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What is a substance that increases the rate at which a chemieal reaction will occur?

Catalyst

is a reactant substance that is acted upon by a specific enzyme

Amylase

Which of the following sugars is a disaccharide?

Maltose

A blockage in which artery will most likely cause damage in the posterolateral wall of the left ventricle?

A blockage in which artery will most likely cause damage in the posterolateral wall of the left ventricle?

A blockage of the anastomoses of which vein would have the largest effect on the right ventricle?

Anterior cardiac vein

Which of the following vessels empties into the right atrium?

1. superior vena cava

What is the name for the muscles that form a rough surface in the anterior wall of the right atrium?

1. pectinate muscle

Which vessels open into the left atrium?

1. pulmonary vein

What structure connects the free margins of the AV valve cusps to the papillary muscles?

1. chordae tendineae

Which of the following arteries would be found descending along the lateral wall of the right ventricle?

1. right marginal artery

Which of the following arteries would be found descending along the posterior interventricular suleus of the heart?

1. anterior cardiac vein

Which of the following arteries are NOT a direct branch of the human Aortie Arch?

1. Right common carotid artery