ATI Test of Essential Academic Skills (TEAS) Practice Test

These questions are part of the practice quiz. Start practicing

• What is the main purpose of the respiratory system?
• When an enzyme is degraded into its monomeric structural units, the monomers will be:
• What is the primary source of energy for the body's cells?
• What unit is used to measure frequency?
• Which part of the neuron receives signals from other neurons?
• What is the correct formula for a simple replacement reaction?
• What is the medical term for high blood pressure?
• What is the primary function of the components of the respiratory system?
• What is the primary function of the circulatory system?
• What term describes the physical and chemical processes that occur within a living organism?
• What part of the brain is responsible for coordination and balance?
• Which of the following is part of the small intestine?
• What effect does hyperventilation have on carbon dioxide levels in the blood?
• Which enzyme breaks down dietary fats?
• What is a key feature of mitosis?
• Which system allows for the delivery of nutrients to tissues?
• What is the term for the largest part of the brain?
• What is the main function of the spleen?
• During which stage of meiosis do homologous chromosomes exchange genetic information?
• What happens to carbon dioxide and blood pH levels during hyperventilation?
• What is best studied using an electron microscope?
• What is the equivalent of 'Milli' in the metric system?
• Which of the following types of joints are considered freely movable?
• What does the number of neutrons in an atom give information about?
• How is the momentum of an object calculated?
• What structure connects the kidneys to the bladder?
• Where are T Cells produced and matured in the human body?
• What does deductive reasoning start with?
• Which of the following describes a liquid with a pH of 7?
• What is responsible for transporting hormones within the body?
• What is the function of ribosomes?
• What type of disease is characterized by uncontrolled cell division?
• Which of the following is NOT classified as a lymphoid organ?
• What unit of measurement is commonly used to indicate pH levels?
• Which of the following terms refers to the classification rank directly below 'Order'?
• What is the correct sequence of the steps in natural selection?
• What component of the human body primarily functions in waste filtration from the blood?
• Which organ system is primarily responsible for transporting nutrients and oxygen to cells?
• What type of bond involves the sharing of electron pairs between atoms?
• Which of the following connects bone to muscle?
• What is the main role of the urinary system?
• What is the scientific term for a change of state from a liquid to a gas?
• What role do the kidneys play in homeostasis?
• What is the primary function of the digestive system?
• Which system is primarily responsible for processing foods and absorbing nutrients?
• In the hierarchical classification of organisms, which rank is largest?
• What membrane covers the lungs?
• Which of the following structures is an irregularly shaped bone?
• Which form of energy is measured in joules?
• What is the primary purpose of the skeletal system?
• How many milliliters are in one liter?
• What term describes a substance that donates protons in a chemical reaction?
• Which neurotransmitter stimulates skeletal muscle contraction at the neuromuscular junction?
• What is the outcome of cytokinesis?
• Which of the following enzymes breaks down complex carbohydrates?
• In a chemical reaction, what is the substance formed as a result?
• What is the primary cause of infectious diseases?
• During which stage of embryological development are the main germ layers (ectoderm, endoderm, and mesoderm) formed?
• What function does the integumentary system primarily serve?
• Which of the following is an example of an organic molecule?
• Which part of the kidney is primarily responsible for filtration?
• In genetics, what do the letters in a Punnett square represent?
• What is the primary role of the hypothalamus in the body?
• In a balanced chemical equation, what must be equal on both sides?
• Which gland is considered an endocrine organ?
• What bodily process is regulated by insulin?
• In human anatomy, how many bones are there in an adult human skeleton?
• Which nervous system directs skeletal muscles to respond in the body's fight-or-flight response?
• What measurement describes how close a measurement is to the true value?
• What substance is produced by the liver and helps to digest fats?
• Which type of nucleic acid is stable under alkaline conditions?
• Which layer of the epidermis provides protection against UV radiation?
• What type of bond is responsible for forming the backbone of the DNA molecule?
• Which body system includes the skin, hair, and nails?
• What is the primary role of the best-adapted offspring in natural selection?
• What is the name for a solution that has a pH lower than 7?
• Which part of the nervous system is typically involved in processing external stimuli?
• Pancreatic cells are abundant in which organelle to meet protein production demands?
• What is the common unit of measure for blood pressure?
• What is an antigen?
• During measurement, what is expected of both accuracy and precision?
• Which of the following hormones is produced in the ovaries?
• What is typically true about the base of pH?
• What is the primary cause of cell differentiation?
• What is meiosis characterized as?
• What is the primary function of the thymus gland in relation to T Cells?
• Which hormone is primarily responsible for the development of female secondary sexual characteristics?
• Which system in the human body is responsible for producing hormones?
• What is the function of enzymes in biological processes?
• Which of the following molecules, if present in urine, indicates a problem with kidney function?
• What is the primary function of the lymphatic system?
• What organ is primarily responsible for detoxification in the body?
• Which body system is responsible for temperature regulation?
• What type of traits do offspring have according to the process of natural selection?
• Which vitamin is essential for the synthesis of collagen?
• Which of the following is known as the "voice box" in the respiratory system?
• What type of bond stabilizes the double helix structure of DNA?
• What is the primary function of ribosomes in a cell?
• Which of the following glands is part of the endocrine system?
• What is the equivalent of 'Centi' in the metric system?
• What does the digestive system primarily absorb?
• What is the difference between an acid and a base in chemistry?
• What carries the genetic information in cells?
