Parenteral Preparations: Sterile Formulations Basics Quiz!

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Parenteral Preparations: Sterile Formulations Basics Quiz! - Quiz

Are you into parenteral preparations? If you wish to know your understandability, you can take parenteral preparations: sterile formulations basics quiz. Parenteral preparation generally involves the preparation of various solutions, emulsions, suspensions, etc. These drugs are into sterile preparations, as it has to go directly to the human body. You can take this quiz to check your knowledge as well as learn new things. You can have a perfect score with all the correct questions. All the best, and do share your result.


Questions and Answers
  • 1. 

    Sealed glass containers with an elongated neck is

    • A.

      Gauge

    • B.

      Ampules

    • C.

      CSP

    • D.

      Vial

    Correct Answer
    B. Ampules
    Explanation
    Ampules are sealed glass containers with an elongated neck. They are commonly used in the pharmaceutical industry to store and preserve liquid medications. Ampules are designed to be airtight and prevent any contamination or leakage. The elongated neck allows for easy breaking and accessing the contents of the ampule. Therefore, ampules are the correct answer in this case.

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  • 2. 

    A filter placed immediately before a solution patients vein is

    • A.

      Membrane filter

    • B.

      Depth filter

    • C.

      Final filter

    • D.

      None of the above

    Correct Answer
    C. Final filter
    Explanation
    A final filter is placed immediately before a solution enters a patient's vein to ensure that it is free from any contaminants or particles. This filter acts as a barrier, preventing any unwanted substances from reaching the patient's bloodstream. It is the last line of defense before the solution reaches the patient, making it the final filter in the filtration process. Both membrane filters and depth filters can be used in different stages of filtration, but the final filter is specifically placed at the end to provide the highest level of filtration.

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  • 3. 

    A high efficiency air filter is

    • A.

      HEPA filter

    • B.

      Diluent

    • C.

      Final filter

    • D.

      Web filter

    Correct Answer
    A. HEPA filter
    Explanation
    A high efficiency air filter is a HEPA filter. HEPA stands for High Efficiency Particulate Air, and it is a type of filter that is capable of trapping and removing very small particles from the air. HEPA filters are commonly used in air purifiers and HVAC systems to improve indoor air quality by capturing allergens, dust, pollen, and other airborne particles. These filters are designed to meet strict standards and are highly effective in filtering out particles as small as 0.3 microns with an efficiency of 99.97%.

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  • 4. 

    A solvent that dissolves a lyophilized powder or dilutes a solution is a 

    • A.

      Diluent

    • B.

      Solvent

    • C.

      Additive

    • D.

      Admixture

    Correct Answer
    A. Diluent
    Explanation
    A solvent that dissolves a lyophilized powder or dilutes a solution is called a diluent. A diluent is used to reduce the concentration of a solution or to dissolve a solid substance. It is commonly used in pharmaceutical preparations to adjust the strength or concentration of a medication. Diluents are typically inert substances that do not react with the solute and are safe for administration.

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  • 5. 

    A needle used for measurement is called

    • A.

      Ampules

    • B.

      Bevel

    • C.

      Heparin lock

    • D.

      Gauge

    Correct Answer
    D. Gauge
    Explanation
    A needle used for measurement is called a gauge.

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  • 6. 

    An angled surface, at the tip of a needle is

    • A.

      Bevel

    • B.

      Bevel heel

    • C.

      Hub

    • D.

      Shaft

    Correct Answer
    A. Bevel
    Explanation
    A bevel is an angled surface at the tip of a needle. It is commonly found in medical needles or sewing needles, where the bevel allows for easier penetration into the skin or fabric. The bevel shape helps to reduce the force required for insertion and minimize tissue damage.

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  • 7. 

    The movement of particles in a solution through permeable membranes is called

    • A.

      Filter

    • B.

      Dialysis

    • C.

      Flow rate

    • D.

      Anhydrous

    Correct Answer
    B. Dialysis
    Explanation
    Dialysis is the correct answer because it refers to the movement of particles in a solution through permeable membranes. Dialysis is a process that is used to remove waste products and excess fluid from the blood when the kidneys are unable to perform this function. It involves the use of a dialyzer, which acts as a permeable membrane, allowing small particles and waste products to pass through while retaining larger molecules like proteins and blood cells.

