What is the principal function performed by epithelial cells?
A. Fat storage
B. Anchoring body structures
C. Forming boundaries between body compartments
D. Transmitting electrical signals
E. Generating movement
Answer: C
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Which would be the route taken by lymph traveling from lymphatic vessels in the right leg to the bloodstream?
A. Right lumbar trunk - cisterna chyli - thoracic duct - right subclavian vein B. Right lumbar trunk - cisterna chyli - thoracic duct - left subclavian vein C. Right lumbar trunk - right intestinal trunk - right lymphatic duct - right subclavian vein D. Right femoral trunk - right lumbar trunk - right lymphatic duct - superior vena cava E. Right femoral trunk - cisterna chyli - thoracic duct - left subclavian vein
Undesirably low body weight in young female athletes can lead to what?
A. amenorrhea B. osteoporosis C. menopause D. both A and B E. all of the above
Which of these is a cation? Check all that apply
A) O2 B) K+ C) Na+ D) Ca2+ E) Cl-
Skeletal muscle cells are long, slender, and thread-like. Therefore, they would be considered ________ in shape.
A. squamous B. cuboidal C. discoid D. fibrous