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When performing echocardiography, what is the benefit of using color Doppler imaging?

Match the echogenicity with the proper description.

Lead II QRS complexes will be negatively deflected with a normal MEA. 

What is your ECG diagnosis

Why is the temperature of the liquid agar important when performing serial dilutions using the pour plate method? (2 POINTS)

A total of 100 colonies were counted on the plate that received 1.0 mL of the 1:10,000 dilution of a specimen. What is the bacterial count for the original culture?

Which of the following is a common artifact seen in pulse-wave echocardiography that may confuse diagnosis?

R waves are positive in every lead. 

Match the numbers with the proper chamber. 

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