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  • 8. 

    The methods that maintain sterility products is

    • A.

      Aseptic technique

    • B.

      Bleaching

    • C.

      A clean person

    • D.

      Admixture

    Correct Answer
    A. Aseptic technique
    Explanation
    Aseptic technique is the correct answer because it refers to a set of practices and procedures used to prevent contamination and maintain sterility in the production and handling of pharmaceutical products. This technique involves creating a sterile environment, using sterile equipment and materials, and following specific protocols to minimize the risk of introducing microorganisms. Aseptic technique is crucial in industries such as pharmaceuticals, biotechnology, and healthcare, where maintaining product sterility is essential for patient safety and product efficacy.

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  • 9. 

    The resulting solution when a drug is added to a parenteral solution

    • A.

      Admixture

    • B.

      Solution

    • C.

      Addtive

    • D.

      Juice

    Correct Answer
    A. Admixture
    Explanation
    When a drug is added to a parenteral solution, the resulting solution is called an admixture. An admixture refers to the combination of two or more substances to form a new solution. In this context, the drug is being added to the parenteral solution, which is a solution that is administered through injection or infusion. Therefore, the correct answer is admixture.

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  • 10. 

    A compounded sterile parenteral dosage form that will be parenterally administered is

    • A.

      Coring

    • B.

      Depth filter

    • C.

      Compounded sterile preparation (CSP)

    • D.

      Gauge

    Correct Answer
    C. Compounded sterile preparation (CSP)
    Explanation
    A compounded sterile preparation (CSP) is the correct answer because it refers to a dosage form that is prepared in a sterile environment and is intended for parenteral administration, meaning it is administered through injection or infusion. This ensures that the medication is free from any contaminants and is safe for direct injection into the body. Coring refers to the formation of a hole in a rubber stopper, depth filter is a filtration device, and gauge is a measurement unit for the size of needles.

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  • 11. 

    The rate (in ml/hour or ml/minute) at which the solution is administered to the patient is

    • A.

      Gauge

    • B.

      Coring

    • C.

      Diluent

    • D.

      Flow rate

    Correct Answer
    D. Flow rate
    Explanation
    The flow rate refers to the rate at which the solution is administered to the patient, measured in ml/hour or ml/minute. It indicates how quickly the solution is being delivered into the patient's bloodstream. The flow rate is an important parameter to monitor and control during medical procedures to ensure the correct dosage and timing of the solution being administered. Therefore, out of the given options, "flow rate" is the most relevant term that describes the rate of solution administration.

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  • 12. 

    An injection device used when a primary LVP solution is not a drug available is

    • A.

      Heparin lock

    • B.

      Bevel

    • C.

      Final filter

    • D.

      Ampules

    Correct Answer
    A. Heparin lock
    Explanation
    A heparin lock is a device used when a primary LVP (Large Volume Parenteral) solution is not a drug available. It is a small catheter that is inserted into a vein and capped with a heparin-filled lock to prevent clotting. This allows intermittent access to the vein for medication administration or blood sampling without the need for continuous infusion. The other options, such as bevel (a slanted edge on a needle), final filter (a filter used to remove particles from a solution), and ampules (small sealed glass containers for storing medication), are not related to the use of LVP solutions.

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  • 13. 

    A drug that is added to a parenteral solution is

    • A.

      Admixture

    • B.

      Anhydrous

    • C.

      Dialysis

    • D.

      Flash ball

    Correct Answer
    A. Admixture
    Explanation
    An admixture refers to a drug that is added to a parenteral solution. Parenteral solutions are administered through routes other than the digestive tract, such as intravenous or intramuscular injections. Adding a drug to a parenteral solution allows for easy administration and ensures that the drug is properly mixed and distributed within the solution. Anhydrous refers to a substance without water, dialysis is a medical procedure to remove waste products from the blood, and flash ball is not related to the administration of drugs.

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  • 14. 

    Without water molecules is called

    • A.

      Gauge

    • B.

      Anhydrous

    • C.

      SQ

    • D.

      Bevel

    Correct Answer
    B. Anhydrous
    Explanation
    Anhydrous refers to a substance that is completely devoid of water molecules. In this context, it means that the term "without water molecules" is synonymous with anhydrous. Gauge, SQ, and Bevel do not have any direct relation to the absence of water molecules.

