. What condition occurs when the mitral valve does not close ...

★ Heart and Circulatory System Quiz

. What condition occurs when the mitral valve does not close properly, allowing blood to flow backward?

A. Aortic stenosis

B. Mitral regurgitation

C. Endocarditis

D. Ventricular tachycardia

Select your answer:

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Bacteriology Lab Culture Media › View

What is the main component of Nutrient Agar?

A. Peptone

B. Lactose

C. Cetrimide

D. Mannitol

ESR (RBC sed rate) › View

1. Decreased diameter of the tube
2. Using old blood collected longer than 2 hrs
3. Temperature decrease below 20ºC
4. incorrect anticoagulant to blood ratio
5. air bubbles
6.Partially clotted samples (uses up fibrinogen).

A. fall faster,
increasing ESR

B. fall slower,
decreasing ESR