The expiration of a Tc99m elution vial is _____ hrs.

Sr-82 and Sr-88 could be contaminants from an eluent of the Rb-82 generator.

Tc99m MAA particle size should be between 7-90 um in size

A patient taking ________ can cause altered biodistribution of In111 WBC’s.

The critical organ when performing a GI bleed study with Tc99m tagged RBC’s is _____.

The T ½ of Xe-133 is _____.

Cyclotron-produced radionuclides usually decay by _____ or ______.

What is not required of the parent compound in a generator?

When there is Mo99m present in a preparation of Tc99m, this is ________ impurity.

Whenever a 99Mo generator is eluted, the 99mTc is in the form of _______ as the pertechnetate ion. 

Whenever thyroid activity is seen on a perfusion lung scan, it most likely indicates:

Which of the following Tc-99m labeled agents is approved for perfusion brain imaging?

Based on the day’s clinic schedule shown below, the technologist could order all of the following radiopharmaceuticals EXCEPT:

Patient              Procedure

Patient A          renal function study

Patient B          total body bone scan

Patient C          Meckel’s diverticulum localization

Patient D          hepatobiliary study

The normal adult dose range for a lung perfusion scan is approximately ____ mCi.

Which of the following radiopharmaceutical kit product is light sensitive?

An eluate of Tc-99m pertechnetate is assayed for Mo-99m contamination with the following results:

Mo-99              45 uCi

Tc-99m            275 mCi

Based on this assay, the technologist should:

Which is not a target organ for Tc99m DTPA?

The target organ is the organ that has to receive the highest dose in order to produce optimal images.

Heating is required during the preparation of all of the following Tc-99m labeled radiopharmaceuticals EXCEPT:

The presence of free pertechnetate in a MDP kit is considered a

250 mCi in 6 ml is added to 50 ml. What is the resulting concentration? (mCi/ml)

The minimum number of radiolabeled particles (MAA, macroaggregated albumin) for a satisfactory lung perfusion scan is:

Tc04- is seen in what organ after injections

Phosphorus 32 is best described as:

^99mTc-hexamethyl propylamineoxime (HMPAO) is a lipophilic brain agent also known as:

What is the dose range of Rb82 chloride (mCi)

If an MAA kit contains approximately 6 million particles, what reconstituting volume is required to obtain 500,000 particles in 0.4 mL (mL)

P-32 has a half-life of 14.3 days. A sample has an original activity of 200 mCi. How much will be left after 3 days (mCi)

Macroaggregated albumin particles have

Mechanism of sulfur-colloid hepatic localization

Oxidation of the stannous ion occurs when

Tc-99m sestamibi

What is the method of decay for In111

Which RA/RP is used for thyroid imaging and ablations

What is the method of production for Ga-67

If there is thyroid activity on a lung scan, you should assume there is a right to left shunt.

Which radiopharmaceutical is approved to image Pheochromocytoma and Neuroblastoma?

The physical half-life of a radiopharmaceutical is 4.0 hours and the biologic half-life is 2.5 hours. What is the effective T 1/2?

It is possible for the pretreatment of potassium perchlorate or Lugol's solution to influence the distribution of Tc99m.

Aminophylline should be available during a stress test if dipyridamole is used, to offset

Radionuclides that are alpha emitters are useful in a few imaging studies, however, they are more applicable to therapeutic applications.

RBC labeling can be done either in vivo or in vitro.

The Mo99-Tc99m generator is an example of a transient equilibrium

The T 1/2 of Ga-68 is

The method of uptake for Sestamibi is

MAbs can be labeled with In111.