Which bronchus is about 5cm long and slightly narrower and more horizontal than the one on the opposite side?
A) Right segmental bronchus
B) Right lobar bronchus
C) Left main bronchus
D) Right main bronchus
E) Left segmental bronchus
C
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A component of an important buffer in the human body is
A) HCl. B) HCO3-. C) H2O. D) NaCl. E) H+.
If a person is breathing 12 times per minute and the tidal volume is 500 ml, what is the alveolar ventilation rate?
a. 0 mL/min b. 4200 mL/min c. 5250 mL/min d. 6000 mL/min
Which of the following is NOT true of the bipolar method of recording the EEG?
A. The 2 main recording electrodes detect the movement of ions in the extracellular fluid of the cerebral cortex. B. The 2 main electrodes are placed on opposite sides of the head. C. The ground electrode is used as a reference point for the body's baseline voltage. D. The electrical potential difference is measured between the 2 main recording electrodes. E. All of these are true of the bipolar method of recording the EEG.
Senescence begins at different ages and progresses at different rates in different organ systems
Indicate whether the statement is true or false