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A comprehensive overview of key topics and concepts covered in the teas 7 science exam, which is a standardized test used for admission to nursing and allied health programs. A wide range of scientific topics, including human anatomy and physiology, cell biology, biochemistry, and more. It provides detailed explanations and answers to various questions, making it a valuable resource for students preparing for the teas 7 science exam. Topics such as hyperventilation, skin layers, connective tissues, hormones, the spleen, burn types, enzyme structure, feedback systems, organ functions, and more. By studying this document, students can gain a deeper understanding of the scientific principles and knowledge required to succeed on the teas 7 science exam, which is a crucial step in their journey towards a career in the healthcare field.
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Hyperventilation - Answer-carbon dioxide levels decrease causing increase in blood PH Stratum Basale - Answer-deepest layer contains melanin producing cells called melanocytes Tendon - Answer-connect bone to muscle Estrogen - Answer-a hormone produced in the ovaries Spleen - Answer-erythrocytes recycled; blood filtered. Damage to spleen is critical spleen full of blood resulting massive blood loss First degree burn - Answer-only epidermis is damaged; sunburn example of first degree burn second degree burn - Answer-involves epidermis and some dermis tissue. Scalding and severe sun burn are ex of second degree burn Third degree burn - Answer-a burn involving all layers of the skin; characterized by the destruction of the epidermis and dermis, with damage or destruction of subcutaneous tissue When an enzyme is degraded into its monomeric structural units, the monomers will be - Answer-amino acids; Negative feedback system - Answer-The release of insulin from the pancreas in response to high blood sugar levels Positive feedback system - Answer-a process that results in a response that enhances the original stimulus; ex: release of oxytocin contractions as childbirth is underway which organ stores bile - Answer-gallbladder Function Ribosome in living cell - Answer-use of genetic information to build specific protein molecules Prostate - Answer-produces semen Scrotum - Answer-External sac that contains the testes Which of the following enzymes breaks down complex carbohydrates? - Answer-Amylase The cause of cell differentiation is that different cells - Answer-express alternate genetic information Role of urethera - Answer-transport urine out of the body Fallopian tubes - Answer-transport the egg to the uterus. which of the following is purpose of using control groups in an investigation? - Answer-to establish a standard for data comparison? Which of the glands is found exclusively in males? - Answer-cowpers; secrete fluid to protect sperm in males which of the following is part of the small intestine? - Answer-ileum; third part of the small intestine
which of the following cell types produces antibodies? - Answer-B-cells; mature into plasma cells which secrete antibodies Which of the following explains why gases are termed "compressible" and liquids are not? - Answer- particles have a large amount of empty space between them which of the following glands is found on top of the kidneys? - Answer-Adrenal glands observation - Answer-a direct measurement, viewing, description, or record of an object or event. There is no judgment or analysis during an observation—whatever happens or exists is recorded and viewed as it is. Example: Measuring amount of rain that falls in a month on a city Mendel's law of independent assortment states that - Answer-alleles for two or more genes are independently sorted into gametes. In which of the following structures does the mechanical digestion of food begin? - Answer-mouth Which of the following structures helps to package a double-stranded length of DNA into a tightly compacted metaphase chromosome? - Answer-Histone Which of the following represents the proper flow sequence of air through the respiratory system after it passes through the nose or mouth to the main bronchi? - Answer-Pharynx → larynx → trachea Unlike arteries, veins utilize which feature to prevent the backflow of blood? - Answer-Valves valves inside veins prevent the backflow of blood. Arteries do not contain valves because the high pressure of the blood inside them prevents backflow The testes are located in an external pouch for which of the following reasons? - Answer-Sperm can only develop properly at temperatures slightly lower than normal body temperature Which of the following is the main function of the major calyces? - Answer-Drainage of urine into the ureter What is the primary function of Merkel cells? - Answer-To sense touch