Final AaaahhhhhHHHHH Flashcards
The external openings to the nasal cavities can be referred to as:
a. nostrils. b. anterior nares. c. external nares. d. all of the above.
d. all of the above.
nostrils, anterior nares, and eternal nares
Which of the following does not distribute air?
a. Nose b. Alveolus c. Trachea d. Bronchus
b. Alveolus
Which of the following is true of the cribriform plate?
a. It separates the internal nose from the mouth. b. It separates the nasal and cranial cavities. c. It forms a midline separation in the nasal cavity. d. It forms the lateral aspects of the nose.
b. It separates the nasal and cranial cavities.
The small openings in the cribriform plate function to:
a. allow air to move between the nostrils. b. allow branches of the olfactory nerve to enter the cranial cavity and reach the brain. c. provide a filtering system for the inspired air. d. do both A and B.
b. allow branches of the olfactory nerve to enter the cranial cavity and reach the brain.
The hollow nasal cavity is separated by a midline partition called the:
a. turbinates. b. septum. c. cribriform plate. d. conchae.
b. septum.
Which of the following is not lined with a ciliated mucous membrane?
a. Primary bronchi b. Posterior nares c. Trachea d. Vestibule
d. Vestibule
The largest of the paranasal sinuses is the:
a. ethmoid. b. maxillary. c. sphenoid. d. frontal.
b. maxillary.
Olfactory epithelium is found:
a. lining the nasopharynx. b. covering the superior turbinate. c. lining the paranasal sinuses. d. in all of the above.
b. covering the superior turbinate.
The anatomical division of the pharynx that is located behind the mouth from the soft palate above to the level of the hyoid bone below is called the:
a. nasopharynx. b. oropharynx. c. sphenopharynx. d. laryngopharynx.
b. oropharynx.
- The lower border of the cavity of the larynx is formed by the:
a. glottis.
b. thyroid cartilage.
c. cricoid cartilage.
d. epiglottis.
c. cricoid cartilage.
- The eustachian tube connects the middle ear with the:
a. nose.
b. nasopharynx.
c. trachea.
d. oropharynx.
b. nasopharynx.
- The approximate length of the trachea, or windpipe, is _____ cm.
a. 5
b. 17
c. 24
d. 11
d. 11
- Which of the following is true of the intrinsic muscles of the larynx?
a. Their origin is the hyoid bone.
b. They move the larynx as a whole.
c. They serve in voice production.
d. Both A and B are correct.
c. They serve in voice production.
- The function of surfactant is to:
a. trap foreign particles as they enter the bronchial tree.
b. transport carbon dioxide from the blood to the air.
c. prevent each alveolus from collapsing as air moves in and out during respiration.
d. transport oxygen from the air to the blood.
c. prevent each alveolus from collapsing as air moves in and out during respiration.
- Which of the following is not a paranasal sinus?
a. Frontal
b. Maxillary
c. Mandibular
d. Sphenoid
c. Mandibular
- Air inhaled through the mouth would be _____ than air inhaled through the nose.
a. warmer
b. dirtier
c. moister
d. All of the above are correct.
b. dirtier
- The cribriform plate is part of the:
a. nasal conchae.
b. ethmoid bone.
c. nasal bone.
d. palatine bone.
b. ethmoid bone.
- Which of the following is not a characteristic of the paranasal sinuses?
a. They are air filled.
b. They are named after the bones in which they are located.
c. They drain or open into the oropharynx.
d. All of the above are true of the paranasal sinuses.
c. They drain or open into the oropharynx.
- Which is the most proximal part of the air distribution system that no longer contains cartilage?
a. Bronchioles
b. Secondary bronchi
c. Primary bronchi
d. Alveolar ducts
a. Bronchioles
- Which pair of tonsils is located in the oropharynx?
a. Pharyngeal tonsils
b. Palatine tonsils
c. Lingual tonsils
d. Both B and C
d. Both B and C
Lingual tonsils & Palatine tonsils
- Which describes the role of surfactant in the respiratory system?
a. Surfactant provides a layer of protective mucus that covers a large portion of the membrane that lines the respiratory tree, thereby purifying the air during inhalation.
b. Surfactant helps reduce surface tension within the alveoli, thus preventing each alveolus from collapsing as air moves in and out during respiration.
c. Surfactant helps increase surface tension within the alveoli, thus preventing each alveolus from collapsing as air moves in and out during respiration.
d. Surfactant helps increase surface area, which increases the rate of gas exchange within the alveoli.
b. Surfactant helps reduce surface tension within the alveoli, thus preventing each alveolus from collapsing as air moves in and out during respiration.
