Blood returning to the heart from the pulmonary circuit first enters the
A) right atrium.
B) right ventricle.
C) left atrium.
D) left ventricle.
E) conus arteriosus.
C
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A person is recovering from amputation of a limb. On which potential type of pain should care be focused?
A. Visceral B. Chronic C. Referred D. Phantom
Hypoxic hypoxia is characterized by reduced oxygen-carrying capacity of the blood
Indicate whether the statement is true or false
Standing on tiptoes is an example of a:
A) first-class lever system. B) second-class lever system. C) third-class lever system. D) lever system demonstrating mechanical disadvantage.
Suppose both excitatory and inhibitory neurons synapse with a single postsynaptic neuron. What determines if an action potential is initiated in the postsynaptic neuron?
A. the kind of neuron involved B. the size of the neuron involved C. whether the neuron is myelinated or non-myelinated D. the number of EPSPs in relation to the number of IPSPs E. This situation is not possible in humans.