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9.1: which of the adhering to statements concerning normal gas exchange in the lungs is correct?

A) The oxygen contents in the alveoli is highest throughout the exhalation phase.

B) Oxygen and also carbon dioxide diffuse throughout the alveolar walls and capillaries.

C) The yes, really exchange the oxygen and carbon dioxide wake up in the capillaries.

D) Blood the returns come the lungs from the body has a short carbon dioxide content.

9.2: What occurs as soon as a patience is breathing an extremely rapidly and shallowly?

A) Minute volume increases since of a marked increase in both tidal volume and also respiratory rate.

B) air moves primarily in the anatomic dead an are and go not take part in pulmonary gas exchange.

C) wait is forcefully drawn into the lungs due to the an adverse pressure created by the quick respirations.

D) The bulk of tidal volume get the lungs and also diffuses across the alveolar-capillary membrane.

B) waiting moves generally in the anatomic dead room and walk not participate in pulmonary gas exchange.

9.3: Hypoxia is most accurately identified as:

A) short venous oxygen levels.

B) A decrease in arterial oxygen levels.

C) an increase in carbon dioxide in the blood.

D) poor oxygen come the tissues and also cells.

9.4: A ventilation/perfusion (V/Q ratio) mismatch wake up when:

A) A disruption in blood circulation inhibits the exchange the oxygen and also carbon dioxide in the lungs, also though the alveoli are filled with fresh oxygen.

B) Ventilation is inadequate as result of a traumatic injury or medical condition, which results in an impairment in pulmonary gas exchange.

C) Ventilation is compromised, causing the accumulation of carbon dioxide in the bloodstream, alveoli, and the tissues and also cells the the body.

D) A traumatic injury or medical condition impairs the body’s capability to effectively lug oxygen right into the lungs and also remove carbon dioxide from the body.

A) A disruption in blood flow inhibits the exchange of oxygen and also carbon dioxide in the lungs, even though the alveoli room filled v fresh oxygen.

9.5: friend respond to the house of one unconscious female lied supine with snoring respirations. The most likely cause of her airway deteriorate is:

A) Swelling as result of traumatic injury.

B) an anaphylactic reaction.

C) A foreign body lodged in she wind pipe.

D) The be safe of she tongue right into the back of she throat.

D) The relaxation of her tongue right into the ago of she throat.

9.6: You have actually inserted an dental airway and are ventilating an apneic woman v a bag-mask device. She suddenly begins regurgitating big amounts of vomit. Girlfriend should:

A) perform a finger sweep of she mouth.

B) asking your partner to apply cricoid pressure.

C) role her onto her side and also remove the dental airway.

D) eliminate the oral airway and suction her oropharynx.

C) role her onto she side and also remove the dental airway.

9.7: front to using a nonrebreathing mask ~ above a patient, you have to ensure that the:

A) One-way valve is sealed.

B) circulation rate is set at 6 L/min.

C) patient has reduced tidal volume.

D) Reservoir bag is fully inflated.

D) Reservoir bag is totally inflated.

9.8: You and also your partner are treating a 66-year-old man who skilled a sudden onset of respiratory tract distress. He is aware but is can not to follow an easy verbal commands. Additional assessment reveals the his breathing is severely labored and also his oxygen saturation is 80%. Girlfriend should:

A) effort to insert one oropharyngeal airway.

B) aid his ventilations through a bag-mask device.

C) apply a continuous positive airway push (CPAP) maker and monitor his breathing.

D) use high-flow oxygen via nonrebreathing mask

B) aid his ventilations with a bag-mask device.

9.9: i beg your pardon of the following statements about the one-person bag-mask device technique is correct?

A) The bag-mask device delivers much more tidal volume and also a greater oxygen concentration 보다 the mouth-to-mask technique.

B) The C-clamp technique of hold the mask come the challenge is not efficient when ventilating a patient v a bag-mask device.

