If the partial pressure of oxygen is lower in the pulmonary capillaries than in the alveolus, O2 will diffuse:
from the area of lesser concentration to the area of greater concentration
out of the pulmonary capillary into the alveolus
there will be no net diffusion of oxygen
out of the alveolus into the pulmonary capillary
none of the choices are correct
out of the alveolus into the pulmonary capillary
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The process by which the brain causes a sensation to seem to come from the stimulated receptors is called ________.
Fill in the blank(s) with the appropriate word(s).
Clusters of ganglionic sympathetic neurons that innervate organs in the abdominopelvic region are called ________ ganglia
A) intramural B) collateral C) chain D) paravertebral E) adrenal
The inner cell mass of the blastocyst
A. contains cells that will form the embryo. B. contains cells that are discarded. C. consists of yolk-filled storage cells. D. represents the future placenta. E. will form the zona pellucida.
In which of the following patients should you remove an impaled object?
A. a semiconscious patient with an ice pick impaled in the chest B. an apneic patient with a shard of glass impaled in the abdomen C. a pulseless and apneic patient with a knife impaled in the back D. a conscious and alert patient with a fishhook impaled in the eye