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  • 15. 

    When a needle damages the rubber closure of a parenteral container causing fragments to fall into  the container, it is called

    • A.

      Coring

    • B.

      Syringe ability

    • C.

      Final filter

    • D.

      Bevel

    Correct Answer
    A. Coring
    Explanation
    Coring refers to the situation when a needle damages the rubber closure of a parenteral container, causing fragments of rubber to fall into the container. This can occur during the process of withdrawing medication from the container using a needle and syringe. Coring can contaminate the medication and potentially lead to health risks if the rubber fragments are injected into the patient's body. It is important to be aware of this issue and take precautions to prevent coring when administering parenteral medications.

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  • 16. 

    A filter that can filter solutions being drawn into or out of a syringe, but not both ways in the same procedure is

    • A.

      Depth filter

    • B.

      Web filter

    • C.

      Membrane filter

    • D.

      Final filter

    Correct Answer
    A. Depth filter
    Explanation
    A depth filter is a type of filter that can effectively filter solutions being drawn into or out of a syringe in one direction only, without allowing flow in the opposite direction. This is achieved through its unique structure, which consists of a porous material that traps particles and contaminants as the solution passes through it. The depth filter's design prevents backflow, ensuring that the filtered solution remains separate from the unfiltered solution.

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  • 17. 

    A drug's molecular weight divided by its valence, a common measure of electrolyte concertation is

    • A.

      Coring

    • B.

      Valence

    • C.

      Flow rate

    • D.

      Equivalent weight

    Correct Answer
    D. Equivalent weight
    Explanation
    Equivalent weight is the correct answer because it is a common measure of electrolyte concentration. It is calculated by dividing a drug's molecular weight by its valence. Equivalent weight represents the number of ions that a drug molecule can produce in a solution, which is important for determining its concentration and effectiveness.

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  • 18. 

    Flexible rubber tubing near the needle adapter of an administration set used to determine if the needle is properly placed in the vein is

    • A.

      Flash ball

    • B.

      Piggy back

    • C.

      Heparin lock

    • D.

      LVP

    Correct Answer
    A. Flash ball
    Explanation
    A flash ball is a small, flexible rubber tubing near the needle adapter of an administration set. It is used to determine if the needle is properly placed in the vein by allowing a small amount of blood to flow into the tubing, indicating successful placement.

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  • 19. 

    The chemicals produced by microorganisms that can cause fever reactions in patients are

    • A.

      Bacteria

    • B.

      Viruses

    • C.

      Pyrogens

    • D.

      Microorganisms

    Correct Answer
    C. Pyrogens
    Explanation
    Pyrogens are substances produced by microorganisms that can cause fever reactions in patients. They stimulate the body's immune system to release chemicals called cytokines, which then trigger the hypothalamus in the brain to raise the body's temperature. This fever response is a natural defense mechanism against infection, as it helps to inhibit the growth of certain microorganisms. Therefore, pyrogens play a crucial role in the body's immune response to microbial infections.

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  • 20. 

    The molecular particles that carry electric charges are

    • A.

      Ions

    • B.

      Isotonic

    • C.

      Hypotonic

    • D.

      Lyophilized

    Correct Answer
    A. Ions
    Explanation
    Ions are the molecular particles that carry electric charges. Ions are formed when atoms gain or lose electrons, resulting in a positive or negative charge. They are essential for many biological processes and are involved in nerve conduction, muscle contraction, and chemical reactions in the body. Isotonic, hypotonic, and lyophilized are not molecular particles that carry electric charges, so they are not the correct answer.

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  • 21. 

    When a solution has an osmolarity equivalent to that of blood, it is called

    • A.

      Hypotonic

    • B.

      Isotonic

    • C.

      Hypertonic

    • D.

      Therapeutic

    Correct Answer
    B. Isotonic
    Explanation
    When a solution has an osmolarity equivalent to that of blood, it is called isotonic. This means that the concentration of solutes in the solution is the same as that in blood, resulting in no net movement of water across the cell membrane. Isotonic solutions are commonly used in medical settings to maintain fluid balance and prevent cell shrinkage or swelling.

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  • 22. 

    When a solution has a lesser osmolarity than that of blood, it is called

    • A.

      Hypotonic

    • B.

