The volume of air that is moved into or out of the respiratory tract in one breath is called:
A) tidal volume.
B) alveolar volume.
C) minute volume.
D) inspiratory reserve volume.
Answer: A) tidal volume.
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Which of the following forms the fetal portion of the placenta?
A. Embryoblast B. Chorion C. Amnion D. Yolk sac E. Allantois
The three types of subatomic particles that are important for understanding chemical reactions in the human body are
a) neutrons, quarks, and muons. b) protons, neutrons, and electrons. c) muons, positons, and neutrons. d) electrons, quarks, and protons. e) positons, protons, and neutrons.
Which artery is a branch of the celiac trunk?
A. Right gastric artery B. Right gastro-omental artery C. Left gastro-omental artery D. Left gastric artery E. Superior mesenteric artery
The change in size of the bone marrow (where blood cells are produced) as an infant matures is an example of ________, whereas the transformation of blood stem cells into white blood cells is an example of ________.
A. development; differentiation B. growth; differentiation C. growth; development D. differentiation; growth E. differentiation; development