Which type of chronic obstructive pulmonary disease is characterized by inflammation from smoking cigarettes?
a. asthma
b. chronic bronchitis
c. emphysema
d. two of these answers.
e. all of these answers.
B
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Sympathetic axon terminals form a branching network of swollen segments called
A) ganglia. B) receptors. C) varicosities. D) nuclei. E) bulbs.
This two-headed muscle bulges when the forearm is flexed. It is the most familiar muscle of the anterior humerus. It is the __________.
A. extensor digitorum B. biceps brachii C flexor carpii radialis D. triceps brachii
Nail cells are produced by the ________.
A. nail body B. cuticle C. lunula D. nail matrix E. nail groove
Which of the following statements does not accurately describe factors that determine the amount of force generated during a muscle contraction?
A. The number of cross-bridges that can form is higher in a short muscle fiber compared to longer fibers. B. Increasing stimulation of a muscle fiber results in increased formation of cross-bridges. C. Muscle fibers that have larger diameters have more myofibrils and therefore can form more cross-bridges. D. Muscle fibers that are stretched to the optimal length will provide higher numbers of cross-bridges.