Drugs

9.What effect do hallucinogens have on a person?

10.What effect do stimulants have on the body?

11.Which of the following is NOT a potential long-term effect of regular heavy drinking?

12.A student measures the reaction time of a person before and after drinking a caffeinated energy drink. The results show that the reaction time decreased from 0.35 s to 0.28 s. What type of drug is caffeine?

13.A researcher records the heart rates of 20 participants before and after taking a drug. The average heart rate increased from 72 bpm to 98 bpm. Which drug type was most likely taken?

14.The table shows the effects of four drugs on coordination. Which drug is most likely a depressant? Drug A: improves coordination Drug B: no effect on coordination Drug C: impairs coordination Drug D: slightly impairs coordination

15.Which of the following is an example of a depressant?

16.A graph shows the number of accidents per hour for drivers with different blood alcohol concentrations (BAC). As BAC increases, the number of accidents increases. What does this suggest about alcohol?

17.A study compares the liver health of 100 heavy drinkers and 100 non-drinkers over 10 years. At the end, 30 heavy drinkers developed liver disease, while only 2 non-drinkers did. What conclusion can be drawn?

18.A person takes a drug and reports seeing colours that are not there. Which type of drug did they most likely take?

19.Which of the following is a withdrawal symptom of addiction?

20.A pharmaceutical company tests a new painkiller on 200 patients. 150 report reduced pain, 30 report no change, and 20 report increased pain. What percentage of patients experienced reduced pain?

21.A bar chart shows the number of drug-related hospital admissions for three drugs: X, Y, and Z. Drug X has the highest number, Drug Y moderate, Drug Z the lowest. Which drug is most harmful based on this data?

22.A student investigates the effect of nicotine on heart rate. They measure heart rate before and after smoking a cigarette. The results show an increase from 70 bpm to 90 bpm. Nicotine is a:

23.A student investigates the effect of caffeine on reaction time. They measure reaction time before and after drinking a caffeinated drink. The results show that the average reaction time decreased from 0.35 s to 0.28 s. Which of the following is the most valid conclusion?

24.In an experiment, 50 participants are given either a new drug or a placebo. Their heart rates are measured after 30 minutes. The mean heart rate in the drug group is 85 bpm, and in the placebo group it is 72 bpm. The difference is statistically significant. Which of the following is the most appropriate conclusion?

25.A student wants to test the effect of alcohol on coordination. They ask participants to walk along a straight line. Which of the following is the most appropriate control variable?

26.Which of the following is an example of a hallucinogen?

27.A person who is addicted to a drug stops taking it and experiences shaking and nausea. These symptoms are most likely:

28.A scientist measures the reaction times of 10 participants before and after they drink alcohol. The results are shown in the table below. Which of the following is the most appropriate conclusion? Participant | Before (s) | After (s) 1 | 0.30 | 0.45 2 | 0.28 | 0.40 3 | 0.32 | 0.48 4 | 0.31 | 0.44 5 | 0.29 | 0.42 6 | 0.33 | 0.47 7 | 0.30 | 0.43 8 | 0.27 | 0.41 9 | 0.34 | 0.49 10 | 0.31 | 0.46

29.Which of the following drugs is classified as a stimulant?

30.A student investigates the effect of temperature on the rate of alcohol evaporation. Which piece of equipment is most essential for measuring the independent variable?

31.A researcher wants to test whether a new drug is a stimulant or a depressant. They measure the heart rates of 30 participants before and after taking the drug. The average heart rate increases from 70 bpm to 95 bpm. Which of the following additional pieces of evidence would best support the conclusion that the drug is a stimulant?

32.Which of the following is a long-term effect of heavy alcohol consumption?

33.A scientist observes that a drug causes a person to see things that are not there. Which type of drug has the person most likely taken?

34.In a study, 100 participants are given a drug and 100 are given a placebo. After one month, 15 people in the drug group and 5 in the placebo group show signs of addiction. Which of the following is the most valid conclusion?

35.Which of the following is a painkiller?

36.A student measures the reaction time of a person before and after drinking a caffeinated energy drink. The reaction time decreases from 0.30 s to 0.22 s. Which type of drug is caffeine?

37.A researcher records the heart rates of 20 participants before and after taking a drug. The average heart rate increases from 72 bpm to 98 bpm. Which drug type is most likely?

38.The table shows the effects of four drugs on coordination. Which drug is most likely a depressant? Drug A: improves coordination Drug B: no effect on coordination Drug C: slightly impairs coordination Drug D: severely impairs coordination

39.A graph shows the number of accidents per hour for drivers with different blood alcohol concentrations (BAC). As BAC increases from 0.02% to 0.10%, the number of accidents per hour increases from 5 to 25. What is the increase in accidents per hour per 0.01% increase in BAC?

40.A study compares the liver health of 100 heavy drinkers and 100 non-drinkers over 10 years. At the end, 30 heavy drinkers developed liver disease, while only 2 non-drinkers did. What is the increased risk of liver disease for heavy drinkers compared to non-drinkers?