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PCB 3233 Exam One UCF Questions and Answers
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PCB 3233 Exam One UCF Questions and Answers Immunology is the study of - Answer️️ -physiological mechanisms that are used to defend the body from invasion by foreign or infectious agents In response to diseases caused by infectious agents, the body develops cells dedicated to defense, thes...

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  • August 29, 2024
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©SOPHIABENNET@2024/2025 Wednesday, August 21, 2024 12:13 PM

UNIVERSITY OF CENTRAL FLORIDA (UCF)


PCB 3233 Exam One UCF Questions and Answers

Immunology is the study of - Answer✔️✔️-physiological mechanisms
that are used to defend the body from invasion by foreign or
infectious agents

In response to diseases caused by infectious agents, the body
develops cells dedicated to defense, these form... - Answer✔️✔️-the
immune system

protective/adaptive immunity takes time to develop while
________________________ can _________ _______- and cause disease -
Answer✔️✔️-microorganisms can rapidly multiply

Immunity involves two responses: - Answer✔️✔️-1. Flexible but
specific defenses of the adaptive immune response

2. Fixed defenses of the innate immune response

In adaptive = - Answer✔️✔️-B and T cells

(you MUST inheret something from your parents)

To make B and T cells you need - Answer✔️✔️-three segments of DNA
that make a gene.

During vaccination we are given the strongest - Answer✔️✔️-primary
adaptive immune response



1

, ©SOPHIABENNET@2024/2025 Wednesday, August 21, 2024 12:13 PM

UNIVERSITY OF CENTRAL FLORIDA (UCF)


- Answer✔️✔️-

microbes survive on ..... and release - Answer✔️✔️--animal and plant
products

-release digestive enzymes

microbes grow on - Answer✔️✔️-living tissues (extracellular) where
they are bathed in nutrients

other intracellular microbes infect animal/human cells, utilizing -
Answer✔️✔️-host cell sources

Some microbes are ________ and even __________ (ex:_____________) -
Answer✔️✔️-some are harmless and helpful

ex: E. Coli

What is protecive immunity? - Answer✔️✔️-People who survive a
specific infection become immune to it

To provide protective immunity, the immune system must first -
Answer✔️✔️-engage the microorganism

What is the lag time between infection and protection? - Answer✔️✔️-
around 7 days

True or false, the first infection is the most dangerous one -
Answer✔️✔️-true




2

, ©SOPHIABENNET@2024/2025 Wednesday, August 21, 2024 12:13 PM

UNIVERSITY OF CENTRAL FLORIDA (UCF)


true or false, Disease is NOT prevented by prior exposure to an
attenuated/killed infectious agent - Answer✔️✔️-false

Who recognized that only those who had recovered from the plague
could nurse the sick without becoming sick again? - Answer✔️✔️-430
BC- Thucydides

During the fifteenth century- Chinese and Turks used what to
induce immunity? What is this called? - Answer✔️✔️-dried crusts
from smallpox pustules (inhaled or inserted into small cuts in the
skin "variolation")

Origins of immunology attributed to who? What did he discover? -
Answer✔️✔️--Edward Jenner

-Discovered in 1796 that cowpox "vaccinia" protected from human
smallpox

a pathogen is - Answer✔️✔️-Any organism with potential to cause
disease

ex: Influenza and typhoid bacillus

Opportunistic pathogens cause disease if - Answer✔️✔️-the body's
defenses are weakened or it gets into a part of the body it isn't
normally found.

What are the four classes of pathogens? - Answer✔️✔️-bacteria,
viruses, fungi, parasites


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