10 Questions
Which of the following statements is true about the chemical structure of CTP and dTDP?
They both contain the same sugar
What is a common feature of the chemical bonds in CTP and dTDP?
They both contain a phosphodiester bond
What is a characteristic of the sugar molecule in CTP and dTDP?
It is a planar, six-membered ring
What can be said about the charge of CTP and dTDP at cellular pH?
They both have the same charge
What is not a characteristic of the structure of CTP and dTDP?
They both contain a sulfhydryl group
Can a patient with a copper IUD undergo a chest MRI?
No
What is a consideration for a patient with a copper IUD undergoing an MRI?
The type of IUD material
Why might a copper IUD be a concern for a chest MRI?
It could heat up during the exam
What should be done with a patient who has a copper IUD and needs a chest MRI?
Cancel the MRI examination
What is the primary risk associated with a copper IUD during an MRI?
Heating of the IUD
Study Notes
Properties of CTP and dTDP
- CTP and dTDP share the property of containing a phosphodiester bond.
- They do not share the same sugar.
- They do not contain a planar six-membered ring.
- They do not contain a phosphodihydride bond.
- They do not share the same charge at cellular pH.
MRI Examination with Copper IUD
- A patient with a copper intrauterine device (IUD) is scheduled for a chest MRI.
- The safety of performing an MRI on a patient with a copper IUD depends on the field strength.
- There are specific restrictions on performing an MRI on a patient with a copper IUD.
- The correct field strength for performing an MRI on a patient with a copper IUD is 1.5T.
- MRI examination at 1.5T is considered safe for patients with a copper IUD.
- MRI examination at other field strengths (e.g., 3T) may not be safe for patients with a copper IUD.
- It is important to consider the type of IUD and its composition before performing an MRI.
This quiz question is about the properties shared by CTP and dTDP molecules. CTP (Cytidine Triphosphate) and dTDP (Deoxythymidine Diphosphate) are nucleotides with distinct properties. Which property do they share?
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