Medical Quiz

HCMA - Hematology Quiz


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______________vacutainer tubes are routinely used for hematology testing

A. Green topped

B. Lavender topped

C. Light blue topped


When a medical assistant obtains a capillary blood sample, it is important that he or she squeeze and “milk” the finger to obtain an adequate amount of blood.

A. TRUE

B. FALSE


B cells produce specific antibodies against a particular antigen.

A. TRUE

B. FALSE


which order listed below follows the CLSI standards?

A. Yellow, red, then green

B. Light blue, green, then red

C. Red, lavender, then light blue


The Vacutainer tube with a marbled red-gray top contains silica particles to enhance clotting and a thixotropic gel to assist in the separation of serum and blood cells

A. TRUE

B. FALSE


The name used to describe an immature neutrophil.

A. Band

B. Eosinophil

C. Megakaryocyte


A hematocrit reading of 37 indicates _____________

A. RBCs account for 63% of the total blood volume

B. RBCs account for 37% of the total blood volume

C. The patient has a hemoglobin level of 12.


Blood type O is considered the “universal donor,” because no anti-A or anti-B antibodies are found in the plasma.

A. TRUE

B. FALSE


Which is the proper technique for performing a venipuncture?

A. The needle bevel is face up, and the needle is inserted at a 20- to 30-degree angle.

B. The needle bevel can be oriented in either direction, but the needle must be inserted at a low angle.

C. The needle bevel is face up, and the needle is inserted at a 15-degree angle.


_________ is a device used for dermal puncture

A. butterfly

B. Vacutainer

C. lancet


_________________ results in leaving a tourniquet tied on the patient’s arm for longer than the recommended time

A. bifurcation

B. hemoconcentration

C. hematoma formation


Troponin is a component of a(n) ________ panel.

A. electrolyte

B. cardiac

C. liver


___________ is the slant at the open end of a needle used for venipuncture

A. bevel

B. shaft

C. bore


______________ is the part of the venipuncture needle that fits into the syringe or Vacutainer adapter

A. Shaft

B. Retractable sheath

C. Hub


Using capillary blood from a finger, the Cholestech LDX analyzer is capable of measuring which of the following?

A. HDL, LDL, and VLDL

B. TC/HDL ratio and Glucose

C. All are correct


Platelets

A. are fragments of a larger cell called a megakaryocyte

B. are elevated in thrombocytopenia.

C. assist in the delivery of oxygen to tissues


Which department of the laboratory performs H&H tests?

A. Hematology

B. Chemistry

C. Immunology


Which of the following tests measures the time it takes blood to form a fibrin clot?

A. PT

B. Hgb determination

C. CBC




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