Correct Answer: A

Rationale: Introducing oneself is the first step in establishing a rapport and setting a professional tone for the interaction.

Correct Answer: B

Rationale: In many Asian cultures, avoiding eye contact is a sign of respect, especially towards authority figures such as healthcare providers.

Correct Answer: A

Rationale: In Freud's psychosexual development theory, the oral stage is the first stage and occurs during infancy. It focuses on activities involving the mouth, such as sucking and feeding. This stage is crucial for the child's development as it forms the basis for trust and attachment. Choices B, C, and D are incorrect as latency refers to the stage during middle childhood where sexual impulses are suppressed, genitality refers to the final stage focusing on mature sexual relationships, and anality refers to the stage occurring during the toddler years where toilet training plays a significant role.

Correct Answer: B

Rationale: When switching from intravenous to oral morphine, a higher oral dose is required to achieve equianalgesia due to significant metabolism from the first-pass effect. Choosing the same oral dose as the intravenous dose would provide less pain relief. Opting for a dose greater than the intravenous dose is necessary to achieve the same analgesic effect. Therefore, options A, C, and D are incorrect.

Correct Answer: A

Rationale: Directly asking the adolescent if she is sexually active is the most straightforward and respectful approach, ensuring privacy and fostering trust.