The nurse is caring for a child who has been diagnosed with cystic fibrosis, which the nurse knows is an autosomal recessive condition. What are the most likely genotypes of this patient’s healthy parents? C is the healthy allele and c is the disease allele.

The nurse is taking care of a patient with symptoms concerning for Cushing’s syndrome/disease, namely moon facies, acanthosis nigricans, hair loss, thinning of skin, weight gain, hyperglycemia, hypertension, and osteoporosis. Initial diagnostic tests found the patient’s Cushing syndrome to be ACTH-dependent. Which of the following diagnostic tests would best differentiate between an ectopic ACTH-producing source versus a pituitary source?

The 20-year-old student went on a mission trip to Ghana to help at a local hospital. She presented to the clinic 12 days after her return; she began to experience anorexia, flu-like symptoms, and fatigue. Ten days later, she noticed her eyes and skin looked yellow. Her history, assessment, and vitals are within normal limits except her yellow sclera and jaundiced skin. Initial lab studies reveal a total bilirubin of 16, indirect bilirubin of 8, AST of 1320 and ALT of 1400. The nurse prepares the patient for which test next?