An exercise stress test is useful to diagnose several types of cardiovascular problems.

a. true
b. false


a. true

Biology & Microbiology

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The reduction of the microbial population to levels that are considered safe by public health standards is called

A. sanitization. B. sterilization. C. disinfection. D. antisepsis.

Biology & Microbiology

What group of fungi has the ability to penetrate its host's cell wall, thus increasing the efficiency with which materials are passed from fungus to host?

A) ectomycorrhizal fungi B) arbuscular mycorrhizal fungi C) endophytes D) lichens

Biology & Microbiology

Blood is carried from the heart to the lungs by the 

A. aorta. B. pulmonary artery. C. pulmonary veins. D. vena cava.

Biology & Microbiology

A substance that accelerates the rate of a chemical reaction is call a(n)

a) catalyst b) lipid c) molecule d) element

Biology & Microbiology