Human Anatomy & Physiology 1
Pearson Exam 1 Questions and
Answers Updated 2026
When activated, lysosomes function in - Answer digestion of materials
Which organ system removes carbon dioxide from the bloodstream? - Answer respiratory
Functions of the plasma membrane include all of the following except - Answer thermal
insulation
Stored energy that has the ability to do work is called - Answer potential energy.
The kidneys and ureters are organs of the ________ system. - Answer urinary
Which organ system provides support, protection of soft tissue, mineral storage, and blood
formation? - Answer skeletal
Anatomical features that change during illness are studied in ________ anatomy. - Answer
pathological
The nucleus is surrounded by the - Answer nuclear envelope.
Cell membranes are said to be ________ because they allow some substances to pass but
not others. - Answer selectively permeable
Skin, hair, and nails are associated with the ________ system. - Answer integumentary
By weight, which element is the most plentiful in the human body? - Answer oxygen
, AB → A + B is to decomposition as A + B → AB is to - Answer synthesis
Cytology is the study of - Answer the structure and function of cells.
The reaction A + B + energy → AB is an example of a(n) ________ reaction. - Answer
endergonic
When electrons are transferred from one atom to another, and the two atoms unite as a
result of the opposite charges, a(n) ________ is formed. - Answer ionic bond
The movement of oxygen from an area of high concentration to an area of low concentration
is an example of - Answer diffusion.
Molecules that do not readily interact with water are called - Answer hydrophobic
The diaphragm muscle separates the ________ from the ________. - Answer thoracic cavity;
abdominopelvic cavity
The "atomic number" of an atom is determined by the number of ________ it has. - Answer
protons
The nucleus of an atom consists of - Answer protons + neutrons.
Chemical reactions that occur in the body are accelerated by - Answer enzymes
Which of the following functional groups is the hydroxyl group? - Answer -OH
Which of the following terms refers to the foot? - Answer pedal
Pearson Exam 1 Questions and
Answers Updated 2026
When activated, lysosomes function in - Answer digestion of materials
Which organ system removes carbon dioxide from the bloodstream? - Answer respiratory
Functions of the plasma membrane include all of the following except - Answer thermal
insulation
Stored energy that has the ability to do work is called - Answer potential energy.
The kidneys and ureters are organs of the ________ system. - Answer urinary
Which organ system provides support, protection of soft tissue, mineral storage, and blood
formation? - Answer skeletal
Anatomical features that change during illness are studied in ________ anatomy. - Answer
pathological
The nucleus is surrounded by the - Answer nuclear envelope.
Cell membranes are said to be ________ because they allow some substances to pass but
not others. - Answer selectively permeable
Skin, hair, and nails are associated with the ________ system. - Answer integumentary
By weight, which element is the most plentiful in the human body? - Answer oxygen
, AB → A + B is to decomposition as A + B → AB is to - Answer synthesis
Cytology is the study of - Answer the structure and function of cells.
The reaction A + B + energy → AB is an example of a(n) ________ reaction. - Answer
endergonic
When electrons are transferred from one atom to another, and the two atoms unite as a
result of the opposite charges, a(n) ________ is formed. - Answer ionic bond
The movement of oxygen from an area of high concentration to an area of low concentration
is an example of - Answer diffusion.
Molecules that do not readily interact with water are called - Answer hydrophobic
The diaphragm muscle separates the ________ from the ________. - Answer thoracic cavity;
abdominopelvic cavity
The "atomic number" of an atom is determined by the number of ________ it has. - Answer
protons
The nucleus of an atom consists of - Answer protons + neutrons.
Chemical reactions that occur in the body are accelerated by - Answer enzymes
Which of the following functional groups is the hydroxyl group? - Answer -OH
Which of the following terms refers to the foot? - Answer pedal