- The upper respiratory tract includes all of the following structures, except:
a. Nasal conchae
b. Primary bronchi
c. Oropharynx
d. Nasopharynx
b. Primary bronchi
- Which of the following is not a function of the larynx?
a. Important for vocalization of sounds
b. Prevents food from entering lower airways
c. Common pathway for respiratory and digestive tracts
d. Filters, warms, humidifies air
c. Common pathway for respiratory and digestive tracts
- The structure known as the “Adam’s apple”, which is located in the neck, is also known as:
a. Epiglottis
b. Cricoid cartilage
c. Arytenoid cartilage
d. Thyroid cartilage
d. Thyroid cartilage
- The smallest branches of the bronchial tree are:
a. Primary bronchi
b. Secondary bronchi
c. Tertiary bronchi
d. Bronchioles
d. Bronchioles
The function of surfactant is to:
a. Transport the oxygen from the air to the blood
b. Transport the carbon dioxide from the blood to the air
c. Prevent each alveolus from collapsing as air moves in and out during respiration
d. Trap foreign particles as they enter the bronchial tree
c. Prevent each alveolus from collapsing as air moves in and out during respiration
Which of the following structures is (are) part of the conducting zone?
a. Alveolar ducts
b. Alveolus
c. Terminal bronchioles
d. None of the structures listed above are part of the conducting zone
c. Terminal bronchioles
The route for normal air exchange through the respiratory system is:
a. Nose, larynx, oropharynx, trachea, bronchi, alveoli
b. Nose, oropharynx, larynx, trachea, bronchi, bronchioles, alveoli
c. Nose, epiglottis, pharynx, trachea, bronchioles, alveoli
d. Nose, larynx, pharynx, trachea, bronchioles, bronchi, alveoli
b. Nose, oropharynx, larynx, trachea, bronchi, bronchioles, alveoli
Which muscles are used for forced expiration?
a. Sternocleidomastoid and intercostals b. Abdominal muscles and internal intercostals c. External intercostals and pectoralis muscles d. Sternocleidomastoid and abdominal muscles
b. Abdominal muscles and internal intercostals
The vital capacity is equal to the sum of the:
a. inspiratory reserve volume, tidal volume, and inspiratory capacity. b. inspiratory capacity and the residual volume. c. inspiratory reserve volume, tidal volume, and expiratory reserve volume. d. tidal volume, residual volume, and expiratory reserve volume.
c. inspiratory reserve volume, tidal volume, and expiratory reserve volume.
- The term used to describe the volume of air exchanged during normal inspiration and expiration is:
a. vital capacity.
b. inspiratory and expiratory reserve volume.
c. residual volume.
d. tidal volume.
d. tidal volume.
- If the tidal volume of a given individual is 500 ml, then the anatomical dead space is approximately _____ ml.
a. 100
b. 200
c. 50
d. 150
d. 150
A type of breathing characterized by gradually increasing tidal volume for several breaths followed by several breaths with gradually decreasing tidal volume is:
a. Biot breathing. b. apnea. c. dyspnea. d. Cheyne-Stokes respiration.
d. Cheyne-Stokes respiration.
Which of the following will cause brief apnea?
a. Sudden painful stimulus b. Increase in carbon dioxide in the blood c. Sudden cold stimulus applied to the skin d. Both A and C
d. Both A and C
Sudden painful stimulus & Sudden cold stimulus applied to the skin
The tendency of the thorax and lungs to return to the preinspiration volume is called:
a. compliance. b. elastic recoil. c. ventilation. d. expiration.
b. elastic recoil.
