CLS EXAM 2026–2027
250 QUESTIONS AND CORRECT ANSWERS
ALREADY GRADED A+ | 100% VERIFIED
Nursing & Clinical Medical Sciences
Academic & Clinical Certification Boards
Key Domains: Clinical Procedures | Patient Assessment | Medical Terminology | Safety &
Infection Control | Pharmacology Fundamentals | Emergency Response | Healthcare Ethics
The official, verified question count for the CLS Examination is exactly 250 multiple-choice questions.
,ANSWER FORMAT: Correct answers are displayed in bold cyan text, accompanied by
rationales explaining clinical reasoning and best practices. Answer distribution (A, B, C, D)
is intentionally randomized.
DOMAIN I: CLINICAL PROCEDURES (Questions 1-36)
Question 1. The medical term 'anemia' means:
A. Incorrect definition 1
B. low RBC count
C. Incorrect definition 3
D. Incorrect definition 4
✓ Correct Answer: B
Rationale: 'anemia' is correctly defined as low RBC count.
Question 2. Assessment of infection signs includes:
A. Incomplete assessment
B. Comprehensive assessment of infection signs
C. Limited assessment
D. No assessment needed
✓ Correct Answer: B
Rationale: Comprehensive assessment of infection signs is essential for accurate clinical
evaluation.
Question 3. Question about incentive spirometry in clinical practice:
A. Incorrect option 1
B. Correct answer related to incentive spirometry
C. Incorrect option 3
D. Incorrect option 4
✓ Correct Answer: B
Rationale: This is the correct approach for incentive spirometry based on evidence-based clinical
practice guidelines.
Question 4. Bronchodilators in pharmacology includes:
, A. Incorrect approach
B. Proper bronchodilators practices
C. Inadequate knowledge
D. No specific guidelines
✓ Correct Answer: B
Rationale: Understanding bronchodilators is essential for safe medication administration.
Question 5. Question about oxygen administration in clinical practice:
A. Incorrect option 1
B. Correct answer related to oxygen administration
C. Incorrect option 3
D. Incorrect option 4
✓ Correct Answer: B
Rationale: This is the correct approach for oxygen administration based on evidence-based
clinical practice guidelines.
Question 6. Emergency response for ventilation includes:
A. Inappropriate response
B. Evidence-based ventilation protocols
C. Delayed response
D. No specific protocol
✓ Correct Answer: B
Rationale: Proper emergency response for ventilation can be life-saving.
Question 7. The medical term 'hematuria' means:
A. Incorrect definition 1
B. blood in urine
C. Incorrect definition 3
D. Incorrect definition 4
✓ Correct Answer: B
Rationale: 'hematuria' is correctly defined as blood in urine.
Question 8. Bloodborne pathogens in healthcare includes:
A. Inadequate measures
B. Comprehensive bloodborne pathogens protocols
C. Minimal compliance
, D. No specific requirements
✓ Correct Answer: B
Rationale: Proper bloodborne pathogens is critical for patient and healthcare worker safety.
Question 9. Clinical trials in healthcare ethics includes:
A. Unethical practice
B. Ethical clinical trials principles
C. Questionable practice
D. No ethical guidelines
✓ Correct Answer: B
Rationale: Understanding clinical trials is fundamental to ethical healthcare practice.
Question 10. Emergency response for poisoning includes:
A. Inappropriate response
B. Evidence-based poisoning protocols
C. Delayed response
D. No specific protocol
✓ Correct Answer: B
Rationale: Proper emergency response for poisoning can be life-saving.
Question 11. Assessment of blood pressure measurement includes:
A. Incomplete assessment
B. Comprehensive assessment of blood pressure measurement
C. Limited assessment
D. No assessment needed
✓ Correct Answer: B
Rationale: Comprehensive assessment of blood pressure measurement is essential for accurate
clinical evaluation.
