Which of the following is a potential disadvantage of multijoint muscles?
A. active insufficiency
B. passive insufficiency
C. both A and B
D. none of the above
C. both A and B
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Every neuron has
A) myelin. B) a cell body. C) a neurilemma. D) many axons.
The statement "Things are going from bad to worse" would be most closely related to
a. feedforward d. homeostasis b. positive feedback e. regulatory control c. negative feedback
Which of these connective tissue cells is NOT correctly matched with its function?
A) blast cells — make holes in extracellular matrix B) clast cells — break down the extracellular matrix C) cyte cells — maintain the extracellular matrix D) mast cells — release chemicals promoting inflammation E) macrophages — move about and ingest foreign substances
What portions of the brain contain respiratory centers and set the breathing rate?
A) medulla and pons B) pons and cerebellum C) cerebrum and cerebellum D) thalamus and hypothalamus