Reading Quiz 5 (CH. 13) Flashcards

1
Q

The primary stimulus for increasing ventilation/respiratory rate is ____________.

a. increasing levels of N2 in the blood
b. increasing levels of CO2 in the blood
c. decreasing levels of CO2 in the blood
d. increasing levels of CO in the blood

A

b. increasing levels of CO2 in the blood.

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2
Q

The right lung has 3 lobes and the left lung has two lobes. Which lung is more at risk to acquire infections?

a. the left lung because it has bronchi
b. the left lung because the cardiac impression weakens the tissue
c. the right lung because the primary bronchus is more vertical
d. the left lung because the primary bronchus is more horizontal

A

c. the right lung because the primary bronchus is more vertical

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3
Q

Vital capacity includes the sum of all pulmonary volumes measures, EXCEPT _____________.

a. ERV - expiratory reserve volume
b. TV - tidal volume
c. IRV - inspiratory reserve volume
d. RV - residual volume

A

d. RV - residual volume

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4
Q

The correct anatomical landmark for needle decompression is _______________.

a. lateral to the sternum between the 2nd and 3rd intercostal space
b. inferior to the interscapular region at the level of T8 - T9
c. superior to the suprasternal notch
d. lateral to the xiphoid process between the 7th and 8th intercostal space

A

a. lateral to the sternum between the 2nd and 3rd intercostal space.

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5
Q

Puncture of the pleural cavity can lead to ______________________.

a. increased lung compliance due to increased contractility of the diaphragm.
b. tension pneumothorax due to accumulation of air in the thoracic cavity
c. cardiac tamponade due to diffusion of air from the intrapleural cavity/space into the pericardium
d. an aortic aneurysm due to accumulation of air in the superior aspects of the thoracic cavity

A

b. tension pneumothorax due to accumulation of air in the thoracic cavity

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6
Q

The chemical __________ is critical in preventing alveolar collapse during exhalation.

a. CAH - carbonic anhydrase
b. histamine
c. surfactant
d. ACE - angiotensin converting enzyme

A

c. surfactant

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7
Q

Left ventricular insufficiency can lead to _________________.

a. a hemorrhagic stroke
b. pulmonary edema
c. increased coronary ejection fraction
d. pulmonary embolism

A

b. pulmonary edema

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8
Q

Increased CO2 concentration in the alveoli will cause _____________.

a. increased constriction of the bronchioles
b. decreased intrapulmonary pressure and increased intrapulmonary volume
c. increased dilation of the bronchioles
d. improved diffusion of CO2 from the alveoli into the blood

A

C. increased dilation of the bronchioles

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9
Q

Atelectasis defined is _______________.

a. cardiac tamponade caused by a pulmonary embolism
b. a diaphragmatic puncture
c. an anaphylactic reaction
d. the collapse of a lung

A

d. the collapse of a lung

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10
Q

The first cartilage in the trachea is the ____________.

a. arytenoid
b. cricoid
c. carina
d. corniculate

A

b. cricoid

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11
Q

When providing ventilation to a patient with a pulse, if the ETCO2 reading on the monitor starts to decrease, you should __________________.

a. verify the mask is sealed properly on the face and increase the rate at which the patient is being ventilated
b. verify the mask is sealed properly on the face and decrease the rate at which the patient is being ventilated.
c. start chest compressions
d. increase the flow of O2 into the bag valve mask

A

b. verify the mask is sealed properly on the face and decrease the rate at which the patient is being ventilated.

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12
Q

Right mainstem intubation can happen because _________________.

a. endotracheal tubes are long and rigid
b. the heart creates posteriolateral pressure on the right lung
c. the left lung’s primary/mainstem bronchus is more horizontal
d. the right lung’s primary/mainstem bronchus is more vertical

A

d. the right lung’s primary/mainstem bronchus is more vertical

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13
Q

When systemic chemoreceptors sense an increase in CO2 and H+, the oxygen-hemoglobin disassociation curve will ________________________________.

a. shift to the left and increase O2 unloading capacity from the blood into the tissue
b. shift to the left and increase O2 loading capacity from the blood into the tissue
c. shift to the right and increase O2 unloading capacity from the blood into the tissue
d. shift to the right and increase O2 loading capacity from the blood into the tissue

A

c. shift to the right and increase O2 unloading capacity from the blood into the tissue

