Hesi Science Practice, HESI A2
SCIENCE Exam Questions and
Answers 100% Pass
The compound NaCl stands for: - ANSWER-Sodium Chloride
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
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,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
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, _____ 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
The atomic number of an element is classified by the number of _____ in the
atoms nucleus. - ANSWER-Protons
How many electrons are found in the second shell of an atom, if the atom is filled
to capacity in the second shell? - ANSWER-8
Elements are made of small particles known as _____. - ANSWER-Atoms
How many electrons are found in the first shell of an atom, if the atom is filled to
capacity in the first shell? - ANSWER-2
Which element's symbol is Au? - ANSWER-Gold
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SCIENCE Exam Questions and
Answers 100% Pass
The compound NaCl stands for: - ANSWER-Sodium Chloride
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
©️COPYRIGHT 2025, ALL RIGHTS RESERVED. 1
,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
©️COPYRIGHT 2025, ALL RIGHTS RESERVED. 2
, _____ 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
The atomic number of an element is classified by the number of _____ in the
atoms nucleus. - ANSWER-Protons
How many electrons are found in the second shell of an atom, if the atom is filled
to capacity in the second shell? - ANSWER-8
Elements are made of small particles known as _____. - ANSWER-Atoms
How many electrons are found in the first shell of an atom, if the atom is filled to
capacity in the first shell? - ANSWER-2
Which element's symbol is Au? - ANSWER-Gold
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