A 45-year-old woman presents with a several-month history of progressive fatigue, muscle weakness, unintentional weight loss of 15 pounds, and episodes of dizziness upon standing. On examination, you note diffuse hyperpigmentation of her skin, particularly in the palmar creases and buccal mucosa, and a blood pressure of 90/60 mmHg. You suspect primary adrenal insufficiency. Which of the following laboratory panels would be the most appropriate initial investigation to order?

B vitamins are organic molecules that function to help generate energy in chemical reactions. This function means that B vitamins work as:  

A 45-year-old woman presents with a several-month history of progressive fatigue, muscle weakness, unintentional weight loss of 15 pounds, and episodes of dizziness upon standing. On examination, you note diffuse hyperpigmentation of her skin, particularly in the palmar creases and buccal mucosa, and a blood pressure of 90/60 mmHg. You suspect primary adrenal insufficiency. Which of the following laboratory panels would be the most appropriate initial investigation to order?

What is the role of self-awareness in achieving cultural competence for healthcare providers?

Crohn’s disease is an autoimmune disorder that can damage the microvilli in the small intestine. What is the function of microvilli? 

How can healthcare professionals benefit from understanding pop culture trends?

A 34-year-old woman presents with complaints of persistent fatigue, shortness of breath on exertion, and observed pallor over the past few months. Her menstrual periods have been notably heavy. A complete blood count reveals a hemoglobin of 9.2 g/dL, MCV of 72 fL (low), and MCH of 23 pg (low), consistent with microcytic, hypochromic anemia. To specifically assess her iron stores and confirm iron deficiency as the cause of her anemia, which of the following laboratory tests is the MOST sensitive and specific

Anemias characterized by microcytic (low Mean Corpuscular Volume – MCV) red blood cells include which of the following? (Select all that apply)

During a marathon, you start to feel disoriented and shaky. You’ve been drinking water at every water stop along the route. What condition could be affecting you? 

Dixie is examining the factors that contribute to academic performance. She is particularly interested in whether biological traits or study habits are associated with better grades. Which type of study design would be most appropriate for her to explore potential relationships among these variables?