bio. mid-term

Descripción

Quiz on bio mid-term
أطباء2020
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أطباء2020
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Resumen del Recurso

Pregunta 1

Pregunta
All the following metabolic changes according to DM II are true EXCEPT:
Respuesta
  • Hyperglycaemia
  • Ketoacidosis
  • Hypertriglyceridemia
  • Polyurea

Pregunta 2

Pregunta
Treatment of DM I depends on:
Respuesta
  • Exogenous insulin
  • Diet control
  • Weight loss
  • All of above

Pregunta 3

Pregunta
All the following is true about DM I EXCEPT:
Respuesta
  • Lypolysis and weight loss
  • Proteolysis results in -ve nitrogen balance
  • Hyperglycaemia is correlated to diet
  • Diagnosed by fasting blood glucose test

Pregunta 4

Pregunta
Which of the following is true:
Respuesta
  • Fasting glucose level 110-126 mg/dl indicates diabetes
  • Fasting glucose level 126mg/dl indicates pre-diabetes
  • Normal fasting glucose level os less than 40 mg/dl
  • when random blood glucose level is 200 mg/dl in just one occasion indicates diabetes

Pregunta 5

Pregunta
Choose the correct answer:
Respuesta
  • DM I is more common than DM II
  • Ketosis is more common in type II diabetes
  • Insulin level is high at first in type I
  • DM II is responsive to hypoglycemic drugs

Pregunta 6

Pregunta
Major products of pepsin digestion are:
Respuesta
  • Free amino acids
  • Monopeptides
  • Dipeptides
  • Oligopeptides

Pregunta 7

Pregunta
Pancreatic secretions contain all EXCEPT:
Respuesta
  • Proelastase
  • Enterokinase
  • Trypsinogen
  • Procarboxypeptidase

Pregunta 8

Pregunta
Transport of amino acids through cell membranes in intestine, kidney & brain occurs due to :
Respuesta
  • Hydrolysis of ATP
  • Hydrolysis of peptide bond of GSH
  • Simple diffusion
  • None of above

Pregunta 9

Pregunta
The coenzyme needed for L-amino acid oxidase is:
Respuesta
  • NAD+
  • NADP+
  • FMN+
  • FAD+

Pregunta 10

Pregunta
Which of the following can't be found in cytosol of liver:
Respuesta
  • Carbamoyl P
  • Citrulline
  • Ornithine
  • Fumarate

Pregunta 11

Pregunta
In vit. B6 deficiency, which enzyme of the following will not be affected:
Respuesta
  • GABA-T
  • AST
  • MAO
  • GAD

Pregunta 12

Pregunta
N7 of purines is derived from:
Respuesta
  • Glycine
  • Aspartate
  • Arginine
  • Histidine

Pregunta 13

Pregunta
Phenylalanine is essential in synthesis of all EXCEPT:
Respuesta
  • Thyroid hormones
  • Catecholamines
  • Serotonin
  • Melanine

Pregunta 14

Pregunta
G6PD deficiency will effect function of all EXCEPT:
Respuesta
  • Glyoxalate oxidase
  • Cysteine dioxygenase
  • Nitric oxide synthase
  • 3 phosphoglycerate Dehydrogenase

Pregunta 15

Pregunta
Glutamate semialdehyde can be formed from:
Respuesta
  • Proline
  • Arginine
  • Ornithine
  • All of above

Pregunta 16

Pregunta
DihydroFolate reductase is inhibited by:
Respuesta
  • Methotrexate
  • Trimethoprim
  • Aminopterine
  • All of above

Pregunta 17

Pregunta
C8 of purines comes from :
Respuesta
  • Methylene group
  • Methenyl group
  • Methyl group
  • Hydroxymethyl group

Pregunta 18

Pregunta
Absorption of vit. B12 occurs in:
Respuesta
  • Stomach
  • Duodenum
  • Jejunum
  • Ileum

Pregunta 19

Pregunta
Inactive form of vit. B12 is:
Respuesta
  • Methyl cobalamin
  • 5-deoxyadenosyl cobalamin
  • Cyanocobalamin
  • Hydroxycobalamin

Pregunta 20

Pregunta
Vit. B12 deficiency leads to:
Respuesta
  • Megaloblastic anemia
  • Glossitis
  • Methylmalonic aciduria
  • All of above

Pregunta 21

Pregunta
Insulin structure has:
Respuesta
  • Intermolecular disulfide bonds
  • Intramolecular disulfide bonds
  • A+B
  • None of above

Pregunta 22

Pregunta
Action of insulin includes:
Respuesta
  • Induction of gluconeogenesis
  • Induction of glycolysis
  • Induction of Lypolysis
  • Induction of proteolysis

Pregunta 23

Pregunta
Increasing in amino acids level and decreasing glucose level in blood stimulates release of :
Respuesta
  • Insulin
  • Glucagon
  • A+B
  • Epinephrine

Pregunta 24

Pregunta
Allocteric activator of acetyl coA carboxylase is:
Respuesta
  • Ca++
  • Citrate
  • B12
  • Cu++

Pregunta 25

Pregunta
During fasting state which of the following is true:
Respuesta
  • Lipogenesis occurs in liver
  • Proteolysis increases at late fasting
  • Glycogenolysis occurs at late fasting
  • Glucagon level increases
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