Module 5 Test Flashcards
Which of the following is not part of the upper respiratory system?
a. Nose
b. Oral cavity
c. Pharynx
d. Trachea
e. Nasal meatuses
d. Trachea
The conducting zone does NOT act to
a. Clean air of debris
b. Conduct air into the lungs
c. Add water to air
d. Warm air
e. All of the above
e. All of the above
The nose connects with the pharynx through the
a. Septal cartilage
b. External nares
c. Choanae
d. Uvula
e. Nasal meatuses
c. Choanae
Which of the following is a passageway for air, food and water?
a. Pharynx
b. Larynx
c. Paranasal sinuses
d. Trachea
e. Esophagus
a. Pharynx
The opening to the pharynx from the mouth is called
a. Palatine
b. Hypopharynx
c. Meatuses
d. Fauces
e. Vestibule
d. Fauces
This structure prevents food or water from entering the trachea.
a. Arytenoid cartilage
b. Epiglottis
c. Nasopharynx
d. Thyroid cartilage
e. Paranasal sinus
b. Epiglottis
During swallowing, which structure rises?
a. Pharynx
b. esophagus
c. Trachea
d. Palatine tonsils
e. Primary bronchi
a. Pharynx
These are triangular pieces of mostly hyaline cartilage located at the posterior and superior border of the cricoid cartilage.
a. Corniculate cartilage
b. Arytenoids cartilage
c. Cricotracheal cartilage
d. Cuneiform cartilage
e. Laryngeal cartilage
b. Arytenoids cartilage
Pitch is controlled by
a. Vibration of the vocal chords
b. Tension of the vocal chords
c. Layers of cartilage in the vocal chords
d. Arrangement of the vocal chords
e. None of the above
b. Tension of the vocal chords
This is located anterior to the esophagus and carries air to the bronchi.
a. Trachea
b. Larynx
c. Nasopharynx
d. Pharynx
e. None of the above
a. Trachea
This is the primary gas exchange site.
a. Trachea
b. Bronchiole
c. Nasal sinuses
d. Alveolus e. Bronchus
d. Alveolus
Which of the below tissues maintains open airways in the lower respiratory system?
a. stratified squamous epithelium with keratin
b. ciliated pseudostratified columnar epithelium with goblet cells
c. hyaline cartilage
d. mucus membrane
e. bone
c. hyaline cartilage
Which of the below tissues provides the functions of the inner layer of the conducting organs?
a. stratified squamous epithelium with keratin
b. ciliated pseudostratified columnar epithelium with goblet cells
c. cilated cuboidal epithelium with goblet cells
d. transitional epithelium with cilia
e. columnar connective tissue with goblet cells
b. ciliated pseudostratified, columnar epithelium with goblet cells
The point where the trachea divides into right and left primary bronchi is a ridge called
a. Carina
b. Secondary bronchioles
c. Parietal pleura
d. Visceral pleura
e. Diaphragm
a. Carina
Which of the below tissues forms the exchange surfaces of the alveolus?
a. stratified squamous epithelium
b. ciliated pseudostratified columnar epithelium with goblet cells
c. simple squamous epithelium
d. hyaline cartilage
e. columnar connective tissue with goblet cells
c. simple squamous
These are cells of the alveoli that produce surfactant.
a. Type I alveolar cells
b. Type II alveolar cells
c. Type III alveolar cells
d. Surface cells Macrophages
b. Type II alveolar cells
This is direction of diffusion of gases at capillaries near systemic cells.
a. Oxygen into blood , Carbon dioxide into blood
b. Oxygen out of blood , Carbon dioxide into blood
c. Oxygen into blood , Carbon dioxide out of blood
d. Oxygen out of blood , Carbon dioxide out of blood
b. Oxygen out of blood, Carbon dioxide into blood
This is direction of diffusion of gases at the alveoli of the lungs.
