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• CORE DOMAINS *
•
• Reading Comprehension
• Mathematics
• Science (Biology, Anatomy & Physiology, Chemistry)
• English and Language Usage
• Human Body Systems
• Scientific Reasoning
• Data Interpretation
• Grammar and Vocabulary
• Healthcare Ethics and Professional Standards
• Critical Thinking and Problem Solving
• INTRODUCTION *
•
The ATI TEAS examination evaluates the academic readiness of candidates pursuing healthcare and
nursing-related education programs. The assessment measures essential skills in reading,
mathematics, science, and English language usage. Questions are presented in multiple-choice and
scenario-based formats designed to assess comprehension, analytical thinking, problem-solving
ability, and foundational scientific knowledge. Candidates are expected to apply concepts to practical
situations, interpret information accurately, and make informed decisions. Success on this
examination requires a strong understanding of core academic principles combined with the ability to
analyze real-world healthcare-related scenarios and select the most appropriate response.
SECTION ONE (QUESTIONS 1–40)
1. Which structure is responsible for pumping oxygenated blood to the body?
A. Right atrium
B. Left ventricle
C. Right ventricle
D. Left atrium
Correct Answer: B. Left ventricle
Explanation: The left ventricle pumps oxygen-rich blood through the aorta to the body's tissues.
2. A patient has a body temperature of 39°C. What is this temperature in Fahrenheit?
A. 98.6°F
B. 100.4°F
,C. 102.2°F
D. 104.0°F
Correct Answer: C. 102.2°F
Explanation: Using the formula (°C × 9/5) + 32, 39°C equals 102.2°F.
3. Which organelle is known as the powerhouse of the cell?
A. Ribosome
B. Nucleus
C. Golgi apparatus
D. Mitochondrion
Correct Answer: D. Mitochondrion
Explanation: Mitochondria produce ATP, the primary energy source for cellular activities.
4. What is the main purpose of the introduction paragraph in an essay?
A. Present the main idea
B. Provide supporting evidence
C. Summarize conclusions
D. List references
Correct Answer: A. Present the main idea
Explanation: The introduction introduces the topic and thesis statement.
5. Which blood vessels carry blood away from the heart?
A. Veins
B. Capillaries
C. Arteries
D. Venules
Correct Answer: C. Arteries
Explanation: Arteries transport blood away from the heart regardless of oxygen content.
6. What is 25% of 160?
A. 20
B. 40
C. 50
D. 60
Correct Answer: B. 40
, Explanation: 25% equals 0.25; 0.25 × 160 = 40.
7. Which body system regulates hormones?
A. Digestive system
B. Endocrine system
C. Respiratory system
D. Skeletal system
Correct Answer: B. Endocrine system
Explanation: The endocrine system secretes hormones that regulate body functions.
8. Which sentence is grammatically correct?
A. Everyone have completed the assignment.
B. Everyone has completed the assignment.
C. Everyone completing the assignment.
D. Everyone were completing the assignment.
Correct Answer: B. Everyone has completed the assignment.
Explanation: "Everyone" is singular and requires the singular verb "has."
9. A nurse reads a chart indicating a patient is dehydrated. Which symptom would most likely
support this finding?
A. Excessive urination with clear urine
B. Low blood pressure
C. Decreased heart rate
D. Excessive salivation
Correct Answer: B. Low blood pressure
Explanation: Dehydration often reduces blood volume, causing low blood pressure.
10. Which part of the respiratory system is the primary site of gas exchange?
A. Trachea
B. Bronchi
C. Alveoli
D. Larynx
Correct Answer: C. Alveoli
Explanation: Oxygen and carbon dioxide exchange occurs within the alveoli.