Essentials of Anatomy & Physiology 6th Edition By Scanlon Sanders-Test Bank

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Essentials of Anatomy & Physiology 6th Edition By Scanlon Sanders-Test Bank

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WITH ANSWERS
Essentials of Anatomy & Physiology 6th Edition By Scanlon Sanders-Test Bank

Chapter 2 (MC): Some Basic Chemistry

 

MULTIPLE CHOICE

 

  1. Which element is NOT paired with its correct symbol?
a. carbon C c. nitrogen N
b. potassium P d. cobalt Co

 

 

ANS:  B                    PTS:   1                    REF:   Rev Ques 1

 

  1. Which element is NOT paired with its correct symbol?
a. sodium S c. magnesium Mg
b. oxygen O d. chlorine Cl

 

 

ANS:  A                    PTS:   1                    REF:   Rev Ques 1

 

  1. Which element is NOT paired with its correct symbol?
a. hydrogen H c. calcium Ca
b. sulfur S d. iron I

 

 

ANS:  D                    PTS:   1                    REF:   Rev Ques 1

 

  1. For sodium, sulfur, zinc, and chlorine, the correct chemical symbols, in order, are:
a. S, Su, Z, Cl c. No, Su, Z, C
b. Na, S, Zn, Cl d. Na, S, Z, Cl

 

 

ANS:  B                    PTS:   1                    REF:   Rev Ques 1

 

  1. For iron, iodine, potassium, and phosphorus, the correct chemical symbols, in order, are:
a. I, Io, P, Ph c. I, Io, K, P
b. Fe, I, P, Ph d. Fe, I, K, P

 

 

ANS:  D                    PTS:   1                    REF:   Rev Ques 1

 

  1. For cobalt, copper, calcium, and carbon, the correct chemical symbols, in order, are:
a. Cb, Co, Ca, C c. Cb, Cu, Cm, C
b. Co, Cp, Ca, Cr d. Co, Cu, Ca, C

 

 

ANS:  D                    PTS:   1                    REF:   Rev Ques 1

 

  1. An ionic bond is formed when:
a. an atom of sodium loses an electron to another atom of sodium
b. an atom of sodium shares two electrons with two atoms of chlorine
c. an atom of sodium gains an electron from an atom of chlorine
d. an atom of sodium loses an electron to an atom of chlorine

 

 

ANS:  D                    PTS:   1                    REF:   Rev Ques 2

 

  1. Which statement is NOT true of ions?
a. An ion has either a positive or negative charge.
b. Atoms become ions by gaining or losing protons.
c. Ions with unlike charges are attracted to one another and form ionic bonds.
d. An atom that loses an electron will have a charge of +1.

 

 

ANS:  B                    PTS:   1                    REF:   Rev Ques 2

 

  1. An atom that has gained an electron is now called:
a. an ion that is neutral c. an ion with a charge of 1
b. an ion with a charge of +1 d. an atom with a charge of +1

 

 

ANS:  C                    PTS:   1                    REF:   Rev Ques 2

 

  1. A cation has a:
a. positive charge
b. negative charge
c. neutral charge
d. none of these, because the charge may vary

 

 

ANS:  A                    PTS:   1                    REF:   Rev Ques 2

 

  1. An anion has a:
a. positive charge
b. negative charge
c. neutral charge
d. none of these, because the charge may vary

 

 

ANS:  B                    PTS:   1                    REF:   Rev Ques 2

 

  1. A cation has a:
a. positive charge, and an example is a chloride ion
b. negative charge, and an example is a potassium ion
c. positive charge, and an example is a calcium ion
d. negative charge, and an example is an iron ion

 

 

ANS:  C                    PTS:   1                    REF:   Rev Ques 2

 

  1. An anion has a:
a. positive charge, and an example is a hydrogen ion
b. negative charge, and an example is a bicarbonate ion
c. positive charge, and an example is a chloride ion
d. negative charge, and an example is a sodium ion

 

 

ANS:  B                    PTS:   1                    REF:   Rev Ques 2

 

  1. Which statement is NOT true of ionic bonds?
a. They form salts. c. In water, many ionic bonds weaken.
b. In the solid state they are very strong. d. They involve the sharing of electrons.

