USMLE Style questions

Chemistry of Nucleotides-Multiple-choice questions

1- Which statement best describes Xanthine ? a) It is a direct precursor of Guanine b) It covalently binds to Allopurinol c) It is oxidized to form Uric acid d) It is oxidized to form Hypoxanthine e) It is a substrate rather than a product of the enzyme Xanthine oxidase 2- Methylated heterocyclic bases of […]

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Multiple-choice questions- Chemistry of carbohydrates- Revision- Set-2

Q.1- Which of the following is not a disaccharide? a) Hyaluronic acid                                             b) Maltose c) Lactose                                            d) Sucrose                                                           Q.2- What is the molecular formula of Glucose? a) CH3OH                                             b) C12H22O11 c) C6H1206                                                             d)  C6H12O5                                            Q.3-Sucrose is composed of which two sugars? a) Glucose and Glucose                                 b) Glucose

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“Comprehensive Guide: Acid-Base Imbalance, Anion Gap, and Clinical Cases”

“Understand acid-base imbalances and their clinical significance. This guide includes cases on metabolic acidosis, respiratory alkalosis, and normal anion gap metabolic acidosis, along with ABG interpretation and renal handling of acids.”

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Acid-base balance and imbalance, water and electrolyte balance and detoxification-Multiple choice questions

“Challenge yourself with 20 detailed multiple-choice questions on acid-base balance, electrolyte regulation, and detoxification. Learn about ABG interpretation, causes of metabolic acidosis, and key physiological mechanisms.”

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Sanfilippo syndrome

Case details A 6-year-old boy is seen by a pediatrician because his parents are concerned about his aggressive behavior, hyperactivity, and a loss of language skills. He also has recently become increasingly unsteady on his feet and has experienced a recent seizure. Slight facial feature coarsening is noted. In which of the following processes is this child

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Chemical Nature of Sialic acid

The influenza virus infects cells by binding its viral hemagglutinin to “Sialic acid” on the surface of epithelial cells. Which of the following represents the true chemical nature of sialic acid? A. Glycolipid B. Amino sugar C. Amino sugar acid D. Lipoprotein E. Glycoprotein. Details The correct answer is C- Amino sugar acid. Sialic acid

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