Test Prep NREMT - National Registry Emergency Medical Technician Exam
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Total 221 questions
Question #6 (Topic: Airways and Breathing)
The anatomy of the airway consists of the upper and the lower airway. The upper airway starts at the mouth and Nares and ends at the _________?
A. Thyroid cartilage
B. Epiglottis
C. Cricoid cartilage
D. Vocal cords
Answer: C
Question #7 (Topic: Airways and Breathing)
The tongue often is a source of airway obstruction, it falls back and occludes the _________?
A. Larynx
B. Trachea
C. Nasopharynx
D. Pharynx
Answer: D
Question #8 (Topic: Airways and Breathing)
The lower airway ends at the Alveoli, gas exchange occurs at this level. Oxygen moves to the hemoglobin by passing through a semipermible membrane. Name
this membrane.
this membrane.
A. Capillary bed
B. Bronchioles
C. Capillary blood
D. Veinule
Answer: A
Question #9 (Topic: Airways and Breathing)
To create negative pressure in the thorax (chest cavity) the diaphragm contracts and moves _____________ which expands the volume of the thorax allowing air
to rush into the lungs.
to rush into the lungs.
A. Upward
B. Outward
C. Downward
D. The diaphragm does not move, the chest wall expands.
Answer: C
Question #10 (Topic: Airways and Breathing)
When the diaphragm relaxes it regains it's domed shape causing an increase in thoracic pressure forcing air out of the lungs. To have air forced out of the lungs
the pressure in the thorax must rise above _______________ pressure?
the pressure in the thorax must rise above _______________ pressure?
A. Trans thoracic
B. Atmospheric
C. Trans abdominal
D. Respiratory
Answer: B
