MCQ Book Questions

Q55074. Which of the following terms best describes a co-factor that is firmly bound to an apoenzyme?

Q55075. Enzymes that uncouple peptide linkages are best classified as

Q55076. The sugar that is inherent in the nucleic acids RNA and DNA is

Q55077. N-oxidation will be involved with the metabolism of following drugs, except

Q55078. Which of the following statements describes plasmids? They

Q55079. Bacteria that grow at temperatures as high as 550C are known as

Q55080. Which of the following organisms can use only molecular oxygen as the final acceptor?

Q55081. A declining growth rate occurs during which of the following phases of bacterial cell growth?

Q55082. Which class of antibody has the longest serum half-life and opsonizes antigens for phagocytosis through two different pathways?

Q55083. Urticaria that appears rapidly after the ingestion of food usually indicates which type of hypersensitivity reaction?

Q55084. A patient receives long-term, high-dose therapy with a sulfonamide. After approximately 3 weeks of therapy, the patient has a low-grade fever, rash, and muscle and joint pain. Which type of hypersensitivity accounts for these symptoms?

Q55085. CD4+T cells specifically recognize antigens in which form?

Q55086. Which of the following statements concerning a drug receptor is true?

Q55087. Which of the following acids has the highest degree of ionization in an aqueous solution?

Q55088. Which of the following salts forms an aqueous solution that is alkaline to litmus?

Q55089. Hydrolysis reaction are involved with the metabolism of following drugs, except

Q55090. Flurazepam has pKa of 8.2. What percentage of flurazepam will be ionized at a urine pH of 5.2?

Q55091. Precipitation may occur when mixing aqueous solutions of meperidine hydro- chloride with which of the following solutions?

Q55092. The excretion of a weakly acidic drug generally is more rapid in alkaline urine than in acidic urine. This process occurs because

Q55093. Which of the following drugs is considered to be the agent of choice for anaphylactic reactions?