A&PII Chapter 22 (Respiratory System)
Contraction of the external intercostal muscles causes which of the following to occur?
The ribs and sternum move upward.
Which of the following are structural features of the trachea?
all of the above
Which of the following anatomical structures is not part of the conducting zone?
alveoli
When do fetal breathing movements begin?
around week 20
A section of the lung that receives its own tertiary bronchus is called the __________.
bronchopulmonary segment
Which of the following occurs during the chloride shift?
chloride is exchanged for bicarbonate
A full complement of mature alveoli are present by ________.
early childhood, around 8 years of age
The olfactory pits form from which of the following?
ectoderm
Which of the following stimulates the production of erythrocytes?
erythropoietin
Which of the following separates the lung into lobes?
fissure
Oxyhemoglobin forms by a chemical reaction between which of the following?
hemoglobin and oxygen
Gas moves from an area of _________ partial pressure to an area of __________ partial pressure.
high; low
Increased ventilation that results in an increase in blood pH is called ________.
hyperventilation
A decrease in volume leads to a(n) __________ pressure.
increase in
What is the function of the conchae in the nasal cavity?
increase surface area
Gas exchange that occurs at the level of tissues is called ____________.
internal respiration
What happens to the fluid that remains in the lungs after birth?
it is absorbed shortly after birth
The fauces connects which of the following structures to the oropharynx?
oral cavity
Which of the following processes does atmospheric pressure play a role in?
pulmonary ventilation
What is the role of the alveolar macrophages?
to remove pathogens and debris
