A by-product of amino acid catabolism in the liver is

A. ammonia.
B. uric acid.
C. urea.
D. water.


Answer: C

Anatomy & Physiology

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Which term means lying on the abdomen, face downward?

A. Proximal B. Prone C. Medial D. Posterior E. Supine

Anatomy & Physiology

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

Anatomy & Physiology

Plasma phosphate concentration is not as tightly controlled as plasma calcium concentration

Indicate whether the statement is true or false

Anatomy & Physiology

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.

Anatomy & Physiology