      Hypertonic

    • C.

      Isotonic

    • D.

      Tonic

    Correct Answer
    A. Hypotonic
    Explanation
    A solution is considered hypotonic when its osmolarity is lower than that of blood. This means that the concentration of solutes in the solution is lower than the concentration of solutes in the blood. In a hypotonic solution, water will move into the cells through osmosis, causing them to swell and potentially burst.

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  • 23. 

    When a solution has a greater osmolarity than that of blood, it is called

    • A.

      Osmotic pressure

    • B.

      Osmosis

    • C.

      Hypertonic

    • D.

      Isotonic

    Correct Answer
    C. Hypertonic
    Explanation
    A solution is called hypertonic when it has a greater osmolarity than that of blood. Osmolarity refers to the concentration of solutes in a solution. In a hypertonic solution, there is a higher concentration of solutes compared to the blood. This difference in osmolarity causes water to move out of the cells through osmosis, leading to cell shrinkage or dehydration.

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  • 24. 

    Freeze dried

    • A.

      Valence

    • B.

      Irrigation solution

    • C.

      Lyophilized

    • D.

      Pyrogen

    Correct Answer
    C. Lyophilized
    Explanation
    Lyophilized refers to the process of freeze-drying a substance, typically a pharmaceutical or biological product, to remove the water content. This process involves freezing the substance and then subjecting it to a vacuum, causing the frozen water to sublimate directly from solid to gas without passing through the liquid phase. The resulting lyophilized product is stable and can be easily reconstituted by adding a suitable solvent. Therefore, the term "lyophilized" is the most appropriate choice among the given options.

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  • 25. 

    Complex solutions with two base solutions (amino acids and dextrose) and additional micro-nutrients

    • A.

      TNA

    • B.

      TPA

    • C.

      Admixture

    • D.

      Ready-to-mix

    Correct Answer
    B. TPA
    Explanation
    The given answer "TPA" is correct because TPA stands for "Total Parenteral Nutrition Admixture," which refers to a complex solution used in parenteral nutrition. TPA contains two base solutions, amino acids, and dextrose, along with additional micro-nutrients. It is a ready-to-mix admixture used for patients who cannot consume food orally and need to receive nutrition intravenously.

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  • 26. 

    A TPN sol. that contains intravenous fat emulsion

    • A.

      TNA

    • B.

      TPA

    • C.

      SAT

    • D.

      ACT

    Correct Answer
    A. TNA
    Explanation
    TNA stands for Total Nutrient Admixture, which is a type of TPN (Total Parenteral Nutrition) solution that contains intravenous fat emulsion. TNA is a complete nutritional solution that provides essential macronutrients (carbohydrates, proteins, and fats) and micronutrients (vitamins and minerals) to patients who are unable to consume food orally. It is administered intravenously to meet the patient's nutritional needs and support their overall health and well-being.

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  • 27. 

    Name the action in which a drug in a higher concentration solution passes through a permeable membrane to a lower concentration solution.

    • A.

      Osmosis

    • B.

      Membrane filiter

    • C.

      Isotonic

    • D.

      Final filter

    Correct Answer
    A. Osmosis
    Explanation
    Osmosis is the process in which a drug in a higher concentration solution passes through a permeable membrane to a lower concentration solution. In osmosis, solvent molecules move from an area of lower solute concentration to an area of higher solute concentration, in order to equalize the concentration on both sides of the membrane. This movement of solvent molecules allows the drug to pass through the membrane and reach the lower concentration solution.

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  • 28. 

    Which solution is placed in and emptied from the peritoneal cavity to remove toxic substances?

    • A.

      Irrigation solution

    • B.

      Peritoneal dialysis solution

    • C.

      Solutions

    • D.

      Sterile solution

    Correct Answer
    B. Peritoneal dialysis solution
    Explanation
    Peritoneal dialysis solution is the correct answer because it is specifically designed to be placed in and emptied from the peritoneal cavity during the process of peritoneal dialysis. Peritoneal dialysis is a treatment for kidney failure where a catheter is used to fill the peritoneal cavity with the dialysis solution, which helps remove waste and excess fluids from the body. This solution contains electrolytes and other substances that help in the filtration process, making it the appropriate choice for removing toxic substances from the peritoneal cavity.

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  • 29. 

