Answered: choose the correct mcqs 1. Hematocrit…

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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choose the correct mcqs 1. Hematocrit is the percentage of ________ in blood? a) Virus b) Erythrocytes c) Bacteria d) Fungi 2. Which of the following statements is true about involuntary breathing? a) It is controlled by the bronchioles b) It is controlled by the pulmonary arterioles c) It is controlled by the alveolar-capillary network d) It is controlled by the neurons, located in the medulla and pons 3. Normal hematocrit value is ______ a) 25% b) 43% c) 65% d) 80% 4. Maximun Heart rate can be calculated by a) 220-age b) 250-age c) 220-height d) 250-height e) 220-weight f) 250-weight 5. The maximum volume of air contained in the lung by a full forced inhalation is called _________. a) Tidal volume b) Vital capacity c) Ventilation rate d) Total lung capacity 6. Splanchnic blood flow is the blood to the a) Brain b) Muslces c) Spinal cord d) Abdominal viscera’s e) Peripheral Nerves 7. Respiratory Zone consist of a) Nose b) Trachea c) Alveoli d) Bronchial Tree 8. Which of the following is true? a) Inspiration is passive, expiration is active b) Both Inspiration and Expiration are passive c) Inspiration is Active, Expiration is Passive d) Both Inspiration and Expiration are active 9. Which of the following is the function of the trachea? a) Gaseous Exchange b) Filters the air we breathe c) Exhales the air from the body d) All of the above 10. The movement of molecules along a passageway due to a pressure difference between the two ends of the passageway? a) Transport b) Diffusion c) Bulk flow d) Airflow 11. Which of the following is not the muscle of inspiration? a) SCM b) Scalene c) Rectus abdominals d) Diaphragm 12. Vgas=A/T x D x (P1-P2), this equation is known as a) Dalton’s Law b) Fick’s Law c) Morgan’s Law d) None of the above 13. A decrease in PH results in _____ shift of Oxygen Hemoglobin dissociation curve? a) Upward b) Leftward c) Rightward d) Downward 14. Carbaminohemoglobin is hemoglobin with _____ a) Nitrogen b) Oxygen c) Carbon mono oxide d) Carbon Dioxide 15. Diaphragm is supplied by ________ Nerve a) Vagus Nerve b) Accessory Nerve c) Phrenic nerve d) Cardioaccelerator Nerve

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