Mosby Simulated Examination One Flashcards
An average range for activated partial thromboplastin time (PTT) is:
A. 10-12 seconds.
B. 17-21 seconds.
C. 25-35 seconds.
D. 43-55 seconds.
C. 25 to 35 seconds.
Which of the following is the correct angle of insertion for placing a butterfly needle into a vein for IV administration of a contrast agent?
A. 5 degrees.
B. 15 degrees.
C. 45 degrees.
D. 60 degrees.
B. 15 degrees.
A total volume of 125 mL of an IV contrast agent is administered IV via automatic injector in 50 seconds. The flow rate for this injection is:
2.5 mL. (125 / 50).
The condition whereby the pt suffers from a low concentration of oxygen in the blood is called:
Hypoxemia.
While one is obtaining a thorough history from a pt before IV injection of an iodinated contrast material, which of the following topics should be included? (Pick one or more)
1. Any prior allergic reactions to contrast media.
2. Presence of HIV or hepatitis infection.
3. History of asthma.
1 and 3 only.
Which of the following factors may affect a patient’s calculated glomerular filtration rate (GFR)? (Pick 1 or more answers)
1. Age.
2. Sex.
3. Race.
1, 2, and 3.
Which of the following is contrast agent administration methods provides the greatest overall plasma iodine concentration?
A. Drip infusion.
B. Bolus technique.
C. Biphasic technique.
D. CT portography.
B. Bolus technique.
A pt in shock may exhibit which of the following symptoms? (Pick one or more answers).
1. Tachycardia.
2. Rapid, shallow breathing.
3. Cyanosis.
1, 2, and 3.
General signs & symptoms of shock
- Rapid breathing.
- Tachycardia
- Hypotension
- Weak pulse
- Pallor
- Cyanosis
- Cold, clammy skin
The drug SOLU-CORTEF may be classified as which of the following?
A. Anticholinergic.
B. Bronchodilator.
C. Antihistamines.
D. Corticosteroid.
D. Corticosteroid.
(SOLU-CORTEF is a brand name for Hydrocortisone.
Which of the following is a nonionic contrast material?
A. Iodamide.
B. Iothalamate.
C. Iohexol.
D. Diatrizoate.
C. Iohexol.
List non-ionic contrast material
Iopamidol (Isovue), Iohexol (omnipaque), and iopromide (Ultravist).
Which of the following terms is used to describe a pt who is having difficulty breathing?
A. Dyslexia.
B. Dyspnea.
C. Dysphagia.
D. Dysphasia.
B. Dyspnea.
Lethargic state of consciousness
The pt appears drowsy but can be aroused.
Obtunded state of consciousness
Pt is in a more depressed level of consciousness & may not easily be aroused from a state of confusion.
Stupor state of consciousness
A state of near unresponsiveness (semicomatose).
Coma state of consciousness
The pt is completely unresponsive to stimuli.
Which of the following describes the situation in which an assumption is made that an unconscious or otherwise physically unable pt consents to medical treatment?
A. Informed consent.
B. Witnessed consent.
C. Patient proxy.
D. Implied consent.
D. Implied consent.
Complete cardiac diastole corresponds to which portion of the cardiac cycle on a ECG?
A. P wave.
B. QRS complex.
C. Alpha wave.
D. T wave.
D. T Wave (when diastole occurs).
During CT arthrography, iodinated contrast media is injected directly into the:
Joint space.
Which of the following is considered one of the iso-osmolar contrast media (IOCM)?
A. Iodixanol.
B. Iopamidol.
C. Iohexol.
D. Ioversol.
A. Iodixanol (Visipaque).
A common site for the IV administration of IV contrast media is the anterior recess of the elbow, otherwise known as the:
Antecubital space.
The potentially serious decline in renal function after the IV administration of contrast media is called:
A. Anaphylaxis.
B. Bronchospasm.
C. Contrast-induced nephrotoxicity (CIN).
D. Urticaria.
C. Contrast-induced nephrotoxicity (CIN).
Advantages of a saline flush immediately after the IV administration of iodinated contrast material include: (Pick one or more answers)
1. reduction in required contrast agent dose.
2. Reduction in the incidence of contrast-induced nephrotoxicity (CIN).
3. reduction of streaking artifact from dense contrast agent in the vasculature.
1, 2, and 3.
Which of the following medications may be administered to dilate the coronary vasculature prior to a cardiac CT examination?
A. Sublingual nitroglycerine.
B. a B-adrenergic receptor blocking agent (B-blocker).
C. Atropine.
D. Albuterol.
A. Sublingual nitroglycerin.
A normal range for diastolic blood pressure in an adult is:
A. 40-60 mm HG.
B. 60-90 mm HG.
C. 80-120 mm HG.
D. 95-140 mm HG.
B. 60-90 mm HG.
Normal diastolic blood pressure in an adult?
60 to 90 mm HG.
Which of the following is a parenteral route of medication administration?
A. Sublingual.
B. Intramuscular.
C. Transdermal.
D. Oral.
B. Intramuscular.
Parental route of medication includes:
Intramuscular, Intravenous, Intradermal, & Subcutaneous.
Which of the following types of isolation techniques protects against infection transmitted through fecal matter?
A. Acid-fast bacillus isolation.
B. Contact isolation.
C. Enteric precautions.
D. Drainage-secretion precautions.
C. Enteric precautions.
Which of the following is considered one of the ionic radiopaque contrast media (RCM)?
A. Iohexol.
B. Iothalamate meglumine.
C. Iopamidol.
D. Ioversol.
B. Iothalamate meglumine.
A patient who appears drowsy but can be aroused is said to be:
Lethargic.
Direct contraindications to the administration of iodinated contrast material include: (Pick one or more answers)
1. prior life-threatening reaction to iodinated contrast material.
2. Multiple myeloma.
3. Diabetes.
1 only.
The acronym CTDI is used to describe what?
The radiation dose to the pt during a CT scan.
CTDI = CT dose index.
Contact shields made of _________ may be used to selectively protect radiosensitive organs that lie within the scanned region during a CT acquisition.
Bismuth.
Which of the following technical factors has a direct effect on pt dose?
A. Matrix size.
B. Algorithm.
C. MAS.
D. Window Level.
C. MAS.
Which of the following devices is used to measure the pt dose from a CT examination?
A. Geiger counter.
B. Proportional counter.
C. Ionization chamber.
D. Film badge.
C. Ionization Chamber.
To meet current industry standards for required dose reduction measures, a CT system must employ which of the following? (Pick one or more answers).
1. Automatic exposure control (AEC).
2. Adult and pediatric protocols.
3. Digital Imaging and Communications in Medicine (DICOM) radiation dose structured reporting (RDSR).
1, 2, and 3.
When implanting a scan protocol for a CT of the abdomen without contrast on a pediatric pt (40 lb/18 kg) which technical factor should be primarily adjusted?
A. detector configuration.
B. tube milliamperage (mAs).
C. SFOV.
D. Reconstruction algorithm.
B. Tube milliamperage (mAs).
Whole-body risk based upon the radiosensitivity of exposed tissues may be estimated using the unit:
A. Stochastic dose.
B. Kerma.
C. Effective dose.
D. CT dose index (CTDI).
C. Effective Dose.