Blood pressure in the large systemic arteries is greatest during:
isovolumetric diastole
atrial systole
isovolumetric systole
systolic ejection
none of the choices are correct
systolic ejection
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Which of the following may be released by cells of the sympathetic division?
A) ACh B) norepinephrine C) epinephrine D) All of the answers are correct. E) None of the answers are correct.
The femoral nerve arises from which nerve plexus?
A. Brachial B. Sacral C. Cervical D. Lumbar
Which of the following do costal cartilages connect?
A) The clavicles with the sternum B) The ribs with the sternum C) The true ribs with the scapula D) The floating ribs with xiphoid process E) The false ribs with the viscera and peritoneum
Low-grade fever is an effective defense for short periods of time because it
A. includes pyrogens that destroy the pathogens. B. increases iron in the blood. C. slows the attack of phagocytes. D. increases temperature, which slows the growth of bacteria.