 

 

ANS:  D                    PTS:   1                    REF:   Rev Ques 2

 

  1. The term dissociation refers to:
a. ionic bonds
b. the breaking of bonds in a water solution
c. both A and B
d. both A and B, and covalent bonds

 

 

ANS:  C                    PTS:   1                    REF:   Rev Ques 2

 

  1. A synonym for dissociation is:
a. decomposition c. synthesis
b. ionization d. reformulation

 

 

ANS:  B                    PTS:   1                    REF:   Rev Ques 2

 

  1. Dissociation of salts is important to:
a. free ions to take part in other reactions
b. produce energy
c. keep salt molecules stable in water
d. keep salt molecules stable as solids

 

 

ANS:  A                    PTS:   1                    REF:   Rev Ques 2

 

  1. Ionization of salts such as sodium chloride takes place:
a. when the temperature rises c. in the solid state
b. when the temperature falls d. in water

 

 

ANS:  D                    PTS:   1                    REF:   Rev Ques 2

 

  1. A covalent bond is formed when:
a. two or more atoms share electrons
b. two atoms form ions and are attracted to each other
c. one atom loses two electrons that are gained by another atom
d. a carbon atom loses all of its electrons to other atoms

 

 

ANS:  A                    PTS:   1                    REF:   Rev Ques 3

 

  1. A bond in which electrons are shared between atoms is:
a. ionic c. covalent
b. reciprocal d. di-electron

 

 

ANS:  C                    PTS:   1                    REF:   Rev Ques 3

 

  1. An atom of carbon has ___ electrons to share to form ___ bonds.
a. 2/ionic c. 2/covalent
b. 4/covalent d. 4/ionic

 

 

ANS:  B                    PTS:   1                    REF:   Rev Ques 3

 

  1. Which statement is NOT true of covalent bonds?
a. These bonds are not weakened when in water.
b. A molecule of water is formed by covalent bonds.
c. These bonds involve the sharing of electrons.
d. The atoms of most inorganic molecules are bonded by covalent bonds.

 

 

ANS:  D                    PTS:   1                    REF:   Rev Ques 3

 

  1. The bonds that help maintain the three-dimensional shape of proteins and nucleic acids are:
a. covalent bonds c. ionic bonds
b. hydrogen bonds d. water bonds

 

 

ANS:  B                    PTS:   1                    REF:   Rev Ques 3

 

  1. The bonds that make water cohesive are:
a. disulfide bonds c. ionic bonds
b. hydrogen bonds d. water bonds

 

 

ANS:  B                    PTS:   1                    REF:   Rev Ques 3

 

  1. The bonds that hold the two chains of an insulin molecule together are:
a. disulfide bonds c. ionic bonds
b. peptide bonds d. protein bonds

 

 

ANS:  A                    PTS:   1                    REF:   Rev Ques 3

 

  1. Disulfide bonds may be part of:
a. some starches c. DNA and RNA
b. some proteins d. true fats

 

 

ANS:  B                    PTS:   1                    REF:   Rev Ques 3

 

  1. Large molecules of glycogen are made of the smaller subunits called:
a. glucose c. amino acids
b. fatty acids and glycerol d. nucleotides

 

 

ANS:  A                    PTS:   1                    REF:   Rev Ques 4

 

  1. Glucose molecules are the subunits of:
a. starch c. both A and B
b. glycogen d. both A and B, and cellulose

 

 

ANS:  D                    PTS:   1                    REF:   Rev Ques 4

 

  1. Glycogen and starch are ___ that are made of ___.
a. disaccharides/sucrose c. disaccharides/glucose
b. polysaccharides/glucose d. polysaccharides/sucrose

 

 

ANS:  B                    PTS:   1                    REF:   Rev Ques 4

 

  1. Glucose is a molecule that is a:
a. hexose sugar c. both A and B
b. monosaccharide d. both A and B, and inorganic

 

 

ANS:  C                    PTS:   1                    REF:   Rev Ques 4

 

  1. Glucose is a molecule that is a:
a. double sugar c. pentose sugar
b. hexose sugar d. triple sugar

 

 

ANS:  B                    PTS:   1                    REF:   Rev Ques 4

 

  1. The chemical formula for glucose is:
a. C12H6O12 c. C6H6O6
b. C12H6O6 d. C6H12O6

 

 

ANS:  D                    PTS:   1                    REF:   Rev Ques 4

 

  1. Glucose, fructose, and galactose are:
a. hexose sugars
b. monosaccharides
c. both A and B
d. both A and B, and all have the same chemical formula

