What is the cardiac output of a person with a stroke volume of 60 mL and a heart rate of 90 beats/min?
A. 2.1 L
B. 4.2 L
C. 5.0 L
D. 5.4 L
Ans: D. 5.4 L
Anatomy & Physiology
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The first event in expiration is
A. inter-alveolar pressure increases. B. air is squeezed out of the lungs. C. elastic tissues of the lungs, thoracic cage, and abdominal organs recoil. D. the diaphragm and external intercostal respiratory muscles relax.
Anatomy & Physiology
Receptor molecules are located
A) only in the nucleus. B) only in the cytosol. C) only on the cell surface. D) only in the outer cell membrane. E) in all of these places.
Anatomy & Physiology
Which of the following is most inferior in location?
A. Pericardial cavity B. Pleural cavity C. Pelvic cavity D. Diaphragm E. Mediastinum
Anatomy & Physiology
Immature bone cells that produce the organic bone matrix are called ______
Fill in the blank(s) with the appropriate word (s).
Anatomy & Physiology