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NUR 213 Exam: Questions & Well Detailed Answers
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NUR 213 Exam: Questions & Well Detailed Answers
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NUR 213 Exam: Questions & Well Detailed AnswersOxygen delivery devices with their flow rates and percentage of oxygen?
Right Ans - Nasal Cannula
Nonrebreather
Simple face mask
Venturi Mask
Pharynx Right Ans - the membrane-lined cavity behind the nose and
mouth, connecting them to the esophagus.
throat; passageway for food to the esophagus and air to the larynx
Larynx Right Ans - voice box; passageway for air moving from pharynx to
trachea; contains vocal cords
Normal age related changes to the reparatory system in older adults Right
Ans - Two most important normal changes with aging:- Lowered efficiency of
gas exchange- Reduced ability to handle secretions
Cilia become less responsive and less effective.
Compounded with age-related diminished cough reflex and immune response,
leads to high risk for bronchitis and pneumonia.
Changes are especially dangerous for those with:- Limited mobility- Muscular
changes to the oropharyngeal muscles due to injury (e.g., stroke)- Chronic
disease such as Parkinson's disease or those who already have chronic
respiratory problems.
As people age:- Gradual loss of the elastic recoil of the lungs occurs- Stiffening
of the chest wall- Gas exchange alteration- Decrease in exercise tolerance
The lungs become more rounded and smaller- Number of functional alveoli
decreases as peripheral airways lose supporting tissue
,These changes are similar to those seen in the patient with emphysema-
However, emphysema is NOT caused by aging alone.
nasal cannula Right Ans - *An oxygen-delivery device in which oxygen
flows through two small, tubelike prongs that fit into the patient's nostrils;
delivers 24% to 44% supplemental oxygen, depending on the flow rate.
*A device that delivers low concentrations of oxygen through two prongs that
rest in the patient's nostrils.
Nasal cannula flow rate Right Ans - 1-6 L/min
24-44%
nonrebreather mask Right Ans - *A face mask and reservoir bag device that
delivers high concentrations of oxygen. The patient's exhaled air escapes
through a valve and is not rebreathed.
*an oxygen-delivery apparatus used to deliver high flow rates and high
concentrations of oxygen via a mask that fits snugly over the patient's mouth
and nose
nonrebreather mask flow rate Right Ans - 10-15 L/min
80-95%
80-95% at flow rate of 10-15L/min to keep reservoir bag 2/3 full during I and
E----one way valve allows client to inhale max O2 from reservoir bag
simple face mask Right Ans - *delivers higher concentration than cannula
about 40-60. can be used if hypoxemia doesn't resolve
*an oxygen-delivery apparatus used for patients who require a moderate flow
rate for a short period of time via a plastic mask that fits snugly over the
mouth and nose
Simple face mask flow rate Right Ans - 6-10L/min
40-60% at flow rate of 5-8L/min
Venturi mask Right Ans - an oxygen-delivery apparatus consisting of a
mask with holes on each side that allow exhaled air to escape and color-coded
, entrainment ports that are adjustable to allow regulation of the concentration
of oxygen delivered
A face mask and reservoir bag device that delivers specific concentrations of
oxygen by mixing oxygen with inhaled air.
Venturi mask flow rate Right Ans - 4-10 L/min
24-50%
Age-related changes that alter the respiratory system? Right Ans - Changes
to lung tissue: Muscles and other tissues that are near your airways may lose
their ability to keep the airways completely open. This causes the airways to
close easily. Aging also causes the air sacs to lose their shape and become
baggy.
Ribcage bones become thinner and change shape, altering the ribcage so that
it is less able to expand and contract with breathing. Nerves in airways that
trigger coughing become less sensitive to foreign particles. When particles
build up in the lungs, they can damage the lung tissue.
decreases in oxygen diffusion capacity, expiratory flow rate, exercise capacity,
antibody response to antigens, and protection against aspiration and foreign
particles. These changes put them at increased risk for pneumonia
Allergy to what substance that is contraindicated in flu immunization?
Right Ans - History of severe allergic reaction (e.g., anaphylaxis) to any
component of the vaccine (other than egg) or to a previous dose of any
influenza vaccine
Patient's respiratory response to fever? Right Ans - Respiration rates may
increase with fever, illness, and other medical conditions. When checking
respiration, it is important to also note whether a person has any difficulty
breathing.
Appropriate technique for deep tracheal suction? Right Ans - Deep suction
(ONLY perform in an emergency)
Pass the suction catheter until you meet resistance, pull back slightly, apply
suction and withdraw catheter within 5 seconds
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