Podcast
Questions and Answers
Which ion is primarily responsible for the positive charge outside of a neuron at rest?
Which ion is primarily responsible for the positive charge outside of a neuron at rest?
- Sodium (Na+) (correct)
- Potassium (K+)
- Proteins (A-)
- Chloride (Cl-)
What is the approximate membrane potential of a neuron at rest?
What is the approximate membrane potential of a neuron at rest?
- -70 mV (correct)
- -40 mV
- -50 mV
- -60 mV
What is the main fuel source for the Sodium-Potassium pump?
What is the main fuel source for the Sodium-Potassium pump?
- Proteins (A-)
- Sodium (Na+)
- Chloride (Cl-)
- ATP (correct)
What is the threshold voltage for an action potential to occur?
What is the threshold voltage for an action potential to occur?
What happens to the voltage dependent Na+ channels during depolarization?
What happens to the voltage dependent Na+ channels during depolarization?
What happens to the voltage dependent K+ channels during repolarization?
What happens to the voltage dependent K+ channels during repolarization?
Which part of the neuron receives information from other neurons?
Which part of the neuron receives information from other neurons?
What is the main function of the axon?
What is the main function of the axon?
What is the direction of axoplasmic transport from the soma to the terminal buttons?
What is the direction of axoplasmic transport from the soma to the terminal buttons?
What attaches to the 'to be transported' anterograde item and moves it down the microtubules?
What attaches to the 'to be transported' anterograde item and moves it down the microtubules?
What is the function of the neuron membrane?
What is the function of the neuron membrane?
What is inserted into the neuron membrane?
What is inserted into the neuron membrane?
Which plant was used by Aztec physicians in Central America to treat toothaches?
Which plant was used by Aztec physicians in Central America to treat toothaches?
Opium is derived from the latex in the husk of which flower?
Opium is derived from the latex in the husk of which flower?
Which drug was widely used in ancient history and was first cultivated by Sumerians in 3400 BC?
Which drug was widely used in ancient history and was first cultivated by Sumerians in 3400 BC?
Who made the mixture of wine and cocaine called 'Vin Mariani' that was adored by elites?
Who made the mixture of wine and cocaine called 'Vin Mariani' that was adored by elites?
Which substance was removed from 'Vin Mariani' and Coca-Cola in the early 20th century due to health issues?
Which substance was removed from 'Vin Mariani' and Coca-Cola in the early 20th century due to health issues?
Cannabis is believed to have been used in ancient Central and South Asia for thousands of years. In a 2,700-year-old grave in western China, how many grams of cannabis was found?
Cannabis is believed to have been used in ancient Central and South Asia for thousands of years. In a 2,700-year-old grave in western China, how many grams of cannabis was found?
Which cells produce the myelin sheath in the central nervous system (CNS)?
Which cells produce the myelin sheath in the central nervous system (CNS)?
Where is the only place where ions can be exchanged in a myelinated neuron?
Where is the only place where ions can be exchanged in a myelinated neuron?
What is the process called when the action potential jumps from one Node of Ranvier to another in a myelinated neuron?
What is the process called when the action potential jumps from one Node of Ranvier to another in a myelinated neuron?
What is the primary function of the action potential?
What is the primary function of the action potential?
What happens when the action potential hits the terminal button of a neuron?
What happens when the action potential hits the terminal button of a neuron?
What is the purpose of the synaptic vesicles in the terminal button of a neuron?
What is the purpose of the synaptic vesicles in the terminal button of a neuron?
Which of the following is NOT a primary cannabis species?
Which of the following is NOT a primary cannabis species?
What is the psychoactive cannabinoid found in marijuana?
What is the psychoactive cannabinoid found in marijuana?
Which chemical class is NOT found in cannabis plants?
Which chemical class is NOT found in cannabis plants?
Who advocated for cannabis use in migraine in the early 19th century?
Who advocated for cannabis use in migraine in the early 19th century?
Which factor derailed the medicinal use of cannabis in the United States?
Which factor derailed the medicinal use of cannabis in the United States?
Which government agency approved synthetic versions of Δ9-THC for medicinal purposes?
Which government agency approved synthetic versions of Δ9-THC for medicinal purposes?
What is the function of the dendrites in a neuron?
What is the function of the dendrites in a neuron?
What is the purpose of the soma in a neuron?
What is the purpose of the soma in a neuron?
What is the role of the axon in a neuron?
What is the role of the axon in a neuron?
What is the process called that moves proteins and other matter along microtubule tracks in a neuron?
What is the process called that moves proteins and other matter along microtubule tracks in a neuron?
What attaches to the 'to be transported' retrograde item and moves it up the microtubules?
What attaches to the 'to be transported' retrograde item and moves it up the microtubules?
What is the primary component of the neuron membrane?
What is the primary component of the neuron membrane?
What is the typical membrane potential of a neuron at rest?
What is the typical membrane potential of a neuron at rest?
What are the key ions involved in the membrane potential of a neuron at rest?
What are the key ions involved in the membrane potential of a neuron at rest?
What is the primary reason for the negative charge inside the neuron at rest?
What is the primary reason for the negative charge inside the neuron at rest?
What is the function of the sodium-potassium pump?
What is the function of the sodium-potassium pump?
What are the two forces that surround a neuron?
What are the two forces that surround a neuron?
What is the threshold voltage for an action potential to occur?
What is the threshold voltage for an action potential to occur?
What are the three primary cannabis species?
What are the three primary cannabis species?
What is the psychoactive cannabinoid found in marijuana?
What is the psychoactive cannabinoid found in marijuana?
What is the non-psychoactive cannabinoid found in marijuana?
What is the non-psychoactive cannabinoid found in marijuana?
How many distinct compounds are found in the leaves and flowering tops of cannabis plants?
How many distinct compounds are found in the leaves and flowering tops of cannabis plants?
Who grew cannabis on his plantation for about 30 years?
Who grew cannabis on his plantation for about 30 years?
What did George Washington cultivate cannabis for?
What did George Washington cultivate cannabis for?
What was the main ingredient of opium called?
What was the main ingredient of opium called?
Who developed a method for refining the active ingredients of coca leaves?
Who developed a method for refining the active ingredients of coca leaves?
What was the birth of Coca-Cola originally called?
What was the birth of Coca-Cola originally called?
Who replaced alcohol with soda water in the French Coca Wine?
Who replaced alcohol with soda water in the French Coca Wine?
What substance was removed from both 'Vin Mariani' and Coca-Cola due to health issues?
What substance was removed from both 'Vin Mariani' and Coca-Cola due to health issues?
Who said the quote: 'Why with the time do I not glance aside To new-found methods, and to compounds strange. Why write I still all one, ever the same, And keep invention in a noted weed...'
Who said the quote: 'Why with the time do I not glance aside To new-found methods, and to compounds strange. Why write I still all one, ever the same, And keep invention in a noted weed...'
What is the purpose of the myelin sheath?
What is the purpose of the myelin sheath?
What is the significance of the Nodes of Ranvier?
What is the significance of the Nodes of Ranvier?
What is the function of neurotransmitters in the synaptic cleft?
What is the function of neurotransmitters in the synaptic cleft?
What happens when the action potential reaches the terminal button?
What happens when the action potential reaches the terminal button?
What is the role of drugs in ancient medicine?
What is the role of drugs in ancient medicine?
What is the main function of a neuron?
What is the main function of a neuron?
