Which of the following should you expect to see if the transition zone in the precordial leads is between V1 and V2?
A) R waves that remain the same size in V1 and V2
B) R waves that progress from unusually large in V1 to very small in V2
C) R waves that remain flat in V1 and V2
D) R waves that progress from very small in V1 to unusually large in V2
D
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A patient has failure of the left side of his heart. Consequently, his blood is backing up into the pulmonary artery and seeping into the lung tissue, causing the patient to be short of breath and moderately hypoxic. The EMT should recognize this condition as a product of:
A) Increased hydrostatic pressure B) Decreased circulating blood volume C) Increased osmotic pressure D) Decreased pulmonary perfusion
Choose the best match for each item. Use an answer only once.
A. lives on outer host surface B. roundworms and flatworms C. insect, crustacean, or arachnid D. recurring in a location or population E. unicellular, eukaryotes F. host in which immature parasite form is found G. lice, bugs, fleas, flies H. organism other than main host that can serve as a source of infection I. host in which sexual or adult form of parasite is found J. organism living in or on a host but causing no damage to host K. L.