Podcast
Questions and Answers
What is the main mechanism by which the tetanus toxin leads to muscle contraction and spasm?
What is the main mechanism by which the tetanus toxin leads to muscle contraction and spasm?
- Interference with neurotransmitter release (correct)
- Enhancement of neurotransmitter release
- Direct muscle stimulation
- Neuromuscular junction blockage
Which form of tetanus is the most common among the four clinical forms mentioned?
Which form of tetanus is the most common among the four clinical forms mentioned?
- Generalized tetanus (correct)
- Cephalic tetanus
- Local tetanus
- Neonatal tetanus
In neonatal tetanus, when do symptoms usually start to appear?
In neonatal tetanus, when do symptoms usually start to appear?
- 1 month after birth
- At birth
- 4-14 days after birth (correct)
- 21 days after birth
What is the relationship between the incubation period and the distance of the injury site from the central nervous system?
What is the relationship between the incubation period and the distance of the injury site from the central nervous system?
Which form of localized tetanus is associated with wounds to the head or face or chronic otitis media?
Which form of localized tetanus is associated with wounds to the head or face or chronic otitis media?
What distinguishes cephalic tetanus from other forms of localized tetanus?
What distinguishes cephalic tetanus from other forms of localized tetanus?
What is the primary cause of the high fatality rate in neonatal tetanus?
What is the primary cause of the high fatality rate in neonatal tetanus?
Which of the following is NOT a common complication of tetanus?
Which of the following is NOT a common complication of tetanus?
Which of the following is the primary mode of transmission of tetanus?
Which of the following is the primary mode of transmission of tetanus?
Which of the following is NOT a common occurrence in patients with tetanus?
Which of the following is NOT a common occurrence in patients with tetanus?
Which of the following is a common problem in patients with tetanus, especially in drug users and elderly patients?
Which of the following is a common problem in patients with tetanus, especially in drug users and elderly patients?
Which muscle group is typically affected first in generalized tetanus?
Which muscle group is typically affected first in generalized tetanus?
Which of the following is the most common late complication of tetanus?
Which of the following is the most common late complication of tetanus?
What is the term for the grimace through clenched teeth and closed mouth with wrinkled forehead and raised eyebrows in tetanus patients?
What is the term for the grimace through clenched teeth and closed mouth with wrinkled forehead and raised eyebrows in tetanus patients?
What internal stimulus can trigger tetanospasms in patients with generalized tetanus?
What internal stimulus can trigger tetanospasms in patients with generalized tetanus?
What are the autonomic nervous system abnormalities associated with generalized tetanus?
What are the autonomic nervous system abnormalities associated with generalized tetanus?
What is the most common cause of neonatal tetanus?
What is the most common cause of neonatal tetanus?
What are the initial symptoms of neonatal tetanus?
What are the initial symptoms of neonatal tetanus?
Which part of the tetanus toxin is responsible for the biological activity?
Which part of the tetanus toxin is responsible for the biological activity?
How does the tetanus toxin enter the cytoplasm of the neuron?
How does the tetanus toxin enter the cytoplasm of the neuron?
Which protein component of synaptic vesicles is cleaved by the tetanus toxin?
Which protein component of synaptic vesicles is cleaved by the tetanus toxin?
What is the consequence of the disinhibition of spinal cord reflex arcs caused by the tetanus toxin?
What is the consequence of the disinhibition of spinal cord reflex arcs caused by the tetanus toxin?
What is the effect of the tetanus toxin on the presynaptic acetylcholine release at the neuromuscular junction?
What is the effect of the tetanus toxin on the presynaptic acetylcholine release at the neuromuscular junction?
How is the tetanus toxin transported within the neuron?
How is the tetanus toxin transported within the neuron?
What percentage of tetanus cases in developed countries occur in patients over the age of 60?
What percentage of tetanus cases in developed countries occur in patients over the age of 60?
Which of the following is NOT a common portal of entry for tetanus infections?
Which of the following is NOT a common portal of entry for tetanus infections?
Which of the following is a key indicator that waning immunity is an important risk factor for tetanus?
Which of the following is a key indicator that waning immunity is an important risk factor for tetanus?
Which of the following is NOT a potential source of tetanus infection?
Which of the following is NOT a potential source of tetanus infection?
What percentage of tetanus cases have acute wounds as the portal of entry?
What percentage of tetanus cases have acute wounds as the portal of entry?
