Bio 207 Final Exam/ Anatomy and physiology 207 Final Exam. Answered.Water accounts for 1/3 of the weight of an adult human.
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True
False
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The correct answer is 'False'.
Question 2
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What type of chemical reaction occurs when pairs of two different molecules trade positions?
Select one:
a. decomposition
b. irreversible
c. exchange
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d. synthesis
e. reversible
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The correct answer is: exchange
Question 3
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What happens to the pH number when hydrogen ion concentration increases?
Select one:
a. it approaches 14
b. it becomes negative
c. it gets
d. it gets smaller
e. it stays the same
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The correct answer is: it gets smaller
Question 4
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The spaces that electrons of an atom occupy are called _______.
Select one:
a. bonds.
b. regions.
c. ions.
d. nuclei.
e. shells.
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The correct answer is: shells.
Question 5
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Alkalosis occurs if a person’s blood pH _ (blank) _.
Select one:
a. drops below 7.0.
b. drops below 7.4.
c. rises above 7.4.
d. rises above 7.0.
e. steadily decreases.
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The correct answer is: rises above 7.4.
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Oxygen is an example of a compound.
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True
False
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The correct answer is 'False'.
Question 7
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The number of ________ vary in atoms of the isotopes of a particular element.
Select one:
a. electron shells.
b. protons.
c. neutrons.
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d. electrons.
e. nuclei.
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The correct answer is: neutrons.
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Describe the meaning of the formula H2O.
Select one:
a. a molecule contains 2 hydrogen atoms and no oxygen atoms.
b. a molecule contains 2 hydrogen atoms and 1 oxygen atom.
c. an atom contains 1 hydrogen atom and 2 oxygen molecules.
d. an atom contains 2 hydrogen molecules and 1 oxygen molecule.
e. a molecule contains 1 hydrogen atom and 2 oxygen atoms.
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The correct answer is: a molecule contains 2 hydrogen atoms and 1 oxygen atom.
Question 9
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The elbow is _____ to the wrist.
Select one:
a. lateral
b. distal
c. ventral
d. proximal
e. dorsal
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The correct answer is: proximal [Show Less]