 

 

ANS:  D                    PTS:   1                    REF:   Rev Ques 4

 

  1. Large molecules of true fats are made of the smaller subunits called:
a. fatty acids and glucose c. amino acids
b. fatty acids and glycerol d. nucleotides

 

 

ANS:  B                    PTS:   1                    REF:   Rev Ques 4

 

  1. Fatty acids and glycerol are the subunits of:
a. phospholipids c. both A and B
b. true fats d. both A and B, and cholesterol

 

 

ANS:  C                    PTS:   1                    REF:   Rev Ques 4

 

  1. Large molecules of protein are made of the smaller subunits called:
a. glucose c. amino acids
b. fatty acids and glycerol d. nucleotides

 

 

ANS:  C                    PTS:   1                    REF:   Rev Ques 4

 

  1. Which statement is NOT true of amino acids?
a. They all contain the elements C, H, O, and N.
b. They are the subunits of proteins.
c. A chain of amino acids is linked by ionic bonds.
d. There are about 20 different amino acids in human proteins.

 

 

ANS:  C                    PTS:   1                    REF:   Rev Ques 4

 

  1. Large molecules of DNA and RNA are made of the smaller subunits called:
a. glucose c. amino acids
b. fatty acids and glycerol d. nucleotides

 

 

ANS:  D                    PTS:   1                    REF:   Rev Ques 4

 

  1. Which statement is NOT true of the subunits of organic molecules?
a. Glycogen is made of glucose.
b. Glycerol is found in true fats and in diglycerides.
c. DNA subunits are called deoxyprecursors.
d. The subunits of enzymes are amino acids.

 

 

ANS:  C                    PTS:   1                    REF:   Rev Ques 4

 

  1. Which statement is NOT true of saturated fats?
a. Most are plant oils.
b. They have the maximum number of hydrogens.
c. They have single bonds between carbons.
d. They have been implicated in heart disease.

 

 

ANS:  A                    PTS:   1                    REF:   Rev Ques 4

 

  1. Which statement is NOT true of unsaturated fats?
a. They have one or more double bonds between carbons.
b. They have the maximum number of hydrogens.
c. Most are plant oils.
d. They are made of fatty acids and glycerol.

 

 

ANS:  B                    PTS:   1                    REF:   Rev Ques 4

 

  1. The fluid found within lymph vessels is called:
a. lymph c. intracellular fluid
b. plasma d. tissue fluid

 

 

ANS:  A                    PTS:   1                    REF:   Rev Ques 5

 

  1. Lymph is a fluid that is found:
a. in lymph vessels c. both A and B
b. in tissue spaces d. both A and B, and between cells

 

 

ANS:  A                    PTS:   1                    REF:   Rev Ques 5

 

  1. The fluid found within veins is called:
a. lymph c. intracellular fluid
b. plasma d. tissue fluid

 

 

ANS:  B                    PTS:   1                    REF:   Rev Ques 5

 

  1. Plasma is a fluid that is found:
a. in veins c. both A and B
b. in arteries d. both A and B, and in capillaries

 

 

ANS:  D                    PTS:   1                    REF:   Rev Ques 5

 

  1. The fluid found within cells is called:
a. intercellular fluid c. intracellular fluid
b. plasma d. extracellular fluid

 

 

ANS:  C                    PTS:   1                    REF:   Rev Ques 5

 

  1. Intracellular fluid is found:
a. within cells c. both A and B
b. between cells d. both A and B, and in tissue spaces

 

 

ANS:  A                    PTS:   1                    REF:   Rev Ques 5

 

  1. The fluid found in spaces between cells is called:
a. lymph c. intracellular fluid
b. plasma d. tissue fluid

 

 

ANS:  D                    PTS:   1                    REF:   Rev Ques 5

 

  1. The fluid found in spaces between cells is called:
a. tissue fluid c. both A and B
b. intercellular fluid d. both A and B, and lymph

 

 

ANS:  C                    PTS:   1                    REF:   Rev Ques 5

 

  1. Intercellular fluid is found:
a. within cells c. both A and B
b. between cells d. both A and B, and around cells

 

 

ANS:  B                    PTS:   1                    REF:   Rev Ques 5

 

