Test results can be erroneously low in patients who are severely dehydrated, hypotensive, or in shock. Each condition affects how substances are processed in the body, leading to misleading results. Therefore, the correct response is 'All the above.' ;
Test results may be erroneously low if a patient is severely dehydrated, hypotensive, or in shock, as each condition impacts how substances are processed in the body. Thus, the answer is 'D. All the above.'
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