Diabetes Mellitus Overview

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Questions and Answers

What is the primary characteristic of diabetes mellitus?

  • Specific microangiopathy affecting the eyes and kidneys
  • Inability to produce and/or use insulin (correct)
  • Persistent hyperglycemia
  • Accelerated onset of nonspecific atherosclerosis

What is the most prevalent type of diabetes mellitus?

  • Gestational diabetes
  • Type 2 diabetes (correct)
  • Maturity-onset diabetes of the young (MODY)
  • Type 1 diabetes

Which of the following is a specific complication of chronic diabetes?

  • Hyperlipidemia
  • Cardiovascular disease
  • Hypertension
  • Retinopathy and nephropathy (correct)

Why is it important for dentists to be aware of diabetes?

<p>All of the above (D)</p> Signup and view all the answers

What is the incidence of type 1 diabetes compared to type 2 diabetes in persons younger than 20 years of age?

<p>Type 1 diabetes is more than four times more prevalent than type 2 diabetes (D)</p> Signup and view all the answers

What is a key role of dentists in the management of diabetes?

<p>Rendering care to patients with diabetes without endangering their well-being (B)</p> Signup and view all the answers

What are the three main goals of therapy for type 1 or type 2 diabetes?

<p>Eliminate symptoms related to hyperglycemia, reduce or eliminate long-term complications, and allow the patient to achieve a normal lifestyle (D)</p> Signup and view all the answers

What plasma glucose level is typically associated with the resolution of diabetes symptoms?

<p>Below 11.1 mmol/L (C)</p> Signup and view all the answers

What is the role of the physician in managing diabetes?

<p>To identify a target level of glycemic control, provide the patient with educational and pharmacologic resources, and monitor and treat diabetes-related complications (A)</p> Signup and view all the answers

Which of the following is NOT a long-term complication of diabetes that the physician aims to reduce or eliminate?

<p>Gastrointestinal complications (B)</p> Signup and view all the answers

What is the purpose of providing the patient with educational resources in diabetes management?

<p>To help the patient reach the target level of glycemic control (A)</p> Signup and view all the answers

Which of the following is NOT a key aspect of the physician's role in managing diabetes?

<p>Ensuring the patient maintains a healthy body weight (D)</p> Signup and view all the answers

What is the purpose of monitoring and treating diabetes-related complications in the management of diabetes?

<p>To reduce or eliminate the long-term microvascular and macrovascular complications of diabetes (A)</p> Signup and view all the answers

What is the main concern when providing postoperative analgesics for long-term steroid users?

<p>Peptic ulceration (A)</p> Signup and view all the answers

When managing dental patients taking steroids, what concern arises regarding adrenal crisis during and after surgery?

<p>Hypotension (A)</p> Signup and view all the answers

In dental patients undergoing invasive procedures with a history of hyperadrenalism, when should these procedures ideally be performed?

<p>During periods of good glucose control (C)</p> Signup and view all the answers

What did Fraser and colleagues report in 1952 regarding cortisone use and surgery?

<p>Hypotension leading to death post-surgery (C)</p> Signup and view all the answers

What is the primary reason for arranging follow-up appointments for dental patients with hyperadrenalism?

<p>To assess proper wound healing (B)</p> Signup and view all the answers

Which of the following is a significant concern for patients on long-term steroids undergoing dental procedures?

<p>Osteoporosis (D)</p> Signup and view all the answers

What is the main reason behind the concern of providing certain analgesics to long-term steroid users post-surgery?

<p>Potential for peptic ulceration (A)</p> Signup and view all the answers

Why might additional corticosteroids be necessary for patients on regular steroid regimens during and after dental surgery?

<p>To prevent adrenal crisis (C)</p> Signup and view all the answers

What is the primary consideration for dental management of patients taking corticosteroids?

<p>Assessing the type of corticosteroid insufficiency (B)</p> Signup and view all the answers

Which of the following medications should be discontinued at least 24 hours before surgery for a patient taking corticosteroids?

<p>Phenytoin (B)</p> Signup and view all the answers

What is the immediate treatment required during an adrenal crisis in a patient taking corticosteroids?

<p>Administer 100 mg of hydrocortisone or 4 mg of dexamethasone IV and provide fluid replacement (A)</p> Signup and view all the answers

Why is it important for dentists to avoid the use of phenobarbital in patients taking corticosteroids?

