Blood Vessels
Which blood vessel "tunic" includes the endothelium?
Tunica Intima
What is a lymphatic "buboe?"
A swollen, bursting lymph node
What are the 4 steps for phagocyte mobilization?
Leukocytosis
Margination
Diapedesis
Positive chemotaxis/fixation
What are the two types of adaptive defense?
cell-mediated and humoral
What are the symptoms of inflammation?
Heat, redness, pain, swelling
As (delta) P increases, which of the following should also increase?
Blood flow
Which of the following are specialized lymphatic capillaries that absorb fat from the digestive system?
Lacteals
Pyrogens are released by…?
Macrophages and leukocytes
What are the two types of humoral immunities?
Active and Passive
What Ig is released first in an immune response?
IgM
Which of the following help veins return blood to the heart?
Muscular pump, Respiratory pump, Sympathetic venous vasoconstriction
What purpose do minivalves serve in the lymphatic system?
They allow interstitial fluid to enter the vessels, but won't let lymph leak out
Fevers can cause your liver and spleen to hoard ___ and ___.
Iron and Zinc
What are the three antigen presenting cells?
Dendritic cells, macrophages, and b cells
What autoimmune disease targets beta cells of your pancreas?
Type 1
Which of the following hormones raise blood pressure?
Angiotensin II, Antidiuretic hormone, Epinephrine, Norepinephrine, Aldosterone
Which of the following methods DOES NOT help move lymph through the vessels?
A heart-like pump
Inflammatory chemicals do what 3 main things...
Cause vasodilation
Cause pain
Encourage the cells to proliferate
What type of T cells are CD4s and CD8?
What do antibodies do during neutralization?
Block binding sites of viruses and bacterial toxins
which of the following is/are true of the rein-angiotensin-aldosterone mechanism?
Angiotensin II causes vasoconstriction, Angiotensin II makes you thirsty, Adrenal glands produce aldosterone, Renin converts angiotensin I to angiotensin II, Kidneys release renin
Which of the following IS NOT a function of the lymphatic system, tissues, and organs?
Distribute nutrients and oxygen to body tissues
Name all 7 external innate defenses.
Mucus, Nasal hairs, lacrimal gland, urine, gastic juices, acidic mantle, cilia
What would make a T cell immunocompetent?
Why is receiving a COVID vaccine (or any vaccine) not considered passive immunity?
Because passive is the injection of antibodies into your body and active is when your body actively builds its own antibodies.