The percentage of the total body calcium present in bones is (A) 1 (B) 11 (C) 55 (D) 99

The percentage of the total body calcium present in bones is (A) 1 (B) 11 (C) 55 (D) 99
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The following proportion of the total body calcium is present in bones and teeth: (A) 75% (B) 90% (C) 95% (D) 99%

Description : The following proportion of the total body calcium is present in bones and teeth: (A) 75% (B) 90% (C) 95% (D) 99%

Last Answer : Answer : D

Assume postal rates for 'light letters' are: $0.25 up to 10 grams; $0.35 up to 50 grams; $0.45 up to 75 grams; $0.55 up to 100 grams. Which test inputs (in grams) would be selected using boundary value analysis? A. 0, 9,19, 49, 50, 74, 75, 99,100 B. 10, 50, 75,100, 250, 1000 C. 0, 1,10,11, 50, 51, 75, 76,100,101 D. 25, 26, 35, 36, 45, 46, 55, 56

Description : Assume postal rates for 'light letters' are: $0.25 up to 10 grams; $0.35 up to 50 grams; $0.45 up to 75 grams; $0.55 up to 100 grams. Which test inputs (in grams) would be selected using boundary value analysis? A. 0, 9,19, ... C. 0, 1,10,11, 50, 51, 75, 76,100,101 D. 25, 26, 35, 36, 45, 46, 55, 56

Last Answer : C. 0, 1,10,11, 50, 51, 75, 76,100,101

The maximal renal tubular reabsorptive capacity for calcium (Tmca) in mg/min is about (A) 1.5 ± 0.1 (B) 4.99 ± 0.21 (C) 5.5 ± 1.2 (D) 10.2 ± 2.2

Description : The maximal renal tubular reabsorptive capacity for calcium (Tmca) in mg/min is about (A) 1.5 ± 0.1 (B) 4.99 ± 0.21 (C) 5.5 ± 1.2 (D) 10.2 ± 2.2

Last Answer : Answer : B

Number of students in 4th and 5th class is in the ratio 6 : 11. 40% in class 4 are girls and 48% in class 5 are girls. What percentage of students in both the classes are boys? A) 62.5% B) 54.8% C) 52.6% D) 55.8% E) 53.5%

Description : Number of students in 4th and 5th class is in the ratio 6 : 11. 40% in class 4 are girls and 48% in class 5 are girls. What percentage of students in both the classes are boys? A) 62.5% B) 54.8% C) 52.6% D) 55.8% E) 53.5%

Last Answer : Answer: B Total students in both = 6x+11x = 17x Boys in class 4 = (60/100)*6x = 360x/100 Boys in class 5 = (52/100)*11x = 572x/100 So total boys = 360x/100 + 572x/100 = 932x/100 = 9.32x % of boys = [9.32x/17x] * 100=54.8%

Find the median of the following observations: 46,64,87,41,58,77,35,90,55,92,33. If 92 is replaced by 99 and 41 by 43. find the new median -Maths 9th

Description : Find the median of the following observations: 46,64,87,41,58,77,35,90,55,92,33. If 92 is replaced by 99 and 41 by 43. find the new median -Maths 9th

Last Answer : Here's ur answer Hope it has helped u..

The scores of an English test out of 100 of 20 students are given below : 75, 69, 88, 55, 95, 88, 73, 64, 75, 98, 88, 95, 90, 95, 88, 44, 59, 67, 88, 99. -Maths 9th

Description : The scores of an English test out of 100 of 20 students are given below : 75, 69, 88, 55, 95, 88, 73, 64, 75, 98, 88, 95, 90, 95, 88, 44, 59, 67, 88, 99. -Maths 9th

Last Answer : Median=n=even =n/2=20/2=10th observation =98 Mode =88

Find the median of the following observations: 46,64,87,41,58,77,35,90,55,92,33. If 92 is replaced by 99 and 41 by 43. find the new median -Maths 9th

Description : Find the median of the following observations: 46,64,87,41,58,77,35,90,55,92,33. If 92 is replaced by 99 and 41 by 43. find the new median -Maths 9th

Last Answer : Here's ur answer Hope it has helped u..

