ATI TEAS 7: SCIENCE LATEST 2025 UPDATE WITH QUESTIONS
AND VERIFIED ANSWERS ALREADY GRADED A+
1. In a hypertonic solution, water flows through aquaporins embedded in the plasma membrane
of the cell. This type of transport is best known as which of the following? - ANSWER-- Osmosis
1. Why is it important for new scientific findings to be published? - ANSWER-- Other scientists
can validate or disprove the findings
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. 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. Nitrogen gas is an extremely stable molecule because of which of the following? - ANSWER--
Triple covalent bonds
1. Which of the following substances protects the skin from ultraviolet radiation? - ANSWER--
Melanin
1. Which of the following statements best supports the hypothesis that viruses can cause
cancer? - ANSWER-- Genes that regulate cell division are found in some viruses
1. Which of the following physiological responses is caused by the release of antidiuretic
hormone? - ANSWER-- Increase in water reabsorption in the collecting duct
, ATI TEAS 7: Science latest 2025
1. Which of the following is the number of protons in a lithium atom? - ANSWER-3
1. Which of the following summarizes a change that takes place as a solid turns to a liquid? -
ANSWER-Particles become less ordered.
1. The pleura is a connective tissue sheath that covers which of the following organs? -
ANSWER-Lung
1. Which of the following vessels carries oxygenated blood? - ANSWER-- Pulmonary vein
1. Which of the following is the function of a totipotent cell? - ANSWER-- Develops into any kind
of cell.
1. Which of the following can lead to a tsunami? - ANSWER-- Earthquakes
Testosterone is categorized as which of the following types of hormones? - ANSWER-- Androgen
1. In a phase diagram, which of the following is the term used for a substance held at a
temperature and pressure where the solid, liquid, and gaseous states of a substance exist
simultaneously? - ANSWER-- Triple point
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. Which of the following substances is responsible for donating H+ ions to act as a buffer when
blood pH rises? - ANSWER-- Carbonic acid
, ATI TEAS 7: Science latest 2025
1. To separate genomic DNA fragments by size, which of these laboratory methods is most
useful? - ANSWER-- Electrophoresis
1. Hikers who found a human body at high altitude in the Italian Alps thought the man had died
recently, but tests indicated he was shot with an arrow more than 5,300 years ago. Which of the
following would be the best reason for prolonged preservation of the body? - ANSWER-- The
body was frozen in the cold temperature of the Alps shortly after he died and remained frozen
until it was found
1. Experiments cannot validate hypotheses, only falsify them. The statement above can be
restated in which of the following ways? - ANSWER-- A hypothesis that has not been falsified
remains provisional
1. In which of the following regions of the body are the tibia and fibula? - ANSWER-- Crural
1. Which of the following functions does the myelin sheath perform for a nerve cell? - ANSWER-
- Insulation
1. Which of the following occurs in an oxidation reaction? - ANSWER-- Removal of electrons
1. Punnet Square
An organism with an unknown genotype is crossed with another organism that shows the
recessive trait (aa). The Punnet square below shows the results. Which of the following is the
unknown genotype? - ANSWER-Aa
1. To accurately measure the density of a series of small irregular solids made of plastic, wood,
fibreglass, and glass, a student will need which of the following laboratory tools? - ANSWER--
Graduated cylinder, water, weighing balance