Which of the following is a dietary antioxidant?
A) vitamin C
B) vitamin E
C) carotenes
D) all of the above
Answer: D) all of the above
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Which is characteristic of cartilage connective tissue?
A. Gel-like ground substance B. Matrix of protein fibers C. Cells called chondrocytes D. Avascular E. All of the choices are correct.
Atrial natriuretic peptide increases aldosterone secretion.
A) adrenaline. B) erythropoietin. C) angiotensin. D) atrial natriuretic peptide. E) cortisol.
The left lung is larger than the right lung and is divided into three lobes
Indicate whether the statement is true or false
An incompetent aortic semilunar valve would allow blood to backflow from the ________
A) right ventricle to the right atrium B) left ventricle to the left atrium C) aorta to the left ventricle D) aorta to the left atrium E) pulmonary trunk to the left ventricle