Which statement is true regarding pseudo-stratified ciliated columnar epithelium?
A) It is well-suited for extreme stretching.
B) It contains only one layer of cells.
C) Its cells are predominantly cube shaped.
D) It consists of many layers of cells.
Answer: B
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Somatic motor neurons control
A. Skeletal and cardiac muscles. B. Skeletal, cardiac, and smooth muscles. C. Smooth muscles, adipose tissue and glands. D. Skeletal muscles.
Osteoporosis can result from excessive production of RANKL by osteoblasts. A molecule that directly inhibits RANKL and protects bones from osteoclast overactivity is:
A. PTH B. osteoprotegerin C. alkaline phosphatase D. osteoid E. RANK
The articular cartilage of a typical long bone covers portions of what part of the bone?
A) metaphysis B) diaphysis C) epiphysis D) nutrient foramen E) medullary cavity
What is the effect of oxytocin during parturition?
A) Oxytocin increases contractions of the uterus. B) Oxytocin inhibits contractions of the uterus. C) Oxytocin causes pelvic ligaments and the pubic symphysis to relax. D) Oxytocin promotes lordosis of the lumbar curvature. E) Oxytocin causes difficulty breathing (dyspnea).