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 is the most reasonable conclusion that can be drawn from the fact that the frequency of the recessive trait (aa) has not changed over time?

A patient is brought into the emergency department after being assaulted. It is suspected that the patient has a spinal cord injury. Which diagnostic test does the nurse anticipate based on the data collected?

A nurse is teaching about adverse effects of anastrozole with a client who has advanced breast cancer and is postmenopausal. Which of the following adverse effects should the nurse recommend the client report to the provider?

What symptoms should the nurse recognize that differentiate a client diagnosed with panic disorder from a client diagnosed with generalized anxiety disorder (GAD)?

Which assessment data indicates the patient is experiencing a late symptom associated with chronic aspirin overdose?

During an assessment, the nurse suspects a patient is experiencing genital herpes. Which clinical manifestations cause the nurse to come to this conclusion? Select all that apply.

An occupational health nurse is instructing workers at an industrial facility in emergency procedures in the event of a traumatic amputation. Which of the following guidelines should the nurse include for emergency care? Select all that apply.

A nurse is teaching a group of clients about emergency care for a snake bite. Which of the following information should the nurse include in the teaching?

Which of the following individuals are communicating a message? (Select all that apply.)

An employee uses the defense mechanism of displacement when the boss openly disagrees with suggestions. What behavior would be expected from this employee?