The scores of an English test out of 100 of 20 students are given below : 75, 69, 88, 55, 95, 88, 73, 64, 75, 98, 88, 95, 90, 95, 88, 44, 59, 67, 88, 99. -Maths 9th

Description : The scores of an English test out of 100 of 20 students are given below : 75, 69, 88, 55, 95, 88, 73, 64, 75, 98, 88, 95, 90, 95, 88, 44, 59, 67, 88, 99. -Maths 9th

Last Answer : Median=n=even =n/2=20/2=10th observation =98 Mode =88

The percentage of calcium present in extracellular fluid is (A) 1 (B) 5 (C) 10 (D) 50

Description : The percentage of calcium present in extracellular fluid is (A) 1 (B) 5 (C) 10 (D) 50

Last Answer : Answer : A

Normal total serum calcium level varies between (A) 4–5 mg (B) 9–11 mg (C) 15–20 mg (D) 50–100 mg WATER AND ELECTROLYTE BALANCE 281

Description : Normal total serum calcium level varies between (A) 4–5 mg (B) 9–11 mg (C) 15–20 mg (D) 50–100 mg WATER AND ELECTROLYTE BALANCE 281

Last Answer : Answer : B

The main chemical substance present in the bones and teeth of animals is: A. Sodium Chloride B. Sugar C. Calcium Phosphate D. Calcium sulphate

Description : The main chemical substance present in the bones and teeth of animals is: A. Sodium Chloride B. Sugar C. Calcium Phosphate D. Calcium sulphate

Last Answer : ANSWER: C

The main chemical substance present in the bones and teeth of animal is (a) sodium chloride (b) sugar (c) calcium phosphate (d) calcium sulphate

Description : The main chemical substance present in the bones and teeth of animal is (a) sodium chloride (b) sugar (c) calcium phosphate (d) calcium sulphate

Last Answer : Ans:(c)

The chemical substance present in bones and teeth is - (1) Calcium phosphate (2) Calcium chloride (3) Calcium sulphate (4) Calcium borate

Description : The chemical substance present in bones and teeth is - (1) Calcium phosphate (2) Calcium chloride (3) Calcium sulphate (4) Calcium borate

Last Answer : (1) Calcium phosphate Explanation: Seventy percent of bone consists of hydroxyapatite, a calcium phosphate mineral (known as bone mineral). Tooth enamel is composed of almost ninety percent hydroxylapatite.

The chemical substance present in bones and teeth is - (1) Calcium phosphate (2) Calcium chloride (3) Calcium sulphate (4) Calcium borate

Description : The chemical substance present in bones and teeth is - (1) Calcium phosphate (2) Calcium chloride (3) Calcium sulphate (4) Calcium borate

Last Answer : (1) Calcium phosphate Explanation: Seventy percent of bone consists of hydroxyapatite, a calcium phosphate mineral. (known as bone mineral). Tooth enamel is composed of almost ninety percent hydroxylapatite.

The chemical substance present in bones and teeth is (1) Calcium phosphate (2) Calcium chloride (3) Calcium sulphate (4) Calcium borate

Description : The chemical substance present in bones and teeth is (1) Calcium phosphate (2) Calcium chloride (3) Calcium sulphate (4) Calcium borate

Last Answer : Calcium phosphate

A 55 year-old female complaining of vague tiredness is found to have a serum corrected calcium concentration of 2.9 mmol/l. Examination was unremarkable. Which of the following results confirms the suspected diagnosis of primary hyperparathyroidism? 1) High normal 1,25-dihydroxyvitamin D concentration 2) High normal 24 hour urinary calcium concentration 3) High normal plasma parathyroid hormone concentration 4) Low normal plasma phosphate concentration 5) Low normal serum 25-hydroxyvitamin D concentration

Description : A 55 year-old female complaining of vague tiredness is found to have a serum corrected calcium concentration of 2.9 mmol/l. Examination was unremarkable. Which of the following results ... 4) Low normal plasma phosphate concentration 5) Low normal serum 25-hydroxyvitamin D concentration

Last Answer : Answers-3 Bit too easy really. A high or even normal PTH concentration in the presence of hypercalcaemia would support the diagnosis of hyperparathyroidism. A high urinary Calcium concentration may ... but neither confirm the diagnosis. Elevated 1,25 VitD suggests a diagnosis of hypervitaminosis D.

