MPS: Venipuncture, Injections, IVs, and ABGs Procedures Practice Test

These questions are part of the practice quiz. Start practicing

• What needle gauge and length are standard for intradermal injections?
• What are the primary indications for using light blue top tubes?
• If an IV catheter shows signs of infection at the insertion site, what should be done?
• What needle gauge is typically used for routine venipuncture in adults?
• Which statement about ABG sample handling is correct?
• Which site is not appropriate for intradermal injections?
• If intradermal injection bevel is outside the skin, which outcome is most consistent?
• Why are blood culture bottle tops cleaned with alcohol before inoculation even if brand new?
• Which vasovagal complication can occur during or immediately after venipuncture?
• Which ABG values indicate acid-base balance and metabolic status?
• Historically, why was needle aspiration performed before a dorsogluteal intramuscular injection?
• For administering viscous medications intramuscularly, using a larger bore needle helps because it:
• Which vein located in the antecubital fossa is the first choice for standard venipuncture?
• A vesicant chemotherapy agent leaks into the skin surrounding the vein, causing severe tissue damage. What term defines this?
• How long must direct manual pressure be held over the arterial site after withdrawing an ABG needle?
• Which actions secure a peripheral IV site after placement?
• What insertion angle is recommended when inserting a winged butterfly needle into a vein?
• Which ABG value best reflects ventilatory status?
• Which site is NOT a typical intramuscular injection site in adults?
• Which gauge range is typically chosen when rapid fluid resuscitation is required?
• Which needle gauge and length are appropriate for an adult deltoid intramuscular vaccine?
• At what angle should a standard Vacutainer needle be inserted into the skin during venipuncture?
• Using the smallest gauge possible during venipuncture mainly reduces which issue?
• What is the recommended maximum tourniquet time during venipuncture to minimize hematocrit changes?
• Where should the tourniquet be placed and how long should it remain on during venipuncture?
• What are the drawbacks of using metacarpal veins on the dorsum of the hand for venipuncture?
• How can you verify IV patency after cannulation?
• Which ABG value reflects the respiratory component of acid-base status?
• Which statement correctly describes needle length for intramuscular (IM) versus subcutaneous (SubQ) injections?
• If a patient requires venipuncture but the median cubital region is heavily scarred, what is an appropriate alternative?
• What is the minimum blood volume per bottle required for proper adult blood culture sampling?
• Which statement about subcutaneous injection sites is NOT correct?
• Which needle size is used for drawing blood from an infant with tiny veins, selecting the most appropriate among options?
• What role does aseptic technique play in venipuncture and ABG collection?
• In a patient with a left mastectomy and a functioning IV in the opposite arm, what is the correct approach to blood draw?
• What are the main indications for peripheral intravenous catheterization?
• What is the primary diagnostic indication for performing a venipuncture?
• When should you change or remove an IV catheter?
• What is the purpose of a heparin lock in IV therapy?
• What is the purpose of obtaining two blood culture sets from separate venipuncture sites?
• What skin preparation routine is specified before drawing blood cultures?
• An adult patient receives a 1.5 cc non-irritating vaccine into the deltoid. Which needle gauge and length should be used?
• Which of the following is NOT listed as a potential vascular complication of an arterial blood gas procedure?
• At what angle should the needle be inserted when puncturing the radial artery for an ABG?
• Which collection tube top color contains sodium or lithium heparin?
• How does heparin in green top tubes prevent blood coagulation?
• Should manual aspiration be performed while pulling blood during an arterial blood gas sample?
• In ABG collection, what is the purpose of the Allen test?
• Which are likely indicators of arterial sample contamination that could affect ABG results?
• Which ABG component reflects metabolic status?
• What are the typical needle gauge and length for subcutaneous injections in adults, and at what angle?
• A nurse inserts an ABG needle into the radial artery at 45 degrees. Blood flashes and fills the syringe automatically. What is the next step?
• What is the primary initial medical approach when managing a patient with suspected air embolism?
• Which tube type should be drawn first according to the standard order of draw?
• Which IV catheter gauge range is appropriate for small veins?
• What is a key difference in skill requirements between venipuncture and arterial puncture for ABG collection?
• How should an ABG sample syringe be transported if transport to the laboratory is delayed?
