Straighterline Anatomy and Physiology 2 BIO202 Topic 6: Respiratory System Quiz 2023

Straighterline Anatomy and Physiology 2 BIO202 Topic 6: Respiratory System Quiz 2023 Hello We are a team of experts offering course attendance for all Straighterline, Portage Learning, Sophia etc courses. We also write essays, research papers and school assignments. Should you need any of these services, Contact us via email: or : +1 (908) 954-4829. Guaranteed Passing!  BIO202_MH_V3  Topic 6: Respiratory System Started on Saturday, June 10, 2023, 1:24 PM State Finished Completed on Saturday, June 10, 2023, 1:49 PM Time taken 25 mins 41 secs Grade 40.00 out of 40.00 (100%) Question 1 Correct 2.00 points out of 2.00 Flag question Question text Which of the following statements concerning the larynx is correct? Select one: a. The larynx contains four unpaired cartilages.b. When the glottis closes, air is prevented from leaving the lungs. c. Unlike other portions of the larynx, the epiglottis consists of some bony tissue. d. The inferior laryngeal cartilage is the thyroid cartilage. e. The epiglottis is also called "Adam's apple". Question 2 Correct 2.00 points out of 2.00 Flag question Question text The serous membranes that surround the lungs are called the Select one: a. mucous membranes. b. synovial membranes. c. pleural membranes. d. peritoneal membranes. e. pulmonary membranes. Question 3 Correct 2.00 points out of 2.00 Flag question Question text The respiratory zone of the tracheobronchial tree includes which of the following? Select one: a. trachea b. alveoli c. primary bronchi d. larynx e. tertiary bronchi Question 4Correct 2.00 points out of 2.00 Flag question Question text During swallowing, the opening into the larynx is covered by the Select one: a. epiglottis. b. thyroid cartilage. c. cricoid cartilage. d. arytenoid cartilage. e. the "Adam's apple". Question 5 Correct 2.00 points out of 2.00 Flag question Question text What type of alveolar cells produce surfactant? Select one: a. ciliated simple cuboidal epithelial cells b. Type I pneumocytes c. Type II pneumocytes d. macrophages Question 6 Correct 2.00 points out of 2.00 Flag question Question textThe ventral respiratory group Select one: a. is located in the pons. b. stimulates the intercostal and abdominal muscles. c. is part of the pontine respiratory group. d. is active only in exhalation. e. stimulates the diaphragm. Question 7 Correct 2.00 points out of 2.00 Flag question Question text During inspiration, contraction of the diaphragm causes the volume of Mr. Jones' thoracic cavity to increase and the pleural pressure to decrease. The pressure in his alveoli (Palv) will Select one: a. decrease below atmospheric pressure (PB), causing air to move out of his lungs. b. become greater than atmospheric pressure (PB), causing air to move into his lungs. c. decrease below atmospheric pressure (PB), causing air to move into his lungs. d. become greater than atmospheric pressure (PB), causing air to move out of his lungs. e. does not change. Question 8 Correct 2.00 points out of 2.00 Flag question Question text Which of the following statements is true? Select one: a. As thoracic volume increases, alveolar pressure (Palv) increases. b. In expiration, the thoracic volume increases. c. Constriction of bronchioles assists breathing.d. As alveolar volume increases, alveolar pressure (Palv) decreases. e. Pressure is directly proportional to volume. Question 9 Correct 2.00 points out of 2.00 Flag question Question text The chemosensitive area of the brain is located in the Select one: a. pons. b. cerebral peduncles. c. cerebellum. d. hypothalamus. e. medulla oblongata. Question 10 Correct 2.00 points out of 2.00 Flag question Question text With a respiratory rate of 12 breaths per minute and a tidal volume of 500mL, what would the minute ventilation be? Select one: a. 500 mL per minute b. 41.6 mL per minute c. 600 mL per minute d. 60 liters per minute e. 6 liters per minute Question 11 Correct2.00 points out of 2.00 Flag question Question text The Bohr effect refers to the Select one: a. mechanism involved in diffusion of nitrogen into the blood. b. physical laws governing the solubility of gases in fluids. c. effect of pH on the oxygen-hemoglobin dissociation curve. d. chemical equilibrium between carbonic acid and bicarbonate in the blood. e. effect of temperature on the oxygen-hemoglobin dissociation curve. Question 12 Correct 2.00 points out of 2.00 Flag question Question text A decrease in the surface area of the respiratory membrane will cause the diffusion rate to Select one: a. increase. b. decrease. c. remain unchanged. Question 13 Correct 2.00 points out of 2.00 Flag question Question text Hyperventilation _____ plasma carbon dioxide levels which _____ plasma pH. Select one:a. decreases; decreases b. increases; decreases c. increases; increases d. decreases; increases Question 14 Correct 2.00 points out of 2.00 Flag question Question text During exercise, the oxygen-hemoglobin dissociation curve Select one: a. shifts to the right. b. shifts to the left. c. doesn't shift. Question 15 Correct 2.00 points out of 2.00 Flag question Question text Arrange the following in order from highest to lowest PO2. (1) PO2 of pulmonary veins (2) PO2 of pulmonary artery (3) PO2 of alveolar air Select one: a. 1, 2, 3 b. 2, 1, 3 c. 2, 3, 1 d. 3, 1, 2 e. 3, 2, 1Question 16 Correct 2.00 points out of 2.00 Flag question Question text Which of the following is an effect of aging on the respiratory system? Select one: a. vital capacity is unchanged b. minute ventilation rates increase c. residual volume increases d. gas exchange in the lungs remains unchanged Question 17 Correct 2.00 points out of 2.00 Flag question Question text All of the following are changes seen in the respiratory system with aging, except Select one: a. Decreased vital capacity b. Decreased maximum minute ventilation c. Increased deadspace d. Decreased inspiratory reserve volume e. Decreased lung compliance Question 18 Correct 2.00 points out of 2.00 Flag questionQuestion text Indicate the statement that describes respiratory function in a highly trained athlete at maximal exercise. Select one: a. Unchanged minute ventilation; increased respiratory rate; decreased vital capacity b. Increased residual volume, respiratory rate; decreased alveolar ventilation c. Increased tidal volume, unchanged minute ventilation and alveolar ventilation d. Increased minute ventilation and alveolar ventilation, unchanged tidal volume e. Increased tidal volume, minute ventilation and alveolar ventilation Question 19 Correct 2.00 points out of 2.00 Flag question Question text If you exercise with enough intensity that the blood pH is changed, you have exceeded the _______. Select one: a. aerobic threshold b. acidity point c. base point d. pH threshold e. anaerobic threshold Question 20 Correct 2.00 points out of 2.00 Flag question Question text During exercise, ventilation initially increases due to Select one: a. increased blood carbon dioxide levels stimulating baroreceptors. b. decreased blood oxygen levels stimulating chemoreceptors.c. decreased blood pH levels stimulating baroreceptors. d. limb movements that stimulate the respiratory center. e. abrupt changes in metabolism or blood gases.