Which of the following types of immunity is acquired through a varicella vaccination?

a: Artificial passive - Artificial passive immunity involves the transfer of pre-made antibodies from one individual to another, such as through injection of immune serum or administration of antibodies produced in a laboratory.

b. Artificial active: Artificial active immunity is acquired through vaccination, where a person's immune system is exposed to a weakened or inactive form of a pathogen, such as the varicella (chickenpox) virus, to stimulate an immune response and the production of antibodies.

c: Natural active - Natural active immunity occurs when a person is exposed to a pathogen in the environment and develops an immune response, such as contracting and recovering from a disease like chickenpox.

d: Natural passive - Natural passive immunity involves the transfer of antibodies from a mother to her baby, such as through breastfeeding or placental transfer of antibodies during pregnancy.

a: Cervical: 7, Thoracic: 14, Lumbar: 6 - This count for the thoracic vertebrae is incorrect; there are typically 12 thoracic vertebrae.

b. Cervical: 7, Thoracic: 12, Lumbar: 5-The vertebral column consists of cervical (neck), thoracic (upper back), lumbar (lower back), sacral, and coccygeal regions. The cervical region has 7 vertebrae, the thoracic region has 12, and the lumbar region has 5.

c: Cervical: & Thoracic: 12, Lumbar: 5, Sacral: 3 - This count for the cervical vertebrae is incorrect; there are typically 7 cervical vertebrae.

d: Cervical: & Thoracic: 14, Lumbar: Sacral: 4 - The counts for cervical and lumbar vertebrae are incorrect; there are typically 7 cervical vertebrae and 5 lumbar vertebrae.