Blood Composition and Functions Quiz
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Blood Composition and Functions Quiz

Test your knowledge about the composition and functions of blood, including plasma, formed elements like erythrocytes, leukocytes, and platelets, as well as the physical characteristics and volume of blood. This quiz covers important concepts related to blood composition and its functions.

Created by
@NimbleIndium

Questions and Answers

What is the function of erythrocytes?

Distributing substances like oxygen and nutrients

Which of the following is a physical characteristic of blood?

Sticky, opaque fluid with a metallic taste

Where do most blood cells originate?

Bone marrow

What is the main contributor to osmotic pressure in the plasma?

<p>Albumin</p> Signup and view all the answers

What is the color of blood when it has high oxygen content?

<p>Scarlett</p> Signup and view all the answers

How long do most formed elements survive in the bloodstream?

<p>About 120 days</p> Signup and view all the answers

What happens when the AV valves are open?

<p>Atria contract, forcing additional blood into ventricles</p> Signup and view all the answers

What prevents backflow into the ventricles when they are relaxed?

<p>Aortic semilunar valve opens</p> Signup and view all the answers

What occurs when intraventricular pressure rises?

<p>Ventricles contract, forcing blood against AV valve cusps</p> Signup and view all the answers

What is the function of coronary circulation?

<p>To supply blood to the heart muscle</p> Signup and view all the answers

What is the main difference between the pulmonary and systemic circuits?

<p>Pulmonary circuit has lower pressure than systemic circuit</p> Signup and view all the answers

What are anastomoses in coronary circulation primarily responsible for?

<p>Providing additional routes for blood delivery</p> Signup and view all the answers

Which artery supplies the interventricular septum, anterior ventricular walls, left atrium, and posterior wall of left ventricle?

<p>Anterior interventricular artery</p> Signup and view all the answers

What is the role of the pulmonary semilunar valve?

<p>To control the flow of blood from the right ventricle to the pulmonary trunk</p> Signup and view all the answers

What is an example of an ectopic focus that can lead to irregular heart rhythms?

<p>High caffeine intake</p> Signup and view all the answers

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