The main cause of death of infant tetany is:( )
A. brain edema
B. heart failure
C. laryngospasm
D. respiratory failure
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Which is manifestation of osteoid tissue accumulation ?( )
A. Craniotabes
B. Harrison’groove
C. Genu varus
D. Enlargement of wrists
Synthesis of 1, 25-(OH)2D3 is finished in:( )
A. skin
B. skeleton
C. liver
D. kidney
Which item is not electrolyte solution?( )
A. normal saline
B. 10% glucose
C. 5% sodium bicarbonate
D. 11.2 % sodium lactate
The earliest primary teeth is:( )
A. upper center incisor
B. lower center incisor
C. upper lateral incisor
D. lower lateral incisor