ATI TEAS 7 Science Questions and Answers 2026/2027 – TEAS 7 Science Exam Prep & Study Guide

ATI TEAS 7 Science Exam
1. Which of the following units is used to indicate M
length?


researcher collects data on the number of cars passing - traffic patterns during rush hour
through a busy intersection at different times of the day
for a month. This data would be most useful to analyze
which of the following:


1. What is the largest organ in the human body by - Skin
surface area?


1. Which of the following describes the function of - Ligaments attach two bones
ligaments?


1. What is the difference between innate and adaptive - Innate immunity is present at birth while adaptive immunity is acquired after
immunity? exposure to pathogens.


1. Which of the following is responsible for carrying - tRNA
amino acids to ribosomes during protein synthesis?


1. What are the steps involved in the scientific method? - Observation, hypothesis, prediction, experimentation, analysis, conclusion.


1. What is the difference between a solid and a liquid? - Solids have a definite shape and volume while liquids have a definite volume
but no fixed shape.


1. Which part of the respiratory system is responsible for - Diaphragm
regulating breathing rate and depth?




1. What is the difference between a monosaccharide - Monosaccharides are simple sugars that cannot be further broken down into
and a disaccharide? simpler sugars while disaccharides are composed of two simple sugars.


1. Which of the following is the process by which DNA is - Transcription
copied into RNA?


1. What is the role of calcium in muscle contraction? - Calcium is released from the sarcoplasmic reticulum to initiate the sliding of
actin and myosin filaments.


1. What is the name of the dome-shaped muscle that - Diaphragm
plays a key role in breathing?


1. What is the role of the epididymis in sperm - The epididymis stores and protects sperm cells until ejaculation.
maturation?


1. Which of the following is a function of the respiratory - Exchange of gases between the body and the environment
system?

, ATI TEAS 7 Science Exam
1. What is the difference between isotonic and isometric - Isotonic contractions produce movement while isometric contractions
muscle contractions? produce no movement.


Which of the following is a characteristic of innate - It provides immediate, non-specific protection.
immunity


1. Which of the following is NOT one of the four primary - Exocrine glandular
tissue types found in the human body?




1. Which of the following is a type of genetic mutation - Frameshift mutation
that involves the insertion or deletion of one or more
nucleotides in a DNA sequence?


1. Which of the following describes the process of - Movement of water molecules from an area of high concentration to an area
osmosis? of low concentration through a selectively permeable membrane.


1. Which of the following is a chemical property of a - Reactivity with acid
substance?


1. Which statement best defines the difference between - A physical change involves the rearrangement of atoms and molecules while
a physical change and a chemical change? a chemical change involves the formation of new substances with different
chemical properties.


1. During embryonic development, which of the - Ectoderm
following germ layers forms the nervous system?


1. What is the primary pigment responsible for - Chlorophyll a
photosynthesis in plants?


1. Which of the following is an example of an - Burning wood
exothermic reaction?


1. Which of the following statements is true regarding - Vaccines work by exposing the individual to a weakened or inactivated form
vaccines? of the pathogen


1. What is the function of ribosomes in a cell? - To synthesize proteins in the cell

, ATI TEAS 7 Science Exam
1. Which of the following is an example of a double- - Both participants and researchers do not know which group participants are
blind study? assigned to


1. What is the name of the hormone that regulates - Insulin
blood sugar levels in the human body?


1. What is the primary physiological function of - Transportation of oxygen to body tissues
erythrocytes in the human circulatory system?


1. What is the name of the joint that allows for rotation - Shoulder joint
of the arm at the shoulder?


1. What is the name of the valve that separates the left - Mitral valve
atrium and left ventricle in the heart?


1. What is the molecular geometry of a molecule of - Bent
sulphur dioxide (SO2)?


1. What is the name of the genetic disorder caused by - Down syndrome
the presence of an extra chromosome 21?


1. Which of the following types of RNA carries amino - Transfer RNA
acids to the ribosome during protein synthesis?


1. What are the five regions of the vertebral column, - Cervical, thoracic, lumbar, sacral, coccygeal
starting from the top and moving downwards?




1. Which of the following are the two major parts of the - Peripheral nervous system and central nervous system.
nervous system?


1. The measurement indicated by the line across the - Diameter
center of the cell is best referred to as which of the
following?


1. Which of the following ions binds to the troponin - Calcium
complex, initiating contraction of a muscle?


1. Which of the following microorganisms lack their own - Viruses
metabolic pathways and can only reproduce inside of a
host cell?


1. Which of the following is the atomic number of an - 12
atom that has 12 protons and 12 neutrons?