A 65-year-old man with severe atherosclerotic coronary artery disease comes to the emergency department because of a 12-hour history of chest pain. Plasma activity of the MB isozyme of creatine kinase (MB-CK) is markedly increased. Which of the following processes is the most likely explanation for the increased plasma MB-CK? (A) Cell membrane damage (B) Endoplasmic reticulum dilation (C) Mitochondrial swelling (D) Polysome dissociation (E) Sodium pump dysfunction

Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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A 65-year-old man with severe atherosclerotic coronary artery disease comes to the emergency
department because of a 12-hour history of chest pain. Plasma activity of the MB isozyme of
creatine kinase (MB-CK) is markedly increased.
Which of the following processes is the most likely explanation for the increased plasma MB-CK?
(A) Cell membrane damage
(B) Endoplasmic reticulum dilation
(C) Mitochondrial swelling
(D) Polysome dissociation
(E) Sodium pump dysfunction
Transcribed Image Text:A 65-year-old man with severe atherosclerotic coronary artery disease comes to the emergency department because of a 12-hour history of chest pain. Plasma activity of the MB isozyme of creatine kinase (MB-CK) is markedly increased. Which of the following processes is the most likely explanation for the increased plasma MB-CK? (A) Cell membrane damage (B) Endoplasmic reticulum dilation (C) Mitochondrial swelling (D) Polysome dissociation (E) Sodium pump dysfunction
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