Which of the following would probably be caused by defective lysosomes?
the cell would not be able to undergo mitosis
the cell would become filled up with junk and die
the cell would not be able to detoxify alcohol and would die
the cell would not be able to move and would die
the cell would not be able to produce energy and would die
The Correct Answer is B
A. the cell would not be able to undergo mitosis: Lysosomes are not required for mitosis. That’s handled by microtubules and centrosomes.
B. the cell would become filled up with junk and die: Lysosomes contain digestive enzymes to break down waste. If defective, cellular debris accumulates, which can lead to cell death (as in lysosomal storage diseases).
C. the cell would not be able to detoxify alcohol and would die: Peroxisomes, not lysosomes, detoxify alcohol.
D. the cell would not be able to move and would die: Cell movement involves cytoskeleton elements like actin and microtubules, not lysosomes.
E. the cell would not be able to produce energy and would die: Mitochondria, not lysosomes, produce cellular energy (ATP).
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A. Cardiovascular:
Transports blood, but does not directly sense/respond to environmental changes.
B. Lymphatic:
Supports immune function and fluid balance, but not primarily responsible for homeostasis.
C. Endocrine:
Regulates hormones and maintains long-term homeostasis such as temperature, fluid balance, and glucose levels.
D. Respiratory:
Involved in gas exchange, but homeostasis is a secondary role.
E. Urinary:
Eliminates waste and regulates volume, but is a response mechanism rather than a regulatory system.
Correct Answer is D
Explanation
A. monosaccharides: Monosaccharides are the building blocks of carbohydrates, not lipids.
B. a glycerol plus three glycogen chains: Glycogen is a polysaccharide, not a component of triglycerides.
C. a glycerol plus three amino acid chains: Amino acids form proteins, not triglycerides.
D. a glycerol plus three fatty acid chains: A triglyceride is made of one glycerol molecule and three fatty acids-this is the primary structure of fats.
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