Podcast
Questions and Answers
How do incubators measure and control CO2 levels?
How do incubators measure and control CO2 levels?
- Via infrared sensors or thermal conductivity (correct)
- By analyzing hydrogen levels
- By measuring oxygen levels
- Through gravimetric sensors
What is required for the thermal conductivity method to give an accurate CO2 reading in incubator chambers?
What is required for the thermal conductivity method to give an accurate CO2 reading in incubator chambers?
- High airflow
- No humidity control needed
- Fully humidified chambers (correct)
- Low humidity levels
How does atmospheric pressure affect the partial pressure of CO2?
How does atmospheric pressure affect the partial pressure of CO2?
- Decreases the partial pressure of CO2 (correct)
- Has no effect on the partial pressure of CO2
- Increases the partial pressure of CO2
- Converts CO2 into oxygen
What happens to the molar concentration of CO2 as we rise above sea level?
What happens to the molar concentration of CO2 as we rise above sea level?
Which medium used for human embryo culture had its pH raised to 7.5-7.6 with bicarbonate?
Which medium used for human embryo culture had its pH raised to 7.5-7.6 with bicarbonate?
Which culture media was known as BWW IVF pioneers suggested that Earle's medium could be used for the entire process of IVF?
Which culture media was known as BWW IVF pioneers suggested that Earle's medium could be used for the entire process of IVF?
What is the effect of a drop in temperature on the solubility of CO2 in culture media?
What is the effect of a drop in temperature on the solubility of CO2 in culture media?
What is the relationship between CO2 concentration and pH in culture media?
What is the relationship between CO2 concentration and pH in culture media?
How does the addition of hydrogen ions affect the pH of a solution?
How does the addition of hydrogen ions affect the pH of a solution?
Why is measuring pH preferred over measuring CO2 in incubators?
Why is measuring pH preferred over measuring CO2 in incubators?
What is the defining property of a buffered solution?
What is the defining property of a buffered solution?
Why does CO2 depress the pH of culture media during equilibration?
Why does CO2 depress the pH of culture media during equilibration?
Why is Quinn's human tubal fluid (HTF) considered an advancement in embryo culture media?
Why is Quinn's human tubal fluid (HTF) considered an advancement in embryo culture media?
Which factor contributed to reduced high multiple pregnancy rates in the mid-90s during human embryo culture?
Which factor contributed to reduced high multiple pregnancy rates in the mid-90s during human embryo culture?
How does a low oxygen environment benefit human embryo culture?
How does a low oxygen environment benefit human embryo culture?
What is the preferred energy substrate for human embryo culture?
What is the preferred energy substrate for human embryo culture?
Why is there a lack of widespread agreement on simple versus complex media for human embryo culture?
Why is there a lack of widespread agreement on simple versus complex media for human embryo culture?
How can embryos be easily cultured in a low oxygen environment?
How can embryos be easily cultured in a low oxygen environment?