ATI TEAS PRACTICE TEST #2: SCIENCE WITH COMPLETE SOLUTIONS | LATEST 2025 | VERIFIED & UPDA, Exams of Nursing

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Which item below is part of the circulatory system? A) Kidneys B) Lungs C) Heart D) Stomach ✔✔C) Heart Which item below is NOT part of the digestive system? A) Stomach B) Brain C) Mouth D) Esophagus ✔✔B) Brain Which item below best describes the primary function of the nervous system? A) The nervous system is the center of communication in the body. B) The nervous system is primarily responsible for helping the body breathe. C) The nervous system transports blood throughout the body. D) The nervous system helps the body break down food. ✔✔A) The nervous system is the center of communication in the body. Which of the following systems is primarily responsible for helping the body breathe? A) Nervous System B) Circulatory System C) Digestive System D) Respiratory System ✔✔D) Respiratory System Which system helps fight illness? A) Immune System

ATI TEAS PRACTICE TEST #2: SCIENCE

WITH COMPLETE SOLUTIONS |

LATEST 2025 | VERIFIED &

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B) Digestive System C) Nervous System D) Urinary System ✔✔A) Immune System Which item in the following list is NOT one of the major types of bones in the human body? A) Dense Bone B) Long Bone C) Short Bone D) Irregular Bone ✔✔A) Dense Bone Which of the following bone types is embedded in tendons? A) Long Bones B) Sesamoid Bones C) Flat Bones D) Vertical Bones ✔✔B) Sesamoid Bones You & a lab partner will be completing a scientific experiment measuring the mass of chewed gum after one-minute chewing increments. Which lab equipment will you most likely use? A) Triple Beam Balance B) Anemometer C) Hot Plate D) Microscope ✔✔A) Triple Beam Balance Which of the following is NOT a product of respiration? A) Carbon Dioxide B) Water C) Glucose D) ATP ✔✔C) Glucose Of the following, the blood vessel containing the least-oxygenated blood is:

A) The Aorta B) The Vena Cava C) The Pulmonary Artery D) The Capillaries ✔✔C) The Pulmonary Artery Which layer of the heart contains striated muscle fibers for contraction of the heart? A) Pericardium B) Epicardium C) Endocardium D) Myocardium ✔✔D) Myocardium Which blood vessel caries oxygenated blood back to the heart? A) Pulmonary Vein B) Pulmonary Artery C) Aorta D) Superior Vena Cava ✔✔A) Pulmonary Vein Mrs. Jones's class conducted an experiment on the effects of sugar & artificial sweetener on the cookie recipe's overall color when baked. What would be the independent variable in the cookie experiment? A) The students should use the same ingredients in both recipes, but bake the cookies with sugar at 450 degrees. They should increase the baking time on the artificial sweetener cookies, since the package instructs them to do so. B) The students should use the same ingredients in both recipes, but increase the baking time on the artificial sweetener cookies, since the package instructs them to do so. C) The students should use the same ingredients, same baking temperatures, & same baking times for both recipes. D) The students should use the same ingredients & baking times in both recipes, but bake the cookies with sugar at 450 degrees & the artificial sweetener cookies at 475 degrees. ✔✔C) The students should use the same ingredients, same baking temperatures, & same baking times for both recipes.

Which part of the cell is often called the cell "Power House" because if provides energy for cellular functions? A) Nucleus B) Cell Membrane C) Mitochondria D) Cytoplasm ✔✔C) Mitochondria What function do ribosomes serve within the cell? A) Ribosomes are responsible for cell movement. B) Ribosomes aid in protein synthesis. C) Ribosomes help protect the cell from its environment. D) Ribosomes have enzymes that help with digestion. ✔✔B) Ribosomes aid in protein synthesis. What is the most likely reason that cells differentiate? A) Cells differentiate to avoid looking like all the cells around them. B) Cells differentiate so that simple, non-specialized cells can become highly specialized cells. C) Cells differentiate so that multicellular organisms will remain the same size. D) Cells differentiate for no apparent reason. ✔✔B) Cells differentiate so that simple, non- specialized cells can become highly specialized cells. How is meiosis similar to mitosis? A) Both produce daughter cells that are genetically identical. B) Both produce daughter cells that are genetically different. C) Both occur in humans, other animals, & plants. D) Both occur asexually. ✔✔C) Both occur in humans, other animals, & plants. In the suburban neighborhood of Northwoods, there have been large populations of deer, & residents have complained about them eating flowers & garden plants. What would be a logical explanation, based on observations, for the large increase in the deer population over the last two seasons?

