ATI-TEAS Practice Tests 2022 with complete solutions

What is the name of the structure that prevents food from entering the airway? a) trachea b) esophagus c) diagram d) epiglottis (Test 1) - ANSWER d) epiglottis "the epiglottis covers the trachea during swallowi ...

What is the name of the structure that prevents food from entering the airway? a) trachea b) esophagus c) diagram d) epiglottis (Test 1) - ANSWER 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) - ANSWER 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) - ANSWER Esophagus Which substance makes up the pads that provide support between the vertebrae? a) bone b) cartilage c) tendon d) fat (Test 1) - ANSWER b) cartilage Where is the parathyroid gland located? a) neck b) back c) side d) brain (Test 1) - ANSWER 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) - ANSWER 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) - ANSWER 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) - ANSWER 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) - ANSWER 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) - ANSWER 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) - ANSWER 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) - ANSWER a) large intestine LI main functions: - reabsorption of water into body to form solid waste** - allows for absorption of vit K Which of the following describes one responsibility of the integumentary system? a) distributing vital substances (such as nutrients) throughout the body b) blocking pathogens that cause diseases c) sending leaked fluids from the cardiovascular system back to the blood vessels d) storing bodily hormones that influence gender traits (Test 1) - ANSWER b) blocking pathogens that cause diseases "The integumetnary system includes skin, hair, & mucous membranes, all of which are responsible (in part) for blocking disease-causing pathogens from entering the blood stream" IT CANNOT be A b/c the circulatory system distributes vital substances through the body IT CANNOT be C b/c the lymphatic system sends leaked fluids from the cardiovascular system back to the blood vessels IT CANNOT be D b/c the reproductive system stores bodily hormones that influence gender traits When are the parasympathetic nerves active w/in the nervous system? When an individual.... a) experiences a strong emotion, such as fear or excitement b) feels pain or heat c) is either talking or walking d) is either resting or eating (Test 1) - ANSWER d) when an individual is either resting or eating When are the sympathetic nerves active w/in the nervous system? When an individual.... a) experiences a strong emotion, such as fear or excitement b) feels pain or heat c) is either talking or walking d) is either resting or eating (Test 1) - ANSWER a) when an individual experiences a strong emotion, such as fear or excitement When are the sensory neurons active w/in the nervous system? When an individual.... a) experiences a strong emotion, such as fear or excitement b) feels pain or heat c) is either talking or walking d) is either resting or eating (Test 1) - ANSWER b) when an individual feels pain or heat When are the sensory-somatic ns active w/in the nervous system? When an individual.... a) experiences a strong emotion, such as fear or excitement b) feels pain or heat c) is either talking or walking d) is either resting or eating (Test 1) - ANSWER c) when an individual is either talking or walking Which of the following best describes the relationship b/w the circulation system & the integumentary system a) removal of excess heat from body b) hormonal influence on bp c) regulation of blood's pressure and volume d) development of blood cells w/in marrow (Test 1) - ANSWER a) removal of excess heat from body "the integumentary system (ie: skin, hair, etc) coordinates with the circulatory system to remove excess heat from the body. The superficial blood vessels (nearest the skin surface) dilate to allow the heat to exit the body" NOT B b/c the hormonal influence on bp is the result of the relationship b/w the circulatory system and the endocrine system NOT C b/c the urinary system is responsible for assisting in the regulation of blood's pressure and volume NOT D b/c the skeletal system is responsible for assisting in the development of blood vessels w/in the marrow The hormonal influence on bp is the result of the relationship between the circulatory system & the ? system (Test 1) - ANSWER Endocrine System The ? system is responsible for assisting in the regulation of blood's pressure and volume (Test 1) - ANSWER Urinary System The ? system is responsible for assisting in the development of blood vessels w/in the marrow - ANSWER Skeletal System Once blood has been oxygenated, it travels through the pulmonary veins, through the left atrium, and then through the ? before entering the left ventricle a) tricuspid valve b) mitral valve c) pulmonary arteries d) aorta (Test 1) - ANSWER b) mitral valve The part of the human excretory system most responsible for maintaining normal body temperature is the: a) kidney b) bladder c) liver d) sweat glands (Test 1) - ANSWER d) sweat glands NOTE: the kidney, bladder, & liver are