Serum biochemistry of a 60 year old man revealed calcium of 1.98 mmol/l and phosphate of 0.55 mmol/l with an alkaline phosphatase of 450 IU/l.Which among the following mosts suits with the above serum biochemistry? 1) Osteoporosis 2) Osteomalacia 3) Pagets Disease 4) Secondary Hyperparathyroidism 5) Renal failure

Description : Serum biochemistry of a 60 year old man revealed calcium of 1.98 mmol/l and phosphate of 0.55 mmol/l with an alkaline phosphatase of 450 IU/l.Which among the following mosts suits ... biochemistry? 1) Osteoporosis 2) Osteomalacia 3) Pagets Disease 4) Secondary Hyperparathyroidism 5) Renal failure

Last Answer : Answers-2 Osteomalacia is associated with low calcium and phosphate with raised alkaline phosphatase. Serum biochemistry is normal in osteoporosis. Pagets disease is associated with normal ... renal failure when tertiary hyperparathyroidism sets in there is low calcium with raised phosphate.

Fluid present in dense connective tissue and cartilage in ml/kg body weight is about (A) 10 (B) 20 (C) 45 (D) 55

Description : Fluid present in dense connective tissue and cartilage in ml/kg body weight is about (A) 10 (B) 20 (C) 45 (D) 55

Last Answer : Answer : C

What is the total number of bones that are present in human body? (1) 309 (2) 405 (3) 103 (4) 206

Description : What is the total number of bones that are present in human body? (1) 309 (2) 405 (3) 103 (4) 206

Last Answer : (4) 206 Explanation: The human skeleton is the internal framework of the body. It is composed of around 270 bones at birth this total decrease to around 206 bones by adulthood after some bones get fused together.

All the following statements regarding calcium are correct except (A) It diffuses as a divalent cation (B) It freely diffuses across the endoplasmic reticulum of muscle cells (C) It can exist in the blood as ionic form and also protein bound (D) It is found in high concentration in bones

Description : All the following statements regarding calcium are correct except (A) It diffuses as a divalent cation (B) It freely diffuses across the endoplasmic reticulum of muscle cells (C) It can exist in the blood as ionic form and also protein bound (D) It is found in high concentration in bones

Last Answer : Answer : B

The major calcium salt in bones is (A) Calcium carbonate (B) Calcium chloride (C) Calcium hydroxide (D) Calcium phosphate

Description : The major calcium salt in bones is (A) Calcium carbonate (B) Calcium chloride (C) Calcium hydroxide (D) Calcium phosphate

Last Answer : Answer : D

Maximum quantity of Zinc is present in the body in (A) Prostate (B) Choroid (C) Skin (D) Bones

Description : Maximum quantity of Zinc is present in the body in (A) Prostate (B) Choroid (C) Skin (D) Bones

Last Answer : Answer : C

Total of the ages of P, Q and R at present is 99 years. Eight years ago, the ratio of their ages was 4: 5: 6. What is the age of Q at present a) 44 b) 30 c) 45 d) 33

Description : Total of the ages of P, Q and R at present is 99 years. Eight years ago, the ratio of their ages was 4: 5: 6. What is the age of Q at present a) 44 b) 30 c) 45 d) 33

Last Answer : D Let their ages 8 years ago is4x, 5x and 6x years.  4x+8+5x + 8 + 6x + 8= 99 hence x= 5 Q’s present age = (5x + 8)  =33 years

What percentage of total human body weight is calcium ?

Description : What percentage of total human body weight is calcium ?

Last Answer : Calcium is 2% of the total body weight.

The total charge of a surface with densities 1,2,...,10 is a) 11 b) 33 c) 55 d) 77

Description : The total charge of a surface with densities 1,2,...,10 is a) 11 b) 33 c) 55 d) 77

Last Answer : c) 55

The percentage of Plasma in the total blood volume in human beings is about : (1) 45 (2) 50 (3) 55 (4) 60

Description : The percentage of Plasma in the total blood volume in human beings is about : (1) 45 (2) 50 (3) 55 (4) 60

Last Answer : (3) 55 Explanation: Blood plasma is a yellowish colored liquid component of blood that normally holds the blood cells in whole blood. It makes up about 55% of the body's total blood volume.

