CCMA Phlebotomy Med253 Exam With
Complete Solutions
Which of the following instructions is often provided to patients that require fasting prior
to blood work?
a. nothing to eat or drink the morning of blood work
b. nothing to eat or drink besides water for 12 hours prior to blood work
c. nothing to eat or drink besides water the morning of blood work
d. nothing to eat or drink besides water for 24 hours prior to blood work - ANSWER B -
the presence of certain substances in the blood can be affected by fluid intake and food
Which of the following would be most appropriate in preparing a patient for
phlebotomy?
a. ask the patient how they have responded to blood draws previously
b. ask the patient to lie down on the exam table for the procedure
c. inform the patient that the procedure causes pain, but it will be worth it to get the
information provided by the test
d. ask the provider to determine which vein to use - ANSWER A
Information that may be included on the laboratory requisition form - ANSWER test, test
code, diagnosis code (ICD-10), special specimen requirements such as fasting, patient
demographics, insurance or other billing information
What are the 3 standard options of needles? - ANSWER evacuated, winged/butterfly,
and needle syringe
Typical gauge and length of a evacuated system needle? - ANSWER Gauge - typically 20
to 22
Length - 3/4 inch to 1 1/2 inch`
, While reading the order form, the MA does not recognize one of the tests that needs to
be preformed. What should the MA do in this situation? - ANSWER always check the
laboratory reference manual to determine which tube to use, how many tubes to draw,
and other specifics about the test.
Which of the following should be included on the lab requisition form?
a. insurance information
b. visit note
c. previous lab values
d. signature of medical assistant - ANSWER a
When is the butterfly needle used? - ANSWER When the patient has small or fragile
veins; needle tends to cause less trauma or bruising to patient
Typical gauge and length of a butterfly needle - ANSWER Gauge: typically 21 to 23
Length: 1/2 inch to 3/4 inch
When is a needle syringe system used? - ANSWER not an ideal needle, only a small
amount of blood can be obtained with this method. Not used often
Gauge of a needle syringe system needle? - ANSWER 16
What is a Lumen? - ANSWER hollow space inside the needle. Also referred to as the
gauge. The larger the gauge number, the smaller the diameter
What is a Bevel? - ANSWER shaft at the end of the needle that creates a point
What 4 components is blood composed of? - ANSWER plasma, white cells, red cells, and
platelets
Complete Solutions
Which of the following instructions is often provided to patients that require fasting prior
to blood work?
a. nothing to eat or drink the morning of blood work
b. nothing to eat or drink besides water for 12 hours prior to blood work
c. nothing to eat or drink besides water the morning of blood work
d. nothing to eat or drink besides water for 24 hours prior to blood work - ANSWER B -
the presence of certain substances in the blood can be affected by fluid intake and food
Which of the following would be most appropriate in preparing a patient for
phlebotomy?
a. ask the patient how they have responded to blood draws previously
b. ask the patient to lie down on the exam table for the procedure
c. inform the patient that the procedure causes pain, but it will be worth it to get the
information provided by the test
d. ask the provider to determine which vein to use - ANSWER A
Information that may be included on the laboratory requisition form - ANSWER test, test
code, diagnosis code (ICD-10), special specimen requirements such as fasting, patient
demographics, insurance or other billing information
What are the 3 standard options of needles? - ANSWER evacuated, winged/butterfly,
and needle syringe
Typical gauge and length of a evacuated system needle? - ANSWER Gauge - typically 20
to 22
Length - 3/4 inch to 1 1/2 inch`
, While reading the order form, the MA does not recognize one of the tests that needs to
be preformed. What should the MA do in this situation? - ANSWER always check the
laboratory reference manual to determine which tube to use, how many tubes to draw,
and other specifics about the test.
Which of the following should be included on the lab requisition form?
a. insurance information
b. visit note
c. previous lab values
d. signature of medical assistant - ANSWER a
When is the butterfly needle used? - ANSWER When the patient has small or fragile
veins; needle tends to cause less trauma or bruising to patient
Typical gauge and length of a butterfly needle - ANSWER Gauge: typically 21 to 23
Length: 1/2 inch to 3/4 inch
When is a needle syringe system used? - ANSWER not an ideal needle, only a small
amount of blood can be obtained with this method. Not used often
Gauge of a needle syringe system needle? - ANSWER 16
What is a Lumen? - ANSWER hollow space inside the needle. Also referred to as the
gauge. The larger the gauge number, the smaller the diameter
What is a Bevel? - ANSWER shaft at the end of the needle that creates a point
What 4 components is blood composed of? - ANSWER plasma, white cells, red cells, and
platelets