A) Increased quantity of food sources B) Decreased population of a natural predator C) Deer migration from surrounding areas D) Increase in hunting licenses sold ✔✔B) Decreased population of a natural predator How do DNA & RNA function together as part of the human genome? A) DNA carries genetic information from RNA to the cell cytoplasm B) RNA carries genetic information from DNA to the cell cytoplasm C) DNA & RNA carry genetic information from the cell nucleus to the cytoplasm D) DNA & RNA do not interact within the cell ✔✔B) RNA carries genetic information from DNA to the cell cytoplasm The majority of nutrient absorption occurs in the: A) mouth B) Stomach C) Small Intestine D) Large Intestine ✔✔C) Small Intestine What process should the DNA within a cell undergo before cell replication? A) The DNA should quadruple so that daughter cells have more than enough DNA material after cell division. B) The DNA should triple so that daughter cells have three times the amount of DNA material after cell division. C) The DNA should replicate so that daughter cells have the same amount of DNA material after cell division. D) The DNA should split so that daughter cells have half the amount of DNA material after cell division. ✔✔C) The DNA should replicate so that daughter cells have the same amount of DNA material after cell division. What basic molecular unit enables hereditary information to be transmitted from parent to offspring?

A) Genes B) Blood C) Organs D) Hair ✔✔A) Genes Which statement most accurately compares & contrasts the structures of DNA & RNA? A) Both DNA & RNA have 4 nucleotide bases. Three of the bases are the same but the fourth base is thymine in DNA & uracil in RNA. B) Both DNA & RNA have the same 4 nucleotide bases. However, the nucleotides bond differently in the DNA when compared to RNA. C) Both DNA & RNA have 6 nucleotide bases. However, the shape of DNA is a triple helix & the shape of RNA is a double helix. D) Both DNA & RNA have a double helix structure. However, DNA contains 6 nucleotide bases & RNA contains 4 nucleotide bases. ✔✔A) Both DNA & RNA have 4 nucleotide bases. Three of the bases are the same but the fourth base is thymine in DNA & uracil in RNA. Which of the following characteristics is part of a person's genotype? A) Brown eyes that appear hazel in the sunlight B) CFTR genes that causes cystic fibrosis C) Black hair that grows rapidly D) Being a fast runner ✔✔B) CFTR genes that causes cystic fibrosis Let B represent the dominant gene for a full head of hair, & let b represent the recessive gene for male pattern baldness. The following Punnett square represents the offspring of two people with recessive genes for baldness *According to the Punnett square, which possibility would produce an offspring with male pattern baldness? A) Possibility 1 B) Possibility 2 C) Possibility 3 D) Possibility 4 ✔✔D) Possibility 4

Let B represent the dominant gene for a full head of hair, & let b represent the recessive gene for male pattern baldness. The following Punnett square represents the offspring of two people with recessive genes for baldness *According to the Punnett square, which possibility would produce an offspring with a full head of hair? A) Possibility 1 B) Possibility 2 C) Possibility 3 D) All of the Above ✔✔D) All of the Above Where is the interstitial fluid found? A) In the blood & lymphatic vessels B) In the tissues around cells C) In the cells D) In the ventricles of the brain ✔✔B) In the tissues around cells Which type of cell secretes antibodies? A) Bacterial Cell B) Viral Cell C) Lymph Cell D) Plasma Cells ✔✔D) Plasma Cells Chemical C is a catalyst in the reaction between chemical A & chemical B. What is the effect of chemical C? A) Chemical C increases the rate of the reaction between A & B B) Chemical C decreases the rate of the reaction between A & B C) Chemical C converts A from an acid to a base D) Chemical C converts A from a base to an acid ✔✔A) Chemical C increases the rate of the reaction between A & B

What type of molecules are enzymes? A) Water Molecules B) Protein Molecules C) Tripolar Molecules D) Inorganic Molecules ✔✔B) Protein Molecules Which structure controls the hormones secreted by the pituitary gland? A) Hypothalamus B) Adrenal Gland C) Testes D) Pancreas ✔✔A) Hypothalamus Where does gas exchange occur in the human body? A) Alveoli B) Bronchi C) Larynx D) Pharynx ✔✔A) Alveoli All of the following belong together except: A) Trachea B) Bronchi C) Esophagus D) Larynx ✔✔C) Esophagus What lab equipment would most likely be used to measure a liquid solution? A) Flask B) Triple Beam Balance C) Graduated Cylinder D) Test Tube ✔✔C) Graduated Cylinder

