ATI TEAS 7 Ultimate TEST BANK-ATI TEAS 7 Science EXAM
2026-2027 LATEST UPDATED VERSION QUESTIONS AND
ANSWERS
1. Emphysema caused by damage to alveoli from toxins and pollutants is likely to result in the body having
difficulty performing which of the following actions? - answer>>- Exchanging oxygen and carbon dioxide
1. For which of the following reasons does a chloride ion have a negative charge? - answer>>- It gained an electron
1. Which of the following substances is excreted by sweat glands in response to the breakdown of proteins and the
formation of ammonia? - answer>>- Urea
1. The triple point of a substance is the temperature and pressure at which the substance exists as which of the
following? - answer>>- Simultaneously in solid, liquid, and gas phases
1. A patient goes to the doctor with a cold and sore throat and asks for antibiotics. The doctor refuses to prescribe
antibiotics to the patient because the illness is caused by which of the following pathogens? - answer>>- Virus
1. Which of the following is an efferent neuron that is responsible for releasing a neurotransmiter that stimulates a
muscle cell to contract? - answer>>- Motor neuron
1. Which of the following is the process in which an ovarian follicle matures and releases a reproductive egg? -
answer>>- Ovulation
1. Which of the following structures is present in both prokaryotic and eukaryotic cells? - answer>>- Cell
membrane
1. Which of the following actions allows for repolarization of a neuron? - answer>>- The opening of potassium
channels allowing potassium to leave the neuron
,1. Which of the following structures is an exocrine gland? - answer>>- Parotid gland
1. Which of the following is the function of a totipotent cell? - answer>>- Develops into any kind of cell
1. Which of the following classes of biological molecules includes enzymes? - answer>>- Proteins
1. Which of the following substances is responsible for donating H+ ions to act as a buffer when blood pH rises? -
answer>>- Carbonic acid
1. Parasitic worm infestation is hypothesized to be damaging to the host. However, scientists have recently
discovered that worm infestation can relieve the effects of certain autoimmune disorders. In which of the
following ways should the hypothesis be modified, given the new findings? - answer>>- Worm infestation reduces
the severity of certain autoimmune disorders.
1. If a portion of a strand of DNA bases reads 3'TCGATCGCA 5', what would the sequence of bases on the
complementary strand read? - answer>>5'AGCTAGCGT 3'
1. Which of the following best describes the result of using a catalyst in a chemical reaction? - answer>>The
reaction is completed in a shorter amount of time.
1. An individual suffers severe blunt trauma to the thoracic cavity. Which of the following organs are at greatest
risk from this injury? - answer>>- Heart and lungs
1. Which of the following is correct regarding the pH scale? - answer>>- A substance with a pH of 3 is 10 times
more acidic than a substance with a pH of 4.
1. Which of the following is a component of the integumentary system that secretes pheromones? - answer>>-
Apocrine gland
1. Which of the following processes causes most of the carbon dioxide from the blood to move into the alveoli? -
answer>>- Diffusion down a concentration gradient
, 1. Which of the following growth curves shows a population that is at its carrying capacity? - answer>>B
1. Lipids absorbed in the small intestine will first enter which of the following structures? - answer>>- Lacteal
vessels
1. Which of the following layers of skin lack blood vessels? - answer>>- Epidermis
1. Which of the following immune system molecules creates holes in the cell membranes of their target cells in
order to destroy the cell? - answer>>- Perforins
1. Use the table below to answer the question. Which of the following conclusions is supported by the data? -
answer>>- . Air resistance could be greater for A than for B.
1. Which of the following properties does soap, an emulsifier, have that make it useful for washing dirt off one's
hands with water? - answer>>- Soap's dual polar and nonpolar nature helps bond oil and water
