Are you good at biology? Let’s answer these questions. Thank you!!!
116. When the diaphragm contracts, the pressure in the thoracic cavity:
A. increases
B. decreases
C. stays the same
117. The rate of breathing is chiefly dependent on chemical factors in the blood, and the most important chemical concentration is:
A. oxygen
B. hydrogen ions
C. hemoglobin
D. nitrogen
118. How is most carbon dioxide transported by the blood?
A. inside the red blood cells
B. outside the RBCs as the bicarbonate ion
C. inside the RBCs as carbaminohemoglobin
D. as freely dissolved gas in plasma
119. Hemoglobin is useful because it:
A. transports oxygen
B. transports carbon dioxide
C. helps act as a buffer to maintain a stable pH
D. All of the choices are correct.
120. Which of the following diseases is caused by exposure to particles inhaled primarily in the workplace? (Examples: silica, coal dust, and asbestos):
A. emphysema
B. pneumonia
C. rheumatic fever
D. tuberculosis
E. pulmonary fibrosis
121. Some inhaled air never reaches the lungs. Instead it fills the nasal cavities, trachea, and bronchi. These passages are referred to as:
A. tidal volume spaces
B. dead air spaces
C. vital capacity spaces
D. residual volume space
122. Which of the following is NOT an obstructive pulmonary disorder?
A. chronic bronchitis
B. emphysema
C. asthma
D. pulmonary fibrosis
123. Hypoventilating is:
A. breathing at an increased rate
B. breathing at a decreased rate
124. Acidosis can result from hypoventilation. This means:
A. a higher pH in the blood
B. a lower pH in the blood
C. a neutral pH in the blood.
125. A pneumonectomy includes removal of:
A. infected pharyngeal tissue
B. cancerous lung tissue
C. cancerous sinus tissue
D. infected adenoids and tonsils
kdavani
June 9, 2010 at 11:19 am
Wow, maybe you should do your own homework/take home exam?? At least TRY to find the answers to these before you post a whole assignment online. This is no way to learn
James
June 9, 2010 at 11:45 am
116. When the diaphragm contracts, the pressure in the thoracic cavity:
C
117. The rate of breathing is chiefly dependent on chemical factors in the blood, and the most important chemical concentration is:
A
118. How is most carbon dioxide transported by the blood?
B
119. Hemoglobin is useful because it:
D
120. Which of the following diseases is caused by exposure to particles inhaled primarily in the workplace? (Examples: silica, coal dust, and asbestos):
E
121. Some inhaled air never reaches the lungs. Instead it fills the nasal cavities, trachea, and bronchi. These passages are referred to as:
C
122. Which of the following is NOT an obstructive pulmonary disorder?
B
123. Hypoventilating is:
A
124. Acidosis can result from hypoventilation. This means:
C
125. A pneumonectomy includes removal of:
B