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Practice Questions

A patient with severe iron deficiency anemia is unable to transport sufficient oxygen in their blood. Iron is a crucial component of which protein in red blood cells?

A. Myoglobin
B. Hemoglobin ✓
C. Albumin
D. Immunoglobulin
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Jun 6, 2026

A student is confused about the difference between monosaccharides and disaccharides. An example of a disaccharide, formed from two monosaccharides, is:

A. Glucose
B. Fructose
C. Galactose
D. Sucrose (table sugar) ✓
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nmdcat.online Bio chemistry for nurses
Jun 6, 2026

A metabolic pathway that involves the breakdown of fatty acids into acetyl-CoA, which can then enter the Krebs Cycle, is called:

A. Glycolysis
B. Beta-oxidation ✓
C. Lipogenesis
D. Gluconeogenesis
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nmdcat.online Bio chemistry for nurses
Jun 6, 2026

A nucleic acid that acts as a temporary copy of a gene and carries genetic information from DNA to the ribosome for protein synthesis is:

A. tRNA
B. rRNA
C. mRNA ✓
D. DNA
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nmdcat.online Bio chemistry for nurses
Jun 6, 2026

The optimal pH for most human enzymes is approximately:

A. 2
B. 7.4 ✓
C. 9
D. 12
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nmdcat.online Bio chemistry for nurses
Jun 6, 2026

A patient with a protein deficiency exhibits poor wound healing and weakened immune response. This highlights the diverse functions of proteins, including their role as:

A. Energy storage molecules
B. Genetic information carriers
C. Structural components and enzymes ✓
D. Primary components of cell membranes
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nmdcat.online Bio chemistry for nurses
Jun 6, 2026

A cell requires a large amount of ATP and has numerous cristae in its mitochondria. This indicates high activity in which metabolic pathway?

A. Glycolysis
B. Electron Transport Chain and Oxidative Phosphorylation ✓
C. Pentose Phosphate Pathway
D. Fatty acid synthesis
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nmdcat.online Bio chemistry for nurses
Jun 6, 2026

A lipid derived from cholesterol that is involved in emulsifying dietary fats in the small intestine is:

A. Triglyceride
B. Phospholipid
C. Bile acid ✓
D. Prostaglandin
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nmdcat.online Bio chemistry for nurses
Jun 6, 2026

The process by which the genetic information encoded in mRNA is used to synthesize a protein is called:

A. Replication
B. Transcription
C. Translation ✓
D. Reverse transcription
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nmdcat.online Bio chemistry for nurses
Jun 6, 2026

A patient has a diet rich in carbohydrates. Excess glucose not immediately used for energy can be stored in the liver and muscles as:

A. Fructose
B. Sucrose
C. Glycogen ✓
D. Starch
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nmdcat.online Bio chemistry for nurses
Jun 6, 2026
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