a. Oxygen into blood , Carbon dioxide into blood
b. Oxygen out of blood , Carbon dioxide into blood
c. Oxygen into blood , Carbon dioxide out of blood
d. Oxygen out of blood , Carbon dioxide out of blood
c. Oxygen into blood, Carbon dioxide out of blood
Exhalation begins when
a. Inspiratory muscles relax
b. Diaphragm contracts
c. Blood circulation is the lowest
d. Both a and b e. All of the above
a. Inspiratory muscles relax
This means the lungs and the chest wall expand easily.
a. High surface tension
b. Low surface tension
c. High compliance
d. Low compliance
e. None of the above
c. High compliance
The conducting airways with the air that does not undergo respiratory exchange are known as the
a. Inspiratory volume
b. Expiratory reserve volume
c. Minimal volume
d. Residual volume
e. Respiratory dead space
e. Respiratory dead space
This is the sum of the residual and the expiratory reserve volume.
a. Total lung capacity
b. Functional residual capacity
c. Inspiratory capacity
d. Vital capacity e. Minimal volume
b. Functional residual capacity
Which of the following is not a factor that the rate of pulmonary and systemic gas exchange depends on.
a. Partial pressure difference of the gases
b. Surface area for gas exchange
c. Diffusion distance
d. Molecular weight and solubility of the gases
e. Force of contraction of diaphragm
e. Force of contraction of diaphragm
Which is the dominant method of carbon dioxide transport?
a. Bound to hemoglobin
b. Bound to oxygen
c. Dissolved in plasma as a gas
d. Dissolved in plasma as bicarbonate ions
e. Diffusion
d. Dissolved in plasma as bicarbonate ions
When blood pH drops then the amount of oxyhemoglobin _______ and oxygen delivery to the tissue cells ________________.
a. increases, increases
b. Increases, decreases
c. Decreases, increases
d. Decreases, decreases
e. Does not change, does not change
c. Decreases, increases
Which is a factor that does NOT affect hemoglobin’s affinity for oxygen?
a. pH of blood
b. Partial pressure of the oxygen
c. Amount of oxygen available
d. Temperature
e. Respiratory rate
e. Respiratory rate
Which of following processes is the function of the smooth muscle layer of the digestive system?
a) Ingestion
b) Secretion
c) Mixing and propulsion
d) Absorption
e) None of the above
c. Mixing and propulsion
Which of following processes is the primary function of the mouth?
a) Ingestion
b) Secretion
c) Mixing and propulsion
d) Absorption
e) None of the above
a. Ingestion
Which of following processes is the primary function of the villi of the small intestine?
a) Ingestion
b) Secretion
c) Mixing and propulsion
d) Absorption
e) None of the above
d. Absorption
Which of the following accessory organs produces a fluid to soften food?
a) Teeth
b) Salivary glands
c) Liver
d) Gallbladder
e) Pharynx
b. Salivary glands
Which of the following accessory organs produces a fluid that functions to emulsify dietary fats?
a) Teeth
b) Salivary glands
c) Liver
d) Gallbladder
e) Pharynx
c. Liver
Which of the following accessory organs stores bile?
a) Teeth
b) Salivary glands
c) Liver
d) Gallbladder
e) Pharynx
d. Gallbladder
The capability of the GI tract to move material along its length is called
a) Motility
b) Propulsion
c) Digestion
d) Absorption
e) Defecation
a. Motility
This layer of the GI tract is composed of areolar connective tissue containing blood and lymph vessels.
a) Mucosa
b) Lamina propria
c) MALT
d) Musclaris
e) Epithelium
b. Lamina propria
This layer of the GI tract is composed of areolar connective tissue that binds the mucosa to the muscularis.
a) Submucosa
b) Lamina propria
c) Epithelium
d) Serosa
e) None of the above
a. Submuccosa
This layer functions by secreting a lubricating fluid.
a) Serosa
b) Submucosa
c) Muscularis
d) Mucosa
e) MALT
a. Serosa
These are composed of prominent lymphatic nodules that function in the immune response.
a) Mucosa
b) Lamina propria
c) MALT
d) Submucosa
e) Serosa
c. MALT
This plexus is located between the longitudinal and circular smooth muscle layers of the muscularis.
