HESI A2 Anatomy & Physiology 2026 | Most Tested Questions & Answers | Verified
A+ Study Guide
(A) CELL, TISSUE & BASICS
1. *Q: What is the powerhouse of the cell?*
A: Mitochondria - produces ATP.
2. *Q: Where does protein synthesis occur?*
A: Ribosomes / Rough Endoplasmic Reticulum.
3. *Q: What tissue type covers body surfaces and line cavities?*
A: Epithelial tissue.
, 4. *Q: What are the 4 main tissue types?*
A: Epithelial, Connective, Muscle, Nervous.
5. *Q: What is homeostasis?*
A: Maintaining a stable internal environment.
(B) SKELETAL SYSTEM
6. *Q: How many bones are in an adult human body?*
A: 206.
7. *Q: What cells build bone? What cells break down bone?*
A: Osteoblasts build, osteoclasts break down.
8. *Q: What is the longest bone in the body?*
A: Femur.
A+ Study Guide
(A) CELL, TISSUE & BASICS
1. *Q: What is the powerhouse of the cell?*
A: Mitochondria - produces ATP.
2. *Q: Where does protein synthesis occur?*
A: Ribosomes / Rough Endoplasmic Reticulum.
3. *Q: What tissue type covers body surfaces and line cavities?*
A: Epithelial tissue.
, 4. *Q: What are the 4 main tissue types?*
A: Epithelial, Connective, Muscle, Nervous.
5. *Q: What is homeostasis?*
A: Maintaining a stable internal environment.
(B) SKELETAL SYSTEM
6. *Q: How many bones are in an adult human body?*
A: 206.
7. *Q: What cells build bone? What cells break down bone?*
A: Osteoblasts build, osteoclasts break down.
8. *Q: What is the longest bone in the body?*
A: Femur.
