The thymus is the only lymphoid organ that does NOT ________.
A) directly fight antigens
B) have lymphocytes
C) have a cortex and medulla
D) produce hormones
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Question 2) The mesenteric arteries branch off the abdominal aorta, but the mesenteric veins do not connect directly to the vena cava. Why?
What will be an ideal response
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Question 3) What is a bubo?
A) a lobe of the spleen
B) an infected Peyer's patch
C) an infected lymph node
D) a wall in a lymph node
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Question 4) Lymphatic capillaries are present in ________.
A) digestive organs
B) CNS
C) bones and teeth
D) bone marrow
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Question 5) The abdominal aorta divides into three arteries at its terminus; what are they?
What will be an ideal response
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Question 6) Peyer's patches are found in the distal portion of the ________.
A) large intestine
B) stomach
C) small intestine
D) esophagus
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Question 7) Define vasoconstriction and vasodilation. What is the mechanism of regulation?
What will be an ideal response
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Question 8) Which of the following does NOT contain a mucosa-associated lymphatic tissue?
A) appendix
B) tonsil
C) Peyer's patch
D) thymus
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Question 9) Which type of blood vessels contain valves and what is their function?
What will be an ideal response
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Question 10) Which of the choices below reflects the balance (or imbalance) between the direction and amount of fluid that flows across the capillary walls?
A) hydrostatic pressure only
B) hydrostatic and osmotic pressure
C) plasma and formed element concentration
D) blood volume and viscosity
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