Oxidative deamination takes place in the
brain
blood
liver
muscles
The Correct Answer is C
A. Brain: While amino acids are important in brain metabolism, oxidative deamination primarily occurs in the liver.
B. Blood: The blood transports nitrogenous waste, but deamination doesn’t occur here.
C. Liver: The liver is the major site of oxidative deamination, where amino acids are stripped of their amino groups, forming ammonia, which is then converted to urea.
D. Muscles: Muscles may perform transamination, but oxidative deamination is mainly hepatic.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is E
Explanation
A. Tongue: The tongue assists in mechanical digestion and swallowing, making it an accessory organ.
B. Liver: The liver produces bile, aiding fat digestion, and is an accessory digestive organ.
C. Pancreas: The pancreas secretes digestive enzymes and bicarbonate, making it a key accessory organ.
D. Salivary glands: These produce saliva, initiating starch digestion-also accessory organs.
E. Spleen: The spleen is part of the lymphatic and immune system, not involved in digestion-not a digestive organ.
Correct Answer is A
Explanation
A. Decreased urine volume: ADH increases water reabsorption in the collecting ducts, leading to less water in the urine and decreased urine output.
B. Decreased urine molarity: ADH leads to more concentrated (higher molarity) urine, not less.
C. Increased urine volume: ADH reduces urine volume, not increases it.
D. Increased urine salinity: ADH affects water, not salt. Salinity may change indirectly, but this is not a direct effect.
E. Increased urine acidity: Urine acidity is influenced by hydrogen ion excretion, not directly by ADH.
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