Chapter 7 / Saskatchewan Class 7
Drinking, drugs and driving practice questions
Understand how alcohol, medications and other drugs affect safe driving decisions.
10 questions · Choose an answer, then check your understanding.
Which driving ability does alcohol affect first?
Study the answers
Open a question to read its explanation and check the official source.
Which driving ability does alcohol affect first?
Judgment
Alcohol affects thinking and decisions before obvious loss of physical coordination.
Saskatchewan Driver’s Handbook: A guide to safe driving, 2026-27, p. 168 · Sequence of effects on the body
A person can walk steadily after drinking. Does that establish that they can drive safely?
No
Physical steadiness does not test the judgment and prediction skills alcohol can already have impaired.
Saskatchewan Driver’s Handbook: A guide to safe driving, 2026-27, p. 168 · Sequence of effects on the body
When should you arrange a sober way home from an event where you will drink?
Before the first drink
Make transport plans while judgment is unaffected; drinking can impair the very decision about whether to drive.
Saskatchewan Driver’s Handbook: A guide to safe driving, 2026-27, p. 168 · Sequence of effects on the body
Why is simply counting mixed drinks an unreliable way to compare alcohol intake?
Their alcohol amounts can differ
The amount of alcohol matters, and drinks can vary in strength and size.
Saskatchewan Driver’s Handbook: A guide to safe driving, 2026-27, p. 167 · The impairing effects of alcohol on the brain
What removes alcohol from the body?
Time
Only time eliminates alcohol; quick remedies do not restore sobriety.
Saskatchewan Driver’s Handbook: A guide to safe driving, 2026-27, p. 170 · BAC and time
Does a few hours of sleep guarantee sobriety after heavy drinking?
No
Alcohol can remain for many hours after heavy drinking; sleeping briefly does not ensure it has cleared.
Saskatchewan Driver’s Handbook: A guide to safe driving, 2026-27, p. 170 · BAC and time
Can cannabis affect the ability to react to traffic?
Yes, it can disrupt concentration
Cannabis can disrupt attention and perception and cause drowsiness, all relevant to safe control.
Saskatchewan Driver’s Handbook: A guide to safe driving, 2026-27, p. 171 · Cannabis
A medication label warns against using heavy machinery. How should a driver interpret that warning?
As a warning against driving
The handbook explicitly includes driving a vehicle in this type of warning.
Saskatchewan Driver’s Handbook: A guide to safe driving, 2026-27, p. 172 · Depressant drugs
Before driving while taking an unfamiliar medication, whom should you consult?
A doctor or pharmacist
Ask a qualified health professional about driving effects; reactions vary by drug, dose and person.
Saskatchewan Driver’s Handbook: A guide to safe driving, 2026-27, p. 173 · Prescription, over-the-counter, and recreational drugs
How can alcohol interact with another impairing drug?
It can multiply impairment
The combined effect can exceed a simple addition of the individual effects and can be unpredictable.
Saskatchewan Driver’s Handbook: A guide to safe driving, 2026-27, p. 174 · Drinking and drugs combined