Frage 1
Frage
The prescription balance needed for weighing chemicals is currently designated as a Class ___ balance by the NBS.
Frage 2
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Which ONE of the following statements concerning single-pan electronic balances are replacements for the Class III balance is true?
Antworten
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they cannot be used since they are too accurate for routine weighings.
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They are not suitable since the official shift and rider balance tests cannot be performed.
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They may be used if they have a sensitivity requirement of 6 mg or better.
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They are not recommended since their total weight capacity is often less than 120 g.
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They may be used if their total weight capacity is not greater than 120 g.
Frage 3
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Standards for chemicals being used for extemporaneous compounding are found in the
Frage 4
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A clinical trial using capsules requires 200 grams of theophylline monohydrate. How many grams of anhydrous theophylline must be used if its label also indicates the presence of 0.4% water? (mol. wt. anhydrous theophylline = 180; monohydrate theophylline = 198)
Antworten
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181.1
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181.8
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182.5
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220
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220.8
Frage 5
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How many mg of sodium fluoride are required to prepare this prescription?
Frage 6
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Problem(s) that the pharmacist should anticipate in preparing this prescription include
Antworten
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caustic nature of sodium fluoride
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poor water solubility of sodium fluoride
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difficulty in weighing a small quantity of powder
Frage 7
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The best choice of a diluent for stock powders, especially when preparing capsules, is
Antworten
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ascorbic acid
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lactose
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sodium chloride
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starch
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talc
Frage 8
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The pharmacist fills a #2 capsule and finds that the net weight of the powder is 40 mg less than needed. She may elect to
Frage 9
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NOTE: The pharmacist has 50-mg dimenhydrinate tablets; each weighing 200 mg, and 30-mg codeine sulfate tablets, each weighing 100 mg. Aspirin is available as a powder.
Which of the following statements concerning the prescription is (are) true?
Antworten
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The amount of codeine being consumed per day is an overdose.
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There is a chemical incompatibility between dimenhydrinate and codeine.
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The patient should be cautioned about the possibility of drowsiness from the capsules.
Frage 10
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NOTE: The pharmacist has 50-mg dimenhydrinate tablets; each weighing 200 mg, and 30-mg codeine sulfate tablets, each weighing 100 mg. Aspirin is available as a powder.
When compounding this prescription, the pharmacist must
Antworten
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use a rubber spatula rather than stainless steel
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add lactose to the formula
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take into consideration the weight of the excipients in the codeine and dimenhydrinate tablets
Frage 11
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NOTE: The pharmacist has 50-mg dimenhydrinate tablets; each weighing 200 mg, and 30-mg codeine sulfate tablets, each weighing 100 mg. Aspirin is available as a powder.
The final weight of each capsule will be approximately
Antworten
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150 mg
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210 mg
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235 mg
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360 mg
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385 mg
Frage 12
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Aminophylline is available in 20-mL ampules (25 mg/mL). How many ampules are needed daily for this order?
Frage 13
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When reviewing this order, the pharmacist should
Antworten
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inform the prescriber that an incompatibility exists between aminophylline solution & potassium chloride solution
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inform the prescriber that the dose of aminophylline is too high
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inform the nursing staff that the mixture must be protected from sunlight
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inform the prescriber that aminophylline will precipitate when added to D5W
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fill the order as written
Frage 14
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Correct method(s) for preparing the previously shown admixture include
Antworten
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adding the potassium chloride solution to the D5W, followed by the aminophylline solution
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adding the aminophylline solution to the D5W first, then add the potassium chloride solution
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mixing the aminophylline solution and the potassium chloride solution, then add this mixture to the D5W
Frage 15
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The total amount (mg) of potassium administered in each admixture bottle is [K = 39.1; Cl = 35.5]
Frage 16
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Which of the following commercial parenteral solutions would be incompatible with the original admixture?
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dobutamine
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morphine
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heparin