Assume that the left ventricle of a child's heart has an EDV=90mL, and ESV=60mL, and a cardiac output of 2,400 mL/min. His SV is ________ mL/beat and his HR is ________ bpm
A) 16; 150 B) 30; 80 C) 40; 60 D) 80; 30 E) 150; 16
B
You might also like to view...
All of the following are true of the differences between arteries and veins except
A. veins have one-way valves, but arteries do not. B. veins collapse when empty, but arteries remain rounded. C. veins have a thicker tunica externa than arteries. D. arteries have a thicker tunica media than veins. E. All of these are true of the differences between arteries and veins.
CPR methods for small animals (<15 kg) and larger animals (>15 kg) are the same
a. true b. false
Name the regions and functions of the pharynx
A) buccal pharynx, lingual pharynx, and oral pharynx; to mix food with salivary gland secretions B) labial pharynx, palatopharynx, and lingual pharynx; to mix food with salivary gland secretions C) buccal pharynx, labial pharynx, and palatopharynx; to provide a passageway for food to enter the esophagus D) nasopharynx, oropharynx, and palatopharynx; to provide a passageway for food to enter the esophagus E) nasopharynx, oropharynx, and laryngopharynx; to provide a passageway for food to enter the esophagus
The myocardium functions as a functional syncytium due to
a. the presence of striations in the myocardium. b. branching of myocardial cells. c. the presence of gap junctions. d. the presence of desmosomes.