Physiology,
13th Edition by Cinnamon VanPutte, Andrew Russo || Complete Chapters Test Bank with Verified Answers || Updated Edition ||
Chapter 1–2: Basic Concepts + Chemistry of Life
1. The primary function of the cell membrane is to:
A. Store genetic material
B. Control entry and exit of substances
C. Produce ATP
D. Synthesize proteins
,Answer: B
Rationale: The plasma membrane regulates what enters and leaves the cell, maintaining
homeostasis.
2. Which of the following best describes anatomy?
A. Study of body functions
B. Study of body structure
C. Study of disease
D. Study of tissues only
Answer: B
Rationale: Anatomy focuses on structure, while physiology focuses on function.
3. Which type of bond involves sharing electrons?
A. Ionic bond
B. Hydrogen bond
C. Covalent bond
D. Polar attraction
Answer: C
Rationale: Covalent bonds form when atoms share electrons.
4. Water is considered a polar molecule because:
A. It has no charge
B. It has equal distribution of electrons
C. It has partial positive and negative charges
D. It cannot dissolve substances
Answer: C
Rationale: Oxygen is more electronegative, creating partial charges.
5. The smallest functional unit of life is the:
A. Tissue
B. Organ
, C. Cell
D. Organ system
Answer: C
Rationale: Cells are the basic structural and functional units of all living organisms.
6. Which organelle modifies and packages proteins?
A. Ribosome
B. Mitochondria
C. Golgi apparatus
D. Lysosome
Answer: C
Rationale: The Golgi apparatus processes and packages proteins for transport.
7. Passive transport requires:
A. ATP energy
B. No energy input
C. DNA
D. Ribosomes
Answer: B
Rationale: Passive transport moves substances down a concentration gradient without energy.
8. The main function of ribosomes is:
A. Lipid storage
B. Protein synthesis
C. ATP production
D. Waste removal
Answer: B
Rationale: Ribosomes build proteins from amino acids.
9. Homeostasis is maintained primarily by: