What helps keep the alveoli from collapsing during exhalation?
A. Water
B. Oxygen
C. Mucus
D. Surfactant
E. Intrinsic factor
D. Surfactant
Anatomy & Physiology
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Some factors that help to stimulate the newborn's first breath are increasing CO2,
decreasing pH, decreasing O2, decreasing body temperature, and mechanical stimulation. Indicate whether the statement is true or false
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The two cerebral hemispheres are separated by the
A) longitudinal fissure. B) central sulcus. C) transverse fissure. D) parieto-occipital sulcus. E) postcentral sulcus.
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Following an injury to his arm, a patient complains that he cannot extend the forearm, wrist, and digits. You suspect that he has damaged the
A. median nerve. B. radial nerve. C. musculocutaneous nerve. D. ulnar nerve. E. axillary nerve.
Anatomy & Physiology
What is the mass number of this atom?
Anatomy & Physiology