Understanding Gene Therapy
Test your knowledge on gene therapy concepts, mechanisms, and implications with this engaging quiz.
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Quiz Questions & Answers
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Question 1: Which statement best explains why gene therapy can be considered a curative approach rather than symptomatic treatment?
A. It enhances immune response temporarily
C. It increases drug efficiency in the body
B. It replaces or repairs defective genes at the molecular level
D. It reduces inflammation in affected tissues
Question 2: What is the primary reason viruses are commonly used as vectors in gene therapy?
D. They eliminate immune responses
A. They naturally destroy harmful genes
B. They can efficiently enter cells and deliver genetic material
C. They multiply faster than human cells
Question 3: Which limitation most directly affects the long-term effectiveness of some gene therapies?
A. High treatment cost
C. Loss of therapeutic gene expression over time
D. Lack of trained professionals
B. Immune system memory
Question 4: In gene editing using CRISPR, what is the most serious concern regarding 'off-target effects'?
D. Improved gene accuracy
A. Reduced treatment cost
B. Editing unintended DNA sequences
C. Faster gene replication
Question 5: Why is gene therapy particularly suitable for monogenic disorders?
A. They involve multiple gene mutations
D. They require lifestyle changes
B. They are influenced by environmental factors
C. They are caused by a single defective gene
Question 6: What is the biggest risk associated with insertional mutagenesis?
B. Activation of oncogenes leading to cancer
A. Reduced gene expression
D. Immune system suppression
C. Failure of vector delivery
Question 7: Why is gene delivery to organs like the brain especially challenging?
C. Biological barriers limit vector access
B. The brain lacks DNA
A. Brain cells divide too quickly
D. The brain rejects all treatments
Question 8: In CAR T-cell therapy, what is the main mechanism used to fight cancer?
A. Destroying DNA directly
D. Using antibiotics to kill cancer cells
B. Modifying immune cells to recognize cancer cells
C. Blocking blood flow to tumors