Chapter 13 Diagnostic Procedures Exam Flashcards
In normal blood gas ranges, arterial oxygen saturation should be at or near what percentage range of capacity?
A) 10% to 20%
B) 25% to 40%
C) 50% to 79%
D) 96% to100%
D) 96% to100%
Which of the following is (are) stained in a Gram stain test?
A) cervix
B) calculi
C) bacteria
D) tissue margins
C) bacteria
A type of organism that dies quickly when exposed to air is called:
A) aerophilic
B) anaerobic
C) neoplastic
D) oxidative
B) anaerobic
Cholangiography is the diagnostic study that images which anatomical structure?
A) common bile duct
B) large intestine
C) upper GI tract
D) urinary system
A) common bile duct
A neurologist might order an EEG for a patient with which suspected diagnosis?
A) herniated disc
B) hydrocephalus
C) partial paralysis
D) seizure disorder
D) seizure disorder
A deep vein thrombosis can be diagnosed by which diagnostic study?
A) capnography
B) ejection fraction
C) phleborheography
D) spirometry
C) phleborheography
Which of the following is a display and recording of the electrical activity of skeletal muscle?
A) ECG
B) EEG
C) EGD
D) EMG
D) EMG
For which of the following diagnoses would a myelogram MOST likely be ordered?
A) kidney infection
B) carpal tunnel syndrome
C) nerve root compression
D) chronic obstructive pulmonary disease
C) nerve root compression
What is the symptom that a patient with myocardial ischemia would experience?
A) angina
B) eupnea
C) flatulence
D) itching
A) angina
For which anatomic area is ultrasonography ineffective?
A) amniotic sac
B) heart
C) lungs
D) veins
C) lungs
B-cells and T-cells are types of:
A) platelets
B) hemoglobin
C) lymphocytes
D) red blood cells
C) lymphocytes
Which of the following studies combines computed tomography with isotope scanning to highlight chemical or metabolic activity?
A) PET
B) IOC
C) MRI
D) EEG
A) PET
Which diagnostic method requires use of an image intensifier?
A) CT scanning
B) MRI scanning
C) fluoroscopy
D) ultrasonography
C) fluoroscopy
What is the name of the 24-hour monitoring device for cardiac dysrhythmias?
A) Doppler monitor
B) Holter monitor
C) electrocardiogram
D) electromyogram
B) Holter monitor
What is another term used for diagnostic isotope scanning?
A) electroencephalography
B) nuclear medicine
C) capnography
D) spirometry
B) nuclear medicine
Which of the following devices would be used within the sterile field to determine the patency of an arterial anastomosis?
A) stethoscope
B) Doppler probe
C) cholangiogram catheter
D) echocardiography transducer
B) Doppler probe
Which condition of excess fluid is analyzed by thoracentesis?
A) ascites
B) hydrocephalus
C) hyperhidrosis
D) pleural effusion
D) pleural effusion
Roentgenography, named for the German physicist who discovered it, is better known today as:
A) echocardiography
B) pulse oximetry
C) radiography
D) ultrasonography
C) radiography
Which test involves a lumbar puncture for collection and analysis of CSF?
A) spinal tap
B) urinalysis
C) myelogram
D) amniocentesis
A) spinal tap
Which artery is MOST commonly accessed with the Seldinger technique during cardiac catheterization?
A) axillary
B) brachial
C) carotid
D) femoral
D) femoral
Auscultation involves use of a(n):
A) otoscope
B) stethoscope
C) laparoscope
D) bronchoscope
B) stethoscope
A corneal abrasion would be assessed using a(n):
A) colposcope
B) laryngoscope
C) sigmoidoscope
D) ophthalmoscope
D) ophthalmoscope
Which of the following is an example of an isotope scan that may show “hot spots” indicating possible pathology?
A) arteriogram
B) bone scan
C) CAT scan
D) mammogram
B) bone scan
What is a common component of many contrast media that may be a contraindication for use in allergic patients?
A) iodine
B) sodium
C) calcium salts
D) radionuclides
A) iodine
MRI scans require shielding of thyroid and gonads because of ionizing radiation emissions.
A) False
B) True
B) True
Which of the following is a flexible, atraumatic device used to facilitate proper placement of catheters into lumens of vessels, ducts, or ureters?
A) balloon dilator
B) Doppler probe
C) J-guidewire
D) Swan-Ganz
C) J-guidewire
EEG leads may be placed directly on the surface of the brain during craniotomy.
A) True
B) False
A) True
Which study uses frequencies of 1 to 10 million Hertz through human tissue for diagnostic purposes?
A) tomography
B) apnography
C) ultrasonography
D) electromyography
C) ultrasonography
Rapid serial film changers and pressure injectors are used in which diagnostic imaging study?
A) angiogram
B) CT scan
C) echocardiogram
D) MRI scan
A) angiogram
Hypaque, Cystografin, and Renografin are:
A) antiseptic prep solutions
B) bacterial staining compounds
C) contrast media
D) tissue preservatives
C) contrast media
Contrast media are routinely introduced:
A) rectally
B) topically
C) sublingually
D) intravenously
D) intravenously
Which of the following terms describes the percentage of blood pumped out of a filled ventricle with each heartbeat?
A) tidal volume
B) ejection fraction
C) plethysmography
D) prothrombin time
B) ejection fraction
Which wave of the cardiac cycle in an electrocardiogram indicates the ventricular repolarization phase?
A) P-wave
B) Q-R-S wave
C) T-wave
D) U-wave
C) T-wave
An AP view on a radiograph is taken:
A) at a 45° angle
B) cross-table
C) head to toe
D) front to back
D) front to back
Oxygen saturation is higher in the venous system than in the arterial system, making blood appear darker red.
A) False
B) True
B) True
Which study assists a surgeon with determining the MOST effective antibiotic therapy for treatment of an SSI?
A) isotope scanning
B) plethysmography
C) culture and sensitivity
D) hemoglobin and hematocrit
C) culture and sensitivity
All of the following studies expose the patient to ionizing radiation EXCEPT:
A) CT scan
B) MRI scan
C) angiogram
D) myelogram
B) MRI scan
Intraoperative fluoroscopy for cholangiography would require which of the following?
A) radiolucent OR table
B) radiopaque OR table
C) x-ray guidewires
D) x-ray film cassettes
A) radiolucent OR table
When a vessel cannot be accessed percutaneously for angiography, how else could it be done?
A) auscultation
B) cut-down
C) digital subtraction
D) palpation
B) cut-down
In a Gram stain study, the bacteria that retains the blue coloration following staining, alcohol rinse, and restaining is:
A) gram positive
B) gram negative
C) gram sensitive
D) gram resistant
A) gram positive
Basophils, eosinophils, and neutrophils are types of white blood cells.
A) True
B) False
A) True
Thoracentesis is removal of fluid from the:
A) amniotic sac
B) pleural space
C) synovial space
D) peritoneal cavity
B) pleural space
Which noninvasive study assesses the amount of carbon dioxide in the arterial system of a patient on mechanical ventilation?
A) capnography
B) pulmonary capillary wedge pressure
C) spirometry
D) thoracentesis
A) capnography
Which of the following is a dye used for staining tissue for diagnosis?
A) Hypaque
B) Cystografin
C) Renografin
D) crystal violet
D) crystal violet
Hemoglobin is measured in grams per deciliter, and hematocrit is measured in percentages.
A) True
B) False
A) True
