Exam 2: BIOS 255 / BIOS255 (2024/ 2025
Update) Anatomy and Physiology III
Complete Guide | 100% Correct| Grade A -
Chamberlain
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
During capillary filtration plasma proteins that remain in the blood due what? - ANSWER
Maintain the colloid osmotic (oncotic) pressure of the blood
Blood from the brain is drained by the: - ANSWER Internal jugular vein
Where do you find red and white pulp in the lymphatic system? - ANSWER
Spleen
Which of the following classes of blood vessels contain the largest proportion of the body's
blood? - ANSWER Veins
Running would do what physiologically: - ANSWER Venous return to the
heart increases
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