Exam 9: The Respiratory System

Which of the following help(s) comprise the defense system of the nose? 1) Clearance of foreign matter by ciliary action 2) Gross filtration by the large hairs of the nasal vestibule 3) Impaction of particulate foreign matter on the nasal mucosa 4) Laminar flow through the concha

Which of the following are the primary functions of the nasal cavity? 1) Conduction of gases 2) Filtration and defense 3) Gas exchange 4) Heat and humidify

Which of the following statements about the terminal bronchioles is true?

The upper respiratory tract traditionally ends at what point?

By which of the following routes does blood flow through the umbilical cord between the placenta and the fetus?

The subdivisions of the pharynx include which of the following? 1) Nasopharynx 2) Oropharynx 3) Laryngopharynx

Which of the following is an index commonly used to determine relative lung maturity?

Which of the following statements describes a normal adult lung?

What type of flow is seen in and beyond the terminal bronchioles?

The fetus is potentially viable if born at the end of which stage of development?

What could the "effort closure" of the larynx facilitate?

What is the name given to the action produced by the forward stroking of millions of cilia?

What determines the airway diameter in the normal lung?

Why is the left lung narrower than the right lung?

What type of alveolar cells cover over 90% of the surface area of the alveolar-capillary membrane?

How would lung perfusion in a "zone 1" area best be described?

What is the function of the thorax?

The fetus is potentially viable if born prematurely after how many weeks of gestation?

Developmental morphogenesis of the human respiratory system can be categorized into:

What is the leaf-shaped cartilage that extends from the base of the tongue and is attached by ligaments to the thyroid cartilage?