At rest the typical partial pressure of CO2 in arterial blood is around 40mmHg, and the ventilation rate is around 15 breathes per minute. During vigorous exercise you wouldexpect the partial pressure of CO2 in the arterial blood towhich would cause the ventilation rate toto compensate and restore homeostasisIncrease; decreaseDecrease; decreaseIncrease; increaseDecrease; increase

The correct answer to this question is option C. i.e. both will increase.

Answered: At rest the typical partial pressure of…

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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In control of ventilation, which of the following is the most important? PCO2 in the blood PO2 in the blood PCO2 in the inspired air O PO2 in the inspired air
The rise of plasma hydrogen ions will cause O Hyperventilation O Has no effect on the respiratory system O Neither hyperventilation or hypoventilation O Both hyperventilation and hypoventilation Hypoventilation
A pilot is flying a commercial, pressurized (760mmHg) airplane at 30,000 feet. If the pilot’s body temperature is normal and the alveolar PO2 is 100 mmHg, which of the following is true? Atrieal PCO2 is 40 mmHgAlveolar PCO2 will be 100 mmHgThe pilot will be polycythemicAlveolar ventilation will be increasedAterial pH will be 7.6
Which of the following promotes inspiration? O A. Intrapulmonary pressure dropping below atmospheric pressure. O B. Intrapulmonary pressure rising above atmospheric pressure. O C. Diaphragm contraction. O D. Diaphragm relaxation. O E. both A and C OF. both B and D O none of the abve
A student undertakes a project to determine the effect of carbon dioxide on respiration rate using the following methodology. A volunteer inhaled air from a bag containing a predetermined amount of carbon dioxide (with partial pressure in torr) and the number of breaths per minute was recorded. Her data are given below: Partial pressure CO2 (torr) Respiration rate (breaths/minute) 30 8.1 32 8.0 34 9.9 36 11.2 38 11.0 40 13.2 42 14.6 44 16.6 46 16.7 48 18.3 50 18.2 Choose the best statistical test for this study. a. Correlation b. Simple Linear Regression c. Non-Linear Regression d. General Linear Model Regression
Draw a graph and Identify (No) write definition: MVV = maximal voluntary ventilation- №o LVV low voluntary ventilation - №o The phases of the respiratory cycle-№o Tidal volume - №o FEV1 = forced expiratory volume in 1 sec - №o VC= Vital Capacity - №o IRV = inspiratory reserve volume - №o ERV = Expiratory Reserve Volume - №o Compare your result with norm and draw a conclusion D H 10
Which of the following is the most important factor regulating the respiratory rate? O A. Bicarbonate concentration of the blood. OB. Concentration of carbaminohemoglobin. OC. Partial pressure of carbon dioxide of the blood. O D. pH of systemic venous blood O E. Oxygen concentration of systemic venous blood
Compare the results for blood oxygen concentration to the results for heart rate and breathing rate. Explain how the observed changes of each parameter are interrelated.
While a subject was exercising vigorously the measurements in the Table were made. All measurements are referenced to BTP. Note that tidal volumewas 1000 ml (not 500 ml) and the breathing rate was 25 breaths/min. Whatwere the subject’s O2 consumption rate and CO2 production rate (ml gas atSTP per minute)?
Which of the following is the label for the Y axis of this oxygen dissociation graph? Choose from following: (A) arterial PO2 (B) alveolar PO2 (C) atmospheric PO2 (D) percent hemoglobin saturation (oxygen) (E) percent hemoglobin saturation (carbon dioxide)
List three ways the respiratory system of an individual might respond to overcome the challenge of hypoxia while travling at high altittude.
State Boyle’s Law and relate this law to the specific sequence of events (muscle contractions/relaxations and pressure/volume changes) causing inspiration and expiration.

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