which of the following is not a function of the respiratory system
it assists in the synthesis of vasodilators
which 2 ligaments extend from the thyroid cartilage to the arytenoids cartilages?
vestibular and vocal ligaments
this structure is about 5 cm long and slightly narrower and more horizontal than the one on the opposite side
compared to any other point on this figure, the highest ventilation perfusion ratio would be found at point
__ states that the total pressure of a gas mixture is equal to the sum of the partial pressure of its individual gases
in a healthy person, which of the following will have the greatest influence on resistance to pulmonary airflow
the amount of air in excess of tidal volume that can be inhaled with maximum effort is called
inspiratory reserve volume
deep, rapid breathing often seen in terminal diabetes mellitus is known as what
tom is in respiratory arrest due to an electrical shock why does a good samaritan have up to 4-5 minutes to begin CPR and save toms life?
a venous reserve of oxygen in toms blood
during exercise, which of the following directly increases respiratory rate
anticipation of the needs of exercising muscle
which of the following would slow down gas exchange between the blood and alveolar air?
increase in membrane thickness
the addition of co2 to the blood generates __ ions in the RBCs which in turn stimulates RBCs to unload more oxygen
normally the systemic arterial blood has PO2 of__ mm Hg and PCO2 of ___ mm Hg and pH of __
95, 40, 7.4
in one passage through a bed of systemic blood capillaries, the blood gives up about what % of its oxygen
which of the following is the term for a deficiency of oxygen or the inability to utilize oxygen in a tissue
__ is a lung disease marked by a reduced number of cilia, reduced motility of the remaining cilia, goblet cell hypertrophy and hypersecretion, and thick sputum
in ___, the lungs are infected with Mycobacterium and produce fibrous nodules around the bacteria, leading to progressive pulmonary fibrosis
which of these is most likely to result from contact between contaminated finger and the nasal mucosa
scuba divers breathe a nitrogen-oxygen mixture rather than compressed oxygen in order to avoid
nitrogen bubbles can form in the blood and tissues when a scuba diver ascends too rapidly, producting a syndrome called
the vagus and glossopharyngeal nerves carry afferent signals from peripheral chemoreceptors to a chemosensitive area in
mucus plays an important role in cleansing inhaled air. it is produced by __ of the respiratory tract
blood banks dispose of blood that has low levels of bisphosphoglycerate. What would be the probable reason for doing so?
Erythrocytes low in BPG do not unload O2 very well
Your breathing rate is 12 breaths/minute; your tidal volume is 500 mL; your vital capacity is 4700 mL; and your dead air space is 150 mL. Your alveolar ventilation rate is ___ mL/min.