Week 2

Why is chemistry important in the study of Anatomy & Physiology?

• It helps understand movement

• All anatomical structures and physiological processes are based on chemical reactions

• It explains how muscles contract

• It is used to classify different tissues

What branch of chemistry focuses on explaining physiological and disease processes?

• organic chemistry

• Biochemistry

• physical chemistry

• analytical chemistry

What is matter?

• Anything that has mass and occupies space

• Only solid objects

• a type of energy

• a gas that has no mass

Which of the following is NOT a state of matter?

• solid

• liquid

• plasma

• energy

What is the central part of an atom that contains protons and neutrons?

• electron cloud

• nucleus

• orbital shell

• molecule

What charge does a neutron carry?

• positive

• negative

• no charge

• positive & negative

What determines the atomic number of an element?

• number of neutrons

• number of protons

• number of electrons

• number of molecules

Atomic weight is determined by:

• number of protons & electrons

• number of electrons only

• number of protons & neutrons

• number of atoms in molecule

Isotopes are atoms of the same element that have:

• 1. The same number of protons but different numbers of neutrons

• 1. Different numbers of protons and electrons

• 1. The same atomic weight but different atomic numbers

• 1. The same number of neutrons but different numbers of electrons

What type of bond forms when electrons are shared between atoms?

• 1. lonic bond

• 1. Covalent bond

• 1. Hydrogen bond

• 1. Metallic bond