Which of the following is an example of a unicellular gland?
A. Macrophage
B. Hormone-secreting cell
C. Goblet cell
D. Holocrine cell
E. Sudoriferous cell
Answer: C
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The highly branched contractile cells that regulate capillary permeability are called
A) endothelial cells. B) podocytes. C) pericytes. D) vascular smooth muscle. E) epitheliocytes.
Which of the spinal curves form when a child is about 12 months of age?
A. Sacral B. Thoracic C. Coccygeal D. Cervical E. Lumbar
Which of the following statements concerning the characteristics of different types of muscle fibers is incorrect?
a. the higher the ATPase activity, the faster the speed of contraction. b. muscles that have high glycolytic capacity and large glycogen stores are more resistant to fatigue. c. muscles with high ATP-synthesizing ability are more resistant to fatigue. d. oxidative types of muscle fibers contain myoglobin. e. muscle fibers containing large amounts of myoglobin have a dark red color in comparison to the paler fibers, which have little myoglobin.
The transition from a hunter-gatherer to an agricultural lifestyle greatly changed the types
of diseases and injuries that early peoples suffered. Indicate whether the statement is true or false