Master the fundamentals of chemotherapy with targeted MCQs. Learn about antimicrobial agents, cancer therapies, and mechanisms of action to boost your exam readiness.
- What is the primary goal of chemotherapy?
- A) Eradicate normal cells
- B) Selectively target and destroy pathogenic organisms
- C) Increase the host immune response
- D) Provide symptomatic relief
- Answer: B
- Which type of chemotherapy agent targets bacterial infections?
- A) Antiviral
- B) Antifungal
- C) Antibacterial
- D) Anticancer
- Answer: C
- Anticancer drugs are included in chemotherapy because they target:
- A) Bacterial infections
- B) Neoplastic cells
- C) Fungal spores
- D) Viral particles
- Answer: B
- Which of the following is a selective toxicity characteristic of chemotherapeutic agents?
- A) Harmful to host cells
- B) Equally toxic to host and pathogen
- C) More toxic to the pathogen than the host
- D) Effective only against viral infections
- Answer: C
- A drug that kills a pathogen without harming the host is described as:
- A) Bacteriostatic
- B) Bactericidal
- C) Selectively toxic
- D) Broad-spectrum
- Answer: C
- Which class of drugs is used to treat protozoal infections?
- A) Antiviral
- B) Antifungal
- C) Antiprotozoal
- D) Antibacterial
- Answer: C
- Antifungal agents are typically used to treat infections affecting:
- A) Lungs only
- B) Skin, hair, and nails
- C) Bloodstream exclusively
- D) Bone marrow
- Answer: B
- An antiviral drug’s primary action is to:
- A) Destroy viral cell walls
- B) Inhibit viral replication
- C) Eliminate toxins from the body
- D) Enhance bacterial growth
- Answer: B
- Which is a characteristic of antitubercular drugs?
- A) Used for protozoal infections
- B) Target cancerous cells
- C) Treat fungal infections
- D) Effective against Mycobacterium tuberculosis
- Answer: D
- Anticancer chemotherapy is used because:
- A) All tumors respond well to these drugs
- B) Chemotherapy exclusively cures cancer
- C) Some tumors are highly sensitive to chemotherapy
- D) It has minimal side effects
- Answer: C
- Anthelmintics are used to treat:
- A) Bacterial infections
- B) Worm infestations
- C) Viral diseases
- D) Fungal infections
- Answer: B
- Which type of drug is most likely to cause toxic effects in the host?
- A) Antibacterial
- B) Antiviral
- C) Antiprotozoal
- D) Anticancer
- Answer: D
- A vermicide is a type of anthelmintic that:
- A) Expels worms from the body
- B) Prevents worms from reproducing
- C) Kills the worms directly
- D) Acts as a laxative
- Answer: C
- Antileprotic drugs are used for treating:
- A) Tuberculosis
- B) Cancer
- C) Fungal infections
- D) Leprosy
- Answer: D
- Selective toxicity means a chemotherapeutic agent is:
- A) Equally toxic to both host and pathogen
- B) More toxic to the pathogen than the host
- C) Used only for bacterial infections
- D) Effective against a broad range of organisms
- Answer: B
- A bactericidal agent:
- A) Inhibits bacterial growth
- B) Kills bacteria
- C) Enhances bacterial growth
- D) Has no effect on bacteria
- Answer: B
- Chemotherapy’s success depends on:
- A) Targeting all host cells
- B) Selectively inhibiting the pathogen
- C) Stimulating immune responses
- D) Using high toxicity levels
- Answer: B
- Which drug class is effective against worms?
- A) Antibacterial
- B) Antiviral
- C) Anthelmintic
- D) Anticancer
- Answer: C
- Antiviral drugs are generally:
- A) Effective against fungi
- B) Given after symptoms appear
- C) Most effective when used prophylactically
- D) Used for all types of infections
- Answer: C
- A bacteriostatic drug:
- A) Kills bacteria
- B) Inhibits bacterial growth
- C) Stimulates bacterial metabolism
- D) Destroys bacterial cell walls
- Answer: B
- The main limitation of antiviral drugs is their:
- A) High toxicity to host cells
- B) Ineffectiveness once symptoms develop
- C) Broad spectrum of action
- D) Cost-effectiveness
- Answer: B
- An antitubercular drug primarily targets:
- A) Mycobacterium tuberculosis
- B) Fungal spores
- C) Protozoal cysts
- D) Viral DNA
- Answer: A
- Which of the following drugs is used to treat fungal infections?
- A) Antiviral agents
- B) Antibacterial agents
- C) Antifungal agents
- D) Antiprotozoal agents
- Answer: C
- Vermifuge refers to an anthelmintic that:
- A) Kills worms
- B) Stimulates worm growth
- C) Expels worms from the body
- D) Enhances toxin production
- Answer: C
- Why are antiprotozoal agents often toxic to the host?
- A) Protozoa share many cellular features with human cells
- B) They are selective only for pathogens
- C) Protozoa are easy to distinguish from human cells
- D) The drugs do not enter human cells
- Answer: A
- Leprosy treatment involves:
- A) Antiviral drugs
- B) Antileprotic drugs
- C) Anticancer drugs
- D) Anthelmintics
- Answer: B
- Chemotherapy for cancer aims to:
- A) Cure all types of tumors
- B) Target and kill rapidly dividing cells
- C) Increase bacterial growth
- D) Enhance immune suppression
- Answer: B
- A chemotherapeutic agent with broad-spectrum activity is effective against:
- A) Only viruses
- B) Multiple types of pathogens
- C) Fungi exclusively
- D) Cancer cells only
- Answer: B
- Anticancer drugs differ from antimicrobials because they:
- A) Have lower toxicity
- B) Target host cells
- C) Are less effective
- D) Do not cause side effects
- Answer: B
- An important aspect of chemotherapy is:
- A) Avoiding toxicity to the pathogen
- B) Ensuring the drug affects only the pathogen, not the host
- C) Inhibiting immune system function
- D) Causing host cell death
- Answer: B
