Physical Examination and Health Assessment 9th Edition Test Bank

Correct Answer: C

Rationale: The most likely explanation for Mrs. Lenzo noticing a 4-pound weight gain over just 2 days is fluctuations in body fluid. Our body weight can fluctuate throughout the day due to factors such as hydration levels, sodium intake, and hormonal changes. It is not physically possible to gain 4 pounds of actual body mass (e.g., fat or muscle) in such a short period of time by overeating or wearing different clothing. Additionally, if Mrs. Lenzo's scale is very accurate as mentioned, it is less likely that the weight gain is due to instrument inaccuracy. Therefore, the most plausible reason for the sudden weight gain is fluctuations in body fluid retention.

Correct Answer: C

Rationale: The young violinist is experiencing symptoms of anxiety specifically related to performing in front of others, which is characteristic of social phobia (also known as social anxiety disorder). The symptoms occur only during performances, indicating the anxiety is triggered by social situations where he is the center of attention. His ability to perform without symptoms during rehearsals or practice sessions further supports the diagnosis of social phobia, as the anxiety is specifically related to public performance. In contrast, panic disorder is characterized by recurrent, unexpected panic attacks that are not situation-specific, and specific phobia involves an intense fear of a specific object or situation, neither of which fully match this patient's presentation. Generalized anxiety disorder involves excessive worry and anxiety about various aspects of life, which is not the main feature of this case.

Correct Answer: B

Rationale: When using an interpreter to facilitate an interview, it is recommended that the interpreter be positioned next to the patient. This allows the examiner to maintain eye contact with the patient and observe their nonverbal cues, while also being able to hear the interpreter clearly. Placing the interpreter between the examiner and the patient may create a barrier to communication and make it difficult for all parties to observe each other's expressions and body language. Having the interpreter behind the examiner could make it challenging to fully see the patient's lips and nonverbal cues, which are essential in communication. Placing the interpreter in a corner of the room may also lead to decreased engagement and interaction among the participants. Therefore, positioning the interpreter next to the patient provides the most effective communication flow and allows for better observation and understanding during the interview.

Correct Answer: A

Rationale: Inspiratory splitting of S occurs due to the normal physiological delay in the closure of the aortic and pulmonic valves during inspiration. During inspiration, the negative intrathoracic pressure leads to increased venous return to the right side of the heart, causing a slight delay in the closure of the pulmonic valve. This results in the aortic valve closing first, followed by the closure of the pulmonic valve, leading to the splitting of S during inspiration.

Correct Answer: B

Rationale: Option B, briefy summarizing what you heard from the patient in the first 5 minutes and then trying to have her focus on one aspect of what she told you, is the best technique to facilitate a more focused and efficient interview. This approach acknowledges the patient's need to talk while also guiding the conversation towards more relevant topics. By summarizing at the beginning, you demonstrate that you are listening, and by redirecting the conversation to specific points, you can ensure that important issues are addressed within the time constraints of the appointment. It can help streamline the visit and prevent it from meandering off track due to the patient's chattiness.