Questions and Answers
Which of the following best describes hypoxia?
A condition caused by a reduced oxygen delivery to the tissues
What is the primary source of energy production in cells?
Oxidative phosphorylation
Which of the following is a consequence of hypoxia?
Cell swelling
What is the effect of reduced oxygen levels on oxidative phosphorylation?
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What is the primary cause of metabolic acidosis in hypoxia?
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Which of the following is NOT a consequence of hypoxia?
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What is the effect of hypoxia on oxidative phosphorylation?
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What is the primary cause of cellular swelling in hypoxia?
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Which of the following is a consequence of increased lactic acid in cells during anaerobic respiration?
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Which of the following is NOT an example of a free radical?
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What happens to free radicals in normal conditions?
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What is the primary function of glutathione in dealing with free radicals?
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Which of the following is a consequence of excessive production or inadequate removal of free radicals in cells?
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What is the effect of cell injury resulting from excessive production or inadequate removal of free radicals?
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Which of the following best describes direct-acting toxins?
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Which of the following is an example of latent toxins?
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What is the primary mechanism of cell injury caused by latent toxins?
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Which of the following is a common result of radiation?
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What happens if the damage to DNA caused by radiation is too great to be repaired successfully?
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Which of the following is a mechanism by which cells become injured in autoimmunity and infection?
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What is the process by which inflammatory cells generate ROS?
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Which cellular components can be damaged by ROS, resulting in cell injury?
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Which type of cell death is characterized by an inflammatory response?
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Which type of cell death is energy-dependent and does not elicit an inflammatory response?
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Which type of cell death is a normal physiological process as well as a response to injury?
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Which of the following is a characteristic feature of necrosis?
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Which nuclear change is characterized by the rupture of the pyknotic nuclear membrane and fragmentation of the nucleus?
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Which nuclear change is characterized by the fading of the nucleus and dissolution of chromatin due to the action of DNAases and RNAases?
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Which nuclear change is characterized by nuclear shrinkage and condensation of DNA into a shrunken basophilic mass?
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Which of the following is NOT a characteristic feature of apoptosis?
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Which type of cell death is characterized by adjacent inflammation?
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Which of the following is a characteristic feature of apoptosis?
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What is the primary role of apoptosis?
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Which of the following is a characteristic feature of necrosis?
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Which of the following is a consequence of excessive production or inadequate removal of free radicals in cells?
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What is the primary cause of infarction?
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Which of the following is a consequence of ischaemia?
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