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IVY TECH APHY 101 MIDTERM QUESTIONS AND ANSWERS

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IVY TECH APHY 101 MIDTERM QUESTIONS AND ANSWERS

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  • September 4, 2024
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  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • IVY TECH APHY 101
  • IVY TECH APHY 101
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IVY TECH APHY
101 MIDTERM
QUESTIONS AND
ANSWERS
What is the difference between anatomy and physiology? - Answers -Anatomy is the
study of structure of body parts/Physiology is the study of function of body parts

What are the levels of organization? Define each. - Answers -Organelles, cells, tissues,
organs, and organ systems

What are the characteristics of life? Define each. - Answers -Movement,
Responsiveness, Growth, Reproduction, Respiration, Digestion, Absorption, Circulation,
Assimilation, Excretion.

What are the requirements of life? Why is each important? - Answers -Water, food,
oxygen, heat and pressure

Define homeostasis. - Answers -The body's ability to keep its internal conditions stable,
so that it's cells can survive.

What is a homeostatic mechanism? - Answers -Receptors control center effectors

Define Matter? - Answers -Matter-Anything that has mass and takes up space

Element? - Answers -A substance that cannot be broken down into simpler substances
by chemical means.

Atom? - Answers -The smallest particle that exhibits the chemical properties of an
element

What is the basic unit of matter? - Answers -Atom

, What is the structure of an atom? - Answers -Protons and neutrons

Define nucleus. - Answers -Nucleus-it carries DNA it is responsible for reproduction and
making protein; it also has two layers

Proton? - Answers -Positive charged elementary particle.

Neutron? - Answers -Same as proton with no charge.

Electron? - Answers -A subatomic particle that has a negative charge

What are covalent, ionic and hydrogen bonds? What are the differences among the
three? - Answers -Covalent- when atoms share electrons

Ionic-when cations and anions bind together

hydrogen-A weak attraction formed when a hydrogen atom of one molecule is attracted
to a slightly negative atom within either the same molecule or a different molecule

Define synthesis, decomposition and exchange reactions. - Answers -Synthesis-The
production of chemical compounds by reaction from simpler materials

Decomposition-The breakdown is the separation of a chemical compound into elements
of simpler compounds

Exchange-a chemical reaction in which both synthesis and decomposition occur,
chemical bonds are both formed and broken, and chemical energy is absorbed, stored,
and released

What is a reactant? A Product? - Answers -Reactant-A substance that takes part in and
undergoes change during a reaction

Product-The substances that result from this recombination of atoms

Define catalyst. - Answers -a substance that increases the rate of a chemical reaction
without itself undergoing any permanent chemical change.

What happens and what is produced when salt dissolve in water? - Answers -Water
dissolves salt because the negative part of a water molecule, the oxygen part, is
attracted to the positive part of the salt, the sodium part. The positive part of the water
molecule, the hydrogen part, is attracted to the negative part of the salt, the chlorine
part. Dissolving happens when the attractions between the water molecules and the
sodium chloride ions overcome the attraction of the ions to each other, causing the ions
to separate from each other and mix into the water.

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