (B) Riboflavin (C) Niacin (D) Pantothenic acid

Description : Concentration of pyruvic acid and lactic acid in blood is increased due to deficiency of the vitamin (A) Thiamin (B) Riboflavin (C) Niacin (D) Pantothenic acid

Last Answer : Answer : A

Milk tastes sour when it is left in open for some time. This happens due to the formation of (1) Lactic acid (2) Citric acid (3) Acetic acid (4) Carbonic acid

Description : Milk tastes sour when it is left in open for some time. This happens due to the formation of (1) Lactic acid (2) Citric acid (3) Acetic acid (4) Carbonic acid

Last Answer : (1) Lactic acid Explanation: Milk contains a sugar called lactose, a disaccharide (compound sugar) made by the glycosidic bonding between glucose and glactose (monosaccharides). When milk is heated to ... multiplies. These convert the lactose into lactic acid, which imparts the sour taste to curd.

Curd is sour due to presence of – (1) Tartaric acid (2) Lactic acid (3) Acetic acid (4) Oxalic acid

Description : Curd is sour due to presence of – (1) Tartaric acid (2) Lactic acid (3) Acetic acid (4) Oxalic acid

Last Answer : (2) Lactic acid Explanation: Curds are a dairy product obtained by curdling (coagulating) milk with rennet or an edible acidic substance such as lemon juice or vinegar, and then draining off the liquid ... solid masses, or curds. The remaining liquid, which contains only whey proteins, is the whey.

Milk tastes sour when kept in the open for sometime due to the formation of – (1) lactic acid (2) citric acid (3) acetic acid (4) carbonic acid

Description : Milk tastes sour when kept in the open for sometime due to the formation of – (1) lactic acid (2) citric acid (3) acetic acid (4) carbonic acid

Last Answer : (1) lactic acid Explanation: Like many other things, milk contains bacteria, Milk also naturally contains a kind of sugar known as "lactose." The bacteria that live in milk get energy from this ... sugars to reproduce, they change it from "lactose sugar" into "lactic acid," which tastes sour.

Abscission in fruit occur due to: a. Excessive abscissic acid b. Excessive Ghrtamic acid c. Excessive Lactic acid d. Excessive Citric acid

Description : Abscission in fruit occur due to: a. Excessive abscissic acid b. Excessive Ghrtamic acid c. Excessive Lactic acid d. Excessive Citric acid

Last Answer : Excessive abscissic acid

Concentration of pyruvic acid and lactic acid in blood is increased due to deficiency of the vitamin (A) Thiamin (B) Riboflavin (C) Niacin (D) Pantothenic acid

Description : Concentration of pyruvic acid and lactic acid in blood is increased due to deficiency of the vitamin (A) Thiamin (B) Riboflavin (C) Niacin (D) Pantothenic acid

Last Answer : (A) Thiamin

Curd is sour due to presence of (1) Tartaric acid (2) Lactic acid (3) Acetic acid (4) Oxalic acid

Description : Curd is sour due to presence of (1) Tartaric acid (2) Lactic acid (3) Acetic acid (4) Oxalic acid

Last Answer : Lactic acid

Milk tastes sour when kept in the open for sometime due to the formation of (1) lactic acid (2) citric acid (3) acetic acid (4) carbonic acid

Description : Milk tastes sour when kept in the open for sometime due to the formation of (1) lactic acid (2) citric acid (3) acetic acid (4) carbonic acid

Last Answer :  lactic acid

A. It is a clonidine congener used in spasticity due to stroke or spinal injury B. It reduces muscle tone by activating GABAB receptors C. It inhibits release of excitatory amino-acids in spinal interneurones D. It reduces muscle spasms without producing weaknes

Description : A. It is a clonidine congener used in spasticity due to stroke or spinal injury B. It reduces muscle tone by activating GABAB receptors C. It inhibits release of excitatory amino-acids in spinal interneurones D. It reduces muscle spasms without producing weaknes

Last Answer : B. It reduces muscle tone by activating GABAB receptors

Lack of relaxation between successive stimuli in sustained muscle contraction is known as (a) tetanus (b) tonus (c) spasm (d) fatigue.

Description : Lack of relaxation between successive stimuli in sustained muscle contraction is known as (a) tetanus (b) tonus (c) spasm (d) fatigue.

Last Answer : (a) tetanus

Which of the following statements reflect nursing interventions of a patient with post-polio syndrome? a) Providing care aimed at slowing the loss of strength and maintaining the physical, psychological and social well being of the patient. No specific medical or surgical treatment is available for this syndrome and therefore nursing plays a pivotal role in the team approach to assisting patients and families in dealing with the symptoms of progressive loss of muscle strength and significant fatigue. Nursing interventions are aimed at slowing the loss of strength and maintaining the physical, psychological and social well being of the patient.

Description : Which of the following statements reflect nursing interventions of a patient with post-polio syndrome? a) Providing care aimed at slowing the loss of strength and maintaining the physical, ... and cold are most appropriate because these patients tend to have strong reactions to medications.

Last Answer : a) Providing care aimed at slowing the loss of strength and maintaining the physical, psychological and social well being of the patient. No specific medical or surgical treatment is available for ... loss of strength and maintaining the physical, psychological and social well being of the patient.

Fibromyalgia is a common condition that a) involves chronic fatigue, generalized muscle aching and stiffness. Fibromyalgia, is a common condition that involves chronic fatigue, generalized muscle aching, and stiffness.

Description : Fibromyalgia is a common condition that a) involves chronic fatigue, generalized muscle aching and stiffness. Fibromyalgia, is a common condition that involves chronic fatigue, generalized muscle aching, and ... very typical for patients to have endured their symptoms for a long period of time.

Last Answer : a) involves chronic fatigue, generalized muscle aching and stiffness. Fibromyalgia, is a common condition that involves chronic fatigue, generalized muscle aching, and stiffness.