A goiter is
a. an enlarged thyroid
b. always the result of hypothyroidism
c. present only with iodine-deficient diets
d. only present when TSH levels are elevated
e. both a and d
A
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When ________ become enclosed in lacunae, they become cells called ________
A) osteoblasts; osteoclasts B) osteocytes; osteoclasts C) osteoblasts; osteocytes D) osteogenic cells; osteoblasts E) osteocytes; osteoblasts
Which of the following is the simplest level of organization?
A) cellular B) chemical C) organ D) system E) tissue
Systemic blood pressure must stay above 60 so that the proper amount of filtration occurs.
a. true b. false
The anterior and posterior tibial veins merge to form the:
A) great saphenous vein. B) medial plantar vein. C) femoral vein. D) external iliac vein.