The inspiratory center is located in what part of the nervous system?
a. Cerebellum b. Pons c. Medulla d. Cerebrum
c. Medulla
- The apneustic center is located in what part of the nervous system?
a. Pons
b. Cerebellum
c. Cerebrum
d. Medulla
a. Pons
Which explains the relationship between the gas pressure gradient of the atmosphere and the alveolar air that allows inhalation?
a. When atmospheric pressure is less than the pressure within the lung, air flows up this gas pressure gradient. Then air moves from the atmosphere into the lungs. b. When atmospheric pressure is greater than the pressure within the lung, air flows away from this gas pressure gradient. Then air moves from the lungs out into the atmosphere. c. When atmospheric pressure is greater than the pressure within the lungs, air flows down this gas pressure gradient. Then air moves from the atmosphere into the lungs. d. When atmospheric pressure is less than the pressure within the lung, air flows down this gas pressure gradient. Then air moves from the atmosphere into the lungs.
c. When atmospheric pressure is greater than the pressure within the lungs, air flows down this gas pressure gradient. Then air moves from the atmosphere into the lungs.
- Which of the following would you expect to happen to cellular respiration during exercise?
a. Increased cellular respiration occurs during exercise, causing a decrease in plasma PCO2, which is detected by central chemoreceptors in the brain and perhaps peripheral chemoreceptors in the carotid sinus and aorta to cause a decrease in respiration rate.
b. Exercise causes a decrease in cellular respiration by shifting peripheral chemoreceptors in the heart to cause retention of oxygen.
c. Increased cellular respiration occurs during exercise, causing a rise in plasma PCO2, which is detected by central chemoreceptors in the brain and perhaps peripheral chemoreceptors in the carotid sinus and aorta to cause an increase in respiration rate.
d. Decreased cellular respiration occurs during exercise, causing a rise in plasma PCO2, which is detected by central chemoreceptors in the brain and perhaps peripheral chemoreceptors in the carotid sinus and aorta to cause a decrease in respiration rate.
c. Increased cellular respiration occurs during exercise, causing a rise in plasma PCO2, which is detected by central chemoreceptors in the brain and perhaps peripheral chemoreceptors in the carotid sinus and aorta to cause an increase in respiration rate.
- Hypoventilation is characterized by low levels of carbon dioxide.
True
False
False
- As lung compliance decreases, the efficiency of respiration increases.
True
False
False
A collapsed lung has no air in it and will sink if placed in water.
True
False
False
- Chronic obstructive pulmonary disease (COPD) is a broad term used to describe conditions of progressive obstruction of expiratory airflow.
True
False
True
Peak flow can be measured by a simple, handheld spirometer.
True
False
True
Pulmonary ventilation refers to the:
a. Movement of air into and out of the lungs
b. Mechanical device to assist with pulmonary function
c. The process of gas exchange within the lungs
d. The process by which air moves from an area of low pressure to an area of high pressure between the atmosphere and the lungs
a. Movement of air into and out of the lungs
During expiration the diaphragm:
a. Ascends, decreasing the thoracic cavity and decreasing thoracic pressure
b. Descends, decreasing the thoracic cavity and decreasing thoracic pressure
c. Descends, increasing the thoracic cavity and decreasing thoracic pressure
d. Ascends, decreasing the thoracic cavity and increasing thoracic pressure
d. Ascends, decreasing the thoracic cavity and increasing thoracic pressure
Which of the following which would have the highest partial pressure of oxygen?
a. Rapidly contracting skeletal muscle fibers
b. Alveolar air immediately after inhalation
c. Blood flowing to the lung from the right side of the heart
d. Blood returning to the heart from the tissue cells
b. Alveolar air immediately after inhalation
- An increased carbon dioxide content of blood results in:
a. An increased oxygen concentration in the red blood cell
b. Decreased blood pH
c. Increased blood pH
d. Both A and B
b. Decreased blood pH
- By the time the blood leaves the lung capillaries to return to the heart, approximately what percentage of the blood’s hemoglobin has united with oxygen?
a. 40%
b. 60%
c. 80%
d. 100%
d. 100%
Which of the following is not a way oxygen is transported in the blood?
