A50-year-old man has undergone a bunionectomy and has been admitted to the postsurgical unit. what aspect of the man's medical history would contraindicate the use of heparin for deep vein thrombosis (dvt) prophylaxis?

The answer is (B) The man has a diagnosis of ulcerative colitis. Having GI ulcerations contraindicate the use of heparin. Obesity, diabetes, and previous MI do not rule out the safe use of heparin.

science-ocean floors and habitats study guide by volleyballqueen3817 a major advance in ocean-floor mapping. list four sections of the ocean floor. algae that use sunlight to produce their own food through photosynthesis. all of the feeding relationships that exist in a habitat. drying out, predators, find food.

many phylogenetic trees have a single lineage at the base representing a common ancestor. a lineage that evolved early from the root and remains unbranched is called basal taxon. when two lineages stem from the same branch point, they are called sister taxa.

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explanation: