A 56-year-old man who is diagnosed with rectal cancer is undergoing biopsy of several lymph nodes. The nodes most likely to be sampled from this patient will be from the inferior mesenteric nodes, inguinal nodes, and the
A. gonadal nodes
B. internal iliac nodes
C. portal vein nodes
D. renal nodes
E. superior mesenteric nodes
Ans: B. internal iliac nodes
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The steps in the process of intramembranous ossification are a: Formation of lamellar boneb: Osteoid undergoes calcificationc: Ossification centers formd: Formation of woven bone and its periosteumThe correct chronological order for these steps is
A. a - c - d - b B. b - a - c - d C. c - b - a - d D. b - c - d - a E. c - b - d - a
The ventral root of a spinal nerve transmits ________ information ________ the spinal cord.
A) motor; toward B) visceral; toward C) sensory; away from D) sensory; toward E) motor; away from
Select the incorrect statement about connective tissue
a. Bone is an example. b. Blood is an example. c. Elastin may be found in the extracellular material. d. It has tightly-packed cells. e. It is a primary tissue type.
Excess blood plasma in the bloodstream initiates the thirst mechanism to restore fluid balance
Indicate whether the statement is true or false