    What is the large volume splash solutions used during surgical or urologic procedures to bathe and moisten body tissues?

    • A.

      Isotonic

    • B.

      Osmotic pressure

    • C.

      Irrigation solution

    • D.

      Osmosis

    Correct Answer
    C. Irrigation solution
    Explanation
    During surgical or urologic procedures, irrigation solutions are used to bathe and moisten body tissues. These solutions help to clean the area, remove debris, and maintain tissue hydration. They are typically large volume splashes that are used to flush the area and ensure proper irrigation. Isotonic and osmotic pressure are not specific to irrigation solutions, while osmosis refers to the movement of water across a semipermeable membrane and is not directly related to irrigation solutions. Therefore, the correct answer is irrigation solution.

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  • 30. 

    The continuous movement at a uniform rate in one direction is called.

    • A.

      Horizontal flow

    • B.

      Vertical flow

    • C.

      Laminar flow

    • D.

      BSC

    Correct Answer
    C. Laminar flow
    Explanation
    Laminar flow refers to the continuous movement of a fluid in a uniform manner in one direction. In this type of flow, the fluid particles move in parallel layers without any mixing or turbulence. It is characterized by smooth and predictable flow patterns, with the particles moving in straight lines or parallel streamlines. Laminar flow is often observed in low-viscosity fluids and at low flow rates.

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  • 31. 

    Different types of syringe tips

    • A.

      Piggy backs

    • B.

      Sharps

    • C.

      Guage

    • D.

      Slip-Tip, Luer-Lok, eccentric, oral ____

    Correct Answer
    D. Slip-Tip, Luer-Lok, eccentric, oral ____
  • 32. 

    The part of the needle which attaches to the syringe is called.

    • A.

      Hub

    • B.

      Slip tip

    • C.

      Plunger

    • D.

      Ampule

    Correct Answer
    A. Hub
    Explanation
    The part of the needle that attaches to the syringe is called the hub.

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  • 33. 

    The stem of the needle that provides the overall lenght of the needle

    • A.

      Sharps

    • B.

      Shaft

    • C.

      Luer-lok

    • D.

      Gauge

    Correct Answer
    B. Shaft
    Explanation
    The stem of the needle is referred to as the shaft. The shaft is the long, cylindrical part of the needle that provides the overall length of the needle. It is the portion of the needle that is inserted into the body during medical procedures. The other options listed (sharps, luer-lok, gauge) do not accurately describe the stem of the needle.

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  • 34. 

    The hollow center of a needle

    • A.

      Tunnel

    • B.

      Barrel

    • C.

      Lumen

    • D.

      Valence

    Correct Answer
    C. Lumen
    Explanation
    The correct answer is lumen. A lumen refers to the hollow center of a needle or any tubular structure. It is the space inside the needle through which fluids or substances can pass. In this context, lumen is the most appropriate term as it specifically describes the interior of the needle or tunnel-like structure. The other options, such as tunnel, barrel, and valence, do not accurately represent the hollow center of a needle.

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  • 35. 

    A filter that filters solution as the solution is expelled from the syringe

    • A.

      Final filter

    • B.

      Hepa filter

    • C.

      Deptfilter

    • D.

      Membrane filter

    Correct Answer
    D. Membrane filter
    Explanation
    A membrane filter is used as the final filter in a syringe to remove any impurities or particles from the solution as it is expelled. This type of filter has a porous membrane that allows liquid to pass through while trapping any solid particles or contaminants. It ensures that the solution is clean and free from any unwanted substances before it is administered or used in further processes.

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  • 36. 

    A characteristic of a solution determined by the number of dissolved particles in it

    • A.

      Osmosis

    • B.

      Osmosis pressure

    • C.

      Valence

    • D.

      Sharps

    Correct Answer
    B. Osmosis pressure
    Explanation
    Osmosis pressure is a characteristic of a solution determined by the number of dissolved particles in it. Osmosis is the movement of solvent molecules from an area of lower solute concentration to an area of higher solute concentration through a semipermeable membrane. The pressure exerted by this movement is known as osmosis pressure. It is directly related to the number of dissolved particles in the solution, as a higher concentration of solute particles leads to a greater osmosis pressure. Therefore, osmosis pressure is a measure of the concentration of a solution and its ability to exert pressure on the surrounding environment.

