KEY TERMS (TEAS SCIENCE SECTION) EXAM | QUESTIONS & ANSWERS (VERIFIED) | LATEST UPDATE | GRADED A+

KEY TERMS (TEAS SCIENCE SECTION) EXAM | QUESTIONS & ANSWERS (VERIFIED) | LATEST UPDATE | GRADED A+ Acid Correct Answer: A substance with a pH less than 7. Adaptive Immune System Correct Answer: A kind of passive or active immunity in which antibodies to a particular antigen are present in the body. Adrenal Correct Answer: A gland above the kidney that produces hormones to regulate heart rate, blood pressure, and other functions. Alveoli Correct Answer: Microscopic air sacs in the lungs where exchange of oxygen and carbon dioxide takes place. Anatomical Position Correct Answer: Standard positioning of the body: standing; feet together; arms to the side; with head, eyes, and palms of hands forward. 2 Anion Correct Answer: A negatively charged ion. Antibody Correct Answer: A specific blood protein produced in response to a specific antigen. Antigen-presenting Cell (APC) Correct Answer: A cell that displays foreign antigens with major histocompatibility complexes on their surfaces. Antigens Correct Answer: A molecule that elicits a response from immune cells. Antimicrobial Correct Answer: A substance that kills or inhibits growth of micro-organisms with minimal damage to the host. Anus Correct Answer: The opening of the rectum from which solid waste is expelled. Arteries 3 Correct Answer: Blood vessels that deliver blood from the heart to other parts of the body. Asthma Correct Answer: A lung disease characterized by inflamed, narrowed airways and difficulty breathing. Atom Correct Answer: The most basic complete unit of an element. Automatic Nervous System Correct Answer: The part of the peripheral nervous system that regulates unconscious body functions such as breathing and heart rate. Axon Correct Answer: A nerve fiber that carries a nerve impulse away from the neuron cell body. B Cell Correct Answer: Lymphocytes that mature in bone marrow and make antibodies in response to antigens. Barrier 4 Correct Answer: A divider between parts of the body. Base Correct Answer: A substance with a pH greater than 7. Bias Correct Answer: Prejudice in favor of or against an idea. Boiling Point Correct Answer: The temperature at which a liquid boils and turns into vapor. Boiling Correct Answer: The transition of liquid to gas when a substance has acquired enough thermal energy. Bolus Correct Answer: A mass of food that has been chewed and swallowed. Bone Correct Answer: Hard, calcified material that makes up the skeleton.