A high prolactin level may result from a pituitary tumor which is releasing too much prolactin. Pituitary tumors are actually fairly common. They are rarely cancerous, but they can cause problems either by over-producing a hormone such as prolactin, or by growing in size and pressing on surrounding structures.
Upon completion of an accredited program, nurse anesthetists must pass the National Certification Examination (NCE) to become a CRNA. This computer exam typically takes three hours. Each student must answer between 100 and 170 questions.
Nursing Degree Guide. Becoming a Certified Registered Nurse Anesthetist (CRNA) The profession of nurse anesthetists is hardly known outside the medical field, although it is a necessary service. During the late 19th and early 20th centuries, much surgery was conducted without anesthesia, as it was considered too dangerous by most physicians.