QUESTIONS WITH SOLUTIONS GRADED A+
⩥ Dead air space.
Answer: anatomic dead space are structures that hold air but but can't
participate in gas exchange. Physiologic dead space are alveoli or
capillaries destroyed by disease
⩥ Expiratory reserve volume.
Answer: amount of gas that can be forcefully expired at the end of a
normal expiration
⩥ Inspiratory reserve volume.
Answer: amount of gas that can be forcefully inspired in addition to a
normal breaths tidal volume
⩥ Internal respiration.
Answer: exchange of gases between blood cells and tissues
⩥ Peak expiratory flow.
Answer: the greatest rate of airflow during forced expiration when lungs
are fully inflated
,⩥ Residual volume.
Answer: after maximal forced exhalation, amount of air remaining not
able to be expelled
⩥ Tidal volume.
Answer: amount of air in a respiratory cycle (500 ml, 5-7ml/kg)
⩥ Minute volume.
Answer: amount of gas moved in and out of respiratory tract per minute
⩥ Air trapping.
Answer: a respiratory pattern associated with an obstruction in the
pulmonary tree. Rate increases to overcome resistance.
⩥ Angle of Louis.
Answer: angulation of the sternum that indicates the point where the
second rib joins the sternum. (manubriosternal junction)
⩥ Anoxia.
Answer: total lack of oxygen available to the tissues
⩥ Apnea.
Answer: respiratory arrest
, ⩥ Atelectasis.
Answer: abnormal condition characterized by collapse of alveoli,
preventing exchange of CO2 and O2 in a part of the lungs
⩥ Barrier device.
Answer: thin film of material placed on the patient's face used to prevent
direct contact with the patient's mouth during PPV
⩥ Carina.
Answer: where the trachea divides into right and left bronchi
⩥ Ronchi.
Answer: rattling or rumbling in the lungs. Inspiration and expiration.
Fluid in larger airways and may be cleared from a cough.
⩥ Stridor.
Answer: harsh, high-pitched inspiratory sound best heard over the neck
⩥ Rattles (ronchi).
Answer: inflammation and mucus or fluid in larger airways heard on
inspiration. Associated with bronchitis or pneumonia