In India, which one of the following should be considered the right combination of the age in days and live body weight in kg for a lamb for its weaning ? (A) 20 days to 30 days and 6 kg to 7 kg (B) 45 days to 60 days and 8 kg to 10 kg (C) 105 days to 120 days and 18 kg to 21 kg (D) 75 days to 90 days and 12 kg to 15 kg (E) 55 days to 70 days and 9 kg to 11 kg

Description : In India, which one of the following should be considered the right combination of the age in days and live body weight in kg for a lamb for its weaning ? (A) 20 days to 30 days and 6 kg to 7 kg (B) 45 days to 60 ... (D) 75 days to 90 days and 12 kg to 15 kg (E) 55 days to 70 days and 9 kg to 11 kg

Last Answer : (C) 105 days to 120 days and 18 kg to 21 kg

The mineral present in the human body in larger amounts than any other cation is (A) Sodium (B) Calcium (C) Potassium (D) Iron

Description : The mineral present in the human body in larger amounts than any other cation is (A) Sodium (B) Calcium (C) Potassium (D) Iron

Last Answer : Answer : B

Of the total tar present in raw coke oven gas, the tar recovered in primary cooler is about __________ percent. (A) 5 (B) 25 (C) 55 (D) 75

Description : Of the total tar present in raw coke oven gas, the tar recovered in primary cooler is about __________ percent. (A) 5 (B) 25 (C) 55 (D) 75

Last Answer : (B) 25

solve this inequality: 3q + 11 + 8q > 99. -General Knowledge

Description : solve this inequality: 3q + 11 + 8q > 99. -General Knowledge

Last Answer : 3q + 11 + 8q > 99 11q > 99 - 11 11q > 88 q > 88/11 q > 8

The ratio obrtained when 9:11 is written with its consequent equal to 99 is_____

Description : The ratio obrtained when 9:11 is written with its consequent equal to 99 is_____

Last Answer : The ratio obrtained when 9:11 is written with its consequent equal to 99 is_____

How many solutions are there to the equation below 11x - 99 11(x - 9)?

Description : How many solutions are there to the equation below 11x - 99 11(x - 9)?

Last Answer : There are infinitely many solutions to 11x - 99 = 11(x - 9)

How many solutions are there to the equation below 11x - 99 11(x - 9)?

Description : How many solutions are there to the equation below 11x - 99 11(x - 9)?

Last Answer : There are infinitely many solutions to 11x - 99 = 11(x - 9)

3001 × 99 ÷ 11 -6001 × 8 + 401 × 11 + (303)2 = ? a) 76125 b) 78129 c) 75000 d) 75221 e) 74532

Description : 3001 × 99 ÷ 11 -6001 × 8 + 401 × 11 + (303)2 = ? a) 76125 b) 78129 c) 75000 d) 75221 e) 74532

Last Answer : ? =3001× 99 ÷ 11 – 6001 × 8 + 401 × 11 +(303)2 =3001 × 9 – 6001 × 8 + 401 × 11 + (303)2 =27009 -48008 + 4411 + 91809 = 75221 Answer: d)

Percentage of U-238 in natural uranium is around (A) 0.71 (B) 99.29 (C) 0.015 (D) 29.71

Description : Percentage of U-238 in natural uranium is around (A) 0.71 (B) 99.29 (C) 0.015 (D) 29.71

Last Answer : (B) 99.29

At what percentage (by volume) of alcohol composition, it forms anazeotrope with water?(A) 90(B) 91.5(C) 95(D) 99

Description : At what percentage (by volume) of alcohol composition, it forms anazeotrope with water? (A) 90 (B) 91.5 (C) 95 (D) 99

Last Answer : (C) 95

In a typical power plant used to generate electricity in the U.S., the percentage of energy in the fuel that is converted to electricity is about: w) 99 percent x) 50 percent y) 35 percent z) 10 percent

Description : In a typical power plant used to generate electricity in the U.S., the percentage of energy in the fuel that is converted to electricity is about: w) 99 percent x) 50 percent y) 35 percent z) 10 percent

