Ati Teas 7 Science Study Guide Questions And Correct Answers

How does AIDS cause a failure in the immune system? Helper T-cells can't activate cytotoxic t-cells or b-cells IgE makes mast cells release to much histamine IgE makes mast cells release to little histamine Helper T-cells trick the body into attacking itself. {Ans: Helper T-cells can't activate cytotoxic t-cells or b-cells}What type of tissue protects the respiratory system? Bone Cartilage Collagen Keratin {Ans: Cartilage}Which of the following is the strongest scientific argument ? Scientific hypothesis Scientific law Scientific study conclusion scientific theory {Ans: Scientific law}Which cavity contains all of the frontal cavities? Choose only ONE best answer Dorsal Thoracic Abdominopelvic Ventral {Ans: Ventral}Which of the following is in the pelvic cavity? The kidneys The colon The bladder The rectum {Ans: The colon The bladder The rectum}Which organ makes insulin and glucagon ? Salivary glands Liver Gallbladder Pancreas {Ans: Pancreas}What step of the scientific method must come before generating a hypothesis? Collecting and organizing data Communicating the results in a scientific journal Conducting an experiment Researching previous studies for background {Ans: Researching previous studies for background}What is located in the skin's dermis ? Blood vessels Nerve endings Collagen Melanocytes {Ans: Blood vessels Nerve