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When performing dermal punctures, what sites are commonly used in an infant, older child, and adult?
- A. Heel for infants, finger for older children and adults
- B. Earlobe for infants, finger for older children and adults
- C. Heel for infants, earlobe for older children, finger for adults
- D. Finger for all ages
Correct Answer: A
Rationale: The heel is used for infants due to safety and accessibility, while fingers are used for older children and adults for dermal punctures.
You may also like to solve these questions
In what sequence will you draw the colored tubes?
- A. Yellow
- B. Lavender
- C. Green
- D. Gray
Correct Answer: A,B,C,D
Rationale: The order of draw is yellow (blood cultures) first to prevent contamination, followed by lavender (CBC), green (electrolytes), and gray (glucose) to minimize additive carryover.
Which of the following statements is(are) accurate regarding veins?
- A. Veins are deeper than arteries.
- B. Veins carry deoxygenated blood.
- C. Veins carry blood back to the heart.
- D. Vein walls are thicker than arterial walls.
Correct Answer: B,C
Rationale: Veins carry deoxygenated blood back to the heart, while arteries carry oxygenated blood away. Vein walls are thinner, not thicker, than arterial walls.
What color tubes will you need for these tests?
- A. Red
- B. Gray
- C. Light blue
- D. Yellow
- E. Lavender
- F. Green
Correct Answer: D,E,F
Rationale: Blood cultures use yellow tubes, complete blood count uses lavender, electrolytes use green, and glucose uses gray (though red is sometimes used for chemistry tests, green is standard for electrolytes).
The labels you apply to the blood specimen tubes should contain some of the following data. Which data should be included on the label?
- A. Patient's first and last name
- B. Hospital identification number for inpatient
- C. Date of birth for outpatient
- D. Physician's name
- E. Type of test ordered
- F. Date test was ordered
- G. Date and time specimen was collected
Correct Answer: A,B,C,G
Rationale: Labels must include the patient's name, hospital ID (for inpatients), date of birth (for outpatients), date and time of collection, and the phlebotomist's initials to ensure proper identification and traceability.
You are preparing to draw the blood specimen and know that you must protect yourself against bloodborne pathogens. How will you accomplish this?
- A. Scrub the intended site with alcohol.
- B. Monitor the patient's chart for a history of bloodborne pathogens.
- C. Wash your hands prior to drawing blood.
- D. Apply clean examination gloves.
Correct Answer: C,D
Rationale: Washing hands and wearing gloves are key measures to protect against bloodborne pathogens, following standard precautions for phlebotomy.