Understanding Pharmacology Essentials for Medication Safety 2nd Edition by M. Linda Workman Test Bank
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Chapter 03: Arithmetic Consider and Introduction to Dosage Calculation
Workman & LaCharity: Understanding Pharmacology: Essentials for Medication Safety, 2nd EditionMULTIPLE CHOICE
1. What’s essential consideration when using a calculator for drug dosages?
a. Always look at the options with a pharmacist.
b. Ensure the numbers are entered inside the proper order.
c. Work the difficulty by hand after which look at all work using the laptop.
d. Calculate the reply with the laptop after which look at the reply by working the difficulty by hand.
ANS: B
Don’t forget that math points are punched into the calculator just like they’re written or just like you’d say them out loud. As an example, 24 ? 12 is punched in as 2, 4, ?, 1, 2 = reply. While you punch in each of the numbers backward (e.g., 4, 2, ? 1, 2 or 2, 4, ?, 2, 1) the reply shall be unsuitable.DIF: Cognitive Stage: Remembering REF: p. 46
2. What is the best definition of a fraction?
a. Half of a whole amount obtained by dividing one amount by a much bigger amount.
b. The reply obtained when one amount divided one different amount is on a regular basis a good amount.
c. The smallest unit or part of a amount that could be obtained by dividing one amount by itself.
d. The dividing stage between complete numbers and elements of numbers in a system based on objects of ten.
ANS: A
A fraction is on a regular basis a part of a whole amount. An accurate fraction is on a regular basis decrease than a single complete amount.DIF: Cognitive Stage: Remembering REF: p. 46
3. Throughout the equation 2X = , which side is the numerator?
a. 2
b. 4
c. 6
d. X
ANS: B
The numerator is on a regular basis the very best amount in a fraction that shall be divided by the underside amount (denominator).DIF: Cognitive Stage: Remembering REF: p. 46
4. What does the “N” level out throughout the PINCH extreme alert drugs?
a. Narcotics
b. Niacin
c. Naphthalene
d. Neurotransmitter
ANS: A
The PINCH time interval for extreme alert drugs stands for potassium, insulin, narcotics (usually generally known as opioids), most cancers chemotherapy drugs, and heparin or each different drug that strongly impacts blood clotting. Niacin is a vitamin. Naphthalene is a poisonous pure chemical that is by no means used as a drug. A neurotransmitter is a class of biologic chemical compounds the physique makes and makes use of to manage nerve impulses.DIF: Cognitive Stage: Remembering REF: p. 46
5. Which era interval is used to clarify the underside number of a fraction?
a. Denominator
b. Subtractor
c. Numerator
d. Dividend
ANS: A
The very best of a fraction is the numerator, the underside is the denominator.DIF: Cognitive Stage: Remembering REF: p. 46
6. Which assertion about an improper fraction is true?
a. It is on a regular basis bigger than 1.
b. It has no lowest widespread denominator.
c. It could possibly’t be multiplied or divided by one different fraction.
d. It might presumably solely be multiplied or divided by a whole amount.
ANS: A
An improper fraction is one whereby the numerator is bigger than the denominator. Subsequently, the value of an improper fraction is on a regular basis bigger than 1.DIF: Cognitive Stage: Remembering REF: p. 47
7. The time interval “%” is claimed to which amount?
a. 5
b. 10
c. 50
d. 100
ANS: D
The expression of how a amount is claimed to 100; “really for each hundred.”DIF: Cognitive Stage: Remembering REF: p. 53
8. What’s the first step in dividing two fractions?
a. Ensuring every numbers are right fractions
b. Altering the numerators into their lowest widespread amount
c. Altering the denominators into their lowest widespread amount
d. Inverting the second fraction and multiplying the numerators individually from the denominators
ANS: D
Dividing fractions is form of exactly the an identical as multiplying fractions. The one distinction is that the second fraction is on a regular basis inverted first (altering the positions of the numerator and the denominator).DIF: Cognitive Stage: Remembering REF: pp. 4950
9. Which assertion regarding the relationship between fractions and decimals is true?
a. A fraction might be expressed as a decimal nevertheless a decimal cannot be expressed as a fraction.
b. A decimal might be expressed as a fraction nevertheless a fraction cannot be expressed as a decimal.
c. All fractions might be expressed as decimals and all decimals might be expressed as fractions.
d. Fractions can solely be expressed as decimals in the event that they’re right fractions.
ANS: C
Decimals and fractions are related on account of they’re every elements of a whole. All fractions, whether or not or not they’re right or improper, might be precisely expressed as a corresponding decimal. All decimals might be precisely expressed as fractions.DIF: Cognitive Stage: Remembering REF: p. 50
10. Which dosage expression must be averted?
a. 0.25 mg
b. 2.5 mg
c. 2.500 mg
d. 25 mg
ANS: C
The zeros after a decimal stage serve no perform and are known as “trailing zeros.” Once they’re written as part of a dosage, they are going to contribute to confusion regarding the precise dose.DIF: Cognitive Stage: Remembering REF: p. 50
11. What specific safety methodology is on a regular basis used when calculating an insulin dose?
a. Use a calculator and by no means calculate the dose by hand.
b. Calculate the dose by hand and by no means use a calculator.
c. Have one different effectively being care expert look at the dose.
d. Placed on sterile gloves to handle the calculated dose.
ANS: C
Insulin is a extreme alert (PINCH) drug that will set off important damage if the unsuitable dose is run. Always have one different effectively being care expert double look at the dose you calculate by independently recalculating the dose and evaluating it to the dose you calculated.DIF: Cognitive Stage: Understanding REF: p. 46
12. Which fraction represents the whole amount 10?
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