Which one of the following statements about ld50 is

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Curren's Math for Meds: Dosages and Solutions
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Chapter 16 / Exercise 12
Curren's Math for Meds: Dosages and Solutions
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11. Which one of the following statements about LD50 is FALSE ? A. The LD50 refers to the dose of a drug that kills half of the animals exposed to that drug. B. The LD50 of a drug is influenced by animal species, strain and age. C. In comparing two drugs, the drug with the higher LD50 would be a more potent toxin. D. LD50 values obtained in animals are used as guides to predict toxicity in humans. E. Tetrodotoxin is a very potent toxin because it has a very low LD50.
12. Which one of the following statements about ipecac is TRUE ?
13. Atropine (a muscarinic acetylcholine receptor antagonist) is used as an antidote after a patient’s poisoning by organophosate insecticides (which act by inhibiting synaptic cleft acetylcholinesterase, thus increasing synaptic acetylcholine levels). This type of antidotal therapy by atropine is an example of:
14. Which one of the following statements about cancer is FALSE ?
15. Methotrexate is a folic acid analog that competes with dihydrofolate for binding to the enzyme dihydrofolate reductase. In terms of the different types of anti-cancer agents, methotrexate is an example of A. An antibiotic. B. A hormone. C. An alkylating agent. D. An anti-metabolite. E. A natural plant derivative.
16. Which one of the following statements is TRUE ?
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Curren's Math for Meds: Dosages and Solutions
The document you are viewing contains questions related to this textbook.
Chapter 16 / Exercise 12
Curren's Math for Meds: Dosages and Solutions
Curren/Witt
Expert Verified

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