A hepatic triad consists of ________.
A. a central vein, a hepatic lobule, and a hepatic sinusoid
B. the hepatic portal vein and two hepatic ducts
C. a bile ductule, a branch of the hepatic artery, and a branch of the hepatic portal vein
D. the common hepatic duct, cystic duct, and bile duct
E. the right, left, and common hepatic ducts
Answer: C
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Which of the following statements describes how muscles help maintain homeostasis?
A) The contractions of skeletal muscles pull on tendons and move elements of the skeleton. B) Skeletal muscles are responsible for guarding the openings of the digestive and urinary tracts. C) Skeletal muscles are responsible for the pumping action of the heart. D) Skeletal muscles support the weight of some internal organs. E) Skeletal muscle contractions help maintain body temperature.
Fast fibers
A) have loosely packed myofibrils. B) have a high concentration of myoglobin. C) have many mitochondria. D) have high glycogen reserves. E) are about half the diameter of slow fibers.
hypothyroidism is usually due to dysfunction of the thyroid gland rather than the dysfunction of the pituitary gland
a. true b. false
The "ABCD rule" for recognizing early signs of malignant melanoma refers to the following characteristics of the lesion:
A. aspect, border irregularity, color, and distance. B. aspect, brightness, color, and distance. C. area, border irregularity, color, and density. D. asymmetry, border irregularity, color, and diameter. E. asymmetry, brightness, color, and diameter.