A&P 2 - Chapter 17 Group 1: modules 17.1-17.3
Which of the following is not a function of the blood?
All of the listed responses are correct. Defend against pathogens Regulation of pH and ion composition of interstitial fluids Transportation of gases, nutrients, hormones, and wastes
Why is there a difference in the hematocrit between males and females?
Androgens stimulate red blood cell production and estrogens do not.
Which of the following are not components of plasma?
Elastic fibers
In addition to water and proteins, what else make up plasma?
Electrolytes, nutrients, and organic wastes
Which component makes up the largest proportion of the formed elements?
Erythrocytes
Which of the plasma proteins functions in blood clotting?
Fibrinogen
What kind of tissue is blood?
Fluid connective tissue
Which category of plasma proteins includes antibodies?
Globulins
A patient developed an obstruction in his renal arteries that restricted blood flow to his kidneys. What change would occur to the formed elements?
Hematocrit would increase.
Which plasma protein would you expect to be elevated if you were suffering from strep throat?
Immunoglobulins
Jessica has just moved from Orlando, Florida, to Denver, Colorado. What condition is she now experiencing that is stimulating the production of erythropoietin and, consequently, more red blood cells?
hypoxia caused by an increase in her elevation above sea level
Erythropoietin appears in the plasma when peripheral tissues, especially the kidneys, are exposed to __________.
low oxygen concentrations
Myeloid stem cells develop into __________________.
megakaryocytes
Platelets are formed from large cells called __________.
megakaryocytes
How much blood does an adult male normally have?
5-6 liters
Which of the following statements about blood is false?
Blood is slightly acidic, with a pH of 6.5.
A decreased number of megakaryocytes would interfere with what process?
Clot formation
Where are most plasma proteins produced?
Liver
Which of the following is/are not (a) formed element(s)?
Plasma
Proportionately, what is the largest component of the plasma, other than water?
Proteins
How is it that liver disorders can alter the composition and the functional properties of blood?
The liver is the primary source of plasma proteins.
What is hematocrit?
The percentage of formed elements in whole blood.
What are the "patrol agents" in the blood that defend the body against toxins and pathogens?
White blood cells and antibodies
What are the major components of the cardiovascular system?
blood, heart, and blood vessels
The formed elements of the blood consist of __________.
red and white blood cells and platelets