$$7$$ mmol/L $$\u003c \text{BG} \u003c 11$$ mmol/L

Question 1

Which of the following best describes the primary physiological problem in diabetes mellitus?

Accepted Answer

Defective insulin secretion or action leading to chronic hyperglycemia

Question 2

A patient has a fasting blood glucose of 6.5 mmol/L. According to diagnostic criteria, this value indicates:

Accepted Answer

Impaired fasting glucose (pre-diabetes)

Question 3

Which of the following is a major complication of chronic diabetes mellitus due to disrupted homeostasis?

Accepted Answer

Vascular disease affecting multiple organ systems

Question 4

Type 1 diabetes is primarily caused by:

Accepted Answer

Autoimmune destruction of pancreatic beta cells

Question 5

During an oral glucose tolerance test (OGTT), a blood glucose level of $$\u003e11$$ mmol/L after 2 hours is diagnostic for:

Accepted Answer

Diabetes mellitus

Question 6

Which of the following symptoms is most directly related to the osmotic effects of hyperglycemia in diabetes mellitus?

Accepted Answer

Increased thirst (polydipsia)

Question 7

A patient with diabetes insipidus will most likely present with which of the following laboratory findings?

Accepted Answer

High urine output with dilute urine

Question 8

Which population group in the United States has the highest prevalence of diabetes according to the provided data?

Accepted Answer

American Indian adults in Arizona

Question 9

Which of the following best explains why diabetes mellitus is considered a 'health care tsunami'?

Accepted Answer

Its increasing prevalence and high cost to health care systems

Question 10

Which of the following equations correctly represents the general formula for carbohydrates?

Accepted Answer

$$C_n(H_2O)_n$$

Question 11

A person with impaired glucose tolerance will have a 2-hour OGTT blood glucose value in which range?

Accepted Answer

$$7$$ mmol/L $$\u003c 	ext{BG} \u003c 11$$ mmol/L

Question 12

Which of the following is NOT a direct effect of chronic hyperglycemia in diabetes mellitus?

Accepted Answer

Enhanced insulin sensitivity

Question 13

Which of the following statements about homeostasis is most accurate?

Accepted Answer

Homeostasis is the maintenance of a stable internal environment despite external changes

Question 14

Which of the following is a distinguishing feature between diabetes mellitus and diabetes insipidus?

Accepted Answer

Diabetes mellitus involves hyperglycemia, while diabetes insipidus does not

Question 15

Which of the following is the most likely reason for increased plasma volume loss in diabetes mellitus?

Accepted Answer

Osmotic diuresis due to elevated blood glucose

Question 16

Which of the following is a correct statement about the composition of proteins?

Accepted Answer

Proteins are polymers of amino acids linked by peptide bonds

Question 17

A patient with type 2 diabetes is most likely to have which of the following pathophysiological features?

Accepted Answer

Insulin resistance in target tissues

Question 18

Which of the following best describes the role of water in human physiology?

Accepted Answer

Water bathes all cells and is essential for ion transport, survival, and adaptation

Question 19

Which of the following is a correct definition of homeostasis?

Accepted Answer

The process by which the body maintains a stable internal environment

Question 20

Which of the following is a plausible consequence of failing to maintain homeostasis in blood glucose regulation?

Accepted Answer

Development of diabetes mellitus and its complications

Homeostasis and Diabetes Mellitus: Anatomy & Physiology Study Notes

Study Guide - Practice Questions