NHTSA SFST COMPREHENSIVE EXAM
SCRIPT 2026 COMPLETE QUESTIONS AND
SOLUTIONS GRADED A+
⩥ WINE. Answer: _______ 4 oz , 12% , -0.48 pure
⩥ WHISKEY. Answer: _______ is 1 ¼ oz , 40% alc 0.50 eth
⩥ PHASE 1. Answer: _______ is VEHICLE IN MOTION. SHOULD I
STOP VEHICLE?
⩥ PHASE 2. Answer: _______ is PERSONAL CONTACT. COULD I
TAKE OUT OF CAR?
⩥ PHASE 3. Answer: _______ is PRE-ARREST SCREENING.
SHOULD I ARREST?
⩥ Equal pupil size
Equal tracking. Answer: ADMINISTRATIVE for HGN?
⩥ INSTRUCTION
WALK & TURN. Answer: 2 STAGES TO WALK AND TURN
,⩥ INSTRUCTION
BALANCE / COUNTING. Answer: 2 STAGES TO ONE LEG STAND
⩥ Loss Of Balance
Starts To Soon
Stops while walking
Steps Offline
Wrong # Of Steps
Fails Heel To Toe
Uses Arms For Balance
Improper Turn. Answer: WALK AND TURN 8 Clues
(B.S.S.O.W.H.A.T.)
⩥ Puts Foot Down
Uses Arms For Balance
Sways
Hopping. Answer: ONE LEG STAND 4 Clues (P.U.S.H.)
⩥ EQUAL PUPIL SIZE
EQUAL TRACKING
1.) LACK OF SMOOTH PURSUIT
, 2.) DISTINCT & SUSTAINED NYSTAGMUS AT MAXIMUM
DEVIATION
3.) ONSET OF NYSTAGMUS PRIOR TO 45 DEGREES
NON-SCIENTIFICALLY VALIDATED: (VGN) VERTICAL GAZE
NYSTAGMUS. Answer: HORIZONTAL GAZE NYSTAGMUS TEST
⩥ 88%. Answer: 4 out of 6 clues HGN
⩥ 79%. Answer: 2 out of 8 clues Walk & Turn
⩥ 83%. Answer: 2 out of 4 clues One Leg Stand
⩥ 9 Heel to toe steps on straight line (1/2in) turning around 9 heel to toe
steps back
Must keep eyes on feet, Count out loud, arms at the side (6 inches max)
once started cannot stop.. Answer: WALK AND TURN (Procedures)
⩥ Foot Approx. 6 inches off ground, both legs straight, foot parallel to
ground and pointed out. Eyes on the foot, arms at the side, counting
1,001, 1,002, 1,003 till told to stop. Check watch. Answer: ONE LEG
STAND (Procedures)
SCRIPT 2026 COMPLETE QUESTIONS AND
SOLUTIONS GRADED A+
⩥ WINE. Answer: _______ 4 oz , 12% , -0.48 pure
⩥ WHISKEY. Answer: _______ is 1 ¼ oz , 40% alc 0.50 eth
⩥ PHASE 1. Answer: _______ is VEHICLE IN MOTION. SHOULD I
STOP VEHICLE?
⩥ PHASE 2. Answer: _______ is PERSONAL CONTACT. COULD I
TAKE OUT OF CAR?
⩥ PHASE 3. Answer: _______ is PRE-ARREST SCREENING.
SHOULD I ARREST?
⩥ Equal pupil size
Equal tracking. Answer: ADMINISTRATIVE for HGN?
⩥ INSTRUCTION
WALK & TURN. Answer: 2 STAGES TO WALK AND TURN
,⩥ INSTRUCTION
BALANCE / COUNTING. Answer: 2 STAGES TO ONE LEG STAND
⩥ Loss Of Balance
Starts To Soon
Stops while walking
Steps Offline
Wrong # Of Steps
Fails Heel To Toe
Uses Arms For Balance
Improper Turn. Answer: WALK AND TURN 8 Clues
(B.S.S.O.W.H.A.T.)
⩥ Puts Foot Down
Uses Arms For Balance
Sways
Hopping. Answer: ONE LEG STAND 4 Clues (P.U.S.H.)
⩥ EQUAL PUPIL SIZE
EQUAL TRACKING
1.) LACK OF SMOOTH PURSUIT
, 2.) DISTINCT & SUSTAINED NYSTAGMUS AT MAXIMUM
DEVIATION
3.) ONSET OF NYSTAGMUS PRIOR TO 45 DEGREES
NON-SCIENTIFICALLY VALIDATED: (VGN) VERTICAL GAZE
NYSTAGMUS. Answer: HORIZONTAL GAZE NYSTAGMUS TEST
⩥ 88%. Answer: 4 out of 6 clues HGN
⩥ 79%. Answer: 2 out of 8 clues Walk & Turn
⩥ 83%. Answer: 2 out of 4 clues One Leg Stand
⩥ 9 Heel to toe steps on straight line (1/2in) turning around 9 heel to toe
steps back
Must keep eyes on feet, Count out loud, arms at the side (6 inches max)
once started cannot stop.. Answer: WALK AND TURN (Procedures)
⩥ Foot Approx. 6 inches off ground, both legs straight, foot parallel to
ground and pointed out. Eyes on the foot, arms at the side, counting
1,001, 1,002, 1,003 till told to stop. Check watch. Answer: ONE LEG
STAND (Procedures)
