Ch 9 Practice Flashcards
Ventilation has ____ phases.
2
Select all of the following that describe inspiration: A. Pressure in lungs decreases B. Pressure in lungs increases C. Rib cage moves up and out D. Diaphragm contracts and moves down.
A. Pressure in lungs decreases
C. Rib cage moves up and out
D. Diaphragm contracts and moves down.
What is the order of structures in from which air enters the body to the terminal location of air in the lungs?
1 Nasal cavity 2 Pharynx 3 Larynx 4 Bronchus 5 Bronchioles 6 Alveoli
What occurs when the respiratory center stops sending nerve signals to the diaphragm and the rib cage?
Muscles relax and expiration occurs
The exchange of gases between air in the alveoli and blood in the pulmonary capillaries is called ________ respiration.
External
Select all of the following that describes the respirator control center:
A. Located in the medulla oblongata
B. Automatically controls depth of breathing
C. Automatically controls rate of breathing
D. Automatically changes osmotic pressure in the tissues
A. Located in the medulla oblongata
B. Automatically controls depth of breathing
C. Automatically controls rate of breathing
Gas exchange that occurs between the tissues of the body and the blood is called:
Internal respiration
Which of the following describes the vocal chords?
A. Vibrates and produces sound
B. Located in larynx
C. Mucosal folds supported by elastic ligaments
D. Pushes food down toward stomach
A. Vibrates and produces sound
B. Located in larynx
C. Mucosal folds supported by elastic ligaments
Sounds are being made by air moving through an opening in the larynx called the ________.
Glottis
The ______ are the smallest compartments of the lungs.
Alveoli
Select all of the following that describes expiration:
A. Pressure in the lungs increases
B. Internal intercostal muscles pull the ribs inward
C. Diaphragm relaxes and moves up
D. Rib cage moves down and in
E. Pressure in the lungs decreases
A. Pressure in the lungs increases
B. Internal intercostal muscles pull the ribs inward
C. Diaphragm relaxes and moves up
D. Rib cage moves down and in
The cartilaginous organ between the pharynx and the trachea, which contains the vocal chords in humans is called the ________.
Larynx
What is the surgical procedure used to make an unblocked breathing passage in the neck?
Tracheostomy
Breathing is under ______ control and ______ control
Nervous, chemical
In what structures does inhaled air complete its path to the lungs?
Alveoli
What is the respiratory passage that leads directly into the lung?
Bronchus
Which of the following are symptoms of sinusitis?
A. Facial pain that worsens when a patient bends forward
B. Postnasal discharge
C. Pan and tenderness usually over the lower forehead
D. Pain and tenderness in the jaw
A. Facial pain that worsens when a patient bends forward
B. Postnasal discharge
C. Pan and tenderness usually over the lower forehead
The windpipe is also called the _____.
Trachea
The bronchi branch and divide into smaller passageways called ______.
Bronchioles
Select all of the following that can cause pneumonia: A. Plants B. Fungi C. Bacteria D. Viruses
B. Fungi
C. Bacteria
D. Viruses
How does the respiratory control center respond when the pH of the blood becomes more acidic?
It increases the rate and depth of breathing
Rank the order of physiological events that occur when you hold your breath, first to last.
- Forced inspiration
- Stretch receptor signaling
- Inhibitory signal to respiratory center
- Signal to inspiration halted
Te portion of the respiratory system that connects the oral cavity to the larynx is the:
Pharynx
Ventilation includes which of the following:
A. Inspiration
B. Transport of gases from tissues to lungs
C. Transport of gases from lungs to tissues
D. Expiration
A. Inspiration
D. Expiration
What is the purpose of cartilage rings in the trachea?
To keep the trachea open; prevents is from collapsing
Which of the following describes chronic bronchitis?
A. Airways are dry or dessicated
B. Airways are inflamed
C. Muscle spasms in the bronchioles
D. Loss of cilia and their normal cleansing action
E. Airways are filled with mucus
B. Airways are inflamed
D. Loss of cilia and their normal cleansing action
E. Airways are filled with mucus
The majority of oxygen is carried through the body bound to _______.
Hemoglobin
A streptococcus pyrogens infection is a common example of a(n) ______ ________ infection.
Upper respiratory
Irritants can cause smooth muscle spasms in the bronchioles called a(n) ______ attack.
Asthma
Air is _____, ______, and ______ as it enters the human respiratory system.
Filtered, warmed, humidified
What volume describes a forced inspiration of the maximum amount of air?
Inspiratory reserve volume
What is the purpose of the hair located in the nasal cavity?
Filter the air
After carbon dioxide diffuses into the blood, most enters the red blood cells, where a small amount is taken up by hemoglobin, forming
Carbaminohemoglobin
What are symptoms of a middle ear infection?
- Sense of fullness
- Vertigo
- Pain
- Hearing loss
The breakdown of carbonic acid to form bicarbonate ions occurs in the _______.
Red blood cells
The two cone-shaped organs on either side of the heart in the thoracic cavity are the ______.
Lungs
The respiratory disorder that permanently decreases the surface area for gas exchange in the lungs is called:
Emphysema
What descriptors define pleurisy? A. Inflammation of bronchioles B. A loss of surface tension C. A bacterial or fungal infection D. Inflammation of the lung membranes E. Painful breathing and coughing
D. Inflammation of the lung membranes
E. Painful breathing and coughing
Which of the following pertains to inflamed, enlarged tonsils? A. Sinusitis B. Otitis media C. Tonsillitis D. Laryngitis
C. Tonsillitis