a. As oxyhemoglobin
b. Combined with a bicarbonate ion
c. Dissolved in the plasma
d. All of the above are used to transport oxygen in the blood
b. Combined with a bicarbonate ion
The most important factor in determining the percent oxygen saturation of hemoglobin is:
a. The partial pressure of oxygen
b. Acidity
c. The partial pressure of carbon dioxide
d. Temperature
a. The partial pressure of oxygen
The tendency of the thorax and lungs to return to the pre-inspiration volume is called:
a. Compliance
b. Elastic recoil
c. Expiration
d. Ventilation
b. Elastic recoil
- The characteristic of stretch in pulmonary tissues to allow full inspiration is called
a. Compliance
b. Elastic recoil
c. Expiration
d. Ventilation
a. Compliance
- Which CNS areas influence rate and depth of respiration
a. Medulla oblongata
b. Cerebral cortex
c. Pons
d. All of the above
d. All of the above
Medulla oblongata, Cerebral cortex, Pons
Which of the following statements regarding gas exchange in the lungs is correct?
a. PO2 of alveolar air is less than the PO2 of incoming blood; oxygen diffuses down its pressure gradient into blood
b. PO2 of alveolar air is greater than the PO2 of incoming blood; oxygen diffuses up its pressure gradient into blood
c. PO2 of alveolar air is greater than the PO2 of incoming blood; oxygen diffuses down its pressure gradient into blood
d. PO2 of alveolar air is less than the PO2 of incoming blood; oxygen diffuses up its pressure gradient into blood
c. PO2 of alveolar air is greater than the PO2 of incoming blood; oxygen diffuses down its pressure gradient into blood
Amount of air exhaled after normal inspiration
A. Inspiratory capacity E. Inspiratory reserve volume
B. Tidal volume F. Functional residual capacity
C. Residual volume G. Total lung capacity
D. Expiratory reserve volume H. Vital capacity
B. Tidal volume
Amount of air that can be forcibly inhaled after normal inspiration (approx. 3.3 liters)
A. Inspiratory capacity E. Inspiratory reserve volume
B. Tidal volume F. Functional residual capacity
C. Residual volume G. Total lung capacity
D. Expiratory reserve volume H. Vital capacity
E. Inspiratory reserve volume
Amount of air that cannot be forcibly exhaled (approx. l.2 liters)
A. Inspiratory capacity E. Inspiratory reserve volume
B. Tidal volume F. Functional residual capacity
C. Residual volume G. Total lung capacity
D. Expiratory reserve volume H. Vital capacity
C. Residual volume
The sum of all four lung volumes, the total amount of air a lung can hold
A. Inspiratory capacity E. Inspiratory reserve volume
B. Tidal volume F. Functional residual capacity
C. Residual volume G. Total lung capacity
D. Expiratory reserve volume H. Vital capacity
G. Total lung capacity
IRV + TV + ERV; depends on multiple factors, including the size of the thoracic cavity and posture
A. Inspiratory capacity E. Inspiratory reserve volume
B. Tidal volume F. Functional residual capacity
C. Residual volume G. Total lung capacity
D. Expiratory reserve volume H. Vital capacity
H. Vital capacity
Amount of air at the end of a normal respiration
A. Inspiratory capacity E. Inspiratory reserve volume
B. Tidal volume F. Functional residual capacity
C. Residual volume G. Total lung capacity
D. Expiratory reserve volume H. Vital capacity
F. Functional residual capacity
Largest volume of additional air that can be forcibly exhaled (approx. l – l.2 liters)
A. Inspiratory capacity E. Inspiratory reserve volume
B. Tidal volume F. Functional residual capacity
C. Residual volume G. Total lung capacity
D. Expiratory reserve volume H. Vital capacity
D. Expiratory reserve volume
Maximal amount of air that can be inspired after a normal expiration
A. Inspiratory capacity E. Inspiratory reserve volume
B. Tidal volume F. Functional residual capacity
C. Residual volume G. Total lung capacity
D. Expiratory reserve volume H. Vital capacity
