When the pressure across the respiratory system (Prs) is 0, which of the following statements is true?
A. The individual is at TLC.
B. The individual is at FRC.
C. The individual is at RV.
D. The transpulmonary (translung) pressure is 0.
ANS: B
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Complete the following statement using the choices below. Air moves out of the lungs when the pressure inside the lungs is
A) less than the pressure in the atmosphere. B) greater than the pressure in the atmosphere. C) equal to the pressure in the atmosphere. D) greater than the intra-alveolar pressure.
The rearrangement of connections at synapses, which occurs throughout life, is termed
A) synchronicity. B) plasticity. C) senility. D) elasticity. E) intelligence.
The ______ tract and the ______ tract make up the pyramidal system
A. rubrospinal; reticulospinal B. corticospinal; corticobulbar C. reticulospinal; spinothalamic D. corticobulbar; spinocerebellar
The valves of the heart allow blood to flow in different directions through the heart based upon the pressure differences from the pulmonary and systemic circulations.
a. true b. false