Chemistry for Allied Health Question
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Course Introduction
Chemistry for Allied Health is an introductory course designed to provide students with a foundational understanding of chemical principles as they apply to health and medical fields. The course covers essential topics such as atomic and molecular structure, chemical bonding, solutions, acids and bases, and basic biochemistry. Emphasis is placed on the real-world application of these concepts in physiological processes, pharmacology, and the clinical laboratory environment. Through a combination of lectures, laboratory work, and practical examples, students gain the chemical knowledge necessary for success in allied health professions such as nursing, medical technology, and physical therapy.
Recommended Textbook
Introductory Chemistry 6th Edition by Nivaldo J. Tro
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2138 Verified Questions
2138 Flashcards
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Chapter 1: The Chemical World
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Sample Questions
Q1) Which of the following is an example of a scientific law?
A)All matter is composed of small,indestructible particles called atoms.
B)In a chemical reaction,matter is neither created nor destroyed.
C)When a can of soda pop is opened,a fizzing sound is heard.
D)Flammable objects contain phlogiston.
E)none of the above
Answer: B
Q2) Different molecules can have different shapes.
A)True
B)False
Answer: True
Q3) A theory can only exist after many experiments have validated a hypothesis.
A)True
B)False
Answer: True
Q4) A scientific law is a brief statement that summarizes past observations and predicts future ones.
A)True
B)False
Answer: True
Page 3
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Chapter 2: Measurement and Problem Solving
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Sample Questions
Q1) A room has dimensions of 10.0 ft × 20.0 ft × 8.00 ft.Given that there are three feet in a yard,what is the volume of the room in yd<sup>3</sup>?
A)178
B)59.3
C)1.60 × 10<sup>3</sup>
D)533
E)none of the above
Answer: B
Q2) The prefix in the name of a polygon indicates how many sides this geometric figure has,so a "decagon" would have ten sides.
A)True
B)False
Answer: True
Q3) Conversion factors are constructed from any two quantities known to be equivalent. A)True
B)False
Answer: True
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4
Chapter 3: Matter and Energy
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Sample Questions
Q1) What is the value of 27°C on the Kelvin temperature scale?
A)273
B)246
C)300
D)81
E)none of the above
Answer: C
Q2) An energy diagram that shows the products having higher energy than the reactants illustrates an endothermic reaction.
A)True
B)False
Answer: True
Q3) Which of the following items is a chemical property?
A)the paint color on a new red Corvette
B)the odor of spearmint gum
C)the melting and boiling point of water
D)the tarnishing of a copper statue
E)none of the above
Answer: D
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Page 5
Chapter 4: Atoms and Elements
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Sample Questions
Q1) Halogens form anions with a 1- charge.
A)True
B)False
Q2) The names of the elements whose symbols are Si,P,Mn,and S are respectively:
A)silicon,potassium,magnesium,and sulfur.
B)silver,phosphorus,magnesium,and sulfur.
C)silicon,phosphorus,manganese,and sulfur.
D)silicon,phosphorus,magnesium,and sulfur.
E)silicon,potassium,magnesium,and sodium.
Q3) The elements within a group on the periodic table tend to have similar properties.
A)True
B)False
Q4) The nucleus of an atom consists mainly of:
A)neutrons and electrons.
B)protons and electrons.
C)protons and neutrons.
D)protons,neutrons,and electrons.
E)none of the above
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Chapter 5: Molecules and Compounds
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Sample Questions
Q1) A compound has a formula mass of 61.98 amu and is comprised of atoms of sodium and oxygen in a definite ratio.The name of the compound described here is:
A)sodium monoxide.
B)disodium oxide.
C)sodium oxide.
D)sodium dioxide.
E)none of the above
Q2) The ionic compound that forms between aluminum and oxygen is AlO.
A)True
B)False
Q3) The ionic compound MgO is named manganese oxide.
A)True
B)False
Q4) Molecular elements do not exist in nature.
A)True
B)False
Q5) The subscripts in a chemical formula do not change for a given compound. A)True
B)False
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Chapter 6: Chemical Composition
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Sample Questions
Q1) Bauxite is an ore that contains the element aluminum.If you obtained 108 grams of aluminum from an ore sample that initially weighed 204 grams,what is the mass percent of aluminum in this bauxite ore?
A)52.9
B)15.6
C)0.53
D)47.1
E)none of the above
Q2) What is the mass (in grams)of 1.95 moles of water ?
