Trabeculae are struts or plates within ________ that assist in withstanding stresses in a specific direction.
Fill in the blank(s) with the appropriate word(s).
spongy bone
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What type of neuronal synapse occurs between cardiac muscle cells?
A. Physical synapse B. Magnetic synapse C. Chemical synapse D. Mechanical synapse E. Electrical synapse
The process of keratinization involves
a) synthesizing new pigment in the skin. b) cells accumulating a tough fibrous protein that helps protect the skin. c) changes occurring in thin skin only. d) both synthesizing new pigment in the skin and cells accumulating a tough fibrous protein that helps protect the skin. e) none of these answer choices are correct.
A myogram is
A. a measurement of muscle tone. B. a recording of the events of a twitch. C. a depiction of the results of a stress test. D. a chart that shows how many muscle cells a neuron synapses with.
Which one of the following is NOT a feature of chronic obstructive pulmonary disease (COPD)?
A) Most patients have a genetic predisposition to COPD. B) Dyspnea becomes progressively more severe. C) Frequent pulmonary infections are common. D) Most COPD victims are hypoxic. E) Most patients have a history of smoking.