a) ENS
b) Myenteric plexus
c) Submucosal plexus
d) Digestive plexus
e) Absorption plexus
b. Myenteric plexus
Why do emotions such as anger or fear slow digestion?
a) Because they stimulate the parasympathetic nerves supplying the GI tract
b) Because they stimulate the somatic nerves that supply the GI tract
c) Because they stimulate the sympathetic nerves that supply the GI tract
d) They do not affect digestion e) Because all emotions are controlled by the Vagus nerve
c. Because they stimulate the sympathetic nerves that supply the GI tract
This portion of the peritoneum drapes over the transverse colon and coils of the small intestine.
a) Greater omentum
b) Falciform ligament
c) Lesser omentum
d) Mesentery e) Mesocolon
a. Greater omentum
This portion of the peritoneum attaches the liver to the anterior abdominal wall and diaphragm.
a) Greater omentum
b) Falciform ligament
c) Lesser omentum
d) Mesentery
e) Mesocolon
b. Falciform ligament
This portion of the peritoneum is largely responsible for carrying blood and lymph vessels to the intestines.
a) Greater omentum
b) Falciform ligament
c) Lesser omentum
d) Mesentery
e) Mesocolon
e. Mesocolon
The hard palate
a) Is the anterior portion of the roof of the mouth
b) Is formed by the maxillae and palatine bones
c) Is covered by a mucous membrane
d) Both a and b
e) all of the above
e. All of the above
In the mouth, this runs posteriorly to the sides of the pharynx.
a. Uvula
b. Palatoglossal arch
c. Palatopharyngeal arch
d. Parotid glands
e. Sublingual glands
c. Palatopharyngeal arch
In the mouth, the tooth sockets are lined with
a. Gingivae
b. Cementum
c. Periodontal ligament
d. Pulp
e. Root
c. Periodontal ligament
Deciduous molars are replaced by
a) Bicuspids
b) Molars
c) Incisors
d) Canines
e) Wisdom teeth
a. Bicuspids
Which of the following contains skeletal muscle?
a) UES standard abbreviations?
b) LES
c) Serosa
d) Submucosa
e) Periodontal ligament
a. UES standard abbreviations?
How many stages of deglutition are there?
a) 2
b) 3
c) 4
d) 5
e) 8
b. 3
This structure of the stomach allows greater distension for food storage.
a) Cardia
b) Fundus
c) Pylorus
d) Rugae
e) Sphincter
d. Rugae
Which of the following secrete gastric acid?
a) Mucous cells
b) Parietal cells
c) Chief cells
d) Serosa cells
e) Chyme cells
b. Parietal cells
This cell secretes the hormone that promotes production of gastric acid.
a) Neck cell
b) Chief cell
c) G cell
d) Chyme cell
e) Parietal cell
c. G cell
How long can food stay in the fundus before being mixed with gastric juices?
a) 10 minutes
b) 20 minutes
c) 30 minutes
d) 45 minutes
e) 1 hour
e. 1 hour
This major duct carries a fluid rich in bicarbonate ions.
a) Pancreatic duct
b) Hepatopancreatic duct
c) Cystic duct
d) Bile duct
e) Hepatic duct
a. Pancreatic duct
Which of the following gastric enzymes digests proteins?
a) Trypsin
b) Elastase
c) Lipase
d) Pepsin
e) All of the above
d. Pepsin
This is the heaviest gland of the body.
a) Heart
b) Liver
c) Pancreas
d) Large intestine
e) Thyroid
b. Liver
This is found on the liver and is a remnant of the umbilical cord in a fetus.
a) Coronary ligament
b) Falciform ligament
c) Round ligament
d) Kupffer ligament
e) Bile ductules
c. Round ligament
This is the principle bile pigment.
a) Stercobilin
b) Bilirubin
c) Biliverdin
d) Both a and b
e) All of the above
b. Bilirubin
Which of the following is NOT a function of the liver?
a) Conversion of carbohydrates
b) Protein metabolism
c) Storage of bilirubin
d) Phagocytosis
e) Storage of vitamins
c. Storage of bilirubin