<p>Phenobarbital increases the metabolism of cortisol and reduces blood levels of cortisol (C)</p> Signup and view all the answers

What is the primary goal of monitoring blood pressure in patients taking corticosteroids during dental procedures?

<p>To prevent adrenal crisis (B)</p> Signup and view all the answers

Which of the following is a key consideration for dentists when managing patients taking corticosteroids?

<p>Evaluating the patient's risk of developing adrenal crisis (B)</p> Signup and view all the answers

Which of the following medications should be discontinued at least 24 hours before surgery for a patient taking corticosteroids?

<p>Ketoconazole (C)</p> Signup and view all the answers

What is the primary reason for dentists to be aware of a patient's corticosteroid use?

<p>To provide appropriate supplemental steroids during stress or illness (C)</p> Signup and view all the answers

Which product in excess leads to mineralocorticoid excess (primary aldosteronism)?

<p>Aldosterone (C)</p> Signup and view all the answers

What is the most common form of hyperadrenalism that leads to Cushing syndrome?

<p>Glucocorticoid excess (A)</p> Signup and view all the answers

Which physical characteristic is NOT typically associated with Cushing syndrome?

<p>Dependent edema (D)</p> Signup and view all the answers

Hypotension, dehydration, and shock are seldom encountered in which type of adrenal crisis?

<p>Tertiary adrenal suppression (C)</p> Signup and view all the answers

Which of the following is NOT a syndrome produced by adrenal hyperfunction?

<p>Renin secretion (D)</p> Signup and view all the answers

What is the main cause of Cushing syndrome?

<p>Glucocorticoid excess (C)</p> Signup and view all the answers

Which of the following is NOT a symptom of mineralocorticoid excess (primary aldosteronism)?

<p>'Moon facies' (C)</p> Signup and view all the answers

'Moon facies' is a characteristic physical feature associated with which disorder?

<p>'Moonitis' (C)</p> Signup and view all the answers

What is the primary function of the adrenal medulla?

<p>Secretion of epinephrine (A)</p> Signup and view all the answers

What is the primary role of cortisol in the body?

<p>Regulation of blood sugar levels (A)</p> Signup and view all the answers

What is the effect of cortisol on the inflammatory response?

<p>Cortisol inhibits inflammation through its actions on lysosome release, prostaglandin production, and adhesion molecules (A)</p> Signup and view all the answers

What is the normal daily secretion rate of cortisol?

<p>20 mg (C)</p> Signup and view all the answers

What is the effect of stress on cortisol secretion?

<p>Stress increases cortisol secretion through stimulation of the HPA axis (A)</p> Signup and view all the answers

What is the primary function of the adrenal cortex?

<p>Secretion of steroid hormones (B)</p> Signup and view all the answers

What is the term used to describe excessive secretion of adrenal hormones?

<p>Hyperadrenalism (C)</p> Signup and view all the answers

What is the typical pattern of cortisol secretion over a 24-hour period?

<p>Cortisol levels are highest in the morning and lowest in the evening (D)</p> Signup and view all the answers

What is the expected number of patients with potential adrenal abnormalities or using corticosteroids in a dental practice serving 2000 adults?

<p>50 patients (D)</p> Signup and view all the answers

Which condition is characterized by the destruction or removal of the adrenal cortex?

<p>Primary adrenocortical insufficiency (Addison disease) (C)</p> Signup and view all the answers

What is the cause of tertiary adrenal insufficiency?

<p>Processes that impair hypothalamic function, often chronic corticosteroid use (B)</p> Signup and view all the answers

What is the term used to describe the generalized state caused by excessive cortisol in the body, regardless of the cause?

<p>Cushing syndrome (C)</p> Signup and view all the answers

What condition can occur if a patient with adrenal insufficiency does not have adequate circulating cortisol during times of stress?

<p>Adrenal crisis (C)</p> Signup and view all the answers

Which type of adrenocortical insufficiency is a consequence of pituitary disease or lack of adrenal responsiveness to ACTH?

<p>Secondary adrenocortical insufficiency (B)</p> Signup and view all the answers

What is the most common cause of overproduction of glucocorticoids?

<p>Cushing disease (A)</p> Signup and view all the answers

Which statement about the signs and symptoms of hypoadrenalism (adrenocortical hormone deficiencies) is true?

<p>They are often nonspecific, unless the patient is significantly stressed (D)</p> Signup and view all the answers

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