Teas 6 science practice questions and answers

What is the name of the structure that prevents food from entering the airway? - Epiglottis Which substance makes up the pads that provide support between the vertebrae? - Cartilage The two criteria for classifying epithelial tissue are cell layers and ______ - Cell shape Where is the parathyroid gland located? - Neck How many organ systems are in the human body? - 11 Which element within the respiratory system is responsible for removing foreign matter from the lungs? - Cilia What is the name of the process in the lungs by which oxygen is transported from the air to the blood? - Diffusion Which gland is responsible for the regulation of calcium levels? - Parathyroid Which secretion of the digestive system is responsible for water reabsorption? - Large intestine Describe one responsibility of the integumentary system. - Blocking pathogens that cause disease When are parasympathetic nerves active within the nervous system? - When a person is resting or eating What best describes the relationship between the circulatory system and the integumentary system? - Removal of excess heat from body Once blood has been oxygenated, it travels through the pulmonary veins, through the left atrium, and then through the _______ before entering the left ventricle. - Mitral valve The part of the human excretory system most responsible for maintaining normal body temperature is what? - Sweat glands A part of what body system controls fluid loss, protects deep tissue, and synthesizes vitamin D? - Integumentary system The respiratory system ______ oxygen and ______ carbon dioxide. - Delivers; expels What is the name for any substance that stimulates the production of antibodies? - Antigen What does not exist in RNA? - Thymine In what muscle type are the filaments arranged in a disorderly manner? - Smooth muscle Which hormone is produced by the pineal gland? - Melatonin What type of plane describes a section that divides the body into equal right and left parts? - Mid-sagittal In the development of genetic traits, one gene must match to the one _______ for the traits to develop correctly. - Protein What can be found in the dorsal cavity of the body? - Spine What best describes the careful ordering of molecules within solids that have a fixed shape? - Crystalline order What structure moves downward during inspiration? - Diaphragm Which of the following describes the transport network that is responsible for the transference of proteins throughout a cell? - ER The right lung has ___ lobes and the left lung has ___ lobes? - 3;2 A _________ is the physical and visible expression of a genetic trait. - Phenotype Which systems primary function is to release hormones ? - Endocrine system The heart is located in which of the following areas? - Thoracic A substance is considered acidic if it has a pH of less than ____. - 7 What best describes the location of the trachea in relation to the esophagus? - Anterior A triple beam balance would show what unit of measurement ? - Grams What best describes a section that divides the body into equal upper and lower portions? - Transverse