Intrapulmonary pressure must be lower than __________. pressure for inspiration to occur.

Choose the correct answer.

When the diaphragm and external intercostal muscles contract,

(a) exhalation occurs.

(b) intrapulmonary pressure increases.

(c) intrapleural pressure decreases.

(d) the volume of the lungs decreases.

(e) the size of the thoracic cavity increases.

Define and explain the significance of forced vital capacity, forced expiratory volume (FEV), and maximum voluntary ventilation (MVV).

What is forced expiratory volume in 1 second, and why it is clinically important?

Define tidal volume, inspiratory reserve volume, expiratory reserve volume, and residual volume. Define vital capacity, total lung capacity, and forced expiratory vital capacity.

Given the description of the PFT result, choose the PFT that it used to help diagnose the respiratory disorder.

The measurement used in the evaluation of asthma. a. forced vital capacity b. peak expiratory flow rate c. forced expiratory volume in 1 second

What is the role of mucus in the nasal cavity?

During inspiration, intrapulmonary pressure is a. greater than atmospheric pressure. b. less than atmospheric pressure. c. greater than intrapleural pressure. d. less than intrapleural pressure.

Why is the composition of alveolar air different from that of the atmosphere?

The great alveolar cells secrete a phospholipid-protein mixture called __________.

Which of the following is an example of an artificial concept? a. mammals b. a triangle's area c. gemstones d. teachers

Which of the following is an example of a prototype for the concept of leadership on an athletic team?
a. the equipment manager
b. the scorekeeper
c. the team captain
d. the quietest member of the team

A specific formula for solving a problem is called ________.
a. an algorithm
b. a heuristic
c. a mental set
d. trial and error

What is a learning disability?

a. a developmental disorder

b. a neurological disorder

c. an emotional disorder

d. an intellectual disorder