E. LearndmvDMV PRACTICE
Find your state Exam types Practice tests Sign in Create account ↗
Practice quizzes / SC DMV Permit Test Practice Questions - South Carolina Driver's License Knowledge Test Exam / Question 174018
Practice question

What is the most dangerous effect of using a cell phone while driving?

  1. It drains the phone's battery
  2. It distracts the driver and slows reaction time
  3. It improves navigation
  4. It has no real effect on safe driving

Answer: B — It distracts the driver and slows reaction time

The correct answer is shown above. Try the full quiz for additional practice.

Practice more: SC DMV Permit Test Practice Questions - South Carolina Driver's License Knowledge Test Exam →
Learndmv.

Thoughtful practice for the road ahead. Find permit, road signs and CDL preparation by state.

Explore

Practice by stateAll practice testsExam types

Your account

My profilePractice historyAccount security

Get started

Create accountSign inSitemap
© 2026 LearndmvIndependent practice resource · Not affiliated with any state DMV.