The divide between the nasal cavity and the oral cavity is formed by the ________.
A. olfactory mucosa
B. nasal conchae
C. palate
D. nasal septum
Answer: C
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When a sensory receptor is an afferent neuron, the membrane potential that is initiated by a stimulus is called a
A) Generator potential. B) Receptor potential. C) Synaptic potential. D) Action potential.
Mitosis ________.
A) is the formation of sex cells B) produces nucleus replication C) creates diversity in genetic potential D) always results in division of a cell
During hemorrhagic shock in which blood pressure is decreased, which of the regulatory mechanisms is most important is increasing cardiac output to help maintain blood pressure?
A. Increase in parasympathetic stimulation of the heart B. Increase vagal stimulation of the heart C. Increase venous return D. Increase in the amplitude of the heart sounds E. Increased sympathetic stimulation of the heart
The hypoxic drive, a backup system to control breathing, is stimulated when:
A. arterial PaO2 levels decrease. B. arterial PaCO2 levels increase. C. arterial PaO2 levels increase. D. arterial PaCO2 levels decrease.