Anatomy: Chapter 19 - 22 - Quiz Questions

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The average life span of a red blood cell is about

4 months

Veins that return blood to the heart are also referred to as ________ vessels.

Afferent

The innermost layer of the heart wall is the

Epicardium

Which of the following is an agranulocyte?

Monocyte

The muscle layer of the heart is the ________.

Myocardium

In adults, the stem cells responsible for the production of red and white blood cells originate primarily in the

Red bone marrow

The vessel that supplies blood to the arm, shoulder, chest wall, back, and spinal cord is called the ________.

Subclavian artery

Fresh whole blood is usually collected through a procedure called

Venipuncture

________ is a condition in which the oxygen-carrying capacity of RBCs is reduced.

Anemia

Platelets

Are a major component of the vascular clotting system

The ________ circuit carries blood to and from all parts of the body except the lunds.

Systemic

The average pressure in the right ventricle is ________ the pressure in the left ventricle.

Considerably lower than

Which two hormones play a role in promoting the milk reflex and in maintaining breast milk production in a mother's breasts?

Prolactin and oxytocin

Pus associated with infected wounds contain which type of white blood cells

Neutrophils

The chief difference between plasma and serum involves the

Presence/absence of clotting proteins

The percentage of blood volume composed of red blood cells is termed (the) ________.

Hematocrit

A sample of tissue from an injury shows a large number of eosinophils. This would indicate that the tissue was

Infected by parasites

The cardiac pacemaker cells are located in which of the following?

SA node

The two collecting ducts that ultimately drain the lymphatic vessels are the

Thoracic duct & right lymphatic duct

The tricuspid valve is located

Between the right atrium and right ventricle

The function of hemoglobin is to

Bind and transport oxygen and carbon dioxide

________ permit the exchange of nutrients, dissolved gases, and waste products between the blood and surrounding tissues.

Capillaries

Relaxation of the heart chambers is called

Diastole

Erythropoietin is most likely released under which of the following conditions?

During anemia

________ are the most abundant cell population of the formed elements of blood.

Erythrocytes

Which of the following stimulates the production of red blood cells?

Erythropoietin


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