ATI CMS FUNDAMENTALS (2025) COMPLETE EXAM SET
(QUESTIONS AND VERIFIED ANSWERS) FREQUENTLY MOST
TESTED QUESTIONS | ALREADY PASSED!!
Question 1
Which stage of sleep is very light, only a few minutes long, and allows for
easy awakening while feeling relaxed and drowsy?
A) Stage 2 Sleep
B) Stage 3 Sleep
C) Stage 4 Sleep
D) REM Sleep
E) Stage 1 Sleep
Correct Answer: E) Stage 1 Sleep
Rationale: The provided text states, "Stage 1 Sleep - Very light sleep
- Only a few minutes long - Awaken easily - Feels relaxed and
drowsy".
Question 2
Which stage of sleep is characterized by increased relaxation and lasts 10-20
minutes?
A) Stage 1 Sleep
B) Stage 3 Sleep
C) Stage 4 Sleep
D) REM Sleep
E) Stage 2 Sleep
Correct Answer: E) Stage 2 Sleep
, Rationale: The provided text states, "Stage 2 Sleep - Deeper sleep -
10-20 min long - Increased relaxation".
Question 3
Which stage of sleep marks the beginning of deep sleep, lasts 15-30
minutes, and is difficult to awaken from?
A) Stage 1 Sleep
B) Stage 2 Sleep
C) Stage 4 Sleep
D) REM Sleep
E) Stage 3 Sleep
Correct Answer: E) Stage 3 Sleep
Rationale: The provided text states, "Stage 3 Sleep - Beginning of
deep sleep - 15-30 min long - Difficult to awaken".
Question 4
Which stage of sleep is known as "Delta Sleep," is the deepest, lasts 15-30
minutes, and is associated with sleepwalking, sleep talking, and enuresis?
A) Stage 1 Sleep
B) Stage 2 Sleep
C) Stage 3 Sleep
D) REM Sleep
E) Stage 4 Sleep
Correct Answer: E) Stage 4 Sleep
Rationale: The provided text states, "Stage 4 Sleep - "Delta Sleep" -
(QUESTIONS AND VERIFIED ANSWERS) FREQUENTLY MOST
TESTED QUESTIONS | ALREADY PASSED!!
Question 1
Which stage of sleep is very light, only a few minutes long, and allows for
easy awakening while feeling relaxed and drowsy?
A) Stage 2 Sleep
B) Stage 3 Sleep
C) Stage 4 Sleep
D) REM Sleep
E) Stage 1 Sleep
Correct Answer: E) Stage 1 Sleep
Rationale: The provided text states, "Stage 1 Sleep - Very light sleep
- Only a few minutes long - Awaken easily - Feels relaxed and
drowsy".
Question 2
Which stage of sleep is characterized by increased relaxation and lasts 10-20
minutes?
A) Stage 1 Sleep
B) Stage 3 Sleep
C) Stage 4 Sleep
D) REM Sleep
E) Stage 2 Sleep
Correct Answer: E) Stage 2 Sleep
, Rationale: The provided text states, "Stage 2 Sleep - Deeper sleep -
10-20 min long - Increased relaxation".
Question 3
Which stage of sleep marks the beginning of deep sleep, lasts 15-30
minutes, and is difficult to awaken from?
A) Stage 1 Sleep
B) Stage 2 Sleep
C) Stage 4 Sleep
D) REM Sleep
E) Stage 3 Sleep
Correct Answer: E) Stage 3 Sleep
Rationale: The provided text states, "Stage 3 Sleep - Beginning of
deep sleep - 15-30 min long - Difficult to awaken".
Question 4
Which stage of sleep is known as "Delta Sleep," is the deepest, lasts 15-30
minutes, and is associated with sleepwalking, sleep talking, and enuresis?
A) Stage 1 Sleep
B) Stage 2 Sleep
C) Stage 3 Sleep
D) REM Sleep
E) Stage 4 Sleep
Correct Answer: E) Stage 4 Sleep
Rationale: The provided text states, "Stage 4 Sleep - "Delta Sleep" -