The respiratory movement representing the total amount of exchangeable air is the ________
A) tidal volume
B) inspiratory reserve volume
C) expiratory reserve volume
D) vital capacity
E) dead space volume
D
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Answer the following statements true (T) or false (F)
1. The organs of the respiratory system are designed to perform two basic functions: air distribution and gas exchange. 2. The upper respiratory tract consists of the nose, pharynx, and trachea. 3. The lower respiratory tract consists of the larynx, bronchi, and lungs. 4. A “head cold” involves the upper respiratory tract. 5. A “chest cold” involves the lower respiratory tract.
A connective tissue in which the intercellular matrix is avascular is ___.
a) superficial fascia b) dermis c) compact bone d) hyaline cartilage
The action potential is conducted into a skeletal muscle fiber by
A) motor end plates. B) neuromuscular junctions. C) transverse tubules. D) triads. E) sarcoplasmic reticulum.
An essential nutrient is one necessary for good health that may or may not be synthesized by the body
Indicate whether the statement is true or false.