Question 1

Carbamazepine is an antiepileptic. A typical daily dose is 1.1

Accepted Answer

A)  0.22 mL 
B)  5.5 mL 
C)  22 mL 
D)  220 mL 
E)  5500 mL 
A)  0.22 mL 
B)  5.5 mL 
C)  22 mL 
D)  220 mL 
E)  5500 mL B

Question 2

A child is given 7.5 mL of a liquid pain reliever as a suspension containing 160 mg/5 mL of the pain reliever. How many milligrams of the pain reliever did the child receive?

Accepted Answer

A)  1200 mg 
B)  21 mg 
C)  107 mg 
D)  1.5 mg 
E)  240 mg 
A)  1200 mg 
B)  21 mg 
C)  107 mg 
D)  1.5 mg 
E)  240 mg E

Question 3

The permissible level of arsenic in drinking water is 10 ppb in the United States. What is the maximum mass of arsenic, in grams, allowable in 1 L of drinking water?

Accepted Answer

A)  10 g 
B)  1.0 F1F1F1S1F1F1F10 10-6 g 
C)  1.0 F1F1F1S1F1F1F10 106 g 
D)  1.0 F1F1F1S1F1F1F10 10-5 g 
E)  No amount of arsenic is allowable in drinking water. 
A)  10 g 
B)  1.0 F1F1F1S1F1F1F10 10-6 g 
C)  1.0 F1F1F1S1F1F1F10 106 g 
D)  1.0 F1F1F1S1F1F1F10 10-5 g 
E)  No amount of arsenic is allowable in drinking water. D

Question 4

Which of the following is a heterogeneous mixture?

Accepted Answer

A)  vinegar 
B)  oil and vinegar salad dressing 
C)  lemonade 
D)  bronze 
E)  air 
A)  vinegar 
B)  oil and vinegar salad dressing 
C)  lemonade 
D)  bronze 
E)  air

Question 5

A patient's blood test shows that his chloride level is 101 mmol/L. Convert this concentration to units of molarity.

Accepted Answer

A)  1010 M 
B)  101 M 
C)  10.1 M 
D)  1.01 M 
E)  0.101 M 
A)  1010 M 
B)  101 M 
C)  10.1 M 
D)  1.01 M 
E)  0.101 M

Question 6

Which of the following usually occurs when a molecule dissolves in water?

Accepted Answer

A)  The covalent bonds in the molecule break. 
B)  The covalent bonds in water break. 
C)  Covalent bonds between the molecule and water form. 
D)  Covalent bonds between several of the molecules form. 
E)  Hydrogen bonds form between the molecule and water. 
A)  The covalent bonds in the molecule break. 
B)  The covalent bonds in water break. 
C)  Covalent bonds between the molecule and water form. 
D)  Covalent bonds between several of the molecules form. 
E)  Hydrogen bonds form between the molecule and water.

Question 7

Consider solutions A and B separated by a semipermeable membrane. Which diagram best illustrates what the volumes should look like after osmosis occurs?

Accepted Answer

A) a 
B) b 
C) c 
D) d 
E) e 
A) a 
B) b 
C) c 
D) d 
E) e

Question 8

How many grams of glucose should be weighed out to make 1 liter of a rehydration solution that contains 75 mmol of glucose (the molar mass of glucose is 180 g)?

Accepted Answer

A)  14 g 
B)  1.4 F1F1F1S1F1F1F10 104 g 
C)  0.42 g 
D)  4.2 F1F1F1S1F1F1F10 10F1F1F1S1F1F1F103 g 
E)  4.2 F1F1F1S1F1F1F10 10F1F1F1S1F1F1F104 g 
A)  14 g 
B)  1.4 F1F1F1S1F1F1F10 104 g 
C)  0.42 g 
D)  4.2 F1F1F1S1F1F1F10 10F1F1F1S1F1F1F103 g 
E)  4.2 F1F1F1S1F1F1F10 10F1F1F1S1F1F1F104 g

