Which is not a consequence of hydrogen ion secretion: (U10)

Potassium imbalances can cause heart dysrhythmias (B7)

Gas exchange between the atmosphere and tissues is necessary because of cellular respiration. (R1)

Decreasing pressure within the thoracic cavity causes air to move _______ the lungs. (R7)

Low potassium is hypocalcemia. (B7)

Identify the number of lobes in the left lung: (R3)

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The ureters carry urine from the bladder to outside the body. (U16)

While on vacation in the Caribbean, your snorkeling instructor advises you to take several deep breaths before diving down below the surface. He tells you that doing this will load extra oxygen into your blood. Why is your instructor incorrect regarding his knowledge of respiratory physiology? (+1) Why would hyperventilating help reduce the urge to breath? (+2)