• Why discard the first 5 mL of blood when drawing from an arm with an IV?
• Which anticoagulant is used in ABG syringes and why?
• What technique reduces injection pain and tissue damage when giving IM injections?
• During radial ABG sampling, which angle is correct for needle entry?
• Why should the bevel be oriented up during venipuncture?
• How should venipuncture be handled if a patient has an active IV running in the chosen arm and no opposite arm site is available?
• Which statement describes an IM injection site not listed among the primary adult sites?
• In intradermal injections, how should the needle be oriented relative to the skin?
• A patient requires intramuscular injection of a viscous medication into the gluteal muscle. Which needle gauge is recommended?
• How should used needles and syringes be disposed?
• Which sign is a common indication of IV fluid infiltration?
• Which ABG parameter primarily assesses ventilation adequacy?
• Which statement best describes the primary use of light blue top tubes?
• Why is it important to keep the venipuncture site clean and dry after collection?
• In the context of air embolism management, what is the initial priority?
• What is the pharmacological indication for utilizing the subcutaneous injection route?
• What is the correct sequence for cleansing the venipuncture site before insertion?
• Which color top tube is used for samples requiring EDTA?
• What is the key difference between venipuncture and capillary puncture?
• What complication occurs when IV fluids escape into surrounding tissue?
• Which condition is NOT a typical infectious complication of venipuncture?
• What clinical conditions prompt the indication for obtaining blood cultures?
• After cleansing the venipuncture site, what is the recommended next step?
• Which term describes leakage of IV fluids into surrounding tissue that does not involve tissue necrosis?
• During venipuncture with a butterfly needle, what is the next physical step after a blood flashback is observed?
• If a tourniquet is left on for three minutes before drawing, what lab finding is most likely?
• A patient with a left-sided mastectomy needs blood drawn, and the right arm has a running IV. How should the draw proceed?
• What is the maximum recommended time a tourniquet should remain applied during venipuncture preparation?
• What are the hygiene and aseptic requirements for IV catheter insertion?
• When should blood cultures be obtained relative to starting antibiotics?
• How far above the intended puncture site should a tourniquet be applied?
• Why is labeling ABG samples with date, time, and site important?
• What anatomical sites are appropriate for subcutaneous injections in adults?
• Which vein is NOT a typical site for venipuncture?
• What constitutes a complete blood culture bottle collection kit?
• Why should ABG samples be kept on ice if analysis is delayed?
• What are the active additives inside grey top collection tubes and their mechanisms?
• What is the purpose of including sodium fluoride in gray top tubes when drawing blood for alcohol testing?
• Which statement correctly describes bevel orientation during venipuncture with a winged butterfly needle?
• What are the three main diagnostic indicators evaluated by an Arterial Blood Gas (ABG)?
• What needle gauges and lengths are standard for subcutaneous injections in adults?
• Which color tube is typically used when testing requires prevention of glycolysis?
• Which items should be documented after performing venipuncture?
• At what angle relative to the skin should the needle be inserted during venipuncture?
• Which tube color is used for blood alcohol, lactic acid, and delayed glucose testing?
• What are essential steps to prepare a patient for ABG collection?
• A blood culture yields Staphylococcus epidermidis in one of four bottles. How should this be interpreted?
• What is the first step in emergency management if air embolism is suspected during IV therapy?
• Which scenario warrants scheduled rotation of an IV catheter?
• What level of oxygen should be administered in suspected air embolism?
• Where is the most common site for blood draw?
• Which of the following is NOT part of the 7 Rights of Injections?
• What additive is contained in red or gold (tiger top) blood collection tubes?
• If two sets of blood cultures are ordered, where should the second set be drawn anatomically?
• Which infectious complications are associated with venipuncture?
• Which statement describes a contraindication to venipuncture due to venous fibrosis?
• An IV line shows swelling, coolness, and pallor around the insertion site without tissue necrosis. What complication is present?
• What is the maximum volume of a non-irritating solution that can be safely injected into the deltoid muscle?
• Which method is used to secure IV tubing after placement?
• If a venipuncture attempt fails, which is an appropriate next step?
• A patient requires a large blood volume sample. Why is venipuncture selected over finger-stick?
• How long should direct pressure be maintained on the puncture site following straight-stick venipuncture?
