A by-product of amino acid catabolism in the liver is
A. ammonia.
B. uric acid.
C. urea.
D. water.
Answer: C
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Which term means lying on the abdomen, face downward?
A. Proximal B. Prone C. Medial D. Posterior E. Supine
Due to the structure of the ________, a large amount of moisture is added to the respiratory system every day
A) Conchae B) Nares C) Eustachian tube D) Trachea
Answer the following statements true (T) or false (F)
1. Each resting neuron has a slight positive charge on the outside. 2. In the resting neuron, there is an excess of sodium ions on the interior of the cell. 3. When a resting neuron is stimulated, sodium ions rush into the cell, causing the interior to become negatively charged. 4. Saltatory conduction occurs when a nerve impulse jumps over the myelin sheath of an axon. 5. Saltatory conduction tends to be slower then nonsaltatory nerve conduction.
Plasma phosphate concentration is not as tightly controlled as plasma calcium concentration
Indicate whether the statement is true or false