Anatomy & physiology Chapter 2 quiz
What are the four major elements found in the body that make up 96% of body
mass? - Answer- Carbon, Hydrogen, Oxygen, and Nitrogen
Symbols of the four major elements found in the body? - Answer- C,H,O,N
Subatomic particles that make up atoms include: - Answer- Protons, neutrons, and
electrons
Which has a neutral charge? - Answer- Neutron
What region of an atom contains the protons and neutrons? - Answer- Nucleus
Number of protons or electrons - Answer- Atomic number
As an atom's nucleus decays, it will emit radiation. This is seen in... - Answer-
Radioactive isotopes
This refers to the atomic weight of all naturally occurring isotopes of an element -
Answer- atomic mass
What particle plays a role in creating chemical bonds adn determining the chemical
behavior of atoms? - Answer- electrons
This is an atom or compound with a negative charge (has extra electron) - Answer-
anion
What allows an electrical current to pass? - Answer- Electrolyte solution
This type of chemical bond requires sharing of electron pairs - Answer- Covalent
This is the type of bond between the oxygen and hydrogen atoms that form a water
molecule - Answer- Polar covalent
What is a weak chemical bond that provides the three dimensional structure of large
molecules like proteins and DNA - Answer- Hydrogen bonds
Describes what occurs when new bonds form or old bonds break between atoms -
Answer- chemical reaction
Defined as the capacity to do work - Answer- chemical reaction
This type of reaction wil absorb more energy than it releases - Answer- Endergonic
An enzyme acts to... - Answer- lower the activation energy that is needed
What are the four major elements found in the body that make up 96% of body
mass? - Answer- Carbon, Hydrogen, Oxygen, and Nitrogen
Symbols of the four major elements found in the body? - Answer- C,H,O,N
Subatomic particles that make up atoms include: - Answer- Protons, neutrons, and
electrons
Which has a neutral charge? - Answer- Neutron
What region of an atom contains the protons and neutrons? - Answer- Nucleus
Number of protons or electrons - Answer- Atomic number
As an atom's nucleus decays, it will emit radiation. This is seen in... - Answer-
Radioactive isotopes
This refers to the atomic weight of all naturally occurring isotopes of an element -
Answer- atomic mass
What particle plays a role in creating chemical bonds adn determining the chemical
behavior of atoms? - Answer- electrons
This is an atom or compound with a negative charge (has extra electron) - Answer-
anion
What allows an electrical current to pass? - Answer- Electrolyte solution
This type of chemical bond requires sharing of electron pairs - Answer- Covalent
This is the type of bond between the oxygen and hydrogen atoms that form a water
molecule - Answer- Polar covalent
What is a weak chemical bond that provides the three dimensional structure of large
molecules like proteins and DNA - Answer- Hydrogen bonds
Describes what occurs when new bonds form or old bonds break between atoms -
Answer- chemical reaction
Defined as the capacity to do work - Answer- chemical reaction
This type of reaction wil absorb more energy than it releases - Answer- Endergonic
An enzyme acts to... - Answer- lower the activation energy that is needed
