A child presents with bone deficiency and a bowlegged appearance. This assessment data supports a diagnosis of:
a) Rickets
b) Osteoporosis
c) Osteomalacia
d) Paget disease
Answer:
a) Rickets
Explanation:
Rickets occurs at the early stage of childhood due to inadequate vitamin D.
Vitamin D provides the body with higher absorption rate of calcium and phosphorus, inadequate intake of Vitamin D results into low calcium and phosphorus levels in the bones, as a result, rickets sets in.
Rickets is a disarrangement of impaired mineralization of cartilaginous growth plates in children. It can also result from lack of exposure to sunlight.
Answer:
D. There was a single transition from aquatic to terrestrial habitats
Explanation:
Based on the molecular differences at the level of DNA sequence and inheritance, the molecular phylogenies show that all land plants are a monophyletic group. This is why it suggests a single transition from aquatic to terrestrial habitats occur.