• After completing an ABG draw, a patient with no bleeding disorders asks how long pressure must be held. What is the answer?
• Which patient education points should be provided after venipuncture?
• Why is sodium fluoride included in gray top tubes when drawing blood for alcohol levels?
• Which finding would contraindicate radial artery puncture?
• After peripheral IV placement, which dressing is recommended?
• Under what condition is the deltoid site acceptable for intramuscular injection?
• What primary laboratory departments utilize lavender top blood collection tubes?
• Which statement best describes ABG components?
• Name two common IV therapy complications and one prevention for each.
• What is the recommended antisepsis protocol and drying time before performing a venipuncture?
• Into an intramuscular injection, at what angle relative to the skin surface should the needle be introduced?
• Before performing venipuncture, which statement best describes two essential patient-identification steps?
• Which equipment minimizes vein collapse when drawing blood from an infant with tiny, fragile veins?
• NOT a common sign of an infiltrated IV site?
• What characteristic of the median cubital vein contributes to its suitability for venipuncture?
• After drawing an ABG sample, what handling steps are required?
• What are the seven elements of the 'Rights of Injections' that must be observed before medication administration?
• Which blood collection tube top color contains Potassium EDTA?
• What is the bevel orientation when inserting the needle for venipuncture?
• A patient on IV fluids develops sudden dyspnea, coughing, and chest pain after unprimed tubing is attached. What is the diagnosis?
• Which option correctly identifies the additive used in light blue top tubes?
• Which single organism finding often signals skin flora contamination in a blood culture set?
• Which veins on the dorsum of the hand are less ideal due to a higher likelihood of rolling and collapse under vacuum?
• What color and gauge of needle is typically recommended for standard adult venipuncture?
• Which artery is most commonly used for ABG sampling?
• Which statement best describes how the angle for subcutaneous injections is determined?
• Why is the median cubital vein preferred for venipuncture compared with other antecubital veins?
• Why is blood culture contamination clinically harmful to patient care?
• What is the correct order of draw for venipuncture tubes including culture bottles?
• What orientation should the bevel have during needle insertion for venipuncture?
• Which test must be documented before performing a radial artery puncture?
• Which tube top is lavender and contains EDTA?
• When choosing needle gauge for venipuncture to balance patient comfort and sample integrity, what is advised?
• When collecting blood for coagulation tests, CBC, and blood cultures, what is the correct order of draw?
• Approximately how much rapidly entered vascular air is required to produce a clinical air embolism?
• After filling evacuated tubes, which practice is recommended for sample handling?
• Is aspiration required prior to administering routine intramuscular vaccines?
• Why should areas of cellulitis or skin rashes be avoided during venipuncture?
• What physical feature must be produced under the skin during a correct intradermal injection?
• Which two veins are commonly used as alternatives to the median cubital vein for venipuncture?
• What condition of the extremity skin or vascular supply serves as a contraindication for ABG sampling?
• Which of the following describes signs that suggest IV patency problems or occlusion?
• Which IV catheter gauge range is chosen when large fluid resuscitation volumes are required?
• Which statement is NOT part of the essential steps to prepare a patient for ABG collection?
• Which color top is used for citrate in the order of draw?
• What gauge and length of needle are typically chosen for adult intramuscular injections?
• During suspected air embolism, which patient position is recommended if feasible?
• What physiological effect occurs if a tourniquet is left on longer than 1 minute?
• If the needle inadvertently enters a blood vessel during an IM injection, what is the most likely outcome?
• Which anatomical locations are commonly used for intradermal injections?
• What is the typical maximum volume for an intramuscular injection in the deltoid for adults?
• What is the purpose of flushing an IV line with 0.9% saline during patency assessment?
• A patient develops a localized swelling and bruise at the venipuncture site after the procedure. What is this most likely?
• Which sites are considered acceptable for intramuscular injections in adults?
• What initial step must be taken with IV tubing prior to connecting it to a catheter to prevent complications?
• Which of the following are classic signs of phlebitis to monitor during IV therapy?
• For IM deltoid injections in adults, what is the typical maximum volume?
• Before performing a radial ABG, squeezing the radial and ulnar arteries produces no palmar flush upon ulnar release. What action is indicated?
• Why must an extremity with an active vascular access device or dialysis shunt be avoided for venipuncture?
