Em uma loja, Maria gastou R$100,00 em roupas e R$ 95,00 em sapatos. Depois foi a um supermercado e gastou R$ 250,00. Quanto Maria gastou no seu passeio?

A 75-year-old woman has been suffering from

right hip pain for a long time. An X-ray showed signs of severe osteoarthritis.

Therefore, the patient underwent total hip replacement. Histological

examination of the surgical specimen revealed a significantly damaged articular

surface with marked cartilage degeneration. Which of the following factors is

primarily responsible for the poor regeneration of articular cartilage?

A 29-year-old woman comes to

the doctor for repeated infections caused by Anaplasma (bacteria).

Unfortunately, this particular species is resistant to most antibiotics, so it

is necessary to prescribe an antibiotic from the tetracycline group. These

antibiotics have a high ability to build into the mineral component of newly

formed bone as well as tooth enamel and dentin, thereby damaging these hard

tissues. Given the properties of these antibiotics, what can prevent the use of

a drug from this group?

Um número natural é menor do que seu sucessor.

Todo número natural tem antecessor.

Todo número natural tem sucessor.

Se dois números naturais têm o mesmo sucessor, então esses números são iguais.

O Zero não é sucessor de nenhum número natural.