practical 2 study
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- Post op patient complains of dizziness. What is the most likely cause of the symptoms?
- Hyperventilation
- what are the contraindications for PDPV therapy?
- recent eye surgery,recent neuro surgery, pt. is hemodynamically unstable
- A pt. positioned prone in the bed is draining which segments?
- right and left posterior lower lobe segtments
- Regarding anatomy of the lungs
-
1) There are a total of 18 segements
2) total alveoli in the hundreds of millions
3)the right lower lobe has 5 segments - The advantage of the AVI high frequency vest is that
- It eliminates the need for postural drainage
- Conditions that can affect airway patency and cause abnormal secretions
-
1)foreign bodies
2)TUMORS
3)inflammation
4)bronchospasm - risk for a pt. breathing small tidal volumes
- passive atalectasis
- What are some possible causes of contamination in large RESOVOIR JET NEBULIZERS
- introduction of nonsterile fluids or air, handling of nebulizer components, spread of contaminated water back into resovoir
- The time limit for a large container open container of sterile fluid before being discarded
- 24 hours
- A patient develops an infection after exposure to contaminated food. This is an example of--
- Vehicle transmission
- What would you choose if your goal was to kill both vegetative and spore forms of bacterial pathogens?
- Gluteraldehyde
- Inhaling mycobacterium is an example of-
- Airborne transmission
- Sterilizing a piece of heat-sensitve equipment
- EtO
- Color changes in sterilizer tape
- indicate that proper conditions for sterilization have been met
- The spread of Hep C and HIV
- Indirect contact
- Nasal cannula ordering
- By liter flow
- Simple mask at 8 L--what FiO2?
- 0.45
- If, while on a simple mask, the patient's RR and tidal volume decrease, what happens to the FiO2?
- It increases
- Criteria for a high flow oxygen device?
- It must meet the patient's flow demand needs, and it must deliver a precise FiO2
- Oxyhemoglobin dissociation curve
- 1) Comparision between O2 saturation and Pa02
- Clinical objective of O2 therapy
-
1) decrease symptoms caused by chronic hypoxemia
2)decrease the workload hypoxemia causes on the heart and lungs
3)correct documented artertial hypoxemia - Indications for O2 therapy
-
1)treat hypoxemia
2)treat an acute MI
3)treat anemia at altitude - High flow oxygen delivery devices under normal conditions
- aerosol mask, venti mask
- Factors that affect delivered oxygen concentration from a simple mask
-
1) Pt's tidal volume
2) Patient's RR
3)Liter flow of oxygen
4) Fit of mask - True statements regarding venturi devices
-
1) if the size of then entrainment port is decreased, the FiO2 increases
2)If the jet size increases, the Fi02 increases - A percussion tone heard over areas of roughly equal air to tissue ratio is termed
- Resonance
- The equilibrium between the thoracic cage and the lung itself determines
- The functional residual capacity
- True statements regarding alveolar pressure
- Negative during inspiration, positive during expiration
- Where are the anatomical locations of the peripheral chemoreceptors
-
1) arch of aorta
2)bifurcation of the carotid - Functions of the lung
-
1)gas exchange
2)heat and water exchange
3)acid-base balance
4)Defense against infection - Main example of non-elastic resistance
- airway resistance
- Examples of anatomical landmarks of the thorax
-
1)midsternal line
2)suprasternal notch
3)midspinal line - Main anatomical location responsible for involuntary respiration
- 1) pons and medulla
- Vt means
- Tidal volume
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