His illness was caused by iron or Vitamin B12 ______.
A: default
B: proficiency
C: deficiency
D: defeat
A: default
B: proficiency
C: deficiency
D: defeat
举一反三
- Common nutritional problems for infants and young children include? A: iron deficiency anemia B: Growth retardation caused by zinc deficiency C: deficiency caused by vitamin D rickets D: Osteomalacia caused by calcium deficiency
- According to preliminary clinical research, what may be caused by vitamin K deficiency?
- Rickets（ ） a childhood disease caused by deficiency of vitamin D and sunlight associated with impaired metabolism of calcium and phosphorus
- ———— caused his illness? A: When B: That C: Where D: What
- Vitamin B12<br/>is necessary for many metabolic processes. Which of the following<br/>conditions will not cause deficiency () A: Total gastrectomy B: Autoimmune destruction of gastric parietal cells C: Gastric acid deficiency caused by chronic gastritis D: Surgical resection of jejunum E: Surgical resection of ileum