A: Urea
B: Uric acid
C: Hypoxanthine
D: Xanthine
举一反三
- The major nitrogenous waste of bony fishes is ( ). A: ammonia B: urea C: uric acid D: guanine E: creatine
- Which of the following is the end production of purine nucleotide catabolic metabolism? A: urea B: creatine C: creatinine D: uric acid E: β-alanine
- Which of the following compounds have the feedback inhibition effect on purine nucleotide synthesis ( ). A: IMP B: uric acid C: AMP D: GMP
- Which of the following antihypertensive drugs affects blood uric acid metabolism and is not appropriate for patients with gout?() A: Diuretic B: CCB C: ACEI D: ARB E: β-Blockers
- The main cause of inadequate ammonia clearance at severe hepatic dysfunction is ( ) A: Impairment of glutamine synthesis B: Impairment of urea synthesis C: Impairment of acetylcholine synthesis D: Impairment of glutamic acid synthesis E: Impairment of γ-aminobutyric acid synthesis
内容
- 0
Which<br/>of the following descriptions is incorrect? ( ) A: Under<br/>the condition of usual diet, body mainly produces acid substances B: The<br/>salts of organic acid contained in vegetables and fruits are the main<br/>source of fix acid C: Ammonia<br/>produced by metabolism is alkali (base) D: The<br/>more protein one ingests, the more fix acid is produced E: Ketone<br/>body includes volatile component
- 1
Which compounds can function as N-source? A: NH4+ B: NO3- C: Urea (CH4N2O) D: All of the above
- 2
Which of the following statements are TRUE about patients with gout? A: Male blood uric acid> 420 μg/L, female blood uric acid > 350 μg/L B: Tophi are found C: Sodium urate crystals are found in the joint fluid or sodium urate deposition is found in the tissue D: There are more than two typical attacks (sudden onset, severe pain in the night and relief during the day, limited to the distal end of the lower limbs) and treated with colchicine, relief within 2 days
- 3
The composition of primary urine does not include:() A: glucose B: amino acid C: electrolyte D: urea E: macromolecular protein
- 4
Phenolic compounds are secondary metabolites synthesized through the shikimic acid and phenylpropanoid pathways.()