C) Bag-mask ventilations must be ceded every 2 seconds when the maker is gift operated by one person.

D) sufficient tidal volume is often challenging to achieve when one EMT is operation the bag-mask device.

D) sufficient tidal volume is often difficult to achieve when one EMT is operating the bag-mask device.

9.10: The leaf-shaped structure located superior to the larynx is called the:

A) Epiglottis.

B) Vallecula.

C) Cricoid ring.

D) Thyroid cartilage.

A) Epiglottis.

9.11: The element of organic ventilation that requires the diaphragm contracting and also the chest wall surface expanding is:

A) metabolism.

B) inhalation.

C) exhalation.

D) airway expansion.

B) inhalation.

9.12: i beg your pardon of the following structures is no a component of the upper airway?

A) nasopharnyx

B) epiglottis

C) trachea

D) larynx

C) trachea

9.13: The procedure by i m sorry carbon dioxide move from a high concentration in the capillaries to a lower concentration in the alveoli is:

A) ventilation.

B) hypoxia.

C) wicking.

D) diffusion.

D) diffusion.

9.14: A patient that is arising early step of hypoxia might exhibit:

A) cyanosis.

B) restlessness.

C) a weak pulse.

D) a pulse oximetry reading listed below 80%.

B) restlessness.

9.15: A patient who takes an occasional gasping breath after his or her heart has stopped has:

A) agonal respirations.

B) ataxic respirations.

C) apneic respirations.

D) hypoxic respirations.

A) agonal respirations.

9.16: as soon as inserting a nasopharyngeal airway, that is vital to do all of the following except:

A) measure the dimension from the guideline of the nose to the earlobe.

B) ensure the the bevel encounters the septum when inserting right into the right nare.

C) insert v a consistent rotating motion.

D) lubricate the airway through a water-based lubricant.

C) insert with a continuous rotating motion.

9.17: If a D-sized oxygen cylinder consists of 300 together of oxygen and is in ~ 2,000 psi at the start of a call, the ideal estimate because that the lot of time a patient have the right to receive 15 L/min v a nonrebreathing mask is:

A) 10 minutes.

B) 20 minutes.

C) 30 minutes.

D) 40 minutes.

B) 20 minutes.

9.18: effectively performed suctioning the a patient might still cause:

A) hypoxia.

B) vomiting.

C) gastric distention.

D) aspiration.

B) vomiting.

9.19: when using a bag-valve-mask device, what key finding need to you observe to assure sufficient ventilation?

A) the lot of time in between squeezing the bag and also lifting the mask turn off the face

B) the patient"s load in kilograms

C) an excellent chest rise and fall

D) the ar of the patient"s cricoid cartilage

C) great chest rise and also fall

9.20: The most typical complication that the flow-restricted, oxygen-powered ventilation device is:

A) pneumothorax.

B) hypoventilation.

C) cricoid pressure.

D) gastric distention.

D) gastric distention.

9.21: The structure also known together the "windpipe" is the:

A) trachea.

B) key bronchus.

C) larynx.

D) carina.

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A) trachea.

9.22: fresh air breathed into the lung contains about what percentage of oxygen?

A) 21%

B) 3%

C) 5%

D) 99%

A) 21%

9.23: Cells need a continuous supply that oxygen to survive. Some cells may end up being severely or permanently damaged ~ what duration of time there is no oxygen?

A) 0-1 minute

B) 1-4 minutes

C) 4-6 minutes

D 6-10 minutes

C) 4-6 minutes

9.24: which of the complying with may cause an inaccurate pulse oximetry reading?

A) carbon monoxide poisoning

B) anemia

C) dirty fingers

D) every one of the above

D) all of the above

9.25: v an oxygen price of 15 L/min and also an adequate mask-to-mouth seal, a bag-mask device with an oxygen reservoir deserve to deliver nearly what percentage of oxygen?

A) 21%

B) 44%

C) 75%

D) 100%

D) 100%

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