Question 9

The chart below illustrates the composition of air. According to this chart,

Accepted Answer

A)  nitrogen and oxygen are solutes, while argon and carbon dioxide are solvents. 
B)  carbon dioxide is the only solute in air. 
C)  oxygen, argon, and carbon dioxide are solutes, while nitrogen is the solvent. 
D)  nitrogen is the solute, while oxygen, argon, and carbon dioxide are all solvents. 
E)  nitrogen, oxygen, argon, and carbon dioxide are all solutes in air. 
A)  nitrogen and oxygen are solutes, while argon and carbon dioxide are solvents. 
B)  carbon dioxide is the only solute in air. 
C)  oxygen, argon, and carbon dioxide are solutes, while nitrogen is the solvent. 
D)  nitrogen is the solute, while oxygen, argon, and carbon dioxide are all solvents. 
E)  nitrogen, oxygen, argon, and carbon dioxide are all solutes in air.

Question 10

The purpose of the kidneys is to

Accepted Answer

A)  oxidize drugs. 
B)  store cholesterol. 
C)  digest food. 
D)  remove waste products from blood. 
E)  store urine. 
A)  oxidize drugs. 
B)  store cholesterol. 
C)  digest food. 
D)  remove waste products from blood. 
E)  store urine.

Question 11

Which of the following describes the dissolution of MgCl2 in water?

Accepted Answer

A)  MgCl2 → Mg+ + Cl2F1F1F1S1F1F1F10 
B)  MgCl2 → Mg2+ + Cl22F1F1F1S1F1F1F10 
C)  MgCl2 → Mg+ + ClF1F1F1S1F1F1F10 + Cl 
D)  MgCl2 → Mg2+ + 2ClF1F1F1S1F1F1F10 
E)  MgCl2 → Mg+ + ClF1F1F1S1F1F1F10 
A)  MgCl2 → Mg+ + Cl2F1F1F1S1F1F1F10 
B)  MgCl2 → Mg2+ + Cl22F1F1F1S1F1F1F10 
C)  MgCl2 → Mg+ + ClF1F1F1S1F1F1F10 + Cl 
D)  MgCl2 → Mg2+ + 2ClF1F1F1S1F1F1F10 
E)  MgCl2 → Mg+ + ClF1F1F1S1F1F1F10

Question 12

Consider the two containers below, which are separated by a semipermeable membrane that only allows the passage of small solutes. If A contains 6% NaCl in water and B contains 3% NaCl in water, at what point will diffusion stop?

Accepted Answer

A)  When the volume of water in B is twice as large as the volume of water in C. 
B)  When there is no water left in A. 
C)  When there is no water left in B. 
D)  When the volume of water in A is twice as large as the volume of water in B. 
E)  When the concentration of NaCl is equal in A and B. 
A)  When the volume of water in B is twice as large as the volume of water in C. 
B)  When there is no water left in A. 
C)  When there is no water left in B. 
D)  When the volume of water in A is twice as large as the volume of water in B. 
E)  When the concentration of NaCl is equal in A and B.

Question 13

A solute dissolving in a solvent is a _______ because _______.

Accepted Answer

A)  physical change; covalent bonds are broken in the process 
B)  chemical change; covalent bonds are broken in the process 
C)  chemical change; ionic attractions are broken in the process 
D)  physical change; covalent bonds are not broken in the process 
E)  chemical change; covalent bonds are not broken in the process 
A)  physical change; covalent bonds are broken in the process 
B)  chemical change; covalent bonds are broken in the process 
C)  chemical change; ionic attractions are broken in the process 
D)  physical change; covalent bonds are not broken in the process 
E)  chemical change; covalent bonds are not broken in the process

Question 14

Which term best describes the process illustrated here?

