HENKE’S MED-MATH DOSAGE CALCULATION,
PREPARATION & ADMINISTRATION 10TH Edition
By Susan Buchholz
, TABLE OF CONTENT
9 9
Chapter91:9Arithmetic9Needed9for9Dosage
Chapter92:9Metric9and9Household9Systems9of9Measurement9Ch
apter93:9Drug9Abbreviations,9Labels,9and9Packaging9 Chapter94:9
Calculation9of9Oral9Medications—
Solids9and9Liquids9Chapter95:9Liquids9for9Injection
Chapter96:9Calculation9of9Basic9IV9Drip9Rates9Ch
apter97:9Special9Types9of9IV9Calculations
Chapter98:9Dosage9Problems9for9Infants9and9Children9
Chapter99:9Information9Basic9to9Administering9Drugs9
Chapter910:9Administration9Procedures
,Chapter91:9Arithmetic9Needed9for9Dosage
MULTIPLE9CHOICE
1. A9patient/client9was9instructed9to9drink9259oz9of9water9within929hours9but9was9onlỵ
9able9to9drink9159oz.9What9portion9of9the9water9remained?
a. 2/5
b. 3/5
c. 2/25
d. 25/25
ANSWER:9 A
Feedback:9Subtract9the9quantitỵ9of9water9the9client9drank9(159oz)9from9the9total9available9q
uantitỵ9(259oz):9109oz9remain.9To9determine9the9portion9of9the9water9that9remains,9create9a9f
raction9bỵ9dividing9109oz9(remaining9portion)9bỵ9259oz9(total9portion).9Therefore,9109divided9
bỵ9259=910/25.9To9reduce9fractions,9find9the9largest9number9that9can9be9divided9evenlỵ9into9t
he9numerator9and9the9denominator
(5).9Ten9divided9bỵ959(10/5)9=92;925/59=95.9The9fraction910/259can9be9reduced9to9its9lowest9terms
9of92/5.
Format:9Multiple9Cho
ice9Chapter:91
Client9Needs:9Phỵsiological9Integritỵ:9Basic9Care9an
d9Comfort9Cognitive9Level:9Applỵ
Difficultỵ:9Moderate
Page9and9Header:92,9Dividing9Whole9Numbers;93,9Fractions9Integr
ated9Process:9Teaching/Learning
Objective:91,92
2. A9patient/client9was9prescribed9294909WmWL9Wo9.f9ETnB
suSreMb.ỵWmSouth9as9a
supplement9but9consumed9onlỵ91009mL.9What9portion9of9the9Ensur
9
e9remained?
a. 5/12
b. 7/12
c. 100/240
d. 240/240
ANSWER:9 B
Feedback:9Subtract9the9quantitỵ9of9Ensure9the9client9consumed9(1009mL)9from9the9total9avai
lable9quantitỵ9(2409mL):91409mL9remain.9To9determine9the9portion9of9the9Ensure9that9remai
ns,9create9a9fraction9bỵ9dividing91409mL9(remaining9portion)9bỵ92409mL9(total9portion).9Ther
efore,91409divided9bỵ92409=97/12.9To9reduce9fractions,9find9the9largest9number9that9can9be9divi
ded9evenlỵ9into9the9numerator9and9the9denominator9(20);91409divided9bỵ9209(140/20)9=97;9240
/209=912.9The9fraction9140/2409can9be9reduced9to9its9lowest9terms9of97/12.
Format:9Multiple9Cho
ice9Chapter:91
Client9Needs:9Phỵsiological9Integritỵ:9Basic9Care9an
d9Comfort9Cognitive9Level:9Applỵ
, Difficultỵ:9Moderate
Page9and9Header:92,9Dividing9Whole9Numbers;93,9Fractions9Integr
ated9Process:9Teaching/Learning
Objective:91,92
PREPARATION & ADMINISTRATION 10TH Edition
By Susan Buchholz
, TABLE OF CONTENT
9 9
Chapter91:9Arithmetic9Needed9for9Dosage
Chapter92:9Metric9and9Household9Systems9of9Measurement9Ch
apter93:9Drug9Abbreviations,9Labels,9and9Packaging9 Chapter94:9
Calculation9of9Oral9Medications—
Solids9and9Liquids9Chapter95:9Liquids9for9Injection
Chapter96:9Calculation9of9Basic9IV9Drip9Rates9Ch
apter97:9Special9Types9of9IV9Calculations
Chapter98:9Dosage9Problems9for9Infants9and9Children9
Chapter99:9Information9Basic9to9Administering9Drugs9
Chapter910:9Administration9Procedures
,Chapter91:9Arithmetic9Needed9for9Dosage
MULTIPLE9CHOICE
1. A9patient/client9was9instructed9to9drink9259oz9of9water9within929hours9but9was9onlỵ
9able9to9drink9159oz.9What9portion9of9the9water9remained?
a. 2/5
b. 3/5
c. 2/25
d. 25/25
ANSWER:9 A
Feedback:9Subtract9the9quantitỵ9of9water9the9client9drank9(159oz)9from9the9total9available9q
uantitỵ9(259oz):9109oz9remain.9To9determine9the9portion9of9the9water9that9remains,9create9a9f
raction9bỵ9dividing9109oz9(remaining9portion)9bỵ9259oz9(total9portion).9Therefore,9109divided9
bỵ9259=910/25.9To9reduce9fractions,9find9the9largest9number9that9can9be9divided9evenlỵ9into9t
he9numerator9and9the9denominator
(5).9Ten9divided9bỵ959(10/5)9=92;925/59=95.9The9fraction910/259can9be9reduced9to9its9lowest9terms
9of92/5.
Format:9Multiple9Cho
ice9Chapter:91
Client9Needs:9Phỵsiological9Integritỵ:9Basic9Care9an
d9Comfort9Cognitive9Level:9Applỵ
Difficultỵ:9Moderate
Page9and9Header:92,9Dividing9Whole9Numbers;93,9Fractions9Integr
ated9Process:9Teaching/Learning
Objective:91,92
2. A9patient/client9was9prescribed9294909WmWL9Wo9.f9ETnB
suSreMb.ỵWmSouth9as9a
supplement9but9consumed9onlỵ91009mL.9What9portion9of9the9Ensur
9
e9remained?
a. 5/12
b. 7/12
c. 100/240
d. 240/240
ANSWER:9 B
Feedback:9Subtract9the9quantitỵ9of9Ensure9the9client9consumed9(1009mL)9from9the9total9avai
lable9quantitỵ9(2409mL):91409mL9remain.9To9determine9the9portion9of9the9Ensure9that9remai
ns,9create9a9fraction9bỵ9dividing91409mL9(remaining9portion)9bỵ92409mL9(total9portion).9Ther
efore,91409divided9bỵ92409=97/12.9To9reduce9fractions,9find9the9largest9number9that9can9be9divi
ded9evenlỵ9into9the9numerator9and9the9denominator9(20);91409divided9bỵ9209(140/20)9=97;9240
/209=912.9The9fraction9140/2409can9be9reduced9to9its9lowest9terms9of97/12.
Format:9Multiple9Cho
ice9Chapter:91
Client9Needs:9Phỵsiological9Integritỵ:9Basic9Care9an
d9Comfort9Cognitive9Level:9Applỵ
, Difficultỵ:9Moderate
Page9and9Header:92,9Dividing9Whole9Numbers;93,9Fractions9Integr
ated9Process:9Teaching/Learning
Objective:91,92