There are some unique features that should be considered when completing a nutrition assessment for a geriatric patient. Which of the following are major considerations?

You climbing a mountain, and at your location, the air pressure is 600 mm Hg. You huddle with your friends in a cave, the carbon dioxide builds up to 10%. What is the PCO2 in the air? 

A patient loses more than a liter of blood. You would expect that….

Which of the following processes demonstrates a plateau in influx across the cell membrane when plotted against the concentration gradient for the molecule?

Color vision depends on:

Patient G has recently lost endurance. She has high ventilation and high heart rate at rest. Her exhaled, alveolar PO2 and arterial PO2 and PCO2 values are all normal, as is her hemoglobin percent saturation. Venous PO2 is very low. The most likely cause of her symptoms is:

Which of the following can act as a diuretic? 

Choose the TRUE statement about digestion.

How would removal of Na+ outside the neuron affect an action potential? (Assume the action potential is tested quickly after the Na+ is removed).

Choose the TRUE statement about hearts across the animal kingdom.