ATI TEAS SCIENCE The third section of the TEAS exam covers Science and features 47 scored items. There are three categories of Science objectives for the TEAS. The test items are divided among the Science objectives as f
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ATI TEAS SCIENCE The third section of the TEAS exam covers Science and features 47 scored items. There are three categories of Science objectives for the TEAS. The test items are divided among the Science objectives as follows: S.1 HUMAN ANATOMY AND PHYSIOLOGY — 32 QUESTIONS S.1.1 Describe the general anatomy and physiology of a human. S.1.2. Describe the anatomy and physiology of the respiratory system. S.1.3 Describe the anatomy and physiology of the cardiovascular system. S.1.4 Describe the anatomy and physiology of the gastrointestinal system. S.1.5 Describe the anatomy and physiology of the neuromuscular system. S.1.6 Describe the anatomy and physiology of the reproductive system. S.1.7 Describe the anatomy and physiology of the integumentary system. S.1.8 Describe the anatomy and physiology of the endocrine system. S.1.9 Describe the anatomy and physiology of the genitourinary system. S.1.10 Describe the anatomy and physiology of the immune system. S.1.11 Describe the anatomy and physiology of the skeletal system. S.2 LIFE AND PHYSICAL SCIENCES — 8 QUESTIONS S.2.1 Describe the basic macromolecules in a biological system. S.2.2 Compare and contrast chromosomes, genes, and DNA. S.2.3 Explain Mendel’s laws of heredity. S.2.4 Recognize basic atomic structure. S.2.5 Explain characteristic properties of substances. S.2.6 Compare and contrast changes in states of matter. S.2.7 Describe chemical reactions. S.3 SCIENTIFIC REASONING—7 QUESTIONS S.3.1 Identify basic scientific measurements using laboratory tools. S.3.2 Critique a scientific explanation using logic and evidence. S.3.3 Explain relationships among events, objects, and processes. S.3.4 Analyze the design of a scientific investigation. In addition, the TEAS Science section features six unscored items as a pretest. These items can address objectives from any of the above categories.
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