• Which of the following substances begins digestion in the small intestine?
• In which area does the breakdown of protein begin in the human body?
• What is the equivalent of 'Deci' in the metric system?
• What is the primary function of the kidneys?
• What type of bond is formed when two atoms share electrons?
• Which structure in the urinary system stores urine until excretion?
• What does facilitated diffusion require for the movement of substances?
• How many daughter cells result from meiosis?
• Which system is primarily responsible for support and movement of the body?
• What term refers to the genetic makeup of an organism?
• What type of solution is produced by adding an acid to water?
• What process do plants use to convert sunlight into energy?
• In which anatomical position is the term "distal" typically used?
• What does the medulla oblongata control?
• A cross between two heterozygous F1 plants produces a 15:1 ratio in the F2 generation. What type of ratio is this?
• Power is calculated as the ratio of which two quantities?
• What is a primary function of the ileum in the digestive tract?
• What characteristic of an atom is determined by the number of protons?
• Which structure carries both sperm and urine out of the body?
• Which part of the brain is primarily responsible for coordination and balance?
• What is a characteristic of an alkaline solution?
• What does a measurement's precision indicate?
• Which part of the brain is primarily involved in memory storage?
• Where do T-cells mature in the human body?
• What type of cells are produced through meiosis?
• What is the result of a covalent bond in terms of atomic interaction?
• Which organelle is primarily involved in the synthesis of lipids?
• In anatomy, what does the term "proximal" refer to?
• What type of reaction involves the exchange of ions and results in the formation of new products?
• Which body system is correctly paired with its function?
• What is the role of transmembrane integral proteins in facilitated diffusion?
• What substance do kidneys remove from the blood?
• What type of muscle is involuntary and found in the walls of organs?
• Which term best describes a substance that cannot be broken down into simpler substances?
• What type of biomolecule produces ammonia through deamination in the liver?
• What is the role of neurotransmitters in the nervous system?
• What is the primary component of the cell membrane?
• What is the primary purpose of the skeletal system?
• What is the primary function of white blood cells?
• Which structure is NOT part of the rib cage?
• Which of the following is a large molecule composed of amino acids?
• Fermentation is described as which type of process?
• What is the role of the hypothalamus in the body's temperature regulation?
• In cellular biology, what is the primary outcome of meiosis?
• What is the primary role of chlorophyll in plants?
• What is the main function of red blood cells?
• Which of the following is an example of an intensive property?
• Which organ is responsible for producing bile in humans?
• What is the function of the small intestine in digestion?
• What determines if an atomic particle has a positive, negative, or neutral charge?
• Which organ is primarily responsible for gas exchange in the respiratory system?
• What type of joint is a ball and socket joint classified as?
• Which structure produces progesterone to prepare the uterus for pregnancy?
• Which organ is involved in the production of sperm?
• What system does the spleen primarily function in?
• What is the role of the pancreas in the digestive system?
• Which type of reasoning involves drawing specific conclusions from general premises?
• What is the primary feature of a solution classified as basic?
• Which food source mainly provides urea filtered from the blood by the kidneys?
• Which organ is the largest in the human body?
• Blood formation occurs primarily in which part of the skeletal system?
• Which of the following choices would predominantly contribute to the formation of urea for kidney filtration?
• What is the main role of amylase in the digestive system?
• What does the cardiovascular system primarily transport?
• What is the basic unit of life?
• What does the prefix 'Deca' represent in the metric system?
• In statistics, what is the mean?
• What does the term "accurate" mean in a scientific context?
• What does the prefix 'Kilo' represent in the metric system?
• What is the main function of the muscular system?
• What is the primary function of the mitochondria?
• In which region of the kidney is the glomerulus found?
• Which gas is a byproduct of respiration?
• Which substance is commonly measured to evaluate kidney function?
• What is the primary purpose of meiosis in living organisms?
• Which of the following systems includes skin, hair, and nails?
• Which observation provides the strongest evidence that chloroplasts originated from cyanobacteria?
• What is the primary role of platelets in the blood?
• The nephridium in worms performs a function similar to which organ in humans?
• What is the most abundant gas in the Earth's atmosphere?
• Which term describes a chemical that absorbs protons?
• What is the standard unit for measuring energy?
• What is the purpose of vaccination?
• Which of the following cells is primarily involved in the immune response?
• Which protein, along with actin, forms the bands in muscle sarcomeres?
• What process occurs after telophase in cell division?
• What role do primary consumers play in a food chain?
• Which organ is responsible for pumping blood throughout the body?
• Which organ is NOT part of the reproductive system in females?
• Is blood pressure primarily atrial or ventricular?
• During which phase of the cell cycle does the duplication of chromosomes occur?
• What is the primary role of the kidneys?
• Which type of skin cell provides waterproofing for the outer skin layers?
• In the food chain 'Seaweed -- Snail -- Fish -- Dolphin', what trophic level do snails belong to?
• What is the primary role of the nervous system?
• Which cells are responsible for producing antibodies when triggered by a vaccine?
• What term refers to the amount of matter in an object?
• What are patellae categorized as?
• What is the medical term for inflammation of the joints?
• What is the pH level of pure water?
• What is the term for organisms that make their own food?
• Which component of proteins is broken down to form urea?
• In which of the following structures does the exchange of gases occur in the respiratory system?
• Which of the following structures helps regulate the pH of blood?
• Which of the following structures plays a crucial role in the filtration process in kidneys?
• What is the structure of an enzyme primarily made of?