Retarders: {Ans: Can cause the drive wheels to skid when they have poor traction.}It takes the body about ___ hours to get rid of the alcohol in four drinks. {Ans: 4}Cargo inspections: {Ans: Should be performed as part of your pre-trip inspection, again within the first 50 miles of your trip, then again after you have driven 3 hours or 150 miles, and after every break you take during driving.}As the Blood Alcohol Concentration (BAC} goes up, what happens? {Ans: Judgment and self-control are affected.}You do not have a Hazardous Materials Endorsement on your Commercial Driver's License. You can drive a vehicle hauling hazardous materials when: {Ans: The vehicle does not require placards.}Cargo that can shift should have at least __ tie-downs(s). {Ans: 2}If your vehicle catches fire while you are driving, you should: {Ans: Park in an open area.}Which of these statements about drinking alcohol is true? {Ans: A few beers have the same effect on driving as a few shots of whiskey or a few glasses of wine.}An en route inspection should include checking for: {Ans: Tire overheating and brake overheating. Cargo secured properly.}The road you are driving on