BIOL 224 Exam 2 Practice Questions
The continual movement of fluid through the interstitial spaces produced by capillary filtration serves
which of the following functions? - Answer-(All of the above)
During quiet breathing, - Answer-inspiration involves muscular contractions and expiration is passive.
The actual sites of gas exchange within the lungs are the - Answer-respiratory membranes of the alveoli
Adaptive defenses depend on the activities of - Answer-lymphocytes
Immunity that is genetically determined and present at birth is called ________ immunity. - Answer-
innate
________ are large lymphatic nodules that are located in the walls of the pharynx. - Answer-tonsils
________ are clusters of lymphatic nodules deep to the epithelial lining of the small intestine. - Answer-
Peyer's patches
The thoracic duct drains lymph from all of the following regions except the - Answer-right breast
The classic pathway of complement activation begins when the protein C1 binds to - Answer-an
antibody attached to an antigen
, Each of the following will cause an increase in blood pressure EXCEPT - Answer-increased levels of ANP
(atrial natriuretic peptide)
Which of the following opposes the flow of blood back to the heart? - Answer-vascular resistance
ADH and aldosterone secretion are part of the body's long-term compensation for - Answer-a serious
hemorrhage
Damage to the type II pneumocytes of the lungs would result in - Answer-a loss of surfactant
The respiratory epithelium of the bronchi consists of - Answer-pseudostratified ciliated columnar
epithelium.
If the volume of the lungs increases, what happens to the air pressure inside the lungs? - Answer-it
decreases
*Recall, Boyle's Law
The respiratory defense system is important because it - Answer-(All of the above)
- keeps out debris
- helps warm the air
- helps filter the air
- keeps out pathogens
Innate defenses include - Answer-(All of the above)
- interferons
- phagocytic cells
The continual movement of fluid through the interstitial spaces produced by capillary filtration serves
which of the following functions? - Answer-(All of the above)
During quiet breathing, - Answer-inspiration involves muscular contractions and expiration is passive.
The actual sites of gas exchange within the lungs are the - Answer-respiratory membranes of the alveoli
Adaptive defenses depend on the activities of - Answer-lymphocytes
Immunity that is genetically determined and present at birth is called ________ immunity. - Answer-
innate
________ are large lymphatic nodules that are located in the walls of the pharynx. - Answer-tonsils
________ are clusters of lymphatic nodules deep to the epithelial lining of the small intestine. - Answer-
Peyer's patches
The thoracic duct drains lymph from all of the following regions except the - Answer-right breast
The classic pathway of complement activation begins when the protein C1 binds to - Answer-an
antibody attached to an antigen
, Each of the following will cause an increase in blood pressure EXCEPT - Answer-increased levels of ANP
(atrial natriuretic peptide)
Which of the following opposes the flow of blood back to the heart? - Answer-vascular resistance
ADH and aldosterone secretion are part of the body's long-term compensation for - Answer-a serious
hemorrhage
Damage to the type II pneumocytes of the lungs would result in - Answer-a loss of surfactant
The respiratory epithelium of the bronchi consists of - Answer-pseudostratified ciliated columnar
epithelium.
If the volume of the lungs increases, what happens to the air pressure inside the lungs? - Answer-it
decreases
*Recall, Boyle's Law
The respiratory defense system is important because it - Answer-(All of the above)
- keeps out debris
- helps warm the air
- helps filter the air
- keeps out pathogens
Innate defenses include - Answer-(All of the above)
- interferons
- phagocytic cells
