Which structure is NOT part of the "anatomical dead space"?
A. Trachea
B. Bronchus
C. Terminal bronchiole
D. Bronchiole
E. Respiratory bronchiole
Answer: E
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Why are collagen fibers a critical component of bone?
A) Collagen fibers help trap water in the ECM. B) Collagen fibers help bone resist twisting, pulling, or stretching forces. C) Collagen fibers act as "glue" to bind components together. D) Collagen fibers help the bone resist compression.
What is inflammation?
A. Physical suffering or distress due to injury or illness B. A defense mechanism to warn the person that there is a problem C. The decrease of blood flow to an injured area D. The body's normal immune response to injury and disease
Which of the following is not involved in creating the resting membrane potential of a neuron?
A) diffusion of potassium ions out of the cell B) diffusion of sodium ions into the cell C) membrane permeability for sodium ions greater than potassium ions D) membrane permeability for potassium ions greater than sodium ions E) The interior of the plasma membrane has an excess of negative charges.
Because lipids are nonpolar, they must be wrapped by other molecules to be transported through the blood. This combined molecule is known as a ___________
Fill in the blank with correct word.