Practice Test #3 ATI TEAS Science Questions and Answers 100% correct

Practice Test #3 ATI TEAS Science Questions and Answers 100% correc tWhich of the following types of tissues include cells of the immune system and of the blood? A. Connective B. Epithelial C. Muscle D. Neural 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 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 C. Which substance is plasma mostly composed of? A. Albumin B. Leukocytes C. Platelets D. Water D Which blood group is a universal donor? A. A B.B C. AB D. O 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 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 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 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 C After food has been masticated in the oral cavity, where does it go next? A. Colon B. Liver C. Pancreas D. Pharynx 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 D Carbohydrates are broken down into____________ A. Fructose B. Glucose C. Lactose D. Sucrose 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 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 C The epidermis is made of _______ layers A. 2 B. 3 C. 5 D. 8 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 B Antibodies attach to invading pathogens, marking them for________. A. destruction B. penetration C. reproduction D. transformation 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 B Which describes the shape of a skeletal muscle cell? A. Branched B. Elongated C. Short D. Spindle B If a person smells something sweet, what form of information is this initially perceived as in the nervous system? A. Cognitive B. Integrative C. Motor D. Sensory D While hiking, a person is startled after encountering a bear. Her palms get sweaty and her heart starts racing. Which part of her nervous system was directly stimulated? A. Central B. Parasympathetic C. Somatic D. Sympathetic D Fertilzation usualy occurs in the ___________________ _______. A. Ovary B. Vagina C. Uterine wall D. Fallopian tube D The male reproductive system includes ______________. A. the penis and epididymis B. the vas derens and uterus C. the penis and fallopain tube D. the penis, scrotum, and cervix A Fertilization (fusing of one sperm and an ovum) results in a(n)____________. A. embryo B. fetus C. infant D. zygote ... Prior to sexual intercourse, the penis becomes erect_____________. A. by muscular actions B. when the vas deferens elongates C. when sperm are produced in the testicles D. when the corpus cavernosum fills with blood D What structure channels food to the esophagus and air to the trachea? A. Bronchiole B. Capillary C. Larynx D. Lung C A person is diagnosed as having acidosis, a condition in which the blood pH is below 7.45. What does the doctor most liekly conclude? A. Too much carbon dioxide is found in the blood B. High;y oxygenated blood circulates through the body C. A blockage prevents blood from leaving the pulmonary artery D. The nasal cavity has a difficult time clearing particles from the air A What structure plays a role in air conduction? A. Alveolus B. Capillary C. Lung D. Trachea D