BIOS 255 EXAM 2 QUESTIONS AND
ANSWERS WITH VERIFIED SOLUTIONS
2024
Which blood vessel class is the largest and is characterized by having a thick tunica media dominated by
elastic laminae? - ANSWER Elastic arteries
Which of the following is NOT considered an organ of the lymphatic system? - ANSWER Pancreas
The lymphatic capillary bed drains fluid directly from where? - ANSWER Interstitial fluid
Which blood vessel carries deoxygenated but nutrient, rich blood from the intestines to the liver? -
ANSWER 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? - ANSWER 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: - ANSWER Thoracic duct
A drop of blood is in the axillary vein. What is the next vessel that blood will enter? - ANSWER Subclavian
vein
The circle of Willis, or cerebral anastomosis, ensure blood flow is consistent to the: - ANSWER Brain
The hepatic portal system transports blood from: - ANSWER The intestines to the liver
T cells mature where? - ANSWER thymus
Which of the following factors is NOT important in assuring adequate venous return to the heart? -
ANSWER All of these factors contribute to venous return
ANSWERS WITH VERIFIED SOLUTIONS
2024
Which blood vessel class is the largest and is characterized by having a thick tunica media dominated by
elastic laminae? - ANSWER Elastic arteries
Which of the following is NOT considered an organ of the lymphatic system? - ANSWER Pancreas
The lymphatic capillary bed drains fluid directly from where? - ANSWER Interstitial fluid
Which blood vessel carries deoxygenated but nutrient, rich blood from the intestines to the liver? -
ANSWER 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? - ANSWER 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: - ANSWER Thoracic duct
A drop of blood is in the axillary vein. What is the next vessel that blood will enter? - ANSWER Subclavian
vein
The circle of Willis, or cerebral anastomosis, ensure blood flow is consistent to the: - ANSWER Brain
The hepatic portal system transports blood from: - ANSWER The intestines to the liver
T cells mature where? - ANSWER thymus
Which of the following factors is NOT important in assuring adequate venous return to the heart? -
ANSWER All of these factors contribute to venous return
