Mosbys ct Study guides, Class notes & Summaries

An average range for activated partial thromboplastin time (PTT) is: - Answer-25-35 seconds. PTT is a lab measure of blood coagulation. What is the correct angle of insertion for placing a butterfly needle into a vein for intravenous administration of a contrast agent? - Answer-15 degrees It's also important that the vein be properly stabilized and needle be inserted gently with bevel facing upward. A total volume of 125 mL of an iodinated contrast agent is administered intravenously via ...

Mosby's Exam Review for CT 180-dgree linear interpolation (180 LI) - Answer-Type of algorith used for MSCT image reconstruction in which data acquired from a shorter distance (180 degrees) away from the reconstructed slice location are interpolated. absorbed dose - Answer-the amount of x-ray energy absorbed in a unit of mass. It is measured in grays. (Gy) 360-degree linear interpolation (360 LI) - Answer-type of algorithm used for MSCT image reconstruction in which two sets of projection...

Typical protocol for CT-brain for a pt w/ Hx of dizziness CORRECT ANSWER 2.5-mm × 2.5-mm sections through the posterior fossa, 5 mm × 5 mm to vertex What is the scout (localizer) projection used to prescribe an axial CT acquisition of the brain? CORRECT ANSWER LAT scout Glioma is a general term used to describe a group of primary tumors. Consisting of malignant glial cells, gliomas occur in CORRECT ANSWER the brain Which of the following patient positions may have been used to produce...

left pulmonary artery CORRECT ANSWER Number 1 on the figure corresponds to which of the following? a. lt pulmonary artery b. ascending aorta c. inferior vena cava d. descending aorta 4 CORRECT ANSWER Which number on the figure corresponds to the superior vena cava? D CORRECT ANSWER The abnormal density located in the posterior portion of the left lung field on the figure has an avg attenuation value of +5.0 HUs. This density most likely represents: a. pneumothorax b. hemothorax c. a...

The use of water as an oral contrast material for CT of the abdomen and/or pelvis has several potential advantages, including: 1. increased palatability and improved pt comfort 2. better demonstration of enhancing bowel wall 3. no interference with 3D applications CORRECT ANSWER-1, 2, and 3 The use of water as a neg contrast agent is becoming increasingly common for many CT applications for the abdomen and pelvis A pt's BP is measured 140/70 mm Hg. The number 140 represents: a. pressu...

180-dgree linear interpolation (180 LI) CORRECT ANSWER Type of algorith used for MSCT image reconstruction in which data acquired from a shorter distance (180 degrees) away from the reconstructed slice location are interpolated. absorbed dose CORRECT ANSWER the amount of x-ray energy absorbed in a unit of mass. It is measured in grays. (Gy) 360-degree linear interpolation (360 LI) CORRECT ANSWER type of algorithm used for MSCT image reconstruction in which two sets of projection data acqui...

Mosby's CT Exam Review Practice Test 1 questions with correct answers

Mosby's CT Exam Review Practice Test 1 Already Graded A NB: Answers to the questions appear before them and are highlighted in yellow 25-35 seconds An average range for activated PTT is: B. 15 degrees Which of the following is the correct angle of insertion for placing a butterfly needle into a vein for intravenous administration of a contrast agent? A. 5 degrees B. 15 degrees C.45 degrees D. 60 degrees 2.5mL/sec A total volume of 125mL of an iodinated contrast agent is administered intrave...

Proximal to the injection site CORRECT ANSWER-Where should the tourniquet be positioned during preparation of a patient for intravenous contrast administration? All of the answers are correct CORRECT ANSWER-When obtaining a medical history, it's important to: 1. Ask open-ended questions 2. Encourage the patient to provide maximum information 3. Repeat and summarize the information to assure accuracy 5 to 20 mg/dL CORRECT ANSWER-Average range for normal adult BUN: 95 to 140 mm Hg COR...

180-dgree linear interpolation (180 LI) - Type of algorith used for MSCT image reconstruction in which data acquired from a shorter distance (180 degrees) away from the reconstructed slice location are interpolated. absorbed dose - the amount of x-ray energy absorbed in a unit of mass. It is measured in grays. (Gy) 360-degree linear interpolation (360 LI) - type of algorithm used for MSCT image reconstruction in which two sets of projection data acquired 360 degress apart are used to form ...