KVV E-Modules

Which of the following statements best defines a prodrug?

A: A. A prodrug is a compound that is always pharmacologically active. B: B. A prodrug is an inactive or less active compound that is converted into an active drug in the body. C: C. A prodrug is a toxic metabolite formed during drug metabolism. D: D. A prodrug is a natural herbal compound.

Which of the following statements correctly explains the purpose of designing prodrugs?

A: A. Prodrugs are designed to increase the toxicity of drugs. B: B. Prodrugs are designed to reduce the effectiveness of drugs. C: C. Prodrugs are designed to improve properties such as solubility, bioavailability, and stability. D: D. Prodrugs are designed to eliminate drug metabolism.

Which of the following statements is true about carrier-linked prodrugs?

A: A. Carrier-linked prodrugs do not require enzymatic cleavage. B: B. Carrier-linked prodrugs consist of an active drug attached to a promoiety that is removed in the body. C: C. Carrier-linked prodrugs are always active without modification. D: D. Carrier-linked prodrugs cannot improve drug solubility.

Which of the following statements is true about carrier-linked prodrugs?

A: A. Carrier-linked prodrugs do not require enzymatic cleavage. B: B. Carrier-linked prodrugs consist of an active drug attached to a promoiety that is removed in the body. C: C. Carrier-linked prodrugs are always active without modification. D: D. Carrier-linked prodrugs cannot improve drug solubility.

Which of the following statements best describes classical bioisosteres?

A: A. Classical bioisosteres do not follow any rules of valency or size. B: B. Classical bioisosteres are based on similar size, shape, and valency of atoms or groups. C: C. Classical bioisosteres are only used in natural products. D: D. Classical bioisosteres always increase drug toxicity.

Which of the following statements best describes classical bioisosteres?

A: A. Classical bioisosteres do not follow any rules of valency or size. B: B. Classical bioisosteres are based on similar size, shape, and valency of atoms or groups. C: C. Classical bioisosteres are only used in natural products. D: D. Classical bioisosteres always increase drug toxicity.

Which of the following statements correctly explains the application of bioisosterism in drug design?

A: A. Bioisosterism is used only to increase drug cost. B: B. Bioisosterism is used to replace functional groups to improve potency, selectivity, and pharmacokinetic properties. C: C. Bioisosterism is used to stop drug absorption. D: D. Bioisosterism is used only in herbal medicine.

Which of the following statements correctly explains the application of bioisosterism in drug design?

A: A. Bioisosterism is used only to increase drug cost. B: B. Bioisosterism is used to replace functional groups to improve potency, selectivity, and pharmacokinetic properties. C: C. Bioisosterism is used to stop drug absorption. D: D. Bioisosterism is used only in herbal medicine.