  1. The fact that water changes temperature slowly is important for:
a. digestion of food
b. pumping of the heart
c. keeping a fairly constant body temperature
d. nerve impulse transmission

 

 

ANS:  C                    PTS:   1                    REF:   Rev Ques 6

 

  1. Water can absorb a great deal of heat, and this is important for:
a. sweating to lose excess body heat c. nerve impulse transmission
b. digestion of very large meals d. production of RBCs

 

 

ANS:  A                    PTS:   1                    REF:   Rev Ques 6

 

  1. The process of sweating depends upon water as a:
a. solvent c. transporter
b. lubricant d. heat absorber

 

 

ANS:  D                    PTS:   1                    REF:   Rev Ques 6

 

  1. The sense of taste depends upon water as a:
a. solvent c. transporter
b. lubricant d. heat absorber

 

 

ANS:  A                    PTS:   1                    REF:   Rev Ques 7

 

  1. The excretion of waste products in urine depends upon water as a:
a. solvent c. cushion
b. lubricant d. heat absorber

 

 

ANS:  A                    PTS:   1                    REF:   Rev Ques 7

 

  1. Which of these is NOT an example of the importance of water as a solvent?
a. the senses of smell and taste c. transport of nutrients in the blood
b. synovial fluid in joints d. excretion of waste products in urine

 

 

ANS:  B                    PTS:   1                    REF:   Rev Ques 7

 

  1. Swallowing depends upon water as a:
a. solvent c. cushion
b. lubricant d. heat absorber

 

 

ANS:  B                    PTS:   1                    REF:   Rev Ques 7

 

  1. Which of these is an example of the lubricant function of water?
a. the senses of smell and taste c. transport of nutrients in the blood
b. synovial fluid in joints d. excretion of waste products in urine

 

 

ANS:  B                    PTS:   1                    REF:   Rev Ques 7

 

  1. The storage form for glucose in the liver is:
a. glycogen c. pentose sugars
b. true fats d. oligosaccharides

 

 

ANS:  A                    PTS:   1                    REF:   Rev Ques 8

 

  1. The storage form for energy in adipose tissue is:
a. glycogen c. pentose sugars
b. true fats d. oligosaccharides

 

 

ANS:  B                    PTS:   1                    REF:   Rev Ques 8

 

  1. The carbohydrates that are part of DNA and RNA are:
a. glucose c. pentose sugars
b. starch d. oligosaccharides

 

 

ANS:  C                    PTS:   1                    REF:   Rev Ques 8

 

  1. The pentose sugars are part of:
a. starches c. specialized enzymes
b. DNA and RNA d. cell membranes

 

 

ANS:  B                    PTS:   1                    REF:   Rev Ques 8

 

  1. The self antigens on cell membranes are:
a. starch c. glucose
b. pentose sugars d. oligosaccharides

 

 

ANS:  D                    PTS:   1                    REF:   Rev Ques 8

 

  1. The oligosaccharides are attached to:
a. DNA and RNA as part of the genetic code
b. certain enzymes as part of the active site
c. structural proteins to provide stability
d. cell membranes as self antigens

 

 

ANS:  D                    PTS:   1                    REF:   Rev Ques 8

 

  1. The disaccharides are sugars that:
a. will be digested and used for energy, such as sucrose
b. will become part of DNA and RNA
c. will be digested for energy, such as fructose
d. are part of specialized enzymes

 

 

ANS:  A                    PTS:   1                    REF:   Rev Ques 8

 

  1. Which of these is NOT a disaccharide?
a. sucrose c. maltose
b. galactose d. lactose

 

 

ANS:  B                    PTS:   1                    REF:   Rev Ques 8

 

  1. Disaccharides in the diet are digested and used for:
a. energy c. proteins
b. amino acids d. cell membranes

 

 

ANS:  A                    PTS:   1                    REF:   Rev Ques 8

 

  1. Sucrose and lactose are:
a. monosaccharides c. oligosaccharides
b. disaccharides d. polysaccharides

 

 

ANS:  B                    PTS:   1                    REF:   Rev Ques 8

 

  1. The precursor molecule for steroid hormones is:
a. cholesterol c. phospholipids
b. cellulose d. enzymes

 

 

ANS:  A                    PTS:   1                    REF:   Rev Ques 8

 

  1. Cholesterol is important for the:
a. synthesis of steroid hormones
b. production of vitamin D
c. both A and B
d. both A and B, and as part of cell membranes

