Which of the following is the term for a deficiency of oxygen or the inability to utilize oxygen in a tissue?
A. Apoxia
B. Hypoxia
C. Eupnea
D. Cyanosis
E. Anoxia
Answer: B
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Neil accidentally ingests a substance that activates the complement cascade in the absence of bound antibodies. This substance would _________.
A) increase circulation of lymph. B) cause extensive cellular damage. C) produce a fever. D) activate blood clotting. E) prevent inflammation.
In a healthy person, most of the particles that are inhaled into the respiratory system are trapped in the mucus and moved by cilia to the pharynx (toward the digestive system).
pass through the alveoli into the circulatory system, where they are engulfed by white blood cells. are caught on the vocal cords. are trapped in the sinuses.
The sound of a heart murmur is created from
A. a hiccup. B. leaky heart valves. C. acid reflux in the esophagus. D. fluid in the lungs.
After embryonic folding, the ________ sac becomes reduced in size and eventually gives rise to the first blood cells and stem cells that give rise to gametes.
Fill in the blank(s) with the appropriate word(s).