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14
Q

Hypothermia, an abnormal increase in pH and decreased cellular CO2 production will cause the oxygen-hemoglobin disassociation curve to _________________________.

a. shift to the left and decrease O2 loading capacity from the blood into the tissue
b. shift to the left and decrease O2 unloading capacity from the blood into the tissue
c. shift to the right and decrease O2 loading capacity from the blood into the tissue
d. shift to the right and decrease O2 unloading capacity from the blood into the tissue

A

b. shift to the left and decrease O2 unloading capacity from the blood into the tissue

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15
Q

Ventilation and perfusion in the pulmonary circuit must be matched in order to _____________________.

a. maximize CO2 loading capacity from the alveoli into the blood and O2 unloading capacity from the blood into the alveoli
b. maximize O2 loading capacity from the alveoli into the blood and CO2 unloading capacity from the blood into the alveoli
c. maximize O2 unloading capacity from the alveoli into the blood and CO2 loading capacity from the blood into the alveoli
d. reduce O2 loading capacity from the alveoli into the blood and CO2 unloading capacity from the blood into the alveoli

A

b. maximize O2 loading capacity from the alveoli into the blood and CO2 unloading capacity from the blood into the alveoli

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16
Q

Which of the following structures are not found within the conducting division of the respiratory system?

a. secondary/lobar bronchi
b. alveoli
c. left and right primary/main bronchi
d. trachea and carina

A

b. alveoli

17
Q

External respiration takes place ____________________.

a. between the arterial and venous anastomosis of the capillary bed
b. between the nasopharynx and the glottis of the trachea
c. between the conducting division of the respiratory system and the capillaries
d. between the respiratory division of the respiratory system and the capillaries

A

d. between the respiratory division of the respiratory system and the capillaries

18
Q

Carbon dioxide in the blood is primarily transported in the form of ________________.

a. HbCO2 - carbaminohemoglobin
b. HHb - deoxyhemoglobin
c. HbO2 - oxyhemoglobin
d. HCO3- bicarbonate

A

d. HCO3- bicarbonate

19
Q

During internal respiration, carbon dioxide combines with water to form _______________.

a. HCO3 - bicarbonate
b. CAH - carbonic anhydrase
c. HbCO2 - carbaminohemoglobin
d. H2CO3 - carbonic acid

A

d. H2CO3 - carbonic acid

20
Q

During internal respiration H2CO3 (carbonic acid) disassociates into ________________ to keep the reaction moving to the right.

a. HCO3- (bicarbonate) + H+ (hydrogen ion)
b. CO2 + H+ (hydrogen ion)
c. HHb + HCO3 (bicarbonate)
d. HbCO2 (carbaminohemoglobin) + H+ (hydrogen ion)

A

a. HCO3- (bicarbonate) + H+ (hydrogen ion)

21
Q

During external respiration H2CO3 returns to _______________ as the reaction reverses to the left.

a. HCO3- (bicarbonate) + H+ (hydrogen ion)
b. CO2 + H2O
c. HCO3- (bicarbonate) + H2O
d. HbCO2 (carbaminohemoglobin) + HHb (deoxyhemoglobin

A

b. CO2 + H2O

22
Q

What two critical landmarks must be identified in a patient before performing a cricothyrotomy?

a. vocal cords and glottis of the larynx
b. thyroid cartilage and cricothyroid ligament
c. hyoid bone and epiglottis
d. epiglottis and thyroid cartilage

A

b. thyroid cartilage and cricothyroid ligament

23
Q

Phrenic nerve stimulation of the diaphragm creates ____________________.

a. negative intrapulmonary pressure decreasing intrapulmonary volume
b. positive intrapulmonary pressure decreasing intrapulmonary volume
c. negative intrapulmonary pressure increasing intrapulmonary volume
d. positive intrapulmonary pressure increasing intrapulmonary volume

A

c. negative intrapulmonary pressure increasing intrapulmonary volume

24
Q

A patient suffering from pulmonary disease where air gets trapped in the alveoli will present with ____________________.

a. increase O2 saturation
b. decreased residual volume
c. increased ETO2 levels
d. increased exhalation phase of ventilation

A

d. increased exhalation phase of ventilation

25
Q

Internal respiration take place between the ________________________.

a. between the tissue and the capillary bed
b. between the capillary bed and the alveoli
c. between the glottis and the epiglottis
d. between the bronchi and the bronchioles

A

a. between the tissue and the capillary bed