Question

In: Nursing

Glycogenesis is building up glycogen from glucose molecules, while gluconeogenesis is making glucose from non-carbohydrate source....

  1. Glycogenesis is building up glycogen from glucose molecules, while gluconeogenesis is making glucose from non-carbohydrate source.

    True

    False

1 points   

QUESTION 2

  1. The oxidation of fatty acids occurs in the ______________

    cell membrane

    mitochondria

    nucleus

    cytosol

1 points   

QUESTION 3

  1. Acetyl-CoA is a key compound in the metabolic pathways, which can be produced in all of the following, except

    from pyrovate

    from fatty acids during beta oxidation

    from alcohol oxidation

    from oxidation of non-glucogenic amino acids

    all of the above are correctly stated.

1 points   

QUESTION 4

  1. The end  products of cellular respiration are  ______________

    H2O, CO2, and 32 ATP

    glucose and 32 ATP

    water and CO2

    glycogen

1 points   

QUESTION 5

  1. Phenylketonuria is an inborn error of metabolism that may result in impaired mental development in children. Which of the following statements is true about this disease?

    it is due to deficiency of phenyl alanine hydroxylase enzyme in the liver.

    It results in insufficient production of tyrosine amino acid

    People of Irish descent are especially affected

    The mandatory screening test to all newly born children proved effective in early diagnosis and proper management.

    all of the above are correct.

1 points   

QUESTION 6

  1. These two minerals are vital in carrying out the electron transport chain for the production of ATP molecules of energy in the mitochondria

    copper and magnesium

    iron and calcium

    zinc and magnesium

    copper and iron

1 points   

QUESTION 7

  1. The total number of ATP produced in glycolysis is _____

    1 ATP

    2 ATP

    4 ATP

    32 ATP

1 points   

QUESTION 8

  1. Metabolism is regulated by ____________

    hormones

    enzymes

    the energy status of the body

    all of the above are correct

1 points   

QUESTION 9

  1. In fasting as well as in uncontrolled diabetes mellitus, oxidation of fatty acids leads to accumulation of ___________

    ketone bodies with resulting alkalosis

    ketone bodies with ketonuria and loss of sodium and potassium in the urine.

    fatty acids in the liver with hyperkalemia (increased potassium in the blood)

    Ketone bodies with loss of urea in the urine

1 points   

QUESTION 10

  1. When a muscle is exercising under anaerobic conditions, the production of __________ ensures continuous supply of NAD.

    glucose-6- phosphate

    pyruvate

    lactate

    glycogen

1 points   

QUESTION 11

  1. In electron transport chain, when a chemical compound is oxidized, it gains electrons

    True

    False

1 points   

QUESTION 12

  1. The end product of protein metabolism is ____________, which is combined with ____________ in the liver to make ______________, which is excreted mainly in the _____________

    ammonia, CO2, urea, kidneys

    urea, CO2, ammonium, kidneys

    ammonium, CO2, urea, skin

    urea, CO2, ammonium, liver

1 points   

QUESTION 13

  1. All of the following are part of the cellular respiration, except ______________

    citric acid cycle

    electron transport chain

    transition molecule

    protein deamination

    glycolysis

1 points   

QUESTION 14

  1. During fasting, all of the following may take place, except ______________

    The liver glycogen is breaking down in order to maintain the blood glucose level

    lipolysis and beta oxidation might take place

    amino acids might be converted to oxaloacetic acid and glucose

    glucagon, growth hormone, and epinephrine are released

    Insulin enhances the transport of glucose into the cells for oxidation

1 points   

QUESTION 15

  1. All of the following metabolic activities take place in the liver, except __________

    formation of ketone bodies during beta oxidation of fatty acids

    formation of urea from ammonia and CO2

    storage of glucose in form of glycogen

    conversion of alcohol to acetaldehyde and acetyl-CoA

    synthesis of cholesterol

    all of the above are correctly done in the liver

Solutions

Expert Solution

Q1

Answer. True.

Glycogenesis means converting glucose to glycogen and gluconeogenesis means converting glucose from carbohydrate.

Q2

Answer. Mitochondria .

The oxidation of fatty acid occurs in mitochondria

Q3

Answer. Except from oxidation of alcohol because it produce aldehyde and ketone.

Q4

Answer. Water and carbondioxide

the end product of cellular respiration is water and carbondioxide. ATP are produce during the process.

Q5

Answer. All of the above are correct

phenylketouria is occurs due to deficeincy of phenylalanine hydronase leads to less production of tyrosine amino acid. This disease is common in irish people. It is mendatory for compulsory screening for newborn.

Q6.

Answer. Zinc and magnesium

Zinc and magnesium are vital mineral to carry out electron transport chain for the production of ATP.

Q7.

Answer. 4 ATP molecules.

Glycolysis start with glucose 1 molecules and end up with 2 pyruvate, 4 ATP molecules and 2 NADH molecules.


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