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ACTH levels are normally highest in the early morning (between 6 and 8 A.M.) and lowest in the evening (between 6 and 11 P.M.). Therefore, a doctor who suspects abnormal levels looks for low ACTH in the morning and high ACTH in the evening.

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Amphetamine poisoning can cause intravascular coagulation, circulatory collapse, rhabdomyolysis, ischemic colitis, acute psychosis, hyperthermia, respiratory distress syndrome, and pericarditis.

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Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.

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Stroke kills people from all ethnic backgrounds, but the people at highest risk for fatal strokes are: black men, black women, Asian men, white men, and white women.

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The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.

The integument: the epidermis, dermis, subcutaneous tissue, and its appendages. The integument: the epidermis, dermis, subcutaneous tissue, and its appendages.
Cutaway Drawing of Tholos, The So-called Treasury of Atreus Cutaway Drawing of Tholos, The So-called Treasury of Atreus
Skin structure. Three-dimensional view of the skin, subcutaneous tissue, glands, and hairs Skin structure. Three-dimensional view of the skin, subcutaneous tissue, glands, and hairs
In Marfan syndrome, defective connective tissue causes the base of the aorta to enlarge, and potenti In Marfan syndrome, defective connective tissue causes the base of the aorta to enlarge, and potenti
Blood tissue Blood tissue
Tissue-specific enhancer action Tissue-specific enhancer action
Video: Decubitus Ulcer

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