Uric acid is a by-product of ________ metabolism.
A. creatine phosphate
B. glucose
C. amino acid
D. nucleotide
Answer: D
You might also like to view...
Myocardial cells can generate action potentials spontaneously because they have
A) L-type Ca2+ channels. B) permanently open channels for Na+ and K+. C) a net influx of Na+. D) prolonged Ca2+ influx. E) unstable ion channels.
The membranes of all postganglionic neurons in autonomic ganglia have
A. somatotrophic receptors. B. muscarinic receptors. C. adrenergic receptors. D. nicotinic receptors. E. macrotinic receptors.
Each kidney ultimately receives blood from
A) the common iliac arteries. B) the descending aorta. C) the internal iliac arteries. D) renal arteries. E) None of the answers are correct.
Answer the following statements true (T) or false (F)
1. Many of the changes that occur during adolescence are controlled by the secretion of sex hormones. 2. Osteoporosis is a degenerative joint disease of old age. 3. About 25% of the nephrons of the kidney stop functioning between the ages of 30 and 75. 4. Hypertension is another term for high blood pressure. 5. Atherosclerosis is sometimes called hardening of the arteries.