CORRECT ANSWER WITH EXPLANATION GRADED A+
STUDY GUIDE SOUTHERN NEW HAMPSHIRE UNIVERSITY
1. Biomedical science is the study of:
A. Human health and disease
B. Astronomy only
C. Weather systems only
D. Rock formation only
Answer: A
Rationale: Biomedical science focuses on biological processes related to medicine.
2. Cells are considered the basic units of:
A. Life
B. Energy only
C. Climate only
D. Rocks only
Answer: A
Rationale: All living organisms are composed of cells.
3. The nucleus of a cell contains:
A. Genetic material
B. Water only
C. Lipids only
D. Minerals only
Answer: A
Rationale: DNA is housed within the nucleus.
4. DNA stands for:
A. Deoxyribonucleic acid
B. Dynamic nucleic acid
C. Double nitrogen acid
D. Deoxy protein acid
Answer: A
Rationale: DNA carries hereditary information.
5. RNA differs from DNA because RNA contains:
A. Uracil
, B. Thymine
C. Adenine only
D. Cytosine only
Answer: A
Rationale: Uracil replaces thymine in RNA.
6. Proteins are made up of:
A. Amino acids
B. Fatty acids
C. Nucleotides
D. Sugars
Answer: A
Rationale: Amino acids are protein building blocks.
7. Enzymes function primarily as:
A. Biological catalysts
B. Hormones only
C. Structural lipids
D. Vitamins only
Answer: A
Rationale: Enzymes speed up chemical reactions.
8. The plasma membrane controls:
A. Movement of substances into and out of the cell
B. DNA replication only
C. Protein digestion only
D. Energy production only
Answer: A
Rationale: Selectively permeable membrane.
9. Mitochondria are known as the:
A. Powerhouses of the cell
B. Protein factories
C. Waste disposal centers
D. Genetic storage units
Answer: A
Rationale: Produce ATP through respiration.
10. Ribosomes are responsible for:
A. Protein synthesis
, B. Lipid storage
C. DNA replication only
D. Waste removal
Answer: A
Rationale: Site of translation.
11. Homeostasis refers to:
A. Maintenance of internal balance
B. Cell destruction only
C. Disease formation
D. Oxygen transport only
Answer: A
Rationale: Essential for survival.
12. The cardiovascular system transports:
A. Blood throughout the body
B. Food only
C. Nerve impulses only
D. Hormones only
Answer: A
Rationale: Circulatory system function.
13. The main function of red blood cells is to:
A. Transport oxygen
B. Fight infection
C. Produce hormones
D. Digest nutrients
Answer: A
Rationale: Hemoglobin carries oxygen.
14. Hemoglobin is found in:
A. Red blood cells
B. White blood cells
C. Platelets
D. Plasma only
Answer: A
Rationale: Oxygen-carrying protein.
15. White blood cells are important for:
A. Immune defense