CT - FINALS L1

Question 1

What are the four (4) px set up that can be used for CT examinations ?

Answer 1

1. Head First Supine (HFS)
2. Head First Prone (HFP)
3. Feet First Supine (FFS)
4. Feet First Prone (FFP)

Question 2

All other patients should be premedicated prior to procedure EXCEPT:

A. Moderate or Severe Reactions to Foods or Medications

B. Asthmatics on Medication

C. Mild Contrast Allergies

D. Severe Contrast Allergies

Answer 2

D. Severe Contrast Allergies

Question 3

Creatinine Clearance is obtained in all patients ______ within _____ of the exam.

Answer 3

1. ≥ 50 Years Old
2. 30 Days

Question 3

These are life-threatening with more severe signs/symptoms

Answer 3

Severe

Question 4

Severity of Contrast Reactions are divided into three (3), namely:

Answer 4

1. Mild
2. Moderate
3. Severe

Question 5

TRUE OR FALSE

Patients with increasing creatinine over a short period of time (days) should not receive I.V contrast even if creatinine is <1.5

Answer 5

TRUE

(These patents are likely going into renal failure.)

Question 6

This is a severity of contrast reactions that shows moderate degree of clinically evident focal and/or systemic signs/symptoms.

Answer 6

Moderate

Question 7

For Pregnant Women with RLQ Pain for CT, complete ab ultrasound includes search of the RLQ for (4):

Answer 7

1. Appendix
2. Gallbladder and Bile Duct Eval
3. Liver
4. Kidneys

Question 8

What is the contrast protocol for both CT and MRI for Pregnant Women ?

CT =
MRI =

Answer 8

CT = Oral and IV Contrast at 5mm with 2.5 mm recons, mA of 175 or less if possible (150 is usually ok)

MRI = Call MRI fellow on call if after-hours

Question 9

Head CT Scan Range starts from the:

A. Vertex
B. Mental Tip
C. Base of the Skull
D. Frontal Sinus

Answer 9

C. Base of the Skull

Question 10

The Scanogram for Head CT is ______

Answer 10

Lateral

Question 11

Scan range for Brain and Calvarium CT starts at the _____ and ends at the _______

Answer 11

Start = Base of the Skull

End = Vertex of the Skull

Question 12

Respiration Protocol for Head CT is ______

Answer 12

Shallow Breathing

Question 13

BRAIN AND CALVARIUM CT (Normal Px)

ST =
SI =

Answer 13

ST = 5 mm - 7 mm
SI = 2.5 mm

Question 14

BRAIN AND CALVARIUM CT (Trauma Px)

ST =
SI =

Answer 14

ST = 2.5 mm
SI = 0-1 mm

Question 15

What is the ST for Posterior Fossa/Sella CT ?

Answer 15

4 mm

Question 16

What is ST for Temporal Bone Scan (CT) ?

Answer 16

<0.5 mm

Question 17

What is the ST for Facial Bones / PNS CT ?

Answer 17

0.5 - 2.5 mm

Question 18

For contrast examination, injection of contrast should be done _______

A. After Plain and Contrast Series

B. Before Contrast Series

C. Before Plain Series

D. After Contrast Series

Answer 18

B. Before Contrast Series

Question 19

It is stage of brain hemorrhage characterized as a HYPERDENSE image

Answer 19

Acute

Question 20

It is stage of brain hemorrhage characterized as an ISODENSE image

Answer 20

Sub-acute

Question 21

It is stage of brain hemorrhage characterized as a HYPODENSE image

Answer 21

Chronic

Question 22

Common clinical findings for Head CT include the following, EXCEPT:

A. Intracerebral Hemorrhage

B. Infarction

C. Fracture

D. Meningitis

Answer 22

D. Meningitis

Question 23

What is the respiration protocol for Neck CT ?

A. Suspended Inspiration with No Swallowing

B. Suspended Expiration with Swallowing

C. Suspended Inspiration with Swallowing

D. Suspended Expiration with No Swallowing

Answer 23

D. Suspended Expiration with No Swallowing

Question 24

This is CT of the neck that is used to evaluate the soft tissue structures exclusive of the cervical spine, mainly the glandular organs, oral cavity and throat.

Answer 24

Soft Tissue Neck CT

Question 25

Neck CT examination includes the ______ and ______

Answer 25

1. Soft Tissue Neck 2. Cervical Spine

Question 26

This Neck CT is used for evaluation of the cervical spine in cases of trauma (fracture) and other invasive pathologic condition like bone metastases

Answer 26

Cervical Spine CT

Question 27

Neck CT prepares the patient via fasting of at least ______ prior to the exam

Answer 27

3 Hours

Question 28

Scanogram for Neck CT is _______

Answer 28

Lateral

Question 29

Neck CT Scan Range usually starts at _______ and ends at the _____

Answer 29

Start = Midsphenoid End - Thoracic Inlet

Question 30

The ST for Neck CT is equal to _______

Answer 30

1 mm - 8 mm

Question 31

CLASSIFY THE SEVERITY OF CONTRAST REACTION: Nausea, Warmth, Pallor, Flushing, Cough, Headache, Dizziness, Vomiting, Anxiety, Altered Taste, Itching, Shaking, Sweats, Rash (Hives) Chills

Answer 31

MILD

Question 32

CLASSIFY THE SEVERITY OF CONTRAST REACTION: Nasal Stuffiness, Swelling-eyes or face, Tachycardia, Bradycardia, Hypertension, Bronchospasm, Dyspnea, Pronounced Cutaneous Reaction

Answer 32

MODERATE

Question 33

CLASSIFY THE SEVERITY OF CONTRAST REACTION: Laryngeal Edema, Profound Hypotension, Unresponsiveness, Convulsion, Clinically Manifested Arrhythmias, Cardiopulmonary Arrest

Answer 33

SEVERE

Question 34

Premedication prior to CT includes 50 mg of ________ at 13 H.,7 H., and 1 H and 50 mg of _______ 1.H They should not drive after taking Benadryl IV; it is to be followed by 200 mg of _______ 6h and 2h prior to procedure and 50 mg of _________ 1h prior to procedure

Answer 34

1. 50 mg of PREDNISONE 2. 50 mg of BENADRYL 3. 200 mg of HYDROCORTISONE 4. 50 mg of BENADRYL