What is the difference between bactericidal drugs and bacteriostatic drugs?
Bactericidal and bacteriostatic are used interchangeably.
Bactericidal drugs are directly lethal to bacteria, and bacteriostatic drugs work to slow bacterial growth but do not cause cell death.
Bacteriostatic drugs are directly lethal to bacteria, and bactericidal drugs work to slow bacterial growth but do not cause cell death.
A bactericidal drug can cause death to the host, whereas a bacteriostatic drug only affects bacteria.
The Correct Answer is B
A. "Bactericidal and bacteriostatic are used interchangeably."
Explanation: This statement is incorrect. Bactericidal and bacteriostatic are two distinct categories of antibiotics with different mechanisms of action.
B. "Bactericidal drugs are directly lethal to bacteria, and bacteriostatic drugs work to slow bacterial growth but do not cause cell death."
Explanation: This statement is correct. Bactericidal drugs kill bacteria directly, leading to their death, while bacteriostatic drugs inhibit bacterial growth without causing immediate cell death.
C. "Bacteriostatic drugs are directly lethal to bacteria, and bactericidal drugs work to slow bacterial growth but do not cause cell death."
Explanation: This statement is incorrect. It is the opposite of the correct explanation. Bacteriostatic drugs do not directly kill bacteria, and bactericidal drugs do cause bacterial death.
D. "A bactericidal drug can cause death to the host, whereas a bacteriostatic drug only affects bacteria."
Explanation: This statement is not entirely accurate. While some bactericidal drugs can be more toxic to the host, it depends on the specific drug and its dosage. Bacteriostatic drugs, on the other hand, generally do not directly harm the host. The primary distinction between the two categories is their impact on bacterial growth and survival.
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Related Questions
Correct Answer is B
Explanation
A. Bactericidal and bacteriostatic are used interchangeably.
This statement is incorrect. Bactericidal and bacteriostatic have distinct meanings in pharmacology and microbiology. Bactericidal means the drug kills bacteria, whereas bacteriostatic means the drug inhibits the growth of bacteria without killing them.
B. Bactericidal drugs are directly lethal to bacteria, and bacteriostatic drugs work to slow bacterial growth but do not cause cell death.
This statement is correct. Bactericidal drugs directly kill bacteria, leading to their death. Bacteriostatic drugs inhibit the growth of bacteria without causing their immediate death. Both types of drugs play different roles in the treatment of bacterial infections.
C. Bacteriostatic drugs are directly lethal to bacteria, and bactericidal drugs work to slow bacterial growth but do not cause cell death.
This statement is incorrect. It confuses the roles of bactericidal and bacteriostatic drugs. Bactericidal drugs directly kill bacteria, while bacteriostatic drugs inhibit bacterial growth without immediate cell death.
D. A bactericidal drug can cause death to the host, whereas a bacteriostatic drug only affects bacteria.
This statement is incorrect. Both bactericidal and bacteriostatic drugs primarily affect bacteria, not the host. The difference lies in how they affect bacteria: bactericidal drugs kill bacteria directly, and bacteriostatic drugs inhibit their growth.
Correct Answer is B
Explanation
A. "Bactericidal and bacteriostatic are used interchangeably."
Explanation: This statement is incorrect. Bactericidal and bacteriostatic are two distinct categories of antibiotics with different mechanisms of action.
B. "Bactericidal drugs are directly lethal to bacteria, and bacteriostatic drugs work to slow bacterial growth but do not cause cell death."
Explanation: This statement is correct. Bactericidal drugs kill bacteria directly, leading to their death, while bacteriostatic drugs inhibit bacterial growth without causing immediate cell death.
C. "Bacteriostatic drugs are directly lethal to bacteria, and bactericidal drugs work to slow bacterial growth but do not cause cell death."
Explanation: This statement is incorrect. It is the opposite of the correct explanation. Bacteriostatic drugs do not directly kill bacteria, and bactericidal drugs do cause bacterial death.
D. "A bactericidal drug can cause death to the host, whereas a bacteriostatic drug only affects bacteria."
Explanation: This statement is not entirely accurate. While some bactericidal drugs can be more toxic to the host, it depends on the specific drug and its dosage. Bacteriostatic drugs, on the other hand, generally do not directly harm the host. The primary distinction between the two categories is their impact on bacterial growth and survival.
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