Class 12 Chemistry · Chapter 16 · Test 1
Medicine
50 MCQs
50 questions · 40 min · 50 marks
Want to try first? Take the free Chemistry test: Group 2 Trends
Sample questions
The first 5 of 50. Try each one, then tap to see the answer.
Question 1
Pharmacology is the science which deals with:
- AWhat a drug does and the safety margins within which it operates
- BOnly the structure of drugs
- COnly the manufacture of tablets
- DOnly the colour of drugs
Show answerHide answer
Answer: A
It studies drug action and the safe range of doses.
Question 2
Every drug may be a potential poison and the difference lies in the:
- AColour
- BDose
- CPrice
- DBrand
Show answerHide answer
Answer: B
The dose decides whether a drug is beneficial or harmful.
Question 3
The therapeutic window is the range of:
- ADrug doses that are toxic only
- BDrug doses that are ineffective
- CDrug concentrations in the plasma that are effective without harmful side effects
- DTimes at which a drug is taken
Show answerHide answer
Answer: C
It is the sweet spot of medicine: not too low to be ineffective and not too high to be dangerous.
Question 4
Minimum effective concentration (MEC) is the:
- AHighest safe dose of a drug
- BDose at which the drug begins to poison
- CDose that works for 50% of people
- DLowest dose below which the drug fails to produce a clinical effect
Show answerHide answer
Answer: D
Below the MEC the drug has no clinical effect.
Question 5
Minimum toxic concentration (MTC) is the lowest dose at which a drug:
- ABegins to cause adverse effects or poisoning
- BBecomes effective
- CIs absorbed
- DIs excreted
Show answerHide answer
Answer: A
Above the MTC the drug becomes harmful.
More tests in MEDICINE, AGRICULTURE AND INDUSTRY
Practise with a free account
Save your scores, see which chapters need work, and keep a notebook of every question you got wrong.