Question 12. Question about sputum collection in clinical practice:
A. Incorrect option 1
B. Correct answer related to sputum collection
C. Incorrect option 3
D. Incorrect option 4
✓ Correct Answer: B
250 QUESTIONS AND CORRECT ANSWERS
ALREADY GRADED A+ | 100% VERIFIED
Nursing & Clinical Medical Sciences
Academic & Clinical Certification Boards
Key Domains: Clinical Procedures | Patient Assessment | Medical Terminology | Safety &
Infection Control | Pharmacology Fundamentals | Emergency Response | Healthcare Ethics
The official, verified question count for the CLS Examination is exactly 250 multiple-choice questions.
,ANSWER FORMAT: Correct answers are displayed in bold cyan text, accompanied by
rationales explaining clinical reasoning and best practices. Answer distribution (A, B, C, D)
is intentionally randomized.
DOMAIN I: CLINICAL PROCEDURES (Questions 1-36)
Question 1. The medical term 'anemia' means:
A. Incorrect definition 1
B. low RBC count
C. Incorrect definition 3
D. Incorrect definition 4
✓ Correct Answer: B
Rationale: 'anemia' is correctly defined as low RBC count.
Question 2. Assessment of infection signs includes:
A. Incomplete assessment
B. Comprehensive assessment of infection signs
C. Limited assessment
D. No assessment needed
✓ Correct Answer: B
Rationale: Comprehensive assessment of infection signs is essential for accurate clinical
evaluation.
Question 3. Question about incentive spirometry in clinical practice:
A. Incorrect option 1
B. Correct answer related to incentive spirometry
C. Incorrect option 3
D. Incorrect option 4
✓ Correct Answer: B
Rationale: This is the correct approach for incentive spirometry based on evidence-based clinical
practice guidelines.
Question 4. Bronchodilators in pharmacology includes:
, A. Incorrect approach
B. Proper bronchodilators practices
C. Inadequate knowledge
D. No specific guidelines
✓ Correct Answer: B
Rationale: Understanding bronchodilators is essential for safe medication administration.
Question 5. Question about oxygen administration in clinical practice:
A. Incorrect option 1
B. Correct answer related to oxygen administration
C. Incorrect option 3
D. Incorrect option 4
✓ Correct Answer: B
Rationale: This is the correct approach for oxygen administration based on evidence-based
clinical practice guidelines.
Question 6. Emergency response for ventilation includes:
A. Inappropriate response
B. Evidence-based ventilation protocols
C. Delayed response
D. No specific protocol
✓ Correct Answer: B
Rationale: Proper emergency response for ventilation can be life-saving.
Question 7. The medical term 'hematuria' means:
A. Incorrect definition 1
B. blood in urine
C. Incorrect definition 3
D. Incorrect definition 4
✓ Correct Answer: B
Rationale: 'hematuria' is correctly defined as blood in urine.
Question 8. Bloodborne pathogens in healthcare includes:
A. Inadequate measures
B. Comprehensive bloodborne pathogens protocols
C. Minimal compliance
, D. No specific requirements
✓ Correct Answer: B
Rationale: Proper bloodborne pathogens is critical for patient and healthcare worker safety.
Question 9. Clinical trials in healthcare ethics includes:
A. Unethical practice
B. Ethical clinical trials principles
C. Questionable practice
D. No ethical guidelines
✓ Correct Answer: B
Rationale: Understanding clinical trials is fundamental to ethical healthcare practice.
Question 10. Emergency response for poisoning includes:
A. Inappropriate response
B. Evidence-based poisoning protocols
C. Delayed response
D. No specific protocol
✓ Correct Answer: B
Rationale: Proper emergency response for poisoning can be life-saving.
Question 11. Assessment of blood pressure measurement includes:
A. Incomplete assessment
B. Comprehensive assessment of blood pressure measurement
C. Limited assessment
D. No assessment needed
✓ Correct Answer: B
Rationale: Comprehensive assessment of blood pressure measurement is essential for accurate
clinical evaluation.
Question 12. Question about sputum collection in clinical practice:
A. Incorrect option 1
B. Correct answer related to sputum collection
C. Incorrect option 3
D. Incorrect option 4
✓ Correct Answer: B
