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Practice Test #3 ATI TEAS Science

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Practice Test #3 ATI TEAS Science * Which of the following types of tissues include cells of the immune system and of the blood?* A. Connective B. Epithelial C. Muscle D. Neural Correct Answer: A. * Which of the following regions of the body is divided into the thigh, leg, ankle, and foot?* A. Central B. Head C. Lower D. Upper Correct Answer: C. * Which best describes homeostasis?* A. A functional system of the body B. Blood flow to every cell in the body C. A relatively constant environment within the body D. Neutral pathways that have integrated into the body Correct Answer: C. * Which substance is plasma mostly composed of?* A. Albumin B. Leukocytes C. Platelets D. Water Correct Answer: D * Which blood group is a universal donor?* A. A B.B C. AB D. O Correct Answer: D * Blood oxygen levels are most likely low when blood...* A. leave the aorta B. fills the right atrium C. reaches body tissues D. flows through arteries Correct Answer: B *Which of the following could be a result of the effects of aging on hormones?* A. Poor sight B. Loss of strength C. Change in moods D. Fluctuating weight Correct Answer: B * An intracellular chemical signal can be produced in the cell membrane. Once it is produced, where does it go?* A. To a different cell B. To another part of the same cell C. To a region right outside the cell D. To an area with a high ion concentration Correct Answer: B * During the aging process, not all hormone levels decrease; some actually increase. Which of the following is a hormone that may increase as a person ages?* A. Cortisol B. Insulin C. Lutheinizing D. Thyroid Correct Answer: C *After food has been masticated in the oral cavity, where does it go next?* A. Colon B. Liver C. Pancreas D. Pharynx Correct Answer: D *The diffusion of nutrients through the walls of the digestive system is critical to homeostasis in the boyd. Where does the majority of this diffusion take place in the digestive system?* A. Stomach B. Esophagus C. Oral cavity D. Small intesting Correct Answer: D *Carbohydrates are broken down into____________* A. Fructose B. Glucose C. Lactose D. Sucrose Correct Answer: B *During basal cell carcinoma, the epidermal cells in the stratum basale...* A. invade the dermis B. form a waterproof layer C. undergo mitosis normally D. fill with a large amount of keratin Correct Answer: A *A dermatologists explains to a patient that a bacterial infection has affected the sebaceous glands. Which layer does this form of acne directly affect?* A. Stratum basale B.Stratum lucidum C. Stratum corneum D. Stratum granulosum Correct Answer: C * The epidermis is made of _______ layers* A. 2 B. 3 C. 5 D. 8 Correct Answer: C *As soon as an invader, known as a(n)_______,enters the body, the body begins to fight. A. antibody B. pathogen C. trigger D. vaccination Correct Answer: B *Antibodies attach to invading pathogens, marking them for________.* A. destruction B. penetration C. reproduction D. transformation Correct Answer: A *Where is skeletal muscle found?* A. Inside the heart B. Attached to bone C. Lining the walls of the bladder D. Within the gastrointestinal tract Correct Answer: B *Which describes the shape of a skeletal muscle cell?* A. Branched

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