deep, rapid breathing often seen in terminal diabetes mellitus is known as what
a gangrenous diabetic ulcer can be treated with which of the following
CO2 is transported by all the following means except
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
which of the following has no effect on oxyhemoglobin dissociation
which has the highest concentration in the air we breathe
each hemoglobin molecule can transport up to __ oxygen molecules
normally the systemic arterial blood has PO2 of__ mm Hg and PCO2 of ___ mm Hg and pH of __
95, 40, 7.4
which of the following enzymes in an RBC breaks H2CO3 down to water and CO2
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
congestive heart failure results in which of the following
__ 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
which of the following would lead to anemic hypoxia
a lung disease marked by abnormally few but large alveoli is
in ___, the lungs are infected with Mycobacterium and produce fibrous nodules around the bacteria, leading to progressive pulmonary fibrosis
which malignancy originates in the lamina propria of the bronchi
polio can sometimes damage the brainstem respiratory centers and result in
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
the blood transports more CO2 in the form of __ than in any other form
among its other purposes, the Valsalva maneuver is used
to aid in defecation and urination
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.
Your breathing rate is 14 breaths/minute; spirometric measurements reveal your tidal volume is 500 mL; your inspiratory reserve volume is 3000 mL; and your expiratory reserve volume is 1,200 mL. Your vital capacity is ____ mL.