The process of binding a drug or hormone to a target cell receptor and thus decreasing the number of receptors is ______________________ - ______________________

A 22-year-old woman presents in moderate distress, complaining of diffuse lower abdominal pain. She states that the pain has become progressively worse for the past two weeks and she is now unable to walk without an increase in pain. Your physical exam reveals severe pain with palpation of the lower abdomen and the following vital signs: heart rate 102, blood pressure 118/74 mmHg, and respirations 20. Which of the following statements made by the patient would most indicate the presence of pelvic inflammatory disease?

A) "My boyfriend was just diagnosed with chlamydia." B) "I take birth control pills." C) "My last menstrual cycle was normal." D) "I have chronic urinary tract infections."

Patients with galactosemia cannot digest:

A) pectin B) milk C) carbohydrates D) fats