NUR 170/ NUR170 Exam 3 – Concepts of
Medical- Surgical Nursing | Galen (Latest
2026/ 2027 Updates STUDY BUNDLE
PACKAGE WITH COMPLETE SOLUTIONS)
100% Verified Questions & Answers |
Grade A
---
# 📚 NUR 170 / NUR170 EXAM 3 STUDY GUIDE
## Concepts of Medical-Surgical Nursing | Galen College
### Latest 2026/2027 Updates | Verified Q&A | Grade A
## 📘 PART 1: METABOLISM – DIABETES MELLITUS
This is the **largest section** of Exam 3. Focus on the differences between Type 1 and Type 2, insulin
types, complications, and patient teaching .
### Core Concepts & Definitions
**Q1: What is diabetes mellitus?**
- **A:** A disorder of carbohydrate metabolism where glucose cannot get into the cell .
, **Q2: What secretes insulin?**
- **A:** Beta cells of the pancreas .
**Q3: What are the classic signs/symptoms of diabetes (The "Three P's")?**
- **A:** Polyuria (frequent urination), polydipsia (excessive thirst), polyphagia (excessive hunger),
unintentional weight loss, blurry vision, paresthesias (neuropathy), and frequent yeast infections .
**Q4: What is acanthosis nigricans?**
- **A:** Darkening of skin folds (neck, armpits, groin); a sign of **Type 2 diabetes** .
### Type 1 vs. Type 2 Diabetes
| **Feature** | **Type 1 Diabetes** | **Type 2 Diabetes** |
|-------------|---------------------|---------------------|
| **Pathophysiology** | Autoimmune destruction of beta cells → no insulin produced | Cells are
resistant to insulin → insulin produced but ineffective |
| **Age of Onset** | Usually children or adults under 30 | Usually adults over 40 (increasing in younger
due to obesity) |
| **Body Type** | Often normal weight or thin | Often overweight or obese |
| **Insulin Requirement** | Always requires exogenous insulin | May be managed with diet, exercise,
oral meds, +/- insulin |
| **Emergency Presentation** | May present with **DKA** (Diabetic Ketoacidosis) | May present with
**HHS** (Hyperglycemic Hyperosmolar State) |
| **Genetic Link** | Strong genetic link | Strong genetic link; risk factors include obesity, gestational
diabetes, HTN |
**Q5: What are the signs/symptoms of severe hyperglycemia?**
Medical- Surgical Nursing | Galen (Latest
2026/ 2027 Updates STUDY BUNDLE
PACKAGE WITH COMPLETE SOLUTIONS)
100% Verified Questions & Answers |
Grade A
---
# 📚 NUR 170 / NUR170 EXAM 3 STUDY GUIDE
## Concepts of Medical-Surgical Nursing | Galen College
### Latest 2026/2027 Updates | Verified Q&A | Grade A
## 📘 PART 1: METABOLISM – DIABETES MELLITUS
This is the **largest section** of Exam 3. Focus on the differences between Type 1 and Type 2, insulin
types, complications, and patient teaching .
### Core Concepts & Definitions
**Q1: What is diabetes mellitus?**
- **A:** A disorder of carbohydrate metabolism where glucose cannot get into the cell .
, **Q2: What secretes insulin?**
- **A:** Beta cells of the pancreas .
**Q3: What are the classic signs/symptoms of diabetes (The "Three P's")?**
- **A:** Polyuria (frequent urination), polydipsia (excessive thirst), polyphagia (excessive hunger),
unintentional weight loss, blurry vision, paresthesias (neuropathy), and frequent yeast infections .
**Q4: What is acanthosis nigricans?**
- **A:** Darkening of skin folds (neck, armpits, groin); a sign of **Type 2 diabetes** .
### Type 1 vs. Type 2 Diabetes
| **Feature** | **Type 1 Diabetes** | **Type 2 Diabetes** |
|-------------|---------------------|---------------------|
| **Pathophysiology** | Autoimmune destruction of beta cells → no insulin produced | Cells are
resistant to insulin → insulin produced but ineffective |
| **Age of Onset** | Usually children or adults under 30 | Usually adults over 40 (increasing in younger
due to obesity) |
| **Body Type** | Often normal weight or thin | Often overweight or obese |
| **Insulin Requirement** | Always requires exogenous insulin | May be managed with diet, exercise,
oral meds, +/- insulin |
| **Emergency Presentation** | May present with **DKA** (Diabetic Ketoacidosis) | May present with
**HHS** (Hyperglycemic Hyperosmolar State) |
| **Genetic Link** | Strong genetic link | Strong genetic link; risk factors include obesity, gestational
diabetes, HTN |
**Q5: What are the signs/symptoms of severe hyperglycemia?**
