Assume that the heart is beating at 70 beats per minute. What is the approximate length of the cardiac cycle?

A) 0.80 sec B) 0.86 sec C) 0.75 sec D) 0.92 sec


Answer: B

Anatomy & Physiology

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A complete atom is electrically neutral because

A. the number of protons equals the number of neutrons. B. the number of electrons equals the number of protons. C. the number of electrons is greater than the number of protons. D. the number of electrons equals the number of neutrons.

Anatomy & Physiology

The most superior portion of the lung is called the

A) base. B) apex. C) cardiac notch. D) hilus. E) epipleurium.

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In adults, yellow marrow is located ________.

in the medullary cavity of long bones primarily in flat bones in the central canals of osteons in the epiphyseal plates of long bones

Anatomy & Physiology

A decrease in arterial PO2 stimulates increased ventilation by causing increased firing of action potentials in the afferent neurons from the carotid and aortic body chemoreceptors

Indicate whether the statement is true or false.

Anatomy & Physiology