A patient experiences head trauma from a motorcycle accident and later develops diabetes insipidus due to damage to the posterior pituitary which then results in the loss of anti-diuretic hormone. Which of the following electrolyte imbalances is most likely to develop due to the loss of this hormone?

A patient presents with depression and you decide to order a TSH to check for thyroid dysfunction. Results are within normal range. What is the next best step?

You can always count on all lab values to be accurate.

A patient presents with an itchy, annular, cutaneous lesion that has light scaling. As the PA, you scrape some cells from the lesion and examine them under the microscope. Which category includes this type of laboratory test?

Which of the following statements is TRUE regarding monitoring of patients with diabetes mellitus?

A patient has pyelonephritis and the nephrons are not functioning normally. Which of the following BUN/Cr ratio is most likely for this patient?

A 58 year old female on long-term diuretic therapy presents with muscle cramps and fatigue. Which electrolyte disturbance would you most likely expect?

A patient with a long history of hypertension and diabetes, but no medical care, now presents to the emergency department to be evaluated after a motor vehicle accident. You order a CMP. Here are the results:               BUN                     19 mg/dL                                     (normal: 6-20 mg/dL)               eGFR                   38 mL/min/1.73m2                     (normal:  >60 mL/min/1.73m2)               ALT                       52 U/L                                          (normal:     7-56 U/L)               AST                      60 U/L                                          (normal:     5-40 U/L)               Alk Phos             153 U/L                                         (normal:     41-133 U/L)Does the patient have kidney disease? ____________. What could explain the normal BUN but low eGFR? ________________________. Is the AST and Alk Phos elevated due to liver problems or non-liver problems? ________________________.

Lab and diagnostic testing is important to determine an accurate diagnosis.

Which of the following is TRUE regarding acute phase reactants? (Erythrocyte sedimentation rate/ESR and C-reactive protein / CRP)