Contraction of the diaphragm ________ intra-alveolar pressure resulting in ________.
A. increases; inspiration
B. increases; expiration
C. decreases; expiration
D. decreases; inspiration
Answer: D
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Which muscle is divided by tendinous insertions into segments externally visible on a well-muscled person?
A. Latissimus dorsi B. External oblique C. Trapezius D. Erector spinae E. Rectus abdominis
Edema may occur when
A) the plasma concentration of protein is reduced. B) capillary hydrostatic pressure is elevated. C) capillary endothelium permeability goes up. D) the plasma concentration of protein is reduced and capillary endothelium permeability goes up. E) the plasma concentration of protein is reduced, capillary hydrostatic pressure is elevated, and the capillary endothelium permeability goes up.
Most metabolic and regulatory functions in a neuron happen where?
A. The axon B. The Schwann cell C. The axon hillock D. The dendrites E. The cell body or soma
Where do humans obtain most of their water?
A) Drinking water B) Water trapped in solid food C) Metabolic water D) Condensation reactions