NSB236 EXAM Questions and Correct Answers the Latest Update
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Course
NSB236
Institution
NSB236
What do the 5 most common reasons an ambo is called relate to
hypoxia
hypotension
aloc
tachycardia
tachypnoea
all relate to
sepsis (80%)
cardiogenic shock
arrythmia
pulmonary oedema
What is the formula for oxygen delivery
[SaO2 x Hb] + [PaO2] X [SV X HR]
Arterial o2 con...
✓ [SaO2 x Hb] + [PaO2] X [SV X HR]
✓
✓ Arterial o2 content x (cardiac output x peripheral vascular resistance)
What happens in aerobic respiration
✓ Turns glucose and O2 into water and CO2
✓ (Aerobic respiration breaks down glucose and combines the broken down products
with oxygen, making water and carbon dioxide.)
✓
✓ The energy from this reaction produces ATP (energy for cells)
What are 2 mechanisms to maintain effective blood volume
✓ 1. vasoconstriction
✓ 2. decrease renal losses of fluid
what is a mechanism to optimise cardiac performance
✓ increase hr and contractility
what is shock
✓ a state of insufficient perfusion and oxygenation delivery to vital organs and tissues
through the body
nursing interventions for managing circulation issues
✓ reduce workload- control hr
✓ management volume status
✓ re-establish blood flow- angioplasty
✓ critical care specific interventions
✓ optimise cardiac output
difference in iv fluids
✓ colloid- large molecule fluids
✓ crystalloid- small molecule and able to move through a semipermeable membrane
treatment for impaired perfusion/oxygenation
✓ address primary cause (eg bleeding/burns)
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