HESI A2 SCIENCE ACTUAL EXAM QUESTIONS
WITH ACCURATE VERIFIED ANSWERS 2026
◉ Household ammonia and human blood are considered What? Acid
or Base Answer: Bases
◉ Human blood is what percent water? Answer: 91.5
◉ ________ is the changing of substances into a different form that
entered the body. Answer: Assimilation
◉ When atoms of different elements combine what is formed?
Answer: Compounds
◉ What reaction correlates with the given chemical reaction?
AB+CD -> AD + CB Answer: Exchange reaction
◉ What reaction correlates with the given chemical reaction?
AB -> A+B Answer: Decomposition reaction
◉ What is the firmest type of connective tissue Answer: Bone
,◉ Which of the following is not a characteristic of smooth muscle?
Involuntary muscle contraction
Found in blood vessels
Cells lack striations
Presence of an intercalated disk Answer: Presence of an intercalated
disk
◉ What is the correct sequence of mitosis? Answer: Prophase,
metaphase, anaphase, telophase
◉ At what point during mitosis does the chromosome (chromatids)
separate? Answer: Anaphase
◉ The process of a white blood cell engulfing a bacterial cell is ______.
Answer: Phagocytosis
◉ What is considered the building blocks of protein? Answer: Amino
acids
◉ Which of the following is not a characteristic of proteins? Answer:
Breakdown fats
, ◉ Lactose is considered what type of sugar? Answer: Double sugar
◉ What is an object's resistance to change in motion? Answer:
Inertia
◉ _____ is the rate at which work is done. Answer: Power
◉ _____ is the product of the velocity and mass of an object. Answer:
Momentum
◉ An object will continue in a state of rest, unless it is acted upon by
an unbalanced force. Which of newtons laws is this? Answer: First
◉ Homeostasis control of body functions is done through a system
known as? Answer: negative feedback
◉ Different tissues make up _____. Answer: Organs
◉ What system is the parathyroid and adrenal glands in? Answer:
endocrine system
◉ Atoms that gain or lose electrons are called ____. Answer: Ions
WITH ACCURATE VERIFIED ANSWERS 2026
◉ Household ammonia and human blood are considered What? Acid
or Base Answer: Bases
◉ Human blood is what percent water? Answer: 91.5
◉ ________ is the changing of substances into a different form that
entered the body. Answer: Assimilation
◉ When atoms of different elements combine what is formed?
Answer: Compounds
◉ What reaction correlates with the given chemical reaction?
AB+CD -> AD + CB Answer: Exchange reaction
◉ What reaction correlates with the given chemical reaction?
AB -> A+B Answer: Decomposition reaction
◉ What is the firmest type of connective tissue Answer: Bone
,◉ Which of the following is not a characteristic of smooth muscle?
Involuntary muscle contraction
Found in blood vessels
Cells lack striations
Presence of an intercalated disk Answer: Presence of an intercalated
disk
◉ What is the correct sequence of mitosis? Answer: Prophase,
metaphase, anaphase, telophase
◉ At what point during mitosis does the chromosome (chromatids)
separate? Answer: Anaphase
◉ The process of a white blood cell engulfing a bacterial cell is ______.
Answer: Phagocytosis
◉ What is considered the building blocks of protein? Answer: Amino
acids
◉ Which of the following is not a characteristic of proteins? Answer:
Breakdown fats
, ◉ Lactose is considered what type of sugar? Answer: Double sugar
◉ What is an object's resistance to change in motion? Answer:
Inertia
◉ _____ is the rate at which work is done. Answer: Power
◉ _____ is the product of the velocity and mass of an object. Answer:
Momentum
◉ An object will continue in a state of rest, unless it is acted upon by
an unbalanced force. Which of newtons laws is this? Answer: First
◉ Homeostasis control of body functions is done through a system
known as? Answer: negative feedback
◉ Different tissues make up _____. Answer: Organs
◉ What system is the parathyroid and adrenal glands in? Answer:
endocrine system
◉ Atoms that gain or lose electrons are called ____. Answer: Ions
