202 X2 149 Flashcards
(199 cards)
____________ uses radiofrequency signals and multiple magnetic fields to produce a high-definition image.
a.
Magnetic resonance imaging (MRI)
b.
Computed tomography (CT)
c.
Positron emission tomography (PET)
d.
Fluoroscopy
a.
Magnetic resonance imaging (MRI)
“K” is the symbol for:
a. Barium
b. Calcium
c. Potassium
d. Hydrogen
c. Potassium
The procedure that is used to correct a blocked or narrowed blood vessel and restore flow is called:
Angioplasty
Venoplasty
Venogram
Seldinger technique
Angioplasty
Contrast media instilled into the urinary tract for visualization of the bladder, ureters, and kidney is called ________________.
a.
myelography
b.
angiography
c.
cholangiography
d.
retrograde pyelography
d. retrograde pyelography
Normal adult range for sodium is:
102-113 mEq/L
113-124 mEq/L
124-135 mEq/L
136-145 mEq/L
136-145 mEq/L
Cross-matching of blood refers to:
Blood typing
Blood grouping
Blood compatibility
Rh factor determination
Blood compatibility
The _________________ is a basic test used to evaluate the type and percentage of normal components in the blood.
a.
arterial blood gases (ABCs)
b.
metabolic panel
c.
white blood count (WBC)
d.
complete blood count (CBC)
d. Complete Blood Count (CBC)
Most image guided procedures are initiated with the Seldinger technique. The first step of the technique is placement of the needle in the vessel. Select the step below that is performed after the needle is placed in the lumen of the vessel.
Catheter is threaded over a guidewire Guidewire is inserted Needle is removed Dilator is inserted
Guidewire is inserted
Two primary tests that are performed on surgical patients to evaluate blood and blood cells are ________________________.
a.
CBC and differential leukocyte count
b.
type and cross-match and type and screen
c.
cardiac enzyme and glucose level studies
d.
urinalysis and electrolyte study
a. CBC and differential leukocyte count
To perform cholangiography, which duct is identified and incised for placement of the catheter?
Wharton’s
Hepatic
Cystic
CBD
Cystic
Because ________ is found in contrast media, the patient must be evaluated for potential hypersensitivity before administration.
a.
latex
b.
radioactive material
c.
penicillin
d.
iodine
d. iodine
_______________ is/are the most basic form of assessment.
a.
CT scan
b.
Vital signs
c.
ECG
d.
Chest radiograph
b. Vital signs
_________________, or decreased serum potassium, can result from persistent and severe vomiting and diarrhea, from extensive tissue trauma, or from shock.
a.
Hypokalemia
b.
Hyponaturemia
c.
Hyperkalemia
d.
Hypocalcemia
a. Hypokalemia
Molecules of inorganic substances that are essential for homeostasis and are capable of splitting to yield a charged particle or substance are called _____________.
Answers: a.
sodium levels
b.
glucose levels
c.
electrolytes
d.
cardiac enzymes
c. electrolytes
Protein or albumin in the urine indicates:
Urinary tract infection
Diabetes
Acute or chronic renal disease
Dehydration
Acute or chronic renal disease
Which of the following diagnostic imaging techniques is used to aid in diagnosing a rotator cuff tear?
MRI
Plain radiographic
Myelography
CT
MRI
Which of the following is the normal value of the BUN for adults?
7-18 mg/dl
18-29 mg/dl
29-40 mg/dl
40-51 mg/dl
7-18 mg/dl
A primary tool for assessing the chambers for air after valve replacement is:
ECG
MUGA scan
TEE
Arterial waveform
MUGA scan
________ is necessary for the transmission of nerve impulses to skeletal, smooth, and cardiac muscle.
a.
Potassium
b.
Sodium
c.
Magnesium
d.
Calcium
a. Potassium
The normal adult range of WBC is:
5,000-10,00/mm3
10,000-15,000/mm3
15,000-20,000/mm3
20,000-25,000/mm3
5,000-10,000/mm^3
Acute adverse reactions to iodinated and gadolinium containing contrast media can be either allergic-like or physiologic. Sound clinical judgment should be used to determine when and how aggressively an acute reaction should be treated, however, many mild reactions resolve during a period of observation without treatment. Which statement by the patient would alert you to the possibility that the patient was having a mild reaction to the contrast agent?
“I am having trouble breathing, and my heart is racing!” “I feel dizzy, hot, kind of nauseated, and my nose is stuffy.” “I am having pain and tightness in my chest and shoulders.” “I am itchy all over and there are shooting pains in my IV arm!”
“I feel dizzy, hot, kind of nauseated, and my nose is stuffy.”
Lynne D. is scheduled for surgery. Her hematocrit reading is 40% of whole blood volume. This is:
Within normal range
Below normal range
Above normal range
Inconclusive
Within normal range
What does ALARA stand for:
As Low As Reachable Achievable
As Low As Reasonable Achievable
As Long As Reasonably Attainable
As Long As Reasonably Achieve
As Low As Reasonable Achievable
_____________________ can result from parathyroid disease, vitamin D deficiency, and specific drugs such as corticosteroids and some diuretics.
a.
Hypocalcemia
b.
Hematocrit
c.
Hyponaturemia
d.
Hemoglobin
a. Hypocalcemia