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A patient recovering from a hysterectomy does not want to ta…

A patient recovering from a hysterectomy does not want to take the prescribed estrogen replacement therapy because of the fear of developing breast cancer. Which response by the nurse is the most appropriate?

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“Conventional wisdom holds that the development of separate…

“Conventional wisdom holds that the development of separate species happens quickly, most often when populations become separated by a geographical barrier.” This is called ________ speciation. “Even if these groups meet again and manage to mate before diverging too far from one another, their offspring will be unfit and die out.” This is described as hybrid ________.

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The nurse is providing care to several patients in the emerg…

The nurse is providing care to several patients in the emergency department. Which patient is the priority when using the three-tiered triage system?

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The following question(s) refer to the evolutionary tree in…

The following question(s) refer to the evolutionary tree in Figure 22.4, whose horizontal axis represents time (present time is on the far right) and whose vertical axis represents morphological change.    

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Traditionally, whales and hippopotamuses have been classifie…

Traditionally, whales and hippopotamuses have been classified in different orders, the Cetacea and the Artiodactyla, respectively. Recent molecular evidence, however, indicates that the whales’ closest living relatives are the hippos. This has caused some zoologists to lump the two orders together into a single clade, the Cetartiodactyla. There is no consensus on whether the Cetartiodactyla should be accorded order status or superorder status. This is because it remains unclear whether the whale lineage diverged from the lineage leading to the hippos before or after the other members of the order Artiodactyla (pigs, camels, etc.) diverged (see Figure 20.5)   Figure 20.5   If it turns out that the whale lineage diverged from the lineage leading to hippos after the divergence of the lineage leading to the pigs and other artiodactyls, and if the whales continue to be classified in the order Cetacea, then what becomes true of the order Artiodactyla?

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A nurse is performing cardiopulmonary resuscitation (CPR) fo…

A nurse is performing cardiopulmonary resuscitation (CPR) for an adult client who is unresponsive. The nurse should evaluate the client’s circulation by palpating which of the following pulses?

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A large population of laboratory animals has been allowed to…

A large population of laboratory animals has been allowed to breed randomly for a number of generations. After several generations, 25% of the animals display a recessive trait (aa), the same percentage as at the beginning of the breeding program. The rest of the animals show the dominant phenotype, with heterozygotes indistinguishable from the homozygous dominants.   What proportion of the population is probably heterozygous (Aa) for this trait?

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You are studying three populations of birds. Population A ha…

You are studying three populations of birds. Population A has 10 birds, of which 1 is brown (a recessive trait) and 9 are red. Population B has 100 birds, of which 10 are brown. Population C has 30 birds, and 3 of them are brown.   Which population is most likely to be subject to the bottleneck effect?

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A community mental health nursing is planning care to addres…

A community mental health nursing is planning care to address the issue of depression among older adult clients in the community. Which of the following interventions should the nurse implement as a method of tertiary prevention?

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A nurse is assessing a client who has viral rhinitis and a h…

A nurse is assessing a client who has viral rhinitis and a history of herpes simplex virus type 1 (HSV-1) lesions. The nurse should assess which of the following areas of the body for the recurrence of HSV-1 lesions?

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