Which of the following is a condition characterized by loss of normal bone density and subsequent increased susceptibility to fractures?

The venom of a black widow spider is toxic to the:

A. respiratory system. B. nervous system. C. cardiovascular system. D. renal system.

A 6-month-old infant with bacterial meningitis would MOST likely present with:

A: hyperglycemia, nuchal rigidity, and low-grade fever. B: nuchal rigidity, a sunken fontanelle, and fever. C: fever, paradoxical irritability, and poor feeding. D: irritability, generalized urticaria, and vomiting.