You Have Received the First Hepatitis a Vaccine

question 66

Multiple Choice

You have received the first hepatitis A vaccine.It was required for your mission trip to Nicaragua in Central America, where hepatitis A is common.However, you never went back for the booster shot of the vaccine, which should have been received within 6 months of the initial vaccination.What statement accurately reflects your present immunity to this pathogen?

• A)You are at risk to get hepatitis A since your immune status is only partial.Not enough immune memory cells were produced since you received one dosage of vaccine, so you are likely to get the disease when exposed to the virus.
• B)The one dosage is not enough because it only activated humoral immunity.The second dosage is used to activate cell-mediated immunity.The combination of the two immune responses gives you 100% coverage of immunity to hepatitis A.
• C)This is not a problem because the second dosage is just extra protection.Your immune status would be very high.
• D)Not a problem because at any time, in a year, 5 years, etc., you can go get the booster vaccine for hepatitis A and be fully covered by immunity.

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Definitions:

Accommodation

The process of adjusting cognitive schemas to incorporate new information, a concept critical in developmental psychology, or the provision of housing or lodging.

Lens Changes Shape

The process by which the eye's lens adjusts its curvature to focus light on the retina, enabling clear vision at various distances.

Receptor Cells

Specialized cells that respond to specific chemical or physical stimuli and convey signals to the nervous system.

Light Energy

A form of electromagnetic radiation visible to the human eye, responsible for the sense of sight and driving photosynthesis in plants.