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Quiz Respiratory | Lung | Respiratory System

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Quiz Respiratory
  Respiratory 14Mar2009DO NOT DISTRIBUTE - 1 - Respiratory #1 – Histology 1) Which of the following belongs to the respiratory portion of the air passage, not theconduction portion?a) Bronchioles b) Bronchic) Trachead) Larynxe) Pharynx2.1) Which of the following respiratory cell types create mucus?a) Brush cells b) Basal cellsc) Ciliated cellsd) Olfactory cellse) Goblet cells2.2) What type of cells line the vestibular chamber of the nasal cavity?a) Bipolar olfactory neurons b) Pseudostratified columnar c) Ciliated tall columnar d) Stratified squamouse) Small granular cells3) What type of epithelial cell characterizes the larynx and respiratory tract?a) Unciliated pseudostratified squamous b) Ciliated pseudostratified squamousc) Unciliated pseudostratified columnar d) Ciliated pseudostratified columnar e) Brush cells and goblet cells4.1) What type of tracheal cells function as receptor cells as their basal surface is insynaptic contact with afferent nerve endings?a) Ciliated cells b) Mucous cellsc) Brush cellsd) Small granule cellse) Basal cells4.2) The C-shaped cartilaginous layer is a unique feature of which of the following?a) Bronchioles b) Bronchic) Trachead) Larynxe) Pharynx5) Disappearance of what histological layer signifies a change from the bronchi to the bronchioles?a) Mucosa b) Muscularisc) Submucousald) Cartilage platese) Adventitia  Respiratory 14Mar2009DO NOT DISTRIBUTE - 2 -6) Which of the following best describes the epithelial layer of the small bronchioles?a) Simple cuboid epithelium with Clara cells b) Pseudostratified cuboid epithelium with ciliated cellsc) Simple columnar epithelium with Clara cellsd) Pseudostratified columnar epithelium with ciliated cellse) Extensive cartilage plates, especially in smokers7) Which of the following statements is true?a) As bronchiole size decreases, Goblet cells increase b) As bronchiole size decreases, Clara cells decreasec) Clara cell protein (CC16) prevents luminal adhesiond) CC16 is most important during inspiratione) With lung injury, CC16 would increase in bronchoalveolar lavage and decreasein blood serum8) Which of the following respiratory areas is considered transitional between the portions of the air passage?a) Bronchioles b) Bronchic) Trachead) Larynxe) Alveoli9) Which of the following are thin-walled, polyhedral shaped, and are involved directlyin gas exchange?a) Bronchioles b) Bronchic) Trachead) Larynxe) Alveoli10) Which of the following is NOT true regarding type II alveolar cells?a) They produce type I pneumocytes b) They produce type II pneumocytesc) They produce surfactantd) They tend to bulge into air spaces like Clara cellse) They are mostly thin squamous cells11.1) What is the major role of dipalmitoylphosphatidylcholine (DPPC)?a) Increases surface tension b) Reduces surface tensionc) Dilates bronchiolesd) Constricts bronchiolese) Secretes mucus11.2) Which of the following is responsible for surfactant homeostasis as well asmodulating the immune response to viruses, bacteria, and fungi?a) Surface protein A (SP-A) b) Surface protein B (SP-B)c) Surface protein C (SP-C)d) Surface protein D (SP-D)e) DPPC  Respiratory 14Mar2009DO NOT DISTRIBUTE - 3 -12) Which of the following is only present in the thick portion of the air-blood barrier?a) Type I epithelial cells b) Surfactant layer c) Fused basal laminad) Lymph vesselse) Capillary endothelial cell13) Which of the following is NOT true regarding alveolar macrophages?a) They function in the connective tissue of the septum b) They function in the air space of the alveolusc) They phagocytize and digest mycobacterium, preventing re-infectiond) They scavenge particulates such as dust and pollene) They can scavenge red blood cells that enter the alveolus in heart failure14) Which of the following is supplied by the pulmonary circulatory system?a) Left lung parenchyma b) Right lung parenchymac) Bronchiolesd) Bronchie) Alveoli15) The lung has dual lymphatic drainage for the parenchyma and the lung surface.Which of the following is NOT the common lymph drainage pattern of the lung?a) Right inferior lobe toward the right bronchus b) Left inferior lobe toward the left bronchusc) Right superior lobe toward the right bronchusd) Left superior lobe toward the left bronchuse) Left inferior lobe toward the right bronchus16.1) What type of tissue makes up the “Adam’s Apple”?a) Compact bone b) Hyaline cartilagec) Spongy boned) Fibrocartilagee) Elastic cartilage16.2) What cell type is most numerous in olfactory mucosa?a) Basal cells b) Brush cellsc) Olfactory cellsd) Sustentacular cellse) None of the above16.3) In what structure does gas exchange NOT occur?a) Terminal bronchiole b) Respiratory bronchiolec) Alveolar ductd) Alveolar sace) Alveoli16.4) Which of the following is shown here? >>>>>>a) Olfactory mucosa b) Respiratory mucosa  Respiratory 14Mar2009DO NOT DISTRIBUTE - 4 -c) Tracheal cartilaged) Bronchial cartilagee) Alveolar structure16.5) Which of the following is shown here? >>>>>>>>>>>>>>a) Olfactory mucosa b) Respiratory mucosac) Tracheal cartilaged) Bronchial cartilagee) Alveolar structure16.6) Which of the following is shown here? >a) Olfactory mucosa b) Respiratory mucosac) Tracheal cartilaged) Bronchial cartilagee) Alveolar structure16.7) Which of the following is shown here? >>>>>>>>>>>>>a) Olfactory mucosa b) Respiratory mucosac) Tracheal cartilaged) Bronchial cartilagee) Alveolar structure16.8) Which of the following is shown here? >>>>>a) Olfactory mucosa b) Respiratory mucosac) Tracheal cartilaged) Bronchial cartilagee) Alveolar structure Respiratory #2 – Biochemistry 1.1) A child presents with excessively thick secretions and recurrent bacterial infectionsof  S. aureus . The patient complains of copious, odiferous stools. A vitamin A deficiencyis found. Cystic fibrosis (CF), an ____ disorder, is suspected. The most commondiagnostic test for this patient would involve measuring sweat levels of ____.a) Autosomal dominant; Sodium b) Autosomal recessive; Sodiumc) Autosomal dominant; Chlorided) Autosomal recessive; Chloridee) X-linked; Potassium1.2) Which of the following would NOT be used in the management of cystic fibrosis?a) Supplemental pancreatic enzymes b) Supplemental water-soluble vitaminsc) Antibiotic therapyd) Vigorous chest physical therapye) Surgical intervention1.3) A patient presents with signs and symptoms of emphysema. They state that they’vesmoked half of a pack of cigarettes a day for the last 20 years (10 pack years). Physical
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