Why is it important for an oncologist to understand lymphatic drainage?
A. Cancer cells often metastasize via the lymphatic system.
B. Lymphomas are the most common cancers in the body.
C. Most cancers start in the lymphatic system.
D. Oncologists can use lymphatic drainage to help drain a cancer from an area of the body.
A. Cancer cells often metastasize via the lymphatic system.
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Your 86-year-old grandfather and you have been out in the midday heat of summer (92 degrees F). Your grandfather becomes dizzy and thinks that he might faint. He also appears to be confused about what is going on. What conclusion can you draw from this scenario?
A) He has had a stroke from lack of blood flow to the brain. B) His vitamin D3 deficiency has caused his blood calcium levels to drop to a dangerous low. C) He is having a heart attack. D) He has heat exhaustion, related to not being able to eliminate excess body heat. E) He has a bacterial infection related to a decrease in immune system function.
Each of the following local factors produces the relaxation of arteriolar smooth muscle except increased
a. acid b. carbon dioxide c. osmolarity d. oxygen e. potassium
Hyperparathyroidism is characterized by hypercalcemia and hyperphosphatemia
Indicate whether the statement is true or false
The stage of labor in which the fetus is expelled is the ________ stage.
A. first B. second C. third D. fourth E. fifth