not involved in regulating body temperature A part of which body system controls fluid loss, protects deep tissues, and synthesizes vitamin D? a) skeletal system b) muscular system c) lymphatic system d) integumentary system (Test 1) - ANSWER d) integumentary system (includes skin, hair, mucous membranes) There are three insects that are being compared under a microscope.... Which unit of measurement would be best for this situation? a) centimeters b) meters c) micrometers d) kilometers (Test 1) - ANSWER c) micrometers (smallest unit of measurement; note also using microscope to measure so it is very small) The respiratory system ? oxygen and ? carbon dioxide a) inhales; exhales b) delivers; expels c) creates; absorbs d) exhales; inhales (Test 1) - ANSWER b) delivers; expels Our respiratory systems (RS) INHALE AIR, of which oxygen is one component. From that inhaled air, the RS DELIVERS OXYGEN Through gas exchange, it EXPELS CARBON DIOXIDE from the body as we EXHALE ** We do not use our RS to exhale o2 or inhale co2 (re: d) What is the name for any substance that stimulates the production of antibodies a) collagen b) hemoglobin c) lymph d) antigen (Test 1) - ANSWER d) antigen The name for a substance that stimulates the production of antibodies is an antigen. An antigen is any substance perceived by the immune system as dangerous. When the body senses an antigen, it produces an antibody Which group of major parts and organs make up the immune system? a) lymphatic system, spleen, tonsils, thymus, & bone marrow b) brain, spinal cord, & nerve cells c) heart, veins, arteries, & capillaries d) nose, trachea, bronchial tubes, lungs, alveolus, & diaphragm (Test 1) - ANSWER a) lymphatic system, spleen, tonsils, thymus, & bone marrow Which of the following cannot exist in RNA? a) uracil b) thymine c) cytosine d) guanine (Test 1) - ANSWER b) thymine In which of the following muscle types are the filaments arranged in a disorderly manner? a) cardiac b) smooth c) skeletal d) rough (Test 1) - ANSWER b) smooth smooth muscle tissue is said to be arranged in a disorderly fashion b/c it is NOT STRIATED like the other 2 types of muscle (cardiac and skeletal) Rough muscle does not exist (1) Identify the tissue(s) that is/are striated (2) Identify the tissue(s) that is/are NOT striated a) cardiac b) smooth c) skeletal d) rough (Test 1) - ANSWER (1) Striated - a- cardiac - c- skeletal (2) Not Striated - a- smooth ** rough does not exist!! Which hormone is produced by the pineal gland? a) insulin b) testosterone c) melatonin d) epinephrin (Test 1) - ANSWER c) melatonin MELATONIN= primary function is regulation of the circadian cycle (rhythum of sleep/wakefulness) INSULIN= helps regulate the amount of glucose in the body - w/o insulin, the body is unable to convert blood sugar into energy TESTOSTERONE= the main hormone produced by the testes; responsible for male sex characteristics EPINEPHRINE= AKA ADRENALINE; quickens/strengthens the heartbeat & dilates the bronchioles; secreted when the body senses danger In the development of genetic traits, one gene must match to one ? for the traits to develop correctly a) codon b) protein c) amino acid d) chromosome (Test 1) - ANSWER b) protein Which of the following is not composed of skeletal muscle a) quadriceps b) uterus c) triceps d) gastrocnemius (Test 1) - ANSWER b) uterus SKELETAL MUSCLES are voluntary muscles that help support the skeletal structures (ex: biceps, triceps, quads, gluteus, gastrocnemius muscles, etc) SMOOTH MUSCLES are involuntary muscles primarily found in the visceral organs (ex: intestines, prostate, reproductive organs, bladder, trachea) Which of the following best describes the careful ordering of molecules w/in solids that have a fixed shape? a) physical bonding b) polar molecules c) metalloid structure d) crystalline order (Test 1) - ANSWER d) crystalline order "solids with a fixed shape have a crystalline order that defines and maintains that shape" Which of the following structures move downward during inspiration? a) lungs b) diaphragm c) ribs d) heart (Test 1) - ANSWER b) diaphragm The diaphragm moves downward or contracts to increase the space in the thoracic cavity. This downward motion inflates the lungs and contracts the ribs. The heart's position does not change during inspiration or expiration Which of the following describes the transport network that is responsible for the transference of proteins throughout the cell? a) golgi apparatus b) endoplasmic reticulum c) mitochondria d) nucleolus (Test 1) - ANSWER b) endoplasmic reticulum Note: the golgi apparatus assists in the transport but the ER is the actual transport network Which of the following statements is correct about normal human lung anatomy? R= right; L= left a) the R lung has 3 lobes; the L lung has 2 lobes b) the R lung has 2 lobes; the L lung has 3 lobes c) both lungs have 2 lobes d) both lungs have 3 lobes (Test 1) - ANSWER a) the right lung has 3 lobes; the left lung has 2 lobes All of the following belong together except: a) ventricle b) alveoli c) atrium d) septum (Test 1) - ANSWER b) alveoli ALVEOLI are air sacs found w/in the lung parenchyma and are not part of the cardiac system