You are developing a classifier for a biomedical dataset with 500 features and only 120 labeled samples. You aim to improve generalization and interpretability by selecting a subset of features before training. Which of the following statements are true?

A nurse is reviewing the laboratory results on a school-age child with hypoparathyroidism. Which results are consistent with this condition?

The nurse is preparing to administer epinephrine 0.001 mg/kg. The child weighs 22 pounds. What is the epinephrine dose the nurse would administer? ______

While conducting an educational class, which risk factors would the nurse include as increasing an infant’s risk of a sudden infant death syndrome incident? (Select all that apply.)

What is the mass of 0.500 mol of chlorofluoromethane, CClF3?

In Rutherford’s gold foil experiment, the vast majority of alpha particles passed directly through the gold foil. This observation leads to which conclusion?

The element with the ground state electron configuration of 1s22s22p63s2 is

In which type of bond are electrons completely transferred from one atom to another?

Which set of numbers below represents measurements that have good precision but poor accuracy?

Which of the following steps is not part of the scientific method?