BIOS 255 EXAM 2 QUESTIONS AND ANSWERS
What are the 3 different layers of blood vessels? - Answers :tunica intima, tunica media,
tunica externa
What are the three different types of arteries? - Answers :elastic arteries, muscular
arteries, arterioles
What kind of blood do arteries carry? - Answers :oxygenated blood
Where do arteries carry blood? - Answers :away from the heart
What are the three different types of capillaries? - Answers :continuous, fenestrated,
and sinusoidal
What cells are continuous capillaries made up of and where are they found in the body?
- Answers :endothelial cells, found in system capillaries
Where are fenestrated capillaries found in the body? - Answers :found in the kidney
Where are the sinusoidal capillaries found in the body? - Answers :found in the liver
What are the 3 different types of veins? - Answers :venules, medium-sized veins, large
veins
What kind of blood do veins carry? - Answers :deoxygenated blood
Where do the veins carry blood? - Answers :towards the heart
Mean Arterial Pressure Equation - Answers :diastolic pressure-systolic pressure/3 +
diastolic pressure
What are the three factors that can determine systemic vascular resistance? - Answers
:blood vessel diameter, blood vessel length, blood viscosity
What is the capillary net filtration pressure equation? - Answers :NFP= (BHP+IFOP)-
(BCOP+IFHP)
What are the two factors that promote filtration? - Answers :BHP and IFOP
What are the two factors that oppose filtration? - Answers :BCOP and IFHP
What does a net positive filtration number mean? - Answers :filtration is occurring
What does a negative net filtration number mean? - Answers :reabsorption is occurring
, What do veins act as? - Answers :blood reservoirs
What are the primary organs of the lymphatic system? - Answers :bone marrow and
thymus
How does lymph travel through the body? - Answers :capillaries - vessels - trunks -
ducts
Where does the thoracic trunk drain to? - Answers :All of the lower extremities and the
left side of the upper body
Which blood vessel class is the largest and is characterized by having a thick tunica
media dominated by elastic laminae? - Answers :Elastic arteries
Which of the following is NOT considered an organ of the lymphatic system? - Answers
:Pancreas
The lymphatic capillary bed drains fluid directly from where? - Answers :Interstitial fluid
Which blood vessel carries deoxygenated but nutrient, rich blood from the intestines to
the liver? - Answers :Hepatic portal vein
The majority of venous blood from veins originating above the diaphragm will drain into
which blood vessel before draining into the heart? - Answers :Superior vena cava
Lymph from above the diaphragm on the left side, and bilaterally below the diaphragm
is returned to the venous circulation by way of the: - Answers :Thoracic duct
A drop of blood is in the axillary vein. What is the next vessel that blood will enter? -
Answers :Subclavian vein
The circle of Willis, or cerebral anastomosis, ensure blood flow is consistent to the: -
Answers :Brain
The hepatic portal system transports blood from: - Answers :The intestines to the liver
T cells mature where? - Answers :thymus
Which of the following factors is NOT important in assuring adequate venous return to
the heart? - Answers :All of these factors contribute to venous return
During capillary filtration plasma proteins that remain in the blood due what? - Answers
:Maintain the colloid osmotic (oncotic) pressure of the blood
Blood from the brain is drained by the: - Answers :Internal jugular vein
What are the 3 different layers of blood vessels? - Answers :tunica intima, tunica media,
tunica externa
What are the three different types of arteries? - Answers :elastic arteries, muscular
arteries, arterioles
What kind of blood do arteries carry? - Answers :oxygenated blood
Where do arteries carry blood? - Answers :away from the heart
What are the three different types of capillaries? - Answers :continuous, fenestrated,
and sinusoidal
What cells are continuous capillaries made up of and where are they found in the body?
- Answers :endothelial cells, found in system capillaries
Where are fenestrated capillaries found in the body? - Answers :found in the kidney
Where are the sinusoidal capillaries found in the body? - Answers :found in the liver
What are the 3 different types of veins? - Answers :venules, medium-sized veins, large
veins
What kind of blood do veins carry? - Answers :deoxygenated blood
Where do the veins carry blood? - Answers :towards the heart
Mean Arterial Pressure Equation - Answers :diastolic pressure-systolic pressure/3 +
diastolic pressure
What are the three factors that can determine systemic vascular resistance? - Answers
:blood vessel diameter, blood vessel length, blood viscosity
What is the capillary net filtration pressure equation? - Answers :NFP= (BHP+IFOP)-
(BCOP+IFHP)
What are the two factors that promote filtration? - Answers :BHP and IFOP
What are the two factors that oppose filtration? - Answers :BCOP and IFHP
What does a net positive filtration number mean? - Answers :filtration is occurring
What does a negative net filtration number mean? - Answers :reabsorption is occurring
, What do veins act as? - Answers :blood reservoirs
What are the primary organs of the lymphatic system? - Answers :bone marrow and
thymus
How does lymph travel through the body? - Answers :capillaries - vessels - trunks -
ducts
Where does the thoracic trunk drain to? - Answers :All of the lower extremities and the
left side of the upper body
Which blood vessel class is the largest and is characterized by having a thick tunica
media dominated by elastic laminae? - Answers :Elastic arteries
Which of the following is NOT considered an organ of the lymphatic system? - Answers
:Pancreas
The lymphatic capillary bed drains fluid directly from where? - Answers :Interstitial fluid
Which blood vessel carries deoxygenated but nutrient, rich blood from the intestines to
the liver? - Answers :Hepatic portal vein
The majority of venous blood from veins originating above the diaphragm will drain into
which blood vessel before draining into the heart? - Answers :Superior vena cava
Lymph from above the diaphragm on the left side, and bilaterally below the diaphragm
is returned to the venous circulation by way of the: - Answers :Thoracic duct
A drop of blood is in the axillary vein. What is the next vessel that blood will enter? -
Answers :Subclavian vein
The circle of Willis, or cerebral anastomosis, ensure blood flow is consistent to the: -
Answers :Brain
The hepatic portal system transports blood from: - Answers :The intestines to the liver
T cells mature where? - Answers :thymus
Which of the following factors is NOT important in assuring adequate venous return to
the heart? - Answers :All of these factors contribute to venous return
During capillary filtration plasma proteins that remain in the blood due what? - Answers
:Maintain the colloid osmotic (oncotic) pressure of the blood
Blood from the brain is drained by the: - Answers :Internal jugular vein