• Which terms describe non-vesicant leakage versus vesicant leakage during IV therapy?
• A phlebotomist notices extensive scarring and venous fibrosis on a patient's median cubital region. Where should they look for a suitable venous access site?
• What local tissue finding on vein palpation serves as a contraindication to venipuncture?
• Which of the following is a sign that should be reported as a complication after venipuncture?
• Which vein is most commonly used for peripheral venipuncture?
• Which statement best explains why skin disinfection is performed before drawing blood cultures?
• Which tube type is typically drawn first in the standard order of draw?
• What is the preferred method for obtaining a large-volume blood sample for diagnostic panels?
• What is the clinical purpose of the gel present inside gold/tiger top tubes?
• If more than 2 mL is required for an IM injection, which site is appropriate?
• What is one technique to reduce hemolysis risk during blood collection?
• Which of the following is a common contraindication to performing venipuncture?
• Which practice is NOT advisable for ABG sample handling?
• In ABG sample handling, which statement is correct to preserve gas values?
• Should the skin be tight or loose when punctured?
• Why is venipuncture contraindicated on the upper extremity ipsilateral to a prior mastectomy?
• How does catheter gauge number relate to catheter diameter?
• Capillary puncture is typically performed at which sites?
• What is the mechanism of action of sodium citrate in light blue top tubes?
• Which option best describes the correct labeling of cleaning bottle tops before inoculation?
• Which technique helps stabilize the vein during venipuncture?
• What is a recommended prevention for phlebitis?
• What local vascular collection of blood can form at a venipuncture puncture site?
• Which color top tube is used to prevent coagulation by EDTA and is commonly used for hematology testing?
• If Staphylococcus epidermidis is detected in only one of several blood culture bottles, what is the most likely interpretation?
• After filling evacuated blood collection tubes, how should they be handled?
• Which top color is used for serum tubes in the order of draw?
• Which scenario is most consistent with skin flora contamination in a blood culture?
• Which factors can cause false ABG pH readings if the sample is mishandled?
• Which of the following is among the arterial puncture sites used for ABG sampling?
• Which injection type typically uses a needle length of 1.5 inches?
• For a PPD tuberculosis skin test, what needle angle and depth are required?
• Which color top tube contains 3.2% sodium citrate?
• Which term describes leakage of vesicant chemotherapy into surrounding tissue causing tissue damage?
• What does a shooting pain radiating down an extremity after an IM injection commonly indicate?
• In grey top tubes, which additive combination is used and what is its mechanism?
• What is the preferred subcutaneous injection site in infants receiving immunizations?
• What is the primary pharmacological indication for intramuscular injections?
• For venipuncture on hand veins or fragile veins, what gauge needle or device is recommended?
• What are common clinical respiratory symptoms of a venous air embolism?
• During venipuncture, a patient turns pale, diaphoresis develops, and blood pressure drops. Which complication has occurred?
• In blood culture collection, does each set include an aerobic and an anaerobic bottle?
• During an intradermal injection, there is no wheal and liquid leaks out. What likely went wrong?
• Which of the following is a primary clinical indication for an intradermal injection?
• What should you do if a patient faints during phlebotomy?
• Should the bevel be up or down for injections?
• What finding regarding bacterial growth across multiple blood culture samples suggests contamination?
• Which option correctly lists the arterial puncture sites commonly used for ABG sampling?
• Which elements should be included on a specimen label after collection?
• Prolonged application of a tourniquet during venipuncture is most likely to cause which lab effect?
• What are the primary adult anatomical sites for intramuscular injections?
• Which color top tube is used for CBC testing in venipuncture?
• What absolute physical finding contraindicates performing a radial artery puncture for ABG?
• Which specialized needle device is recommended when performing venipuncture on hand veins or fragile veins?
• What term describes the leakage of vesicant medications into tissue during IV therapy?
• Which statement about manual aspiration during ABG collection is true?
• What are common intramuscular injection sites in children?
• Which strategies can reduce pain for anxious patients during venipuncture?
• How should the vein be anchored before needle insertion?
• At what angle should a subcutaneous injection needle be inserted into pinched tissue?
• Which practice is essential for maintaining asepsis during IV catheter insertion?
• Which needle length is typical for subcutaneous injections?