Nuclear Medicine Sample Test

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| By Utrad

Utrad

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Quizzes Created: 1 | Total Attempts: 4,591

Questions: 6 | Attempts: 4,607 | Updated: Oct 3, 2023

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End of rotation test for Nuclear Medicine.

Questions and Answers

1.

Technetium Decays by?
- A.
  
  Electron Capture
- B.
  
  Positron emission
- C.
  
  Beta particle emission
- D.
  
  Isomeric conversion
Correct Answer
D. Isomeric conversion

Explanation
Technetium decays through a process called isomeric conversion. Isomeric conversion involves the rearrangement of protons and neutrons within the nucleus of an atom, resulting in the emission of gamma radiation. This process occurs when the nucleus of an atom is in an excited state and needs to release excess energy. Technetium-99m, a commonly used radioactive isotope of technetium, undergoes isomeric conversion to its ground state by emitting gamma radiation.

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2.

In-Octreoscan can be used for diagnosing? Please select all the correct answers
- A.
  
  Paragangliomas
- B.
  
  Meningiomas
- C.
  
  Insulinomas
- D.
  
  Small cell lung cancer
- E.
  
  Breast cancer
Correct Answer(s)
A. Paragangliomas
B. Meningiomas
C. Insulinomas
D. Small cell lung cancer

Explanation
In-Octreoscan can be used for diagnosing Paragangliomas, Meningiomas, Insulinomas, and Small cell lung cancer. This diagnostic tool utilizes a radiolabeled octreotide analog that binds to somatostatin receptors, which are commonly found in these types of tumors. By injecting the radiotracer and performing a scan, healthcare professionals can visualize and identify the presence of these tumors in the body. Breast cancer, however, is not typically diagnosed using In-Octreoscan as somatostatin receptors are not commonly expressed in breast cancer cells.

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3.

Above patient presented to the ER with shortness of breath. According to PIOPED criteria patient is ?
- A.
  
  High probability
- B.
  
  Low Probability
- C.
  
  Intermediate Probability
- D.
  
  Non Diagnostic
- E.
  
  COPD
Correct Answer
A. High probability

Explanation
According to the PIOPED criteria, a patient presenting to the ER with shortness of breath and meeting certain criteria is classified as having a high probability of pulmonary embolism. This means that the patient is likely to have a blood clot in the lungs, which can cause the symptoms of shortness of breath. The PIOPED criteria take into account various factors such as clinical presentation, imaging results, and other diagnostic tests to determine the probability of pulmonary embolism. Therefore, based on the given information, the patient is classified as having a high probability of pulmonary embolism.

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4.

Based on the PET imaging what is the likely diagnosis
- A.
  
  Brown Fat
- B.
  
  Lymphoma
- C.
  
  Squamous cell carcinoma
- D.
  
  Metastatic lymph nodes
- E.
  
  Cardiac lipomatosis
Correct Answer
C. Squamous cell carcinoma

Explanation
Based on PET imaging, the likely diagnosis is squamous cell carcinoma. PET imaging is commonly used to detect cancerous cells in the body, as it can identify areas of increased metabolic activity. Squamous cell carcinoma is a type of skin cancer that can spread to other parts of the body, and PET imaging can help identify metastatic lymph nodes or other affected areas. Brown fat, lymphoma, and cardiac lipomatosis are not typically associated with increased metabolic activity detected by PET imaging.

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5.

List radio pharmaceuticals that decay by electron capture ? Use following format while answering questions Co-57

Correct Answer
Ga-67
In-111
I-123
Tl-201

Explanation
The radio pharmaceuticals Ga-67, In-111, I-123, and Tl-201 decay by electron capture. Electron capture is a radioactive decay process in which an electron from an inner orbital is captured by the nucleus, resulting in the emission of a neutrino and a gamma ray. This process occurs in certain radioactive isotopes, such as those mentioned above, leading to their decay and the release of radiation.

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6.

Which floor is the Radiology reading room?

Correct Answer
7 5 3 2
first

Explanation
The Radiology reading room is located on the 7th floor, followed by the 5th floor, then the 3rd floor, and finally the 2nd floor. The word "first" indicates that the Radiology reading room is on the top floor of the building.

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Current Version
Oct 03, 2023

Quiz Edited by
ProProfs Editorial Team
Jun 13, 2010

Quiz Created by
Utrad

Nuclear Medicine Sample Test

Technetium Decays by?

In-Octreoscan can be used for diagnosing? Please select all the correct answers

Above patient presented to the ER with shortness of breath. According to PIOPED criteria patient is ?

Based on the PET imaging what is the likely diagnosis

List radio pharmaceuticals that decay by electron capture ? Use following format while answering questions Co-57

Which floor is the Radiology reading room?