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  • 37. 

    Any object that can puncture or cut the skin of anyone who handles them

    • A.

      Sharps

    • B.

      Bevel

    • C.

      Coring

    • D.

      Cut

    Correct Answer
    A. Sharps
    Explanation
    The term "sharps" refers to any object that has the potential to puncture or cut the skin of anyone who handles them. This could include items such as needles, knives, or broken glass. The term "sharps" is commonly used in healthcare settings to refer to objects that may pose a risk of injury or infection if not handled properly.

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  • 38. 

    Small volume soltuions connected to an LVP

    • A.

      Pyrogens

    • B.

      Piggybacks

    • C.

      Hypotonic

    • D.

      SVP

    Correct Answer
    B. Piggybacks
    Explanation
    Piggybacks refer to small volume solutions that are connected to a large volume parenteral (LVP) bag or container. These solutions are typically administered alongside the main medication or fluid being infused. They are used to deliver additional medications, electrolytes, or nutrients without the need for a separate IV line. Piggybacks are commonly used in healthcare settings to avoid the need for multiple IV access points and to simplify medication administration.

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  • 39. 

    The sum of the atomic weights of a molecule

    • A.

      Valence

    • B.

      Isotonic

    • C.

      Molecular weight

    • D.

      SQ

    Correct Answer
    C. Molecular weight
    Explanation
    Molecular weight refers to the sum of the atomic weights of all the atoms in a molecule. It is calculated by adding up the atomic masses of each individual atom in the molecule. This value is important in various scientific fields, such as chemistry and biochemistry, as it helps in determining the physical and chemical properties of substances. The molecular weight provides insight into the size and mass of a molecule, which can be useful in understanding its behavior and interactions with other molecules.

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  • 40. 

    Water molecules that attach to drug molecules

    • A.

      Waters of hydration

    • B.

      Hyptonic

    • C.

      Aq

    • D.

      Solution

    Correct Answer
    A. Waters of hydration
    Explanation
    The term "waters of hydration" refers to water molecules that are tightly bound to drug molecules. These water molecules are essential for the stability and solubility of the drug. In this context, the mention of "hyptonic" and "aq" solution suggests that the drug is dissolved in water, forming a solution where the drug molecules are surrounded by water molecules. Thus, the correct answer refers to the water molecules that attach to drug molecules in a solution.

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  • 41. 

    The number of positive or negative charges on an ino

    • A.

      Valence

    • B.

      Ions

    • C.

      Molecule weights

    • D.

      Hypotonic

    Correct Answer
    A. Valence
    Explanation
    Valence refers to the number of positive or negative charges on an ion. It determines the combining capacity of an atom and helps in understanding the chemical behavior of elements. It is an important concept in chemistry as it helps in predicting the type and number of bonds an atom can form with other atoms.

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  • 42. 

    A speicially designed minibag where a drug is put into the SVP fluid just prior to administration

    • A.

      Ready-to-mix

    • B.

      Admixture

    • C.

      TPN

    • D.

      TNA

    Correct Answer
    A. Ready-to-mix
    Explanation
    A ready-to-mix product refers to a medication or drug that is already prepared and packaged in a convenient form, such as a minibag, where it can be easily mixed with a solution or fluid, like SVP fluid, just before it is administered to the patient. This eliminates the need for additional preparation or measuring of the drug, making it more convenient and time-saving for healthcare professionals.

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  • 43. 

    A laminar flow hood where the ari crosses the work area in a horizontal direction

    • A.

      Veritical hood

    • B.

      Laminar hood

    • C.

      Hepa

    • D.

      Horizontal flow hood

    Correct Answer
    D. Horizontal flow hood
    Explanation
    A horizontal flow hood is the correct answer because it describes a laminar flow hood where the air crosses the work area in a horizontal direction. This type of hood is designed to provide a clean and sterile work environment by directing the airflow in a specific direction to prevent contamination. The horizontal flow hood ensures that any particles or contaminants are carried away from the work area, making it suitable for applications that require a high level of cleanliness and protection.

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  • 44. 

    A laminar flow hood where the air crosses the work area in a veritical direction

    • A.

      Horizontal flow hood

    • B.

      Vertical flow hood

    • C.

      Laminar hood

    • D.