A)18.02
B)9.24
C)35.1
D)6.022 × 10<sup>23</sup>
E)none of the above
Q3) One mole of chlorine gas has a mass of 35.45 grams. A)True B)False
Q4) One mole of lead(II)nitrate contains six moles of oxygen atoms. A)True
B)False
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Chapter 7: Chemical Reactions
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Sample Questions
Q1) The following equation IS balanced: HNO<sub>3</sub> + NaHSO<sub>3</sub> NaNO<sub>3 </sub>+ H<sub>2</sub>O<sub> </sub>+ SO<sub>2 </sub>
A)True
B)False
Q2) The reaction 2 KClO<sub>3</sub> 2 KCl + 3 O<sub>2</sub> would be correctly classified as a decomposition reaction.
A)True
B)False
Q3) When water is heated,bubbles form in the water.Is this evidence of a chemical reaction? Why?
A)No,boiling water is a physical change.
B)Yes,the formation of a gas is evidence of a chemical reaction.
C)No,the formation of gas bubbles is a secondary chemical reaction which is ignored.
D)Yes,the formation of a gas is proof a new compound has been made.
E)none of the above
Q4) Combustion reactions are a subcategory of oxidation-reduction reactions.
A)True
B)False
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Page 9
Chapter 8: Quantities in Chemical Reactions
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Sample Questions
Q1) The average global temperature depends on all factors EXCEPT what?
A)the amount of incoming sunlight
B)the amount of outgoing heat lost to space
C)the amount of greenhouse gases
D)the angle of the earth's surface in relation to the incoming sunlight
E)All of the above are factors.
Q2) For the following reaction you have 8 grams of hydrogen and 2 grams of oxygen. 2H<sub>2</sub> + O<sub>2</sub> 2H<sub>2</sub>O
The excess reactant is the oxygen.
A)True
B)False
Q3) Given the recipe: 2 cups flour + 1 egg + 3 oz blueberries 4 muffins
If you have 5 cups of flour,3 eggs and plenty of blueberries,the limiting reactant is the eggs.
A)True
B)False
Q4) The limiting reactant is the product that is completely consumed in a chemical reaction.
A)True
B)False
Page 10
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Chapter 9: Electrons in Atoms and the Periodic Table
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Sample Questions
Q1) The subshell that has three orbitals and can hold up to six electrons is the:
A)s subshell
B)p subshell
C)d subshell
D)f subshell
E)none of the above
Q2) A red shirt appears red to our eyes because the shirt absorbs the red wavelengths of visible light.
A)True
B)False
Q3) The principal quantum number (n):
A)specifies the 3-D shape of the orbital.
B)specifies the subshell of the orbital.
C)specifies the maximum number of electrons.
D)specifies the principal shell of the orbital.
E)none of the above
Q4) A photon represents the mass of a single particle of light.
A)True
B)False
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Chapter 10: Chemical Bonding
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Sample Questions
Q1) The Lewis model predicts that the formula for a compound between fluorine and calcium is:
A)CaF
B)Ca<sub>2</sub>F
C)CaF<sub>2</sub>
D)CaF<sub>3</sub>
E)none of the above
Q2) Which substance listed below is a polar molecule?
A)NH<sub>4</sub><sup>+</sup>
B)Cl<sub>2</sub>O
C)SiCl<sub>4</sub>
D)all of the compounds
E)none of the compounds
Q3) What is the angle between electron groups in the tetrahedral geometry?
A)90°
B)109.5°
C)120°
D)180°
E)not enough information
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Page 12
Chapter 11: Gases
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Sample Questions
Q1) What is the equivalent pressure of 968 mm Hg in units of atm?
A)1.27 atm
B)0.785 atm
C)968 atm
D)1.30 atm
E)none of the above
Q2) A 325 mL sample of gas is initially at a pressure of 721 torr and a temperature of 32°C.If this gas is compressed to a volume of 286 mL and the pressure increases to 901 torr,what will be the new temperature of the gas (reported to three significant figures in °C)?
A)35.2°C
B)335°C
C)62.4°C
D)215°C
E)none of the above
Q3) Gas particles act independently of each other.
A)True
B)False
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13
Chapter 12: Liquids, solids, and Intermolecular Forces
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Sample Questions
Q1) What types of forces exist between I<sub>2</sub> molecules?
A)dispersion forces
B)dipole-dipole forces
C)hydrogen bonding
D)ion-dipole forces
E)none of the above
Q2) The ability of sodium chloride to mix with water is most likely due to:
A)dispersion force
B)ion-dipole force
C)dipole-dipole force
D)hydrogen bonding
E)none of the above
Q3) Compare a small pot of water that is boiling vigorously to a large pot of water that is boiling gently.Which statement is TRUE?
A)The small pot is boiling at higher temperature than the large pot.
B)The large pot is boiling at a higher temperature than the small pot.
C)Both pots are boiling at the same temperature.
D)The vapor pressure of the liquid is greater than the pressure above the pot in each case.