Accepted Answer

A)  mixing 
B)  dialysis 
C)  dilution 
D)  osmosis 
E)  None of the above 
A)  mixing 
B)  dialysis 
C)  dilution 
D)  osmosis 
E)  None of the above

Question 15

Red blood cells are placed into three solutions, each solution a different concentration of NaCl. One solution is isotonic, one is hypotonic and one is hypertonic with red blood cells. In which solution have the blood cells undergone crenation?

Accepted Answer

A)  solution A 
B)  solution B 
C)  solution C 
D)  solutions A and C 
E)  solutions B and C 
A)  solution A 
B)  solution B 
C)  solution C 
D)  solutions A and C 
E)  solutions B and C

Question 16

An order is given to administer 50. mg of furosemide, a diuretic, over the course of 2 hours by IV. If a 500. mL bag contains 200. mg of furosemide, what volume of solution does the patient need to receive over the course of two hours?

Accepted Answer

A)  0.50 mL 
B)  50. mL 
C)  130 mL 
D)  20 mL 
E)  500 mL 
A)  0.50 mL 
B)  50. mL 
C)  130 mL 
D)  20 mL 
E)  500 mL

Question 17

There are many mixtures in the body. The most common ______ for these mixtures is water.

Accepted Answer

A)  solvent 
B)  solute 
C)  medium 
D)  colloid 
E)  solution 
A)  solvent 
B)  solute 
C)  medium 
D)  colloid 
E)  solution

Question 18

A solution is prepared by dissolving 1.5 g of NaCl in enough water to produce a total solution volume of 750 mL. What is the concentration of the solution in % m/v?

Accepted Answer

A)  0.20% 
B)  2.0% 
C)  0.0020% 
D)  500% 
E)  5.0% 
A)  0.20% 
B)  2.0% 
C)  0.0020% 
D)  500% 
E)  5.0%

Question 19

Glucose in the blood is a

Accepted Answer

A)  solution. 
B)  solvent. 
C)  homogenous mixture. 
D)  colloidal dispersion. 
E)  suspension. 
A)  solution. 
B)  solvent. 
C)  homogenous mixture. 
D)  colloidal dispersion. 
E)  suspension.

Question 20

Jane Doe's blood test showed that her iron is 125 mg/dL. You would like to convert the value into g/L. Which unit conversion converts 125 mg/dL into g/L?

Accepted Answer

A)    
B)    
C)    
D)    
E)    
A)    
B)    
C)    
D)    
E)

Carbamazepine is an antiepileptic. A typical daily dose is 1.1

A child is given 7.5 mL of a liquid pain reliever as a suspension containing 160 mg/5 mL of the pain reliever. How many milligrams of the pain reliever did the child receive?

The permissible level of arsenic in drinking water is 10 ppb in the United States. What is the maximum mass of arsenic, in grams, allowable in 1 L of drinking water?

Which of the following is a heterogeneous mixture?

A patient's blood test shows that his chloride level is 101 mmol/L. Convert this concentration to units of molarity.

Which of the following usually occurs when a molecule dissolves in water?

Consider solutions A and B separated by a semipermeable membrane. Which diagram best illustrates what the volumes should look like after osmosis occurs?

How many grams of glucose should be weighed out to make 1 liter of a rehydration solution that contains 75 mmol of glucose (the molar mass of glucose is 180 g)?

The chart below illustrates the composition of air. According to this chart,

The purpose of the kidneys is to

Which of the following describes the dissolution of MgCl₂ in water?

Consider the two containers below, which are separated by a semipermeable membrane that only allows the passage of small solutes. If A contains 6% NaCl in water and B contains 3% NaCl in water, at what point will diffusion stop?

A solute dissolving in a solvent is a _ because _.

Which term best describes the process illustrated here?

Red blood cells are placed into three solutions, each solution a different concentration of NaCl. One solution is isotonic, one is hypotonic and one is hypertonic with red blood cells. In which solution have the blood cells undergone crenation?

