Resting muscles or muscles involved in long-term exercise primarily use ______ for ATP production.

Which of the following statements regarding erection is false?

A) It involves parasympathetic stimulation. B) Vascular channels in the erectile tissue become engorged with blood. C) Dilation of penile arteries occurs. D) It involves nitric oxide production by neurons. E) It is commonly the result of plaque in the blood vessels of the penis.

Superior phrenic arteries supply the ______ and emerge from the _____

A.   diaphragm; descending abdominal aorta B.   diaphragm; descending thoracic aorta C.   stomach; descending abdominal aorta D.   pancreas; descending abdominal aorta E.   esophagus; descending thoracic aorta

The greatest decrease in ventricular pressure occurs at this time.

A. Isovolumetric contraction B. Isovolumetric relaxation C. Ventricular systole D. Ventricular filling

The energy content of foods is commonly given in units of

A) ATP units. B) carbohydrate. C) grams (also, g, or gms). D) kilocalories (also, kcal or Cal). E) degrees Celsius.