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This is due to inability of the adrenal cortex to respond to the ACTH. I purchased this book in the PDF version. Well, this book is worse than that since it has so many errors. http://en.wikipedia.org/wiki/ACTH_stimulation_testhttp://en.wikipedia.org/wiki/Addison's_diseaseSo I guess the point of this overly verbose rant is that I personally would like to study in peace and not wonder whether or not the material I am using is correct. Thus, the stimulation test is accomplished by administering ACTH exogenously to a suspect patient. For secondary (depending on the amount of time the pituitary was in hypofunction), you would see an increase in cortisol in response to injected ACTH.
Some of the questions do not even correlate with the answer explanations, while other answers are flat out incorrect. In just 40 questions I have found NUMEROUS errors and discrepancies. For instance, there is a question about the ACTH test & Addison's disease. The question is fine and the answer choice is correct, however, the explanation for the answer is completely inaccurate. Inadequate would be something that just doesn't prepare you well enough. Primary Addison is due to autoimmune, infectious, neoplastic, or hemorrhagic damage to the adrenal cortex. Secondary Addison is caused by a decrease in ACTH from the pituitary gland, thus hypofunction of the adrenal cortex.
(the above explanation is fine, but when they get to the most important part below, they SWITCH the reasoning).If cortisol increases, then primary Addison is suspected (adrenal cortex still functioning). If cortisol levels stay the same, then secondary Addison is suspected. 39.What does the ACTH stimulation test accomplish. I am currently studying for the Micro/Path section right now and have only done about 40 of these questions. You can check out these 2 links for a proper explanation if you need it.
See below. A.Differentiates between primary and secondary hyperparathyroidism B.Differentiates between hyper- and hypothyroidism C.Differentiates between Cushing disease and syndrome D.Differentiates between primary and secondary Addison disease (correct answer)E.Differentiates between acromegaly and dwarfism39.The correct answer is D.The ACTH stimulation test is used to differentiate between primary and secondary Addison disease. Basically, primary Addison's is a result of adrenal damage in one form or another, which would make it nearly unresponsive to exogenous ACTH depending on the degree of damage. And unfortunately this book is riddled with errors.
First Aid Q&A for the NBDE Part I (First Aid Series) (Pt. 1)I used this book as a practise for my exam- regretfully, the questions aren't based on exam at all, they are very simple, basic and misguided me into thinking that exam qs are easy, there are very few diagrams/images and no clinical vignette type qs.serious waste of money and TIME.moreover explanations are very abrupt and inadequate, I wouldn't recommend it to any test-takers.
I like the book. It's really a great help for successfully passing the NBDE part. i hope there'll be Part 2. great.
This is a good product and complement to the first aid review guide for part I national dental boards.
As it says to review is to go over the details again, which needs a good guidline. this book is a good one for the purpose, not a single book to read to pass the board.Good luck
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