Human Body Systems practice test: free ATI TEAS 7 questions

Sample Practice Questions for Human Body Systems

1. Question 1Ref: ATI TEAS 7 — Science: Human Body Systems — S.1.1 Describe the structures and functions of body systems

   Which organ system is primarily responsible for filtering blood and removing metabolic waste products from the body?

   AUrinary systemBDigestive systemCLymphatic systemDRespiratory system
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   Correct Answer
   A. Urinary system

   The urinary system, primarily through the kidneys, filters blood to remove waste products and excess fluid, producing urine. The respiratory system exchanges gases, the digestive system processes food, and the lymphatic system is part of the immune defense. Understanding organ system functions is fundamental to the science section of the TEAS.

2. Question 2Ref: ATI TEAS 7 — Science: Human Body Systems — S.1.12 Describe the structures and functions of the cardiovascular system

   Hemoglobin is a protein found in red blood cells. What is its primary function?

   AClotting blood at wound sitesBRegulating blood sugar levelsCTransporting oxygen throughout the bodyDFighting bacterial infections
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   Correct Answer
   C. Transporting oxygen throughout the body

   Hemoglobin binds to oxygen in the lungs and carries it to tissues throughout the body. It also helps transport carbon dioxide back to the lungs for exhalation. White blood cells fight infections (A), insulin regulates blood sugar (C), and platelets help with clotting (D).