A&P: Test 2 Chapter 22 Review Questions
Which of the following occurs during the chloride shift
Chloride is exchanged for bicarbonate.
Which of the following anatomical structures is not part of the conducting zone
alveoli
A section of the lung that receives its own tertiary bronchus is called the
bronchopulmonary segment
A full complement of mature alveoli are present by
early childhood, around 8 years of age
Gas exchange that occurs at the level of the tissues is called
internal respiration
The faucets connects which of the following structures to the oropharynx
oral cavity
Which of the following prevents the alveoli from collapsing
residual volume
Which of the following are structural features of the trachea C-shaped cartilage smooth muscle fibers cilia all of the above
C-shaped cartilage
If a baby is born prematurely before type II cells produce sufficient pulmonary surfactant, which of the following might you suspect
Difficulty inflating the lungs
A low partial presssure of oxygen promotes hemoglobin binding to carbon dioxide. This is an example of the
Haldane effect
Gas moves from an area of ____ partial pressure to an area of____ partial pressure
High; low
A decrease in volume leads to an ____pressure
Increase in
The partial pressure of carbon dioxide is 45mm Hg in thr blood and 40mm Hg in the alveoli. What happens to the carbon dioxide
It diffuses into the alveoli
What happens to the fluid that remains in the lungs after birth
It is absorbed shortly after birth.
Gas flow decreases as____ increases
Resistance
The____ circulation picks up oxygen for cellular use and drops off carbon dioxide for removal from the body
Respiratory
Contraction of the external intercoastal muscles causes which of the following to occur
The ribs and sternum move upward
Which of the following factors play a role in the oxygen hemoglobin saturation/dissociation curve Temperature PH BPG All of the above
all of the above
When do fetal breathing movements begin
around week 20
When ventilation is not sufficient, which of the following occurs
capillaries constrict
The olfactory pits form from which of the following
ectoderm
Which of the following stimulates the production of erythrocytes
erythropoietin
Which of the following structures separates the lung into lobes
fissure
Oxyhemoglobin forms by a chemical reaction between
hemoglobin and oxygen
Increased ventilation that results in an increase in blood pH is called ________.
hyperventilation
What is the function of the conchae in the nasal cavity
increase surface area
Which of the following processes does atmospheric pressure play a role in
pulmonary ventilation
Exercise can trigger symptoms of AMS due to which of the following
small venous reserve of oxygen
Which of the following structures is not part of the bronchial tree
terminal bronchioles
What is the role of alveolar macrophages
to remove pathogens and debris
The pressure difference between the intra-alveolar and intrapleural pressures is called
transpulmonary pressure
The pleura that surrounds the lungs consist of two layers, the
visceral and parietal pleurae.
