A mixed nerve consists of both ________ and ________.
A. spinal; cranial fibers
B. myelinated; unmyelinated fibers
C. glial cells; nerve cells
D. association; integration neurons
E. afferent; efferent fibers
Answer: E
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a. forms a membrane-attack complex b. causes lysis of invading microbes c. nonspecifically defends against viruses d. stimulates histamine release from mast cells e. is secreted by lymphoid tissues
Each skeletal muscle fiber is controlled by a neuron at a single
A) Synaptic knob. B) Sarcomere. C) Neuromuscular junction. D) Synaptic cleft. E) Transverse tubule
Adding one mole of NaCl to one liter of water will lower the water concentration twice as much as adding one mole of glucose
Indicate whether the statement is true or false.
Which structures separate the cranial bones at birth and allow for limited movement of the bones relative to one another?
A. Cartilaginous plates B. Sutural bones C. Sutures D. Sesamoid bones E. Fontanelles