ARRT CT Registry Flashcards

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Questions and Answers

The normal range of respiration of an adult is?

35-50 breaths per minute

12-20 breaths per minute (correct)

5-10 breaths per minute

20-30 breaths per minute

Which of the following is a parenteral route of medication administration?

Sublingual

Transdermal

Intramuscular (correct)

Oral

The preparation for a contrast-enhanced CT exam of a patient with prior allergic reaction to iodinated contrast media may include?

Refraining from urination for 2 hours before the exam

Increase in fluids for 24 hours before the exam

Premedication with steroids and antihistamines (correct)

Administration of a negative contrast agent

A patient in shock may exhibit which of the following symptoms?

All the above Signup and view all the answers

Which of the following infection control techniques is required at the site of an intravenous injection of iodinated contrast media?

Surgical Asepsis Signup and view all the answers

A common site for the intravenous injection of iodinated contrast media is the?

All the above Signup and view all the answers

Which of the following technical factors exhibits a direct effect on patient dose?

Milliampere-seconds (mAs) Signup and view all the answers

Prior to an intravenous injection of iodinated contrast material, the patient should be questioned regarding?

1, 2, and 3 Signup and view all the answers

Used in determining the biologic effect of iodinated contrast media, the term __________ refers to the number of ions formed when a substance dissociates in solution.

osmolality Signup and view all the answers

Which of the following laboratory values can be used to evaluate the renal function of a patient?

Both A and C Signup and view all the answers

A(n) ________________ infection is one that patients acquire during their stay in a health care institution.

nosocomial Signup and view all the answers

During CT examinations, patients should be shielded above and below because of?

The rotational nature of the x-ray tube Signup and view all the answers

Which of the following would be best suited for intravenous injection of contrast material with a power injector?

An angiocatheter Signup and view all the answers

A(n) __________________ contrast material may be described as one that does not dissociate into charged particles in solution.

non-ionic Signup and view all the answers

Thorough explanation of the CT procedure and proper communication with the patient is vital in ensuring that?

1, 2, and 3 Signup and view all the answers

The lumen of needles used for the injection of contrast media varies in diameter. The unit used to describe this diameter is called?

Gauge Signup and view all the answers

Direct contraindications to iodinated contrast material administration include?

1 and 2 only Signup and view all the answers

Which of the following is an accurate method of verifying patient identity?

Examining the patient's wrist identification band Signup and view all the answers

Study Notes

Respiratory Rates and Medication Administration

Adult normal respiratory rate: 12-20 breaths per minute.
Parenteral route for medication: Intramuscular injections.

Contrast-Enhanced CT Exam Procedures

For patients with a history of allergic reactions to iodinated contrast, premedication with steroids and antihistamines is necessary.
Signs of shock in patients include tachycardia, rapid shallow breathing, and cyanosis.

Infection Control and IV Procedures

Surgical asepsis is mandatory at IV injection sites for iodinated contrast media.
Common IV injection sites include cephalic, antecubital, and basilic veins.

Technical Factors and Patient Safety

Patient dose is directly affected by milliampere-seconds (mAs).
Assess renal function, allergic history, and cardiac history prior to iodinated contrast material administration.

Biological Implications of Iodinated Contrast Media

Osmolality indicates the number of ions formed when a substance dissociates in solution.
Laboratory values for renal function evaluation include blood urea nitrogen (BUN) and creatinine.

Healthcare-Associated Infections and Radiation Safety

Nosocomial infections are acquired during a healthcare institution stay.
CT patients require shielding due to the rotational nature of the x-ray tube.

Contrast Injection Techniques

Angiocatheters are preferred for intravenous contrast material injections using a power injector.
Non-ionic contrast materials do not dissociate into charged particles in solution.

Patient Communication and Preparation

Clear explanations of the CT procedure ensure compliance with breathing instructions, minimize misregistration, and reduce patient anxiety.

Needle Specifications and Contraindications

Needle lumen diameter is described in gauge units.
Direct contraindications for iodinated contrast: prior life-threatening reaction and multiple myeloma.

Patient Identification Safety Measures

Best verification method for patient identity is checking the patient's wrist identification band.

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Description

Test your knowledge for the ARRT CT Registry exam with these flashcards. Covering essential respiratory rates and medication administration routes, this quiz helps you prepare effectively. Perfect for students and professionals in the radiologic technology field.