A patient is unconscious and buried to the midchest in a muddy ditch. When attem
ID: 92185 • Letter: A
Question
A patient is unconscious and buried to the midchest in a muddy ditch. When attempting to ventilate. You should suspect
Tidal volume
Compliance
Resistance
Minute volume
As the diaphrahm and intercostal muscles relax, the chest cavity
Decreases in size, causing exhalation
Increases in size, causing inhalation
Decreases in size, causing inhalation
Increases in size causing exhalation
An adult has an airway obstruction. What is most likely the cause
Foreign body
Food
Vomitus
tongue
which patient would be classified as “immediate” during MCI?
A 25 year old with open fibula fracture and a GCS of 14
A 75 year old female with cool, pink, diaphoretic skin
A 40 year old male with a respiratory rate of 32 and unstable pelvis
An 8 year old female with no respirations after 5 positive pressure ventilations
An adult is breathing at a rate of 6 breaths per minute. You should
Apply supplemental oxygen via nasal cannula
Closely monitor the patient’s respirations.
Ventilate the patient via bag-valve mask
Apply high concentration oxygen via nonrebreather mask.
A 56 year old female is struggling to breathe and has audible wheezes. She is unable to hold up her head or follow commands. What should you do.
Place her in a supine position and assist her ventilation
Obtain a baseline set of vitals and a pulse oximetry reading
Insert a nasopharyngeal airway and apply a non-rebreather mask
Visually inspect the airway for foreign body obstructions
A 20 year old female is unable to catch her breath. After a minor car crash. She has numbness in and tingling to her hands and face. Vital signs are P118, R24
Insert an OPA
Apply high-flow oxygen by non-rebreather mask
Give her a paper bag to breathe into
Assist her ventilations with a bag-valve mask
A 34 year old man is saying he is choking. You note stridor and hoarseness in his voice
Suction the airway
Perform abdominal thrusts
Assist him in self- administering his inhaler
Encourage him to cough
A 28 year old patient is experiencing dyspnea and wheezing. Which medication should you request from medical control?
Epinephrine auto-injector
Albuterol inhaler
Sublingual nitroglycerin
High-flow oxygen
An 18 year old febrile patient complains of malaise for several days. He is taking an oral antibiotic for an upper respiratory infection. Vital signs are bp 128/72, P118 and weak, R22 with rhonchi
Bronchitis
Sepsis
Pneumonia
Tuberculosis
Explanation / Answer
Tidal volume is defined as the amount of air which enters the lung during normal inspiration when the body is at rest. The normal value of tidal volume is about 450 ml.
Minute volume is defined as the volume of air that is inhaled oe exhaled per minute. It is calculated by multiplying tidal volume with the respiratory rate.
Lung compliance is due to the presence of elastic tissues in lungs and it is a measure of lung's ability to street and expand.
Airwary resistance or pulmonary resistance is defined as the resistance of the airway to the flow of sir during inspiration or expiration.
Here, the patient is unconscious and buried to the midchest in a muddy ditch. Therefore, when attempting to ventilate, we should suspect resistance.
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