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NP235 Unit 2 Diagnostic tests Questions With Complete Solutions
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NP235 Unit 2 Diagnostic tests Questions With Complete Solutions
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NP235 Unit 2 Diagnostic tests Questions With CompleteSolutions
.Bronchoscopy Correct Answer to remove foreign objects or
mucous plugs; to biopsy lesions. When tumor is suspected, a
lung biopsy may be obtained by bronchoscopy or during open
thoracotomy.
.Virtual Colonoscopy Correct Answer An oral contrast agent
may be given 1 day before the scan.
combines images from a high-tech spiral CT scan to create a
computer-generated three-dimensional picture of the colon.
Noninvasive method of determining whether there are polyps or
abnormalities in the colon.
A bone scan can diagnose Correct Answer Fractures
Arthritis
Paget's disease of bone
Cancer originating in bone
Cancer that has metastasized to bone from a different site
Infection of the joints, joint replacements or bones
(osteomyelitis)
Impaired blood supply to bones or death of bone tissue
(avascular necrosis
A perfusion scan Correct Answer looks at how blood is
flowing within the lungs. An IV injection of radionuclide-
tagged, macroaggregated albumin is given and is absorbed
evenly where blood flow is normal. Areas that are not getting
blood do not absorb the tracer.
A ventilation scan Correct Answer looks at how air moves in
and out of the lungs. Radioactive gas is inhaled and, when
,scanned, presents a pattern of ventilation in the lungs, In
particular, it looks at how air moves through the bronchi and
bronchioles within the lungs. A tracer will fill the lungs unless
the patient has an area where the air cannot move.
Ankle-brachial index test. Correct Answer measures and
compares the blood pressure between the right ankle and the
arm. The test shows reduced or blocked blood flow to the legs.
Arthrocentesis Correct Answer To extract synovial fluid for
analysis or to reduce swelling
The elastic bandage, if present, should be worn for 2-3
days.Patient should avoid overuse of the joint until pain and
swelling have subsided.Administer ordered analgesics PRN.
Arthroscopy Correct Answer To inspect the interior aspect of a
joint, usually a knee, with a fiberoptic endoscope to diagnose
problems of the patella, meniscus, and synovium; also used to
evaluate the progress of arthritis or effectiveness of treatment
Babinski Reflexes Correct Answer Normal in infants
- Positive Babinski reflex displayed by infants - fanning of toes
when medial side of sole is stimulated
- May indicate CNS damage in adults if toes fan when sole is
stimulated
- Negative Babinski reflex - seen in normal adults. When -
stimulated, curling of toes (plantar reflex) occurs
Barium Enema Correct Answer Radiographic examination of
the colon using fluoroscopy to locate tumors, obstruction, and
ulcerationKeep patient NPO for 8 hr before test.
Give ordered laxatives and enemas. Bowel must be clear of
stool.Explain what will happen during the test.Post-test care is
same as for upper GI series.
, Bladder scan Correct Answer Noninvasive method to measure
postvoid residual volume or urinary retention
Blood Cultures Correct Answer how Sepsis is diagnosed
use aseptic technique, where indicated and with sterile
equipment; (2) only collect fresh material from the suspected
site, avoiding contamination by microbes from nearby tissues
and fluids; and (3) use the appropriate container for the sample,
making sure the container is correctly labeled and tightly
covered to avoid spilling and contamination during transport to
the laboratory.
Bone Density Scan (DSXA) Correct Answer To measure bone
density of spine, hip, femur, or forearm
To monitor changes in bone density and to diagnose metabolic
bone disease
Bone Marrow Correct Answer Cells are withdrawn by needle
from the sternum or iliac crest
may perform a bone marrow exam to:
Diagnose a disease or condition involving the bone marrow or
blood cells
Determine the stage or progression of a disease
Check iron levels and metabolism
Monitor treatment of a disease
Investigate a fever of unknown origin
Bone Scan Correct Answer a nuclear imaging test . used if a
patient has unexplained skeletal pain, a bone infection, or a bone
injury that can't be seen on a standard X-ray.
Bone Scan Nursing Implications Correct Answer Check for
allergies and pregnancy.
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