ATI TEAS 7: SCIENCE LATEST 2025 UPDATE WITH QUESTIONS
AND VERIFIED ANSWERS ALREADY GRADED A+
What is the difference between a solid and a liquid?
A) Solids have a definite shape & volume while liquids have a definite volume but no fixed
shape.
B) Solids have no definite shape or volume while liquids have a definite volume and & the shape
of their container.
C) Solids & liquids have the same physical properties.
D)Solids have a definite volume but take the shape of their container while liquids have a
definite shape and volume. - ANSWER-A) Solids have a definite shape & volume while liquids
have a definite volume but no fixed shape.
Which part of the respiratory system is responsible for regulating breathing rate & depth?
A) Bronchi
B) Alveoli
C) Diaphragm
D) Trachea - ANSWER-C) Diaphragm
What is the difference between a monosaccharide & a disaccharide?
A) Monosaccharides are composed of two sugar molecules while disaccharides are composed of
a single sugar molecule.
B) Monosaccharides are simple sugars that cannot be further broken down into simpler sugars
while disaccharides are composed of two simple sugars.
, ATI TEAS 7: SCIENCE LATEST 2025 UPDATE
C) Monosaccharides are only found in plants while disaccharides are only found in animals. -
ANSWER-B) Monosaccharides are simple sugars that cannot be further broken down into
simpler sugars while disaccharides are composed of two simple sugars.
Which of the following is the process by which DNA is copied into RNA?
A) Replication
B) Transcription
C) Translation
C) Mutation - ANSWER-B) Transcription
What is the role of calcium in muscle contraction?
A) Calcium binds to tropomyosin to expose the myosin-binding sites on actin.
B) Calcium is released from the sarcoplasmic reticulum to initiate the sliding of actin and myosin
filaments.
C) Calcium activates the motor neurons to stimulate muscle contraction.
D) Calcium is required for the relaxation of muscles after contraction. - ANSWER-B) Calcium is
released from the sarcoplasmic reticulum to initiate the sliding of actin and myosin filaments.
What is the name of the dome-shaped muscle that plays a key role in breathing?
A) Diaphragm
B) Trachea
C) Bronchus
D) Alveoli - ANSWER-A) Diaphragm
, ATI TEAS 7: SCIENCE LATEST 2025 UPDATE
What is the role of the epididymis in sperm maturation?
A) The epididymis produces sperm cells.
B) The epididymis stores & protects sperm cells until ejaculation.
C) The epididymis is responsible for the transport of sperm cells from the testes to the urethra.
D) The epididymis provides nourishment to sperm cells. - ANSWER-B) The epididymis stores &
protects sperm cells until ejaculation.
Which of the following is a function of the respiratory system?
A) Transport of nutrients to the body
B) Pumping of blood to the lungs
C) Exchange of gases between the body & the environment
C) Digestion of food in the stomach - ANSWER-C) Exchange of gases between the body & the
environment
*What is the difference between isotonic & isometric muscle contractions?
A) Isotonic contractions produce no movement while isometric contractions produce
movement.
B) Isotonic contractions produce movement while isometric contractions produce no
movement.
C) Isotonic contractions generate tension in the muscle while isometric contractions involve the
shortening of the muscle fibers.
D) Isotonic contractions involve the contraction of individual muscle fibers while isometric
contractions involve the entire muscle. - ANSWER-B) Isotonic contractions produce movement
while isometric contractions produce no movement.
, ATI TEAS 7: SCIENCE LATEST 2025 UPDATE
Which type of immune response is the body's first line of defense against infections?
A) Adaptive immunity
B) Humoral immunity
C) Innate immunity
D) Cell-mediated immunity - ANSWER-C) Innate immunity
Which of the following is NOT one of the four primary tissue types found in the human body?
A) Epithelial
B) Nervous
C) Connective
D) Exocrine glandular - ANSWER-D) Exocrine glandular
Which of the following is a type of genetic mutation that involves the insertion or deletion of
one or more nucleotides in a DNA sequence?
A) Silent mutation
B) Nonsense mutation
C) Frameshift mutation
D) Missense mutation - ANSWER-C) Frameshift mutation
Which of the following describes the process of osmosis?
A) Movement of substances from an area of high concentration to an area of low concentration.