APHY 201 CH 1, 2: HOMEOSTASIS, CHEMISTRY IVY
TECH UPDATED ACTUAL QUESTIONS AND CORRECT
ANSWERS
Question:
1. explain why chemistry is an important part of the study of
physiology
Answer:
all the cells in your organs are composed of chemicals and chemical reactions are
involved in all of your body's movements and cycles
Question:
2. Anything that occupies space and has mass; the physical material of the universe
Answer:
matter
Question:
3. a pure substance that cannot be created or broken down by ordinary chemical
means
Answer:
element
,Question:
4. most abundant elements in humans
Answer:
oxygen (O), carbon (C), hydrogen (H), nitrogen (N)
Question:
5. substance composed of two or more elements joined by chemical bonds
Answer:
compound
Question:
6. A subatomic particle that has a positive charge and that is found in the nucleus of
an atom
Answer:
proton
, Question:
7. A subatomic particle that has no charge and that is found in the nucleus of an
atom
Answer:
neutron
Question:
8. A subatomic particle that has a negative charge and found outside the nucleus
Answer:
electron
Question:
9. center of an atom, contains protons and neutrons
Answer:
nucleus
TECH UPDATED ACTUAL QUESTIONS AND CORRECT
ANSWERS
Question:
1. explain why chemistry is an important part of the study of
physiology
Answer:
all the cells in your organs are composed of chemicals and chemical reactions are
involved in all of your body's movements and cycles
Question:
2. Anything that occupies space and has mass; the physical material of the universe
Answer:
matter
Question:
3. a pure substance that cannot be created or broken down by ordinary chemical
means
Answer:
element
,Question:
4. most abundant elements in humans
Answer:
oxygen (O), carbon (C), hydrogen (H), nitrogen (N)
Question:
5. substance composed of two or more elements joined by chemical bonds
Answer:
compound
Question:
6. A subatomic particle that has a positive charge and that is found in the nucleus of
an atom
Answer:
proton
, Question:
7. A subatomic particle that has no charge and that is found in the nucleus of an
atom
Answer:
neutron
Question:
8. A subatomic particle that has a negative charge and found outside the nucleus
Answer:
electron
Question:
9. center of an atom, contains protons and neutrons
Answer:
nucleus