A&P 2 Chp 18 Assessment

Plasma makes up about ____ percent of a centrifuged sample of whole blood

55

If an patient becomes dehyrdated, the percentage of plasma in a centrifuged sample of his or her blood would likely

Decrease

A malnourished person might have abnormally low levels of plasma proteins. As a result,colloidnosmotic pressure

Decreases, and there is fluid retention inthe interstitial space

In young children, hematopoiesis occurs in most of their bones, but in adulthood it primarily occurs in

Flat bones of the axial skeleton

The growth factor that increases the formation of erythrocytes, all classes of granulocytes, monocytes, and platelets from myeloid stem cells is

Multi-CSF

The "Buffy coat" in a centrifuged blood sample isn't composed of

Platelets and leukocytes

Which of the following is a step within the common pathway of blood clotting?

Prothrombin is activated to thrombin.

When over 10% of the body's blood has been lost, a survival response occurs involving activation of the _____ nervous system

Sympathetic

The formation of a web-like polymer of fibrin occurs late in the ____ pathway

common

Sodium, calcium, and bicarbonate are all described as plasma

electrolytes

Which are characteristics of leukocytes?

have a nucleus have no hemoglobin depending on type, may or may not contain granules

Beta-globulins transport ____, whereas gamma-globulins are

iron ions, antibodies

Between the fifth week and fifth month of development, the ____ is the primary site of hematopoiesis. After birth however, the ____ is the main site for hematopoiesis.

liver and red bone marrow

Old erythrocytes are phagocytized in the

liver and spleen

The type of leukocyte that will migrate in the blood and take up residence in the tissues as a macrophage is a(n)

monocyte

In hematopoiesis, granulocytes such as neutrophils are formed from the ____ line

myeloid

Which are the most numerous of the leukocytes?

neutrophils

Which leukocytes are granulocytes?

neutrophils, eosinophils, basophils

Glucose is a

polar molecule, and therefore it dissolves readily in plasma.

Which term best describes the function of blood when considering the presence of leukocytes and antibodies?

protection