      Biological Safety Cabinet

    Correct Answer
    B. Vertical flow hood
    Explanation
    The correct answer is a vertical flow hood because it describes a laminar flow hood where the air crosses the work area in a vertical direction. This means that the air is flowing from the top of the hood downwards, creating a clean and sterile environment for working with sensitive materials. Horizontal flow hoods, on the other hand, have the air flowing from the back of the hood towards the front, which may not provide the same level of protection. Laminar hood and Biological Safety Cabinet are general terms that can refer to either vertical or horizontal flow hoods, so they are not as specific as the correct answer.

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  • 45. 

    Which parenteral solution is not required to be sterile?

    • A.

      Subcutaneous injection

    • B.

      Vaginal

    • C.

      Intranasal

    • D.

      Inhalation

    Correct Answer
    B. Vaginal
    Explanation
    Unlike subcutaneous injection, intranasal, and inhalation routes, the vaginal route does not require the parenteral solution to be sterile. The vaginal environment has its own natural defense mechanisms, such as a low pH and presence of beneficial bacteria, which can help prevent infection. Therefore, it is not necessary for the parenteral solution used in the vaginal route to be sterile.

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  • 46. 

    Pyrogens

    • A.

      Grow in parenteral solutions

    • B.

      Are not water soluble

    • C.

      Produce fever

    • D.

      Can be removed by filtration

    Correct Answer
    C. Produce fever
    Explanation
    Pyrogens are substances that can cause fever. They are not water-soluble and can grow in parenteral solutions. They can also be removed by filtration. Therefore, the correct answer is that pyrogens produce fever.

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  • 47. 

    The purpose of USP/NF 797 is the prevent harm and fatality to patients that can result from

    • A.

      Nonsterile formulation

    • B.

      Excessive bacterial endotoxins

    • C.

      Large errors in the strengtht of correct ingredients

    • D.

      All of the above

    Correct Answer
    D. All of the above
    Explanation
    USP/NF 797 is a set of guidelines and standards aimed at preventing harm and fatalities to patients. It addresses various risks associated with nonsterile formulation, excessive bacterial endotoxins, and large errors in the strength of correct ingredients. By encompassing all of these factors, USP/NF 797 ensures that medications are prepared and administered safely, minimizing the potential risks and promoting patient safety.

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  • 48. 

    Multidose vials

    • A.

      Can be reused within 48 hours if refrigerated

    • B.

      Can be reused within 24 yours if refrigerated

    • C.

      Do not contain preservatives

    • D.

      Contain preservatives

    Correct Answer
    D. Contain preservatives
    Explanation
    Multidose vials contain preservatives. Preservatives are added to prevent the growth of bacteria or other microorganisms in the vial, which helps to maintain the sterility of the contents. This is important because once a multidose vial is opened and used, there is a risk of contamination. The preservatives in the vial help to minimize this risk and allow for the vial to be safely reused within the specified time frame.

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  • 49. 

    Irregaton solutions are administered

    • A.

      Throguh a filter needle

    • B.

      Through a special administration set

    • C.

      Orally

    • D.

      By pouring them out of the bottle

    Correct Answer
    D. By pouring them out of the bottle
    Explanation
    Irrigation solutions are administered by pouring them out of the bottle. This means that the solutions are directly poured or emptied from the bottle onto the area that needs irrigation. This method is commonly used for irrigation purposes as it allows for easy and direct application of the solution. Other methods mentioned in the options, such as using a filter needle or a special administration set, are not applicable for administering irrigation solutions. The correct method is to pour the solution out of the bottle.

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  • 50. 

    The horizontal laminar flow hoods, air blows

    • A.

      Down toward the work area

    • B.

      Away from the operator

    • C.

      Toward the operator

    • D.

      Up toward the HEPA filter

    Correct Answer
    C. Toward the operator
    Explanation
    The correct answer is "away from the operator". In horizontal laminar flow hoods, the air is designed to blow in a horizontal direction, creating a clean and sterile work area. This airflow is carefully directed to flow away from the operator, carrying any potential contaminants or particles away from them and towards the HEPA filter. This helps to maintain a safe and controlled environment for the operator and the work being conducted.

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Quiz Review Timeline +

Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Mar 22, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Nov 28, 2011
    Quiz Created by
    Ashleycream
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