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Pharmacuetical Calculations > Tutorial 1 > Flashcards

Tutorial 1 Flashcards

1
Q

Name the four things pharmaceutics is concerned with

A

1- formulation
2- manufacture
3- stability
3- effectiveness

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2
Q

Name the five things to know about any pharmaceutical product

A

-API
-Dosage
-Dosage form
-Excipients
-Manufacturer

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3
Q

T or F:
In panadol, paracetamol is the product name

A

Falsy Walsy
Paracetamol is the API, panadol is the product name

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4
Q

What is the dosage form?

A

Serum, tablet, injection, suppository, ointment, liquid, inhalation

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5
Q

T or F:
API is the medicinal material in the dosage form

A

True

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6
Q

What is the purpose of the drug?

A

Provides the desired benefit

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7
Q

What is another name for non-medicinal material?

A

Excipients & inactive ingredients

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8
Q

Why are inactive ingredients included in the formulation of a drug?

A

Produce desired pharmaceutical qualities:
-physical and chemical stability
-rate of drug release
-appearance
-taste and color

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9
Q

Scientific term:

the area of study that applies the basic
principles of mathematics to the preparation
and safe and effective use of pharmaceuticals.

A

Pharmaceutical calculations

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10
Q

Scientific term:
The process of weighing individual components the pharmacist and compounded
into a finished product

A

Extemporaneous preparation

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11
Q

What is the role of a pharmacist inside a hospital?

A

preparing medication orders and sterile solutions

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12
Q

What is the main use of specific gravity?

A

To solve fir a liquid’s volume when the weight of the liquid is known

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13
Q

Scientific term:

the ratio of the weight of a
substance to the weight of an equal volume of water
at 25°C

A

Specific Gravity

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14
Q

T or False:
1 ml of distilled water weighs 1 gram at any condition

A

Falsy Walsy:
Truth: it’s only equal in. 4° C and 1 ATM

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15
Q

T or F:
SG has a dimension therefore it’s a constant value for each substance

A

Falsy Walsy
Truth: has NO dimension, second statement is true

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16
Q

T or F:
The specific gravity of a substance and its
density in the metric system are numerically
equal

A

Truey

17
Q

How many milliliters is 1 pint?

A

473

18
Q

How many grams is 1 pound?

A

454g

19
Q

How many grams are in one grain?

A

0.065g

20
Q

How many milligrams are in one grain?

A

65mg

21
Q

Scientific term:
A special glass bottle used to determine specific gravity of liquids

A

Pycnometer

22
Q

What is the purpose of capillary openings in pycnometers?

A

To allow trapped air in excess fluid to escape

23
Q

Scientific term:

The volume occupied by 1 g of a substance at a given temperature and pressure

A

Specific volume

24
Q

T or F:
Specific volume equals the reciprocal of density of a substance

A

Truey

25
Q

What is the purpose and use of specific volume?

A

It tells us the volume occupied by unit mass of a substance

26
Q

T or F:
Density and specific gravity depend on temperature and pressure

A

Falsy walsy
Truth: density and specific VOLUME depend on those two

27
Q

A lower-than-normal specific gravity may be caused by conditions like ______ or renal disease.

A

Diabetes

28
Q

What is the normal range of specific gravity for urine in adults?
- A) 1.000 to 1.010
- B) 1.01 to 1.025
- C) 1.02 to 1.03
- D) 1.03 to 1.04

A

B

29
Q

What does a higher-than-normal specific gravity of urine indicate?
- A) Dilute urine due to increased fluid intake
- B) Concentrated urine, possibly due to glucose or protein in urine
- C) Normal hydration status
- D) None of the above

A

B

30
Q

Which of the following can lead to lower-than-normal specific gravity of urine?
- A) Decreased fluid intake
- B) Excessive water loss
- C) Diabetes or renal disease
- D) Presence of glucose in urine

A

C

31
Q

To or F:

A lower-than-normal specific gravity usually indicates that the urine is concentrated.

A

Falsy walsy

32
Q

T or F:

Excessive water loss and decreased fluid intake may cause higher-than-normal specific gravity

A

Truey

33
Q

T or F:

Pharmacists are only responsible for filling prescriptions and do not provide drug information to patients.

A

Falsy walsy

34
Q

Which of the following is the correct definition of specific gravity?
A) The weight of a substance per unit volume
B) The ratio of the weight of a substance to the weight of an equal volume of water at 25°C
C) The volume occupied by 1 gram of a substance
D) None of the above

A

B

35
Q

Which of the following correctly expresses the density of water at 4°C?
A) 1 g/mL
B) 0.81 g/mL
C) 0.85 g/mL
D) 1.1764 g/mL

A

A

36
Q

In modern clinical laboratory, the specific gravity is determined
by__________________method

A

refractive index

37
Q

What does refractive index method determine?

A

-Urine
-chemistry
-specific gravity
-pH
-color and clarity

38
Q

T or F the density and specific gravity of a substance are always equal

A

Falsy Walsy
only in metric system

Pharmacuetical Calculations (7 decks)

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