A. Inspiratory capacity
May result from an upper respiratory tract infection traveling through the eustachian tube to the middle ear A. Laryngitis E. Acute bronchitis B. Pneumonia F. Sleep apnea C. Rhinitis G. Tuberculosis D. Pharyngitis H. Otitis media
H. Otitis media
Cold, flu and allergens may cause this condition; rest, antihistamines and decongestants may help manage or eliminate it A. Laryngitis E. Acute bronchitis B. Pneumonia F. Sleep apnea C. Rhinitis G. Tuberculosis D. Pharyngitis H. Otitis media
C. Rhinitis
Acute inflammation of the tracheobronchial tree; usually caused by infection and accompanied by cough and malaise A. Laryngitis E. Acute bronchitis B. Pneumonia F. Sleep apnea C. Rhinitis G. Tuberculosis D. Pharyngitis H. Otitis media
E. Acute bronchitis
Infection, smoking and alcohol use may be the cause of the condition resulting in vocal fold edema A. Laryngitis E. Acute bronchitis B. Pneumonia F. Sleep apnea C. Rhinitis G. Tuberculosis D. Pharyngitis H. Otitis media
A. Laryngitis
Cessation of breathing that may result in fatigue, irritability and decreased concentration due to chronic hypoxia A. Laryngitis E. Acute bronchitis B. Pneumonia F. Sleep apnea C. Rhinitis G. Tuberculosis D. Pharyngitis H. Otitis media
F. Sleep apnea
May be due to viral or bacterial infection and be accompanied by dysphagia A. Laryngitis E. Acute bronchitis B. Pneumonia F. Sleep apnea C. Rhinitis G. Tuberculosis D. Pharyngitis H. Otitis media
D. Pharyngitis
Acute inflammation of the lungs caused by bacteria, viruses and fungi A. Laryngitis E. Acute bronchitis B. Pneumonia F. Sleep apnea C. Rhinitis G. Tuberculosis D. Pharyngitis H. Otitis media
B. Pneumonia
Highly contagious and infectious disease transmitted in the air; associated with cough, chest pain and weight loss A. Laryngitis E. Acute bronchitis B. Pneumonia F. Sleep apnea C. Rhinitis G. Tuberculosis D. Pharyngitis H. Otitis media
G. Tuberculosis
- The walls of the GI tract are composed of ____ layers of tissue.
a. two
b. four
c. five
d. three
b. four
- All of the following are classified as accessory organs of the digestive system except the:
a. liver.
b. pancreas.
c. mouth.
d. tongue.
c. mouth.
- Which of the following organs has a mucosa layer composed of stratified squamous epithelium that resists abrasion?
a. Esophagus
b. Large intestine
c. Stomach
d. Small intestine
a. Esophagus
- The flap of tissue suspended from the midpoint of the posterior border of the soft palate is the:
a. uvula.
b. gingiva.
c. fauces.
d. frenulum.
a. uvula.
- The type of tissue designed for absorption and secretion found throughout much of the GI tract is _____ epithelium.
a. stratified squamous
b. simple columnar
c. pseudostratified
d. simple squamous
b. simple columnar
- An incision into the wall of the GI tract would cut, in order, from superficial to deep:
a. serosa, muscularis, submucosa, and mucosa.
b. serosa, submucosa, muscularis, and mucosa.
c. muscularis, submucosa, mucosa, and serosa.
d. mucosa, submucosa, muscularis, and serosa.
a. serosa, muscularis, submucosa, and mucosa.
- A permanent set of teeth normally consists of _____ teeth.
a. 36
b. 32
c. 26
d. 30
b. 32
- Hydrochloric acid is released from cells in the:
a. stomach.
b. pancreas.
c. small intestine.
d. large intestine.
e. All of the above are correct.
a. stomach.
- Which of the following is not associated with the large intestine?
a. Appendix
b. Transverse colon
c. Cecum
d. Pyloric sphincter
d. Pyloric sphincter
- The myenteric plexus is found in which layer of the GI wall?
a. Serosa
b. Muscularis
c. Mucosa
d. Submucosa
b. Muscularis
- Which of the following is not an anatomical part of the small intestine?
a. Duodenum
b. Ileum
c. Jejunum
d. Cecum
d. Cecum
- Which of the following structures is anatomically the longest?
a. Esophagus
b. Duodenum
c. Jejunum
d. Ileum
d. Ileum