APHY 101 Midterm Exam Practice – 185
Original Questions & Correct Answers
1. Which level of structural organization is formed by
groups of similar cells performing a common function?
Answer: Tissue level
2. The diaphragm separates which two major body
cavities?
Answer: Thoracic and abdominopelvic cavities
3. Negative feedback mechanisms work to:
Answer: Reverse deviations from the normal range to maintain homeostasis.
4. The wrist is ______ to the elbow.
Answer: Distal
,5. Which element is the most abundant in the human
body by mass?
Answer: Oxygen
6. The atomic number of an atom represents the number
of:
Answer: Protons
7. A solution with a pH of 3 is:
Answer: Strongly acidic
8. Enzymes speed up chemical reactions by:
Answer: Lowering the activation energy
9. The organelle primarily responsible for ATP production
is the:
Answer: Mitochondrion
10. Which cellular structure is composed of
phospholipids arranged in a bilayer?
Answer: Plasma membrane
, 11. Diffusion is the movement of particles from:
Answer: High concentration to low concentration
12. Osmosis specifically refers to the movement of:
Answer: Water across a selectively permeable membrane
13. Which type of tissue lines body cavities and covers
body surfaces?
Answer: Epithelial tissue
14. The primary function of adipose tissue is:
Answer: Energy storage and insulation
15. Cartilage heals slowly because it:
Answer: Lacks direct blood supply
16. The skin layer containing blood vessels, nerves, and
hair follicles is the:
Answer: Dermis
17. Melanin is produced by which cells?
Original Questions & Correct Answers
1. Which level of structural organization is formed by
groups of similar cells performing a common function?
Answer: Tissue level
2. The diaphragm separates which two major body
cavities?
Answer: Thoracic and abdominopelvic cavities
3. Negative feedback mechanisms work to:
Answer: Reverse deviations from the normal range to maintain homeostasis.
4. The wrist is ______ to the elbow.
Answer: Distal
,5. Which element is the most abundant in the human
body by mass?
Answer: Oxygen
6. The atomic number of an atom represents the number
of:
Answer: Protons
7. A solution with a pH of 3 is:
Answer: Strongly acidic
8. Enzymes speed up chemical reactions by:
Answer: Lowering the activation energy
9. The organelle primarily responsible for ATP production
is the:
Answer: Mitochondrion
10. Which cellular structure is composed of
phospholipids arranged in a bilayer?
Answer: Plasma membrane
, 11. Diffusion is the movement of particles from:
Answer: High concentration to low concentration
12. Osmosis specifically refers to the movement of:
Answer: Water across a selectively permeable membrane
13. Which type of tissue lines body cavities and covers
body surfaces?
Answer: Epithelial tissue
14. The primary function of adipose tissue is:
Answer: Energy storage and insulation
15. Cartilage heals slowly because it:
Answer: Lacks direct blood supply
16. The skin layer containing blood vessels, nerves, and
hair follicles is the:
Answer: Dermis
17. Melanin is produced by which cells?
