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

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

Osteoporosis, an age-related disease of skeletal system, may occur due to (a) immune disorder affecting neuromuscular junction leading to fatigue (b) high concentration of Ca++ and Na+ (c) decreased level of estrogen (d) accumulation of uric acid leading to inflammation of joints.

Description : Osteoporosis, an age-related disease of skeletal system, may occur due to (a) immune disorder affecting neuromuscular junction leading to fatigue (b) high concentration of Ca++ and Na+ (c) decreased level of estrogen (d) accumulation of uric acid leading to inflammation of joints.

Last Answer : (c) decreased level of estrogen

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

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

Last Answer : Ans:(b)

The first organic compound synthesized in the laboratory was - (1) Urea (2) Uric acid (3) Lactic acid (4) Glucose

Description : The first organic compound synthesized in the laboratory was - (1) Urea (2) Uric acid (3) Lactic acid (4) Glucose

Last Answer : (1) Urea Explanation: In 1828, German chemist Friedrish Wohler synthesized first organic compound, urea in the laboratory by heating ammonium cyanate (an inorganic compound).

The first organic compound synthesised in the laboratory was (1) Urea (2) Uric acid (3) Lactic acid (4) Glucose

Description : The first organic compound synthesised in the laboratory was (1) Urea (2) Uric acid (3) Lactic acid (4) Glucose

Last Answer : Urea

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

The oxidation of lactic acid to pyruvic acid requires the following vitamin derivative as the hydrogen carrier. (A) Lithium pyrophosphate (B) Coenyzme A (C) NAD+ (D) FMN

Description : The oxidation of lactic acid to pyruvic acid requires the following vitamin derivative as the hydrogen carrier. (A) Lithium pyrophosphate (B) Coenyzme A (C) NAD+ (D) FMN

Last Answer : C

End product of citric acid cycle/Krebs’ cycle is (a) citric acid (b) lactic acid (c) pyruvic acid (d) CO2 + H2O

Description : End product of citric acid cycle/Krebs’ cycle is (a) citric acid (b) lactic acid (c) pyruvic acid (d) CO2 + H2O

Last Answer : (d) CO2 + H2O.

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

When you do strenuous exercise, oxygen is used up rapidly. What substance is formed. a) pyruvic acid(pron: pie-ROO-vik) b) lactic acid c) glucose d) alcohol

Description : When you do strenuous exercise, oxygen is used up rapidly. What substance is formed. a) pyruvic acid(pron: pie-ROO-vik) b) lactic acid c) glucose d) alcohol

Last Answer : ANSWER: B -- LACTIC ACID

Into which of the following acids is glucose broken down in the first stage of carbohydrate metabolism? Is it: a) pyruvic acid (pie-rue-vick acid) b) lactic acid c) hydrochloric acid d) citric acid

Description : Into which of the following acids is glucose broken down in the first stage of carbohydrate metabolism? Is it: a) pyruvic acid (pie-rue-vick acid) b) lactic acid c) hydrochloric acid d) citric acid

Last Answer : ANSWER: A -- PYRUVIC ACID 

In beri beri there will be accumulation of _________ in blood. (A) Aceto acetic acid (B) β−hydroxy butyric acid (C) Pyruvic acid (D) Methyl malonic acid

Description : In beri beri there will be accumulation of _________ in blood. (A) Aceto acetic acid (B) β−hydroxy butyric acid (C) Pyruvic acid (D) Methyl malonic acid

Last Answer : Answer : C

In beri beri there will be accumulation of _______ in blood. (A) Aceto acetic acid (B) β-OH butyric acid (C) Pyruvic acid (D) Methyl malonic acid

Description : In beri beri there will be accumulation of _______ in blood. (A) Aceto acetic acid (B) β-OH butyric acid (C) Pyruvic acid (D) Methyl malonic acid

Last Answer : Answer : C

A 73 year old male presented with an acute attack of gout in his left knee. What is the most likely underlying metabolic cause? 1) decreased renal excretion of uric acid 2) endogenous overproduction of uric acid 3) excessive dietary purine intake 4) lactic acidosis 5) starvation

Description : A 73 year old male presented with an acute attack of gout in his left knee. What is the most likely underlying metabolic cause? 1) decreased renal excretion of uric acid 2) endogenous overproduction of uric acid 3) excessive dietary purine intake 4) lactic acidosis 5) starvation

Last Answer : Answers-1 The aetiology of gout can broadly be divided into cases where there is underexcretion of urate via the kidney (90%) or endogenous overproduction of uric acid (10%) although in practical ... diuretic use. Excessive dietary intake of purines is unlikely to be the main cause in this case.

