When performing a blood smear, which of the following actions should a phlebotomist take to ensure a quality result?
Hold the two slides at 90 degrees to each other when performing the smear.
Allow the blood drop to clot slightly prior to performing the smear.
Hold the slides at 30 degrees to each other when performing the smear.
Allow the blood drop to clot completely prior to performing the smear.
The Correct Answer is C
Choice A reason:
Holding the two slides at a 90-degree angle is not the correct technique for performing a blood smear. This angle is too steep and would not allow the blood to spread thinly across the slide, which is necessary for creating a quality smear that can be examined under a microscope.
Choice B reason:
Allowing the blood drop to clot slightly before performing the smear is not advisable. Clotting can interfere with the spread of the blood and the formation of a monolayer, which is essential for accurate microscopic examination. The blood should be fresh and anticoagulated to prevent clotting.
Choice C reason:
Holding the slides at a 30-degree angle is the correct technique for performing a blood smear. This angle allows the spreader slide to push the blood drop smoothly across the patient slide, creating a thin, even layer of blood that is ideal for microscopic analysis. The angle, speed, and pressure must be consistent to achieve a quality smear.
Choice D reason:
Allowing the blood drop to clot completely before performing the smear would make it impossible to create a smear. Clotted blood cannot be spread into a thin layer, which is necessary for microscopic examination of the blood cells.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Choice A reason:
A patient's room number is not a unique identifier as it is subject to change. Patients may be moved to different rooms during their hospital stay, and room numbers are not specific to individuals.
Choice B reason:
A patient's bed label is also not a unique identifier. Like room numbers, bed labels can change if patients are moved within the hospital for various reasons, such as changes in their medical condition or room availability.
Choice C reason:
The patient's inpatient chart demographic information is the correct unique identifier to use. This typically includes the patient's name, date of birth, and a unique medical record number assigned by the healthcare facility. These details are specific to the individual and do not change, making them reliable for patient identification.
Choice D reason:
A patient's verbal confirmation alone is not sufficient as a unique identifier. While it is important to engage the patient in the identification process, verbal confirmation must be used in conjunction with other identifiers to ensure accuracy, as patients may be confused or unable to communicate effectively.
Correct Answer is C
Explanation
Choice A Reason:
Patient's insurance information is not typically included in the follow-up documentation of a stat result. Insurance information is relevant for billing purposes and does not pertain to the immediate clinical care or the communication of test results.
Choice B Reason:
The room number of the patient might be included in the internal documentation for logistical purposes but is not the primary piece of information required following a verbal report of a stat result. The focus should be on the communication details rather than the location.
Choice C Reason:
The name of the provider contacted is essential information in the follow-up documentation after a verbal report. This ensures that there is a record of who received the information, which is crucial for accountability and continuity of care.
Choice D Reason:
The provider's phone number is not necessary in the follow-up documentation if the name of the provider is already included. The phone number would have been used to make the initial contact, and the key information is the confirmation that the provider was reached and informed of the stat result.
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