 

 

ANS:  D                    PTS:   1                    REF:   Rev Ques 8

 

  1. Vitamin D may be synthesized in the body from:
a. amino acids c. cholesterol
b. phospholipids d. disaccharides

 

 

ANS:  C                    PTS:   1                    REF:   Rev Ques 8

 

  1. The undigested part of food that promotes peristalsis is:
a. cholesterol c. true fats
b. cellulose d. proteins

 

 

ANS:  B                    PTS:   1                    REF:   Rev Ques 8

 

  1. For people, the function of cellulose is to promote:
a. energy production between meals c. loss of heat in hot weather
b. peristalsis d. retention of heat in cold weather

 

 

ANS:  B                    PTS:   1                    REF:   Rev Ques 8

 

  1. The genetic material (genetic code) within cells is:
a. enzymes c. DNA
b. RNA d. phospholipids

 

 

ANS:  C                    PTS:   1                    REF:   Rev Ques 8

 

  1. The function of DNA is to:
a. be the genetic code within cells
b. serve as the site of protein synthesis
c. both A and B
d. both A and B, and form chromosomes

 

 

ANS:  A                    PTS:   1                    REF:   Rev Ques 8

 

  1. The function of RNA is:
a. protein synthesis c. to help synthesize DNA
b. cell respiration d. to help synthesize ATP

 

 

ANS:  A                    PTS:   1                    REF:   Rev Ques 8

 

  1. RNA is different from DNA in that:
a. RNA is a single strand of amino acids
b. RNA has the base uracil where DNA has thymine
c. both A and B
d. neither A nor B

 

 

ANS:  B                    PTS:   1                    REF:   Rev Ques 8

 

  1. The catalysts of cellular reactions are:
a. phospholipids c. hexose sugars
b. nucleic acids d. enzymes

 

 

ANS:  D                    PTS:   1                    REF:   Rev Ques 8

 

  1. Within the body, proteins may be:
a. enzymes c. structural components of tissues
b. hormones d. all of these

 

 

ANS:  D                    PTS:   1                    REF:   Rev Ques 8

 

  1. Which organic molecule is NOT part of cell membranes?
a. glucose c. phospholipid
b. protein d. cholesterol

 

 

ANS:  A                    PTS:   1                    REF:   Rev Ques 8

 

  1. Which of the following are energy-storage molecules?
a. glucose and proteins c. proteins and glycogen
b. glycogen and true fats d. true fats and amino acids

 

 

ANS:  B                    PTS:   1                    REF:   Rev Ques 8

 

  1. Which statement is NOT true of organic molecules?
a. DNA is the genetic code in chromosomes.
b. Hormones may be steroids or proteins.
c. Phospholipids are part of cell membranes.
d. Oligosaccharides are energy-storage molecules.

 

 

ANS:  D                    PTS:   1                    REF:   Rev Ques 8

 

  1. Which statement is NOT true of organic molecules?
a. RNA is important for protein synthesis.
b. Cholesterol is part of cell membranes.
c. Glucose is the most important pentose sugar.
d. All enzymes are proteins.

 

 

ANS:  C                    PTS:   1                    REF:   Rev Ques 8

 

  1. The raw materials, or reactants, of cell respiration are:
a. glucose and oxygen c. oxygen and carbon dioxide
b. water and glucose d. carbon dioxide and glucose

 

 

ANS:  A                    PTS:   1                    REF:   Rev Ques 9

 

  1. Which of these is NOT a product of cell respiration?
a. water c. ATP
b. carbon dioxide d. oxygen

 

 

ANS:  D                    PTS:   1                    REF:   Rev Ques 9

 

  1. The purpose of cell respiration is to produce:
a. ATP from water c. carbon dioxide from ATP
b. ATP from glucose d. water from ATP

 

 

ANS:  B                    PTS:   1                    REF:   Rev Ques 9

 

  1. The waste product of cell respiration is:
a. carbon dioxide c. ATP
b. water d. heat

 

 

ANS:  A                    PTS:   1                    REF:   Rev Ques 10

 

  1. Biologically useful energy is released in cell respiration in the form of:
a. light c. ATP
b. heat d. movement

 

 

ANS:  C                    PTS:   1                    REF:   Rev Ques 10

 

  1. Cell respiration enables our cells to release the potential energy found in molecules of:

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