E)none of the above
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Chapter 13: Solutions
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Sample Questions
Q1) How many grams of KCl are present in 75.0 mL of 2.10 M KCI?
A)5.59
B)117
C)2.66
D)11.7
E)none of the above
Q2) How many moles of KCl are present in 95.3 mL of 2.10 M KCl?
A)0.0500
B)5.00
C)20.0
D)0.200
E)none of the above
Q3) Calculate the mass percent of a NaCl solution prepared by mixing 47.0 g NaCl with 125.0 mL of pure water.
A)27.3
B)72.3
C)47.0
D)37.6
E)none of the above
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Chapter 14: Acids and Bases
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Sample Questions
Q1) What is the conjugate base of H<sub>2</sub>O?
A) O<sup>2-</sup>
B) H<sub>3</sub>O<sup>+</sup>
C)NaOH
D)OH
E)none of the above
Q2) When a metal reacts with an acid it produces salt and water.
A)True
B)False
Q3) A solution with a concentration of 0.000 000 1 M HCl would be an acidic solution.
A)True
B)False
Q4) Bases have a bitter taste.
A)True
B)False
Q5) The products of a neutralization reaction are carbon dioxide and water.
A)True
B)False
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Chapter 15: Chemical Equilibrium
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Sample Questions
Q1) What happens to the equilibrium position of an endothermic reaction when you remove heat?
A)shifts to the left
B)shifts to the right
C)does nothing
D)doubles
E)halves
Q2) A system is said to be in dynamic equilibrium when:
A)there is no longer any net change in the concentrations of products or reactants.
B)the forward and reverse reactions come to a halt.
C)the sum of the concentrations of the reactants is equal to the sum of the concentrations of the products.
D)you have let the reaction proceed for approximately 30 minutes and can assume there will be no more changes.
E)none of the above
Q3) Reaction rates generally increase as a reaction proceeds.
A)True
B)False
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17
Chapter 16: Oxidation and Reduction
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Sample Questions
Q1) What is the oxidation state of the underlined atom in the compound:
H<sub>2</sub>SO<sub>4</sub> ?
A)+1
B)+2
C)-2
D)+6
E)+4
Q2) Corrosion can be defined as the reduction of metals.
A)True
B)False
Q3) Gold metal is found at the bottom of the activity series of metals since it is the most difficult metal to oxidize.
A)True
B)False
Q4) Reduction typically involves:
A)the loss of electrons.
B)the gain of oxygen.
C)the gain of electrons.
D)the gain of water.
E)none of the above
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Chapter 17: Radioactivity and Nuclear Chemistry
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Sample Questions
Q1) All elements with atomic numbers above bismuth are naturally radioactive.
A)True
B)False
Q2) Which fact about carbon-14 dating is FALSE?
A)C-14 is formed by neutron bombardment of nitrogen in the upper atmosphere.
B)C-14 dating can only work on items that come from a living source.
C)C-14 dating only works as far back as 50,000 years.
D)C-14 accuracy is verified by dating antique items of a known age.
E)All of the above statements are true.
Q3) During the first half-life you lose half of the radioactive material,during the second half life you lose the remaining half.
A)True
B)False
Q4) Carbon-14 dating is not dependable when attempting to date objects that are more than 50,000 years old.
A)True
B)False
Q5) All unstable elements have the same rates of radioactive decay.
A)True
B)False
Page 19
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Chapter 18: Organic Chemistry
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Sample Questions
Q1) The reaction CH<sub>3</sub>CH<sub>3</sub> + Br<sub>2</sub>
CH<sub>3</sub>CH<sub>2</sub>Br + HBr would best be described as:
A)substitution.
B)combustion.
C)addition.
D)hydrogenation.
E)none of the above
Q2) The study of carbon-containing compounds and their reactions is called carbonyl chemistry.
A)True
B)False
Q3) A compound named "propanal" would be classified as an: A)alcohol. B)amine.
C)aldehyde.
D)ether.
E)none of the above
Q4) Organic compounds have to come from living things. A)True
B)False
Page 20
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Chapter 19: Biochemistry
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Sample Questions
Q1) The many OH groups present in carbohydrates such as glucose make them quite insoluble in water and blood.
A)True
B)False
Q2) The synthesis of a protein involves:
A)DNA transfers the code to m-RNA which then goes to the nucleus to synthesize the protein.
B)DNA transfers the code to m-RNA which then goes to the mitochondria to synthesize the protein.
C)DNA transfers the code to m-RNA which then goes to the ribosome to synthesize the protein.
D)DNA transfers the code to m-RNA which then goes to the codon to synthesize the protein.
E)none of the above
Q3) Which of the following is a complex carbohydrate?
A)monosaccharide
B)disaccharide
C)polysaccharide
D)all of these
E)none of these
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