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AHN 568 Test 1 Questions with 100% Correct Answers
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AHN 568 Test 1 Questions with 100% Correct Answers
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AHN 568 Test 1 Questions with 100% CorrectAnswers
What are the 3 indicies that affect cardiac index and output? - ✔️✔️Low Preload (CVP and
wedge).
High afterload (SVR and BP).
Poor contracitliy (Inadequate CO/CI).
How do you avoid subarachnoid epidermal cyst in lumbar puncture? - ✔️✔️Keep stylette in
place. Prevents skin plug into nerve root.
How do you minimize risk of spinal lead in lumbar puncture? - ✔️✔️Use smallest bore needle
possible.
Lumbar puncture complications? - ✔️✔️Herniation, pain, headache, bleeding, infection,
subarachnoid epidermal cyst, CSF leak.
How much CSF should be collected during LP? - ✔️✔️3-4 mm
What does an opening pressure > 25 cm H2O indicate? - ✔️✔️Increased ICP and herniation.
LP has slow CSF flow. What do you do? - ✔️✔️Rotate needle 90 degrees.
Where should LP needle be placed? - ✔️✔️Between nerve roots of cadua equina.
Where is LP needle insertion point? - ✔️✔️Above superior aspect of L4 or L5.
Landmarks for LP insertion? - ✔️✔️Above iliac crest and below L3. Stay below spinal cord.
, How far do you advance needle after pop through ligament flavum? - ✔️✔️2 mm increments.
Make sure stylette is replaced before each advancement.
Where does iliac crest intersect spine? - ✔️✔️At L5.
Benefits of lateral recumbent position in LP? - ✔️✔️Less HA, and better opening pressure.
Why fetal position for LP? - ✔️✔️Bigger gap between spinous process.
LP needle size for adults? - ✔️✔️20-22 guage. 3.5 inches.
LP contraindications? - ✔️✔️ICP, herniation, focal neuro deficits, bleeding diathesis, previous
lumbar surgery.
Indications for paracentesis? - ✔️✔️Diagnose new onset ascites. Rule out bacterial peritonitis
with preexisting ascites.
Indications for large volume paracentesis? - ✔️✔️Stable patient, increase comfort, decrease
shortness of breath.
Contraindications to paracentesis? - ✔️✔️DIC.
Why use ultrasound guided paracentesis? - ✔️✔️Decrease risk for organ injury. Good in fatties
and those with lots of abdominal surgeries.
What are the 2 paracentesis insertion sites? - ✔️✔️2 cm below umbilcus or left & right lower
quadrants.
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