ATI TEAS 7 SCIENCE Questions and Answers (2022/2023) (Verified Answers)

ATI TEAS 7 SCIENCE Questions and Answers (2022/2023) (Verified Answers) Which of the following organs contains stores of glycogen that can be released as glucose for emergencies? A. Liver B. Heart C. Pancreas D. Kidney A. Liver Which of the following is an organelle containing fluid filled tubules for carrying and transporting substances? A. Nucleus B. Mitochondria C. Golgi apparatus D. Endoplasmic reticulum D. Endoplasmic reticulum Which of the following layers of the epidermis is the first barrier against pathogens and water? A. Stratum basale B. Stratum spinosum C. Stratum lucidum D. Stratum corneum D. Stratum corneum Liver cells have an especially large network of __________ because the liver removes waste products from the bloodstream Smooth endoplasmic reticulum In mitosis, which of the following describes what occurs during cytokinesis? The cytoplasm divides Which glands are most important in the process of thermoregulation? Eccrine (the main sweat glands and are found on almost all the skin of the body but are particularly concentrated in the palms of the hands, soles of the feet, and on the head) Which of the following parts of the kidney holds the glomerulus? Renal cortex The renal cortex is the outer layer of the kidney. It contains the glomeruli, which filter waste from the blood and return nutrients to the bloodstream Before mitosis, a human cell has 23 chromosome pairs. After, how many pairs does one daughter cell have? 23 Which of the following correctly matches the part of the gastrointestinal system with an important enzyme it produces? A. Stomach-amylase B. Small intestine- lipase C. Pancreas- trypsin D. Mouth- lactase Pancreas- trypsin In which of the following conditions do groups of alveoli combine, leading to a loss of their total surface area? Pleuritis Emphysema Pulmonary fibrosis Bronchitis Emphysema Where does chemical digestion begin? mouth What produces the myelin sheath in the central nervous system? oligodendrocytes Describe the cell membrane of a human cell It is a phospholipid bilayer with embedded proteins Describe the genetic process called translation Producing a polypeptide from an RNA template What is the end product of glycolysis? Pyruvate (C3H4O3) Which of the following describes the process of assimilation as it relates to the intake and use of food? A. Breaking down complex compounds into simpler and diffusible molecules by the action of enzymes B. Using the products of digestion to produce energy and synthesize cellular material C. Diffusing molecules from the digestive region into the bloodstream and across membrane into cells D. Taking complex matter such as carbohydrates, proteins, and lipids into the body B. Using the products of digestion to produce energy and synthesize cellular material What causes osteomalacia? lack of vitamin D What is the function of Langerhans cells? They process infectious material that enters the skin, such as viruses What gland produces releasing hormones that stimulate or inhibit the actions of the pituitary gland? Hypothalamus From which of the following germ layers does the nervous system develop? Ectoderm Saliva naturally contains the enzyme _______, which begins the chemical digestion of ______. lipase; lipids What hormone prompts bones to release calcium? parathyroid hormone Which of the following structures increases the speed of electrical impulses generated by neurons? myelin sheath Describe the role of a receptor in a homeostatic control mechanism It senses environmental stimuli What gland is found in the groin and armpits and produces sweat and scent? Apocrine Which of the following cell structures helps clear mucus from the airways of the respiratory system? Cilium Which of the following describes an anatomical relationship between the two structures in the human body? A. The femur is proximal to the tibia B. The ears are anterior to the eye C. The sternum is lateral to the pelvis D. The metatarsals are distal to the tarsals A. The femur is proximal to the tibia Which of the following matches the metabolic process with its site of occurrence? A. Glycolysis- golgi apparatus B. protein synthesis- lysosome C. electron transport chain- mitochondrial membrane D. citric acid cycle- cytoplasm C Ribosome production in the cell occurs in the Nucleolus Which of the following pairs correctly matches a cellular organelle with its function? A. Nucleus- protein synthesis B. Mitochondrion- movement C. Golgi apparatus- energy production D. rough ER- site of protein translation, folding, and modification D Which of the following layers of the skin contains sweat glands, nail roots, blood capillaries, and hair shafts dermis What gland secretes hormones that control other glands? Pituitary Describe the arteries of the circulatory system They are large vessels that carry blood away from the heart Hyperventiliation rapid breathing increased CO2 decreased O2 *acidosis hypoventilation slow breathing increased O2 decreased CO2 *alkalosis ventilation air flow to the alveoli perfusion blood flow to capillaries what does the conductive zone do? brings inhaled air to the respiratory zone where gas exchange occurs number of lobes in right lung three number of lobes in the left lung two