Aclient with ovarian cancer is ordered hydroxyurea (hydrea), an antimetabolite drug. antimetabolites are a diverse group of antineoplastic agents that interfere with various metabolic actions of the cell. the mechanism of action of antimetabolites interferes with: a. the chemical structure of deoxyribonucleic acid (dna) and chemical binding between dna molecules (cell cycle-nonspecific).b. normal cellular processes during the s phase of the cell cycle.

The correct answer will be option-B

Explanation:

Anti-metabolites are the chemical drugs which interfere with the chemical enzymes used during the DNA synthesis.

The drugs act during the DNA replication process which takes place in S or synthesis phase of the cell cycle which prevents the DNA replication. They affect the DNA synthesis by acting as a substitute for the metabolite utilized during the DNA synthesis metabolism. They are used in cancer treatment chemotherapy.

Thus, Option-B is the correct answer.

this disease is :

* endemic (present in a defined area that is a village)

* a bacterial infection (treated with antibiotic)

* communicable by contact (by the hands)

manu-porterage is the most common mode of transmission, it transmits germs from one individual to another via the hands. this concerns infections of exogenous origin.

endemic disease, or endemic disease, refers to a disease that is constantly present in a given population, often tied to a specific geographic origin, as opposed to a pandemic that is not a sporadic disease.

antibiotics are molecules that have the property of killing (bactericidal) or limiting the spread (bacteriostatic) of bacteria.