Robert is a single, 20-year-old, Caucasian male. He has a moderately active lifestyle. He walks his dog every day and enjoys hiking on the weekend. He is an animal lover and has recently transitioned from a vegetarian diet to a strict vegan diet in the last 18 months.He’s at the University of Arizona, majoring in pharmaceutical science, he spends most of his time studying for PSIO 202 and organic chemistry. He recently began dating his PSIO lab partner, Valentina, who is also vegan. They enjoy cooking together and eat most of their meals at home.

QUESTION

Initial Case Study Presentation and Assignment

Robert is a single, 20-year-old, Caucasian male. He has a moderately active lifestyle. He walks his dog every day and enjoys hiking on the weekend. He is an animal lover and has recently transitioned from a vegetarian diet to a strict vegan diet in the last 18 months.He’s at the University of Arizona, majoring in pharmaceutical science, he spends most of his time studying for PSIO 202 and organic chemistry. He recently began dating his PSIO lab partner, Valentina, who is also vegan. They enjoy cooking together and eat most of their meals at home.

On Saturday, Robert went for his usual walk, but began to feel fatigued and breathless after just half a mile.He attributed it to having only eaten a salad that day and made a note to eat more protein, although he dislikes most meat substitutes.After a good night’s sleep and a large breakfast, Robert decided to go on a hike with Valentina in the morning. He struggled for most of the hike even though it was light terrain. About halfway through the hike he began feeling some tingling in his fingers and numbness in his feet. He was not too concerned, because he was breaking in new hiking boots and had been swinging his arms a lot throughout the hike. However, after tripping repeatedly and struggling to navigate the trail, Robert decided that they should turn back early.

That following week, Valentina noticed that her usually fun-loving, boisterous boyfriend seemed to be growing more and more moody, depressed, and tired. These changes, along with Robert’s occasional complaint of numbness and tingling, lead Valentina to suggest that Robert see his PCP, so he made an appointment for the next day.

Assignment 1:Diagnostic Test Recommendation

Based on the information presented in the scenario above, choose 2 diagnostic tests or scans that you would recommend be performed on Robert. Briefly describe the tests/scans and explain what information each could give you about Robert’s condition.

ANSWER

Based on the symptoms and observations described in the scenario, two diagnostic tests that could be recommended for Robert are:

1. Complete Blood Count (CBC): A CBC test is a common blood test that provides valuable information about the different types and quantities of cells in the blood. This test can help identify any abnormalities or deficiencies in the blood cells, including red blood cells (RBCs) and white blood cells (WBCs). In Robert’s case, the CBC test can provide information about his hemoglobin levels and hematocrit (which indicate the oxygen-carrying capacity of his blood), as well as his RBC count. Abnormalities in these parameters can indicate potential causes of fatigue and breathlessness, such as anemia or other blood disorders.

2. Vitamin B12 level test: Since Robert has recently transitioned to a strict vegan diet, which excludes animal products including meat, dairy, and eggs, it is important to assess his vitamin B12 levels. Vitamin B12 is predominantly found in animal-based foods, and its deficiency is commonly associated with a vegan diet. Low levels of vitamin B12 can lead to fatigue, mood changes, and neurological symptoms like numbness and tingling in the extremities. Testing Robert’s vitamin B12 levels can help determine if he has a deficiency and whether it may be contributing to his symptoms.

These diagnostic tests can provide valuable insights into Robert’s condition. The CBC test can help identify any underlying blood disorders or anemia that may be causing his fatigue and breathlessness. The vitamin B12 level test can determine if his symptoms are related to a deficiency caused by his vegan diet. These tests will assist in identifying potential causes and guiding further investigation or treatment options to address Robert’s health concerns.

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