Last Answer : ANSWER: Y -- 35 PERCENT 

The total calcium of the human body is about (A) 100–150 g (B) 200–300 g (C) 1–1.5 kg (D) 2–3 kg

Description : The total calcium of the human body is about (A) 100–150 g (B) 200–300 g (C) 1–1.5 kg (D) 2–3 kg

Last Answer : Answer : C

The fluid present in bones which can not be exchanged readily because of relative avascularity is about (A) 20 ml/kg (B) 25 ml/kg (C) 45 ml/kg (D) 60 ml/kg

Description : The fluid present in bones which can not be exchanged readily because of relative avascularity is about (A) 20 ml/kg (B) 25 ml/kg (C) 45 ml/kg (D) 60 ml/kg

Last Answer : Answer : C

Alkaline phosphatase is present in (A) Liver (B) Bones (C) Intestinal mucosa (D) All of these

Description : Alkaline phosphatase is present in (A) Liver (B) Bones (C) Intestinal mucosa (D) All of these

Last Answer : Answer : D

Alkaline phosphatase is present in (A) Liver (B) Bones (C) Placenta (D) All of these

Description : Alkaline phosphatase is present in (A) Liver (B) Bones (C) Placenta (D) All of these

Last Answer : Answer : D

After operative removal of the parathyroid glands resulting into hypoparathyroidism the concentration of the serum calcium may drop below (A) 11 mg (B) 10 mg (C) 9 mg (D) 7 mg

Description : After operative removal of the parathyroid glands resulting into hypoparathyroidism the concentration of the serum calcium may drop below (A) 11 mg (B) 10 mg (C) 9 mg (D) 7 mg

Last Answer : Answer : D

The normal range of plasma calcium is (A) 3-5 mg/dl (B) 5-10 mg/dl (C) 9-11 mg/dl (D) 11-15 mg/dl

Description : The normal range of plasma calcium is (A) 3-5 mg/dl (B) 5-10 mg/dl (C) 9-11 mg/dl (D) 11-15 mg/dl

Last Answer : Answer : C

The percentage of the calcium eliminated in feces is (A) 10–20 (B) 30–40 (C) 50–60 (D) 70–90

Description : The percentage of the calcium eliminated in feces is (A) 10–20 (B) 30–40 (C) 50–60 (D) 70–90

Last Answer : Answer : D

The total body water in various subjects is relatively constant when expressed as percentage of the lean body mass and is about (A). 30% (B) 40% (C) 50% (D) 70%

Description : The total body water in various subjects is relatively constant when expressed as percentage of the lean body mass and is about (A). 30% (B) 40% (C) 50% (D) 70%

Last Answer : Answer : D

Do you know where the calcium in our bones and the iron in our blood come from?

Description :  The answer to this question is very interesting. 

Last Answer : I don't know, but if someone describes it will I know?

Why is it that calcium is a soft grey metal that reacts quickly with water. Our bones contain calcium but they are not grey in colour and do not react with water?

Description : Why is it that calcium is a soft grey metal that reacts quickly with water. Our bones contain calcium but they are not grey in colour and do not react with water?

Last Answer : Bones contain hydroxyapatite - Ca10(PO4)6(OH)2., not pure calcium.

Which of the following is primarily composed of calcium carbonate? (1) Fish scales (2) Shark teeth (3) Oyster Shes (4) Whale bones

Description : Which of the following is primarily composed of calcium carbonate? (1) Fish scales (2) Shark teeth (3) Oyster Shes (4) Whale bones

Last Answer : (3) Oyster Shes Explanation: There is a high content of calcium carbonate in mussel andoyster shells, which can be used in the formulation of medicine, in construction or as filler in polymer materials.

The chemical name of "Plaster of Paris" commonly used for setting broken bones is – (1) Calcium nitrate (2) Calcium sulphate (3) Calcium carbonate (4) Calcium chloride

Description : The chemical name of "Plaster of Paris" commonly used for setting broken bones is – (1) Calcium nitrate (2) Calcium sulphate (3) Calcium carbonate (4) Calcium chloride

Last Answer : (2) Calcium sulphate Explanation: Plaster of Paris is the common name of Calcium Sulphate hemihydrate, with chemical formula: CaSO4.1/2H2O. Plaster of Paris is produced by heating gypsum to about 150°C.