Describe why the prognosis of cancer is best when there is no detectable spread from the region of the primary tumor to the lymph nodes.
What will be an ideal response?
The lymphatic system consists of a meandering network of lymphatic vessels. Cancer cells that break free from the primary tumor can metastasize via the lymph system.
Anatomy & Physiology
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The normal pH range for ECF is
A) 6.5 to 7.5. B) 6.8 to 7.2. C) 7 to 7.5. D) 7.35 to 7.45. E) 7.5 to 8.0.
Anatomy & Physiology
What kind of tissue is the forerunner of long bones in the embryo?
A) elastic connective tissue B) dense fibrous connective tissue C) fibrocartilage D) hyaline cartilage
Anatomy & Physiology
The narrow inferior portion of the uterus is called the ____
a. fundus b. cervix c. isthmus d. vagina
Anatomy & Physiology
The first heart sound is heard when the
A) AV valves open. B) AV valves close. C) semilunar valves close. D) atria contract. E) blood enters the aorta.
Anatomy & Physiology