Deck 9: The Gastrointestinal System

Question 1

You are explaining to a friend about the tiny air sacs in the lungs where exchange of gases occurs in respiration. What are these sacs called?

A) Bronchi
B) Bronchioles
C) Alveoli
D) Pleura

Answer 1

C

Question 2

Which of the following events occur during inspiration (inhalation)? Select all that apply.

A) Diaphragm contracts and flattens.
B) Chest capacity increases.
C) Ribcage muscles relax.
D) Air is sucked in.
E) Pressure in the lungs increases.

Answer 2

A, B, D

Question 3

Which of the following best describes what occurs in internal respiration?

A) The exchange of oxygen from the air with carbon dioxide from the blood
B) The exchange of oxygen from the blood and carbon dioxide from the tissue
C) The drawing of air into the lungs as a result of increase in the size of the thoracic cavity
D) The expulsion of air from the lungs as a result of a decrease in the size of the thoracic cavity

Answer 3

B

Question 4

Which of the following are age-related changes in the respiratory system? Select all that apply.

A) Lungs decrease in size and elasticity.
B) The cough reflex becomes more sensitive.
C) Alveoli enlarge, decreasing surface area available for gas exchange.
D) The vocal cords thin, producing a higher pitch in voice.
E) Production of mucus is increased.

Question 5

Your Uncle Mel, who is 75 years old, complains of feeling tired all the time. You can tell that he has lost weight recently and appears apathetic and depressed. His wife tells you that he has had a low-grade fever for several months and an occasional cough. Which age-related disorder of the respiratory system do you think is most likely in Mel, based on these symptoms?

A) Emphysema
B) Chronic bronchitis
C) Pulmonary tuberculosis
D) Asthma

Question 6

Which of the following are symptoms that older adults with pneumonia commonly exhibit that are different from those exhibited by younger persons with pneumonia? Select all that apply.

A) Confusion
B) Chest pain
C) Lethargy
D) Weakness
E) High fever

Question 7

You are a nurse who is preparing to teach a class on prevention of respiratory disease at a local senior center. List some of the key recommendations that you would include in such a class.