ATI-TEAS Practice Tests questions and answers. 31 pages of comprehensive work

What is the name of the structure that prevents food from entering the airway? a) trachea b) esophagus c) diagram d) epiglottis (Test 1) - d) epiglottis "the epiglottis covers the trachea during swallowing, thus preventing food from entering the airway" ?= aka the windpipe - is a cylindrical portion of the respiratory tract that joins the larynx with the lungs (Test 1) - Trachea ?= connects the throat to the stomach - when someone swallows, this contracts to force the food down into the stomach - like other structures in the respiratory system, this structure secretes mucus for lubrication (Test 1) - Esophagus Which substance makes up the pads that provide support between the vertebrae? a) bone b) cartilage c) tendon d) fat (Test 1) - b) cartilage Where is the parathyroid gland located? a) neck b) back c) side d) brain (Test 1) - a) neck Which element w/in the respiratory system is responsible for removing foreign matter from the lungs? a) bronchial tubes b) cilia c) trachea d) alveoli (Test 1) - b) cilia (READ STARRED BULLET POINT****) - the cilia are the tiny hairs in the respiratory system that are responsible for removing foreign matter from the lungs **the cilia are located within the BRONCHIAL TUES, BUT it is the cilia that have the responsibility for removing inappropriate materials b4 they enter the lungs** Organized from high to low, the hierarchy of the human body's structure is as follows: organism, organ system, organs, tissues Which of the following comes next? a) molecules b) atoms c) cells d) muscle (Test 1) - d) cells after cells comes molecules & then atoms On average, how many neutrons does one atom of bromine (Br) have? NOTE: - atomic #= 35 - atomic mass= 79.9 a) 35 b) 44.90 c) 45 d) 79.90 (Test 1) - b) 44.90 to determine the number of neutrons (n), subtract the atomic number (35) from the atomic mass (79.9) 79.9 - 35 = 44.90 On average, how many protons does one atom of zinc (Zn) have? NOTE: - atomic # = 30 - atomic mass = 65.39 a) 30 b) 35 c) 35.39 d) 65.39 (Test 1) - a) 30 - The number of protons is the atomic number - The number of protons is the same for every atom of a given element What is the name of the process in the lungs by which oxygen is transported from the air to the blood? a) osmosis b) diffusion c) dissipation d) reverse osmosis (Test 1) - b) diffusion cannot be osmosis- osmosis is the movement of a solution from an area of low conc to an area of higher conc through a permeable membrane cannot be dissipation- dissipation is any wasteful consumption or use cannot be reverse osmosis- a process for purifying a solution by forcing it through a membrane that blocks only certain pollutants Which gland is responsible for the regulation of calcium levels? a) parathyroid glands b) thyroid glands c) adrenal glands d) pancreas (Test 1) - a) parathyroid glands "The parathyroid glands are 4 small glands that sit on top of the thyroid gland and regulate calcium levels by secreting parathyroid hormone. The hormone regulates the amount of CALCIUM & MAGNESIUM that is excreted by the KIDNEYS into the URINE" Which secretion of the digestive system is responsible for water reabsorption? a) large intestine b) duodenum c) small intestine d) gallbladder (Test 1) - a) large intestine LI main functions: - reabsorption of water into body to form solid waste** - allows for absorption of vit K