Patho Final Examination LATEST FOR 2021
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What period follows depolarization of the myocardium and represents a period during which no new cardiac potential can be propagated? Correct! Refractory Threshold Sinoatrial (SA) Hyperpolarizat... ion During the refractory period, no new cardiac action potential can be initiated by a stimulus. This selection is the only option that accurately identifies the period described in the question. Question 2 2 / 2 pts What is the suggested mean blood pressure for an 8- to 9-year-old child? Correct! 106/58 mm Hg 104/55 mm Hg 112/62 mm Hg 121/70 mm Hg The suggested mean blood pressure for an 8- to 9- year-old child is 106/58 mm Hg. For a child of 6 to 7 years old, 104/55 mm Hg is appropriate; for a 12- to 13-year-old child, 112/62 mm Hg is appropriate, and for a 16- to 18-year-old young man, 121/70 mm Hg is appropriate. Question 3 2 / 2 pts Which is an example of an endogenous antigen? Yeast Correct! Cancer cells Fungus Bacteria Of the options provided, endogenous antigens include only those uniquely produced by cancerous cells. Question 4 2 / 2 pts An infant has a crescendo-decrescendo systolic ejection murmur located between the second and third intercostal spaces along the left sternal border. A wide fixed splitting of [Show More]
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