Select the correct statement with respect to locomotion in humans. (a) The vertebral column has 10 thoracic vertebrae. (b) The joint between adjacent vertebrae is a fibrous joint. (c) A decreased level of progesterone causes osteoporosis in old people. (d) Accumulation of uric acid crystals in joints causes their inflammation

Description : Select the correct statement with respect to locomotion in humans. (a) The vertebral column has 10 thoracic vertebrae. (b) The joint between adjacent vertebrae is a fibrous joint. (c) A ... osteoporosis in old people. (d) Accumulation of uric acid crystals in joints causes their inflammation

Last Answer : (d) Accumulation of uric acid crystals in joints causes their inflammation.

Match the items given in column I with those in column II and select the correct option given below. Column I Column II A. Glycosuria (i) Accumulation of uric acid in joints B. Gout (ii) Mass of crystallised salts within the kidney C. Renal calculi (iii) Inflammation in glomeruli D. Glomerular (iv) Presence of glucose in nephritis urine A B C D (a) (iii) (ii) (iv) (i) (b) (i) (ii) (iii) (iv) (c) (ii) (iii) (i) (iv) (d) (iv) (i) (ii) (iii)

Description : Match the items given in column I with those in column II and select the correct option given below. Column I Column II A. Glycosuria (i) Accumulation of uric acid in joints B. Gout (ii) Mass of crystallised salts within the kidney ... (iii) (iv) (c) (ii) (iii) (i) (iv) (d) (iv) (i) (ii) (iii)

Last Answer : (d) (iv) (i) (ii) (iii)

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

In addition to testing the calibration of a circuit breaker, maintenance should include all of the following EXCEPT ______________. A. changing out of magnetic elements and thermal heaters yearly B. checking for corrosion, accumulation of dirt and thermal fatigue C. inspecting for loose or missing parts D. making sure foreign matter does not block tripping element

Description : In addition to testing the calibration of a circuit breaker, maintenance should include all of the following EXCEPT ______________. A. changing out of magnetic elements and thermal heaters yearly B. ... for loose or missing parts D. making sure foreign matter does not block tripping element

Last Answer : Answer: A

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

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

What is the form of excess glucose accumulation in liver or muscle cells ?

Last Answer : Excess glucose is stored in the liver or muscle cells in the form of glycogen.

Select the correct statement with respect to disorders of muscles in humans. (a) Failure of neuromuscular transmission in myasthenia gravis can prevent normal swallowing. (b) Accumulation of urea and creatine in the joints causes their inflammation. (c) An overdose of vitamin D causes osteoporosis. (d) Rapid contractions of skeletal muscles cause muscle dystrophy

Description : Select the correct statement with respect to disorders of muscles in humans. (a) Failure of neuromuscular transmission in myasthenia gravis can prevent normal swallowing. (b) Accumulation of ... of vitamin D causes osteoporosis. (d) Rapid contractions of skeletal muscles cause muscle dystrophy

Last Answer : (a) Failure of neuromuscular transmission in myasthenia gravis can prevent normal swallowing.

Which of the following terms refers to chest pain brought on by physical or emotional stress and relieved by rest or medication? a) angina pectoris Angina pectoris is a symptom of myocardial ischemia. b) atherosclerosis Atherosclerosis is an abnormal accumulation of lipid deposits and fibrous tissue within arterial walls and lumens. c) atheroma Atheromas are fibrous caps composed of smooth muscle cells that form over lipid deposits within arterial vessels. d) ischemia Ischemia is insufficient tissue oxygenation and may occur in any part of the body.

Description : Which of the following terms refers to chest pain brought on by physical or emotional stress and relieved by rest or medication? a) angina pectoris Angina pectoris is a symptom of myocardial ischemia. ... d) ischemia Ischemia is insufficient tissue oxygenation and may occur in any part of the body.

Last Answer : a) angina pectoris Angina pectoris is a symptom of myocardial ischemia.

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

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

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.

Sweat contains water and ______. (1) Citric acid (2) Lactic acid (3) Salt (4) Vinegar

Description : Sweat contains water and ______. (1) Citric acid (2) Lactic acid (3) Salt (4) Vinegar

Last Answer : (3) Salt Explanation: Sweat contains mainly water. It also contains minerals, lactate, and urea. It also contains a smaller amount of sodium chloride (main component of ordinary table salt).

Which of the following acids serves as an electrolyte in a lead storage battery? (1) Sulphuric acid (2) Lactic acid (3) Hydrochloric acid (4) Nitric acid

Description : Which of the following acids serves as an electrolyte in a lead storage battery? (1) Sulphuric acid (2) Lactic acid (3) Hydrochloric acid (4) Nitric acid

Last Answer : (1) Sulphuric acid Explanation: Dilute sulfuric acid (H2SO4) serves as the electrolyte in a lead-acid battery. Dilute sulfuric acid used for lead acid battery has ratio (to water) of 3:1 other components of the battery include: Lead peroxide (PbO2) and Sponge lead (Pb).