An atom has 5 protons, 5 neutrons, & 6 electrons. What is the electric charge of this atom? A) Neutral B) Positive C) Negative D) Undetermined ✔✔C) Negative Which system's primary function is to take in oxygen & release carbon dioxide? A) Cardiovascular B) Immune C) Respiratory D) Nervous ✔✔C) Respiratory Which of the following best describes the structures found underneath each rib in descending order? A) Vein, Nerve, Artery B) Artery, Vein, Nerve C) Vein, Artery, Nerve D) Nerve, Vein, Artery ✔✔C) Vein, Artery, Nerve Which pattern below best describes the elements listed in the table? A) The elements are arranged in order by weight with 'H' being the heaviest atom & 'Be' being the lightest atom. B) The elements are arranged in order by electron charge with 'H' having the most electrons & 'Be' having the fewest electrons. C) The elements are arranged in order by protons with 'H' having the most protons & 'Be' having the fewest protons. D) The elements are arranged in order by protons with 'H' having the fewest protons & 'Be' having the most protons. ✔✔D) The elements are arranged in order by protons with 'H' having the fewest protons & 'Be' having the most protons. Which of the following is true regarding the primary function of the spleen?

A) It produces bile to emulsify fats B) It filters microorganisms & other foreign substances from the blood C) It helps control blood glucose levels & regulates blood pressure D) It regulates blood clotting factors ✔✔B) It filters microorganisms & other foreign substances from the blood. The process of changing from a liquid to a gas is called: A) Freezing B) Condensation C) Vaporization D) Sublimation ✔✔C) Vaporization A nurse wants to investigate how different environmental factors affect her patients' body temperatures. Which tool would be the most helpful when the nurse conducts her investigation? A) Scale B) Yard Stick C) Thermometer D) Blood Pressure Monitor ✔✔C) Thermometer A scientific study has over 2000 data points. Which of the following methods is most likely to help the researcher gain usable information from the data? A) Use statistical analysis to understand trends in the data B) Look at each individual data point, & try to create a trend C) Eliminate 90% of the data so that the sample size is more manageable D) Stare at the data until a pattern pops out ✔✔A) Use statistical analysis to understand trends in the data Many years ago, people believed that flies were created from spoiled food because spoiled food that was left out in the open often contained fly larvae. So a scientist placed fresh food in a sealed container for an extended period of time. The food spoiled, but no fly larvae were found in the food that was sealed.

*Based on this evidence, what is the most likely reason that spoiled food left out in the open often contained fly larvae? A) The spoiled food evolved into fly larvae. B) Since the food was left out in the open, flies would lay eggs in the food. C) Fly larvae were spontaneously generated by the spoiled food. D) People only imagined they saw fly larvae in the spoiled food. ✔✔B) Since the food was left out in the open, flies would lay eggs in the food. The average life expectancy in the 21st century is about 75 years. The average life expectancy in the 19th century was about 40 years. What is a possible explanation for the longer life expectancy in the present age? A) Advances in medical technology enable people to live longer. B) Knowledge about how basic cleanliness can help avoid illness has enabled people to live longer. C) The creation of various vaccines has enabled people to live longer. D) All of the statements above offer reasonable explanations for longer life expectancy. ✔✔D) All of the statements above offer reasonable explanations for longer life expectancy. A doctor needs to convince his boss to approve a test for a patient. Which statement below best communicates a scientific argument that justifies the need for the test? A) The patient looks like he needs this test. B) The doctor feels that the patient need this test. C) The patient's symptoms & health history suggest that this test will enable the correct diagnosis to help the patient. D) The patient has excellent insurance that will pay for several teste, & the doctor would like to run as many tests as possible. ✔✔C) The patient's symptoms & health history suggest that this test will enable the correct diagnosis to help the patient. Which of the following is a protein that interferes with virus production? A) Lysozyme B) Prion C) Interferon

D) Keratin ✔✔C) Interferon Which of the following does NOT contain blood vessels? A) Hyperdermis B) Hypodermis C) Dermis D) Epidermis ✔✔D) Epidermis What structure releases hormones that stimulate the gonads during puberty? A) Hypothalamus B) Midbrain C) Basal Ganglia D) Hippocampus ✔✔A) Hypothalamus Which of the following structures has the lowest blood pressure? A) Arteries B) Arteriole C) Venule D) Vein ✔✔D) Vein Which of the heart chambers is the most muscular? A) Left Atrium B) Right Atrium C) Left Ventricle D) Right Ventricle ✔✔C) Left Ventricle Which part of the brain interprets sensory information? A) Cerebrum B) Hindbrain C) Cerebellum

D) Medulla Oblongata ✔✔A) Cerebrum A vaccination is a way of acquiring which type of immunity? A) Passive Natural Immunity B) Active Natural Immunity C) Active Artificial Immunity D) Passive Artificial Immunity ✔✔C) Active Artificial Immunity Which component of the nervous system is responsible for lowering the heart rate? A) Central Nervous System B) Sympathetic Nervous System C) Parasympathetic Nervous System D) Distal Nervous System ✔✔C) Parasympathetic Nervous System