1. Which of the following correctly orders structures from simple to complex? - answer>>- Atoms, cells, tissues,
organs
1. The covalent bonds between the monomers of an enzyme macromolecule are: - answer>>- Peptide bonds
1. Which of the following is a protein present in blood plasma? - answer>>- Fibrinogen
1. Which of the following describes a genetic mutation that results in uncontrolled division of a single cell within
the body? - answer>>- Cancer
1. Which of the following tools can be used to measure the turbidity of a liquid by measuring the transmission of
light through the sample? - answer>>- Spectrophotometer
1. A researcher wants to gather data on the average wing strength of all birds found in the American Northwest.
The researcher only has one small net, so all large birds were excluded from the study. The researcher's results
2026-2027 LATEST UPDATED VERSION QUESTIONS AND
ANSWERS
1. Emphysema caused by damage to alveoli from toxins and pollutants is likely to result in the body having
difficulty performing which of the following actions? - answer>>- Exchanging oxygen and carbon dioxide
1. For which of the following reasons does a chloride ion have a negative charge? - answer>>- It gained an electron
1. Which of the following substances is excreted by sweat glands in response to the breakdown of proteins and the
formation of ammonia? - answer>>- Urea
1. The triple point of a substance is the temperature and pressure at which the substance exists as which of the
following? - answer>>- Simultaneously in solid, liquid, and gas phases
1. A patient goes to the doctor with a cold and sore throat and asks for antibiotics. The doctor refuses to prescribe
antibiotics to the patient because the illness is caused by which of the following pathogens? - answer>>- Virus
1. Which of the following is an efferent neuron that is responsible for releasing a neurotransmiter that stimulates a
muscle cell to contract? - answer>>- Motor neuron
1. Which of the following is the process in which an ovarian follicle matures and releases a reproductive egg? -
answer>>- Ovulation
1. Which of the following structures is present in both prokaryotic and eukaryotic cells? - answer>>- Cell
membrane
1. Which of the following actions allows for repolarization of a neuron? - answer>>- The opening of potassium
channels allowing potassium to leave the neuron
,1. Which of the following structures is an exocrine gland? - answer>>- Parotid gland
1. Which of the following is the function of a totipotent cell? - answer>>- Develops into any kind of cell
1. Which of the following classes of biological molecules includes enzymes? - answer>>- Proteins
1. Which of the following substances is responsible for donating H+ ions to act as a buffer when blood pH rises? -
answer>>- Carbonic acid
1. Parasitic worm infestation is hypothesized to be damaging to the host. However, scientists have recently
discovered that worm infestation can relieve the effects of certain autoimmune disorders. In which of the
following ways should the hypothesis be modified, given the new findings? - answer>>- Worm infestation reduces
the severity of certain autoimmune disorders.
1. If a portion of a strand of DNA bases reads 3'TCGATCGCA 5', what would the sequence of bases on the
complementary strand read? - answer>>5'AGCTAGCGT 3'
1. Which of the following best describes the result of using a catalyst in a chemical reaction? - answer>>The
reaction is completed in a shorter amount of time.
1. An individual suffers severe blunt trauma to the thoracic cavity. Which of the following organs are at greatest
risk from this injury? - answer>>- Heart and lungs
1. Which of the following is correct regarding the pH scale? - answer>>- A substance with a pH of 3 is 10 times
more acidic than a substance with a pH of 4.
1. Which of the following is a component of the integumentary system that secretes pheromones? - answer>>-
Apocrine gland
1. Which of the following processes causes most of the carbon dioxide from the blood to move into the alveoli? -
answer>>- Diffusion down a concentration gradient
, 1. Which of the following growth curves shows a population that is at its carrying capacity? - answer>>B
1. Lipids absorbed in the small intestine will first enter which of the following structures? - answer>>- Lacteal
vessels
1. Which of the following layers of skin lack blood vessels? - answer>>- Epidermis
1. Which of the following immune system molecules creates holes in the cell membranes of their target cells in
order to destroy the cell? - answer>>- Perforins
1. Use the table below to answer the question. Which of the following conclusions is supported by the data? -
answer>>- . Air resistance could be greater for A than for B.
1. Which of the following properties does soap, an emulsifier, have that make it useful for washing dirt off one's
hands with water? - answer>>- Soap's dual polar and nonpolar nature helps bond oil and water
1. Which of the following correctly orders structures from simple to complex? - answer>>- Atoms, cells, tissues,
organs
1. The covalent bonds between the monomers of an enzyme macromolecule are: - answer>>- Peptide bonds
1. Which of the following is a protein present in blood plasma? - answer>>- Fibrinogen
1. Which of the following describes a genetic mutation that results in uncontrolled division of a single cell within
the body? - answer>>- Cancer
1. Which of the following tools can be used to measure the turbidity of a liquid by measuring the transmission of
light through the sample? - answer>>- Spectrophotometer
1. A researcher wants to gather data on the average wing strength of all birds found in the American Northwest.
The researcher only has one small net, so all large birds were excluded from the study. The researcher's results