Sour milk contains – (1) acetic acid (2) tartaric acid (3) citric acid (4) lactic acid

Description : Sour milk contains – (1) acetic acid (2) tartaric acid (3) citric acid (4) lactic acid

Last Answer : (4) lactic acid \ Explanation: Lactic acid, also known as milk acid, is a chemical compound that plays a role in various biochemical processes and was first isolated in 1780 by the Swedish ... kefir, and some cottage cheeses. The casein in fermented milk is coagulated (curdled) by lactic acid.

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.

Vinegar made by fermentation from cane sugar contains – (1) palmitic acid (2) lactic acid (3) citric acid (4) acetic acid

Description : Vinegar made by fermentation from cane sugar contains – (1) palmitic acid (2) lactic acid (3) citric acid (4) acetic acid

Last Answer : (4) acetic acid Explanation: Vinegar is a liquid substance consisting mainly of acetic acid (CH3CO2H) and water, the acetic acid being produced through the fermentation of ethanol by acetic ... are still promoted today. Commercial vinegar is produced either by fast or slow fermentation processes.

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.

Saponification of a fat (a) always results in the formation of insoluble soaps (b) produces glycerol and soap (c) is used in the production of detergents (d) is used in the production of lactic acid

Description : Saponification of a fat (a) always results in the formation of insoluble soaps (b) produces glycerol and soap (c) is used in the production of detergents (d) is used in the production of lactic acid

Last Answer : produces glycerol and soap

Which of the following will give acetic acid on acid-hydrolysis? (a) Ethyl acetate (b) Acetone (c) Methyl propionate (d) Lactic acid

Description : Which of the following will give acetic acid on acid-hydrolysis? (a) Ethyl acetate (b) Acetone (c) Methyl propionate (d) Lactic acid

Last Answer : Ethyl acetate

How many optical isomers are possible for lactic acid? (a) 2 (b) 4 (c) 6 (d) 8

Description : How many optical isomers are possible for lactic acid? (a) 2 (b) 4 (c) 6 (d) 8

Last Answer : 2

Which of the following compounds will be optically active? (a) Succinic acid (b) meso-Tartaric acid (d) Lactic acid (d) Chloroacetic acid

Description : Which of the following compounds will be optically active? (a) Succinic acid (b) meso-Tartaric acid (d) Lactic acid (d) Chloroacetic acid

Last Answer : Lactic acid

Geometrical isomerism is shown by (a) Lactic acid (b) Maleic acid (c) 1-Butene (d) 1,1-Dichloroethylene

Description : Geometrical isomerism is shown by (a) Lactic acid (b) Maleic acid (c) 1-Butene (d) 1,1-Dichloroethylene

Last Answer : Maleic acid

73. Yeast is used in the production of (1) Cheese and butter (2) Citric acid and lactic acid (3) Lipase and pectinase (4) Bread and ****

Description : 73. Yeast is used in the production of (1) Cheese and butter (2) Citric acid and lactic acid (3) Lipase and pectinase (4) Bread and beer

Last Answer : Bread and beer

Which of the following acids serves as an electrolyte in a lead storage battery? (1) Sulphuric acid (2) Lactic acid (3) Hydrochloric acid (4) Nitric acid

Description : Which of the following acids serves as an electrolyte in a lead storage battery? (1) Sulphuric acid (2) Lactic acid (3) Hydrochloric acid (4) Nitric acid

Last Answer : Sulphuric acid

Sweat contains water and _______. (1) Citric acid (2) Lactic acid (3) Salt (4) Vinegar

Description : Sweat contains water and _______. (1) Citric acid (2) Lactic acid (3) Salt (4) Vinegar

Last Answer : Salt

Which of these acids is not organic in origin? (1) Lactic acid (2) Sulphuric acid (3) Citric acid (4) Oxalic acid

Description : Which of these acids is not organic in origin? (1) Lactic acid (2) Sulphuric acid (3) Citric acid (4) Oxalic acid

Last Answer : Sulphuric acid

Vinegar made by fermentation from cane sugar contains (1) palmitic acid (2) lactic acid (3) citric acid (4) acetic acid

Description : Vinegar made by fermentation from cane sugar contains (1) palmitic acid (2) lactic acid (3) citric acid (4) acetic acid

Last Answer : acetic acid

Sour milk contains (1) acetic acid (2) tartaric acid (3) citric acid (4) lactic acid

Description : Sour milk contains (1) acetic acid (2) tartaric acid (3) citric acid (4) lactic acid 

Last Answer :  lactic acid

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