An order is given to administer 50. mg of furosemide, a diuretic, over the course of 2 hours by IV. If a 500. mL bag contains 200. mg of furosemide, what volume of solution does the patient need to receive over the course of two hours?

There are many mixtures in the body. The most common ______ for these mixtures is water.

A solution is prepared by dissolving 1.5 g of NaCl in enough water to produce a total solution volume of 750 mL. What is the concentration of the solution in % m/v?

Glucose in the blood is a

Jane Doe's blood test showed that her iron is 125 mg/dL. You would like to convert the value into g/L. Which unit conversion converts 125 mg/dL into g/L?

Measuring Matter and Energy

Atomic Structure and Nuclear Radiation

Compounds and Molecules

Chemical Quantities and Chemical Reactions

Changes of State and the Gas Laws

Organic Chemistry: Hydrocarbons

Organic Chemistry and Biomolecules

Acids and Bases

The Reactions of Organic Functional Groups in Biochemistry

Carbohydrates: Structure and Function

Lipids: Structure and Function

Proteins: Structure and Function

Nucleotides and Nucleic Acids

Energy and Metabolism

Filters

Exam 8: Solutions, Colloids and Membranes

Carbamazepine is an antiepileptic. A typical daily dose is 1.1

A child is given 7.5 mL of a liquid pain reliever as a suspension containing 160 mg/5 mL of the pain reliever. How many milligrams of the pain reliever did the child receive?

The permissible level of arsenic in drinking water is 10 ppb in the United States. What is the maximum mass of arsenic, in grams, allowable in 1 L of drinking water?

Which of the following is a heterogeneous mixture?

A patient's blood test shows that his chloride level is 101 mmol/L. Convert this concentration to units of molarity.

Which of the following usually occurs when a molecule dissolves in water?

Consider solutions A and B separated by a semipermeable membrane. Which diagram best illustrates what the volumes should look like after osmosis occurs?

How many grams of glucose should be weighed out to make 1 liter of a rehydration solution that contains 75 mmol of glucose (the molar mass of glucose is 180 g)?

The chart below illustrates the composition of air. According to this chart,

The purpose of the kidneys is to

Which of the following describes the dissolution of MgCl2 in water?

Consider the two containers below, which are separated by a semipermeable membrane that only allows the passage of small solutes. If A contains 6% NaCl in water and B contains 3% NaCl in water, at what point will diffusion stop?

A solute dissolving in a solvent is a _______ because _______.

Which term best describes the process illustrated here?

Red blood cells are placed into three solutions, each solution a different concentration of NaCl. One solution is isotonic, one is hypotonic and one is hypertonic with red blood cells. In which solution have the blood cells undergone crenation?

An order is given to administer 50. mg of furosemide, a diuretic, over the course of 2 hours by IV. If a 500. mL bag contains 200. mg of furosemide, what volume of solution does the patient need to receive over the course of two hours?

There are many mixtures in the body. The most common ______ for these mixtures is water.

A solution is prepared by dissolving 1.5 g of NaCl in enough water to produce a total solution volume of 750 mL. What is the concentration of the solution in % m/v?

Glucose in the blood is a

Jane Doe's blood test showed that her iron is 125 mg/dL. You would like to convert the value into g/L. Which unit conversion converts 125 mg/dL into g/L?

Measuring Matter and Energy

Atomic Structure and Nuclear Radiation

Compounds and Molecules

Chemical Quantities and Chemical Reactions

Changes of State and the Gas Laws

Organic Chemistry: Hydrocarbons

Organic Chemistry and Biomolecules

Acids and Bases

The Reactions of Organic Functional Groups in Biochemistry

Carbohydrates: Structure and Function

Lipids: Structure and Function

Proteins: Structure and Function

Nucleotides and Nucleic Acids

Energy and Metabolism

Filters

Which of the following describes the dissolution of MgCl₂ in water?

A solute dissolving in a solvent is a _ because _.