BIOS 242- CHAMBERLAIN Exam 3 Questions and Answers

BIOS 242- CHAMBERLAIN Exam 3 Questions and
Answers

Question 1.
____ are monocytes that have left blood circulation
Correct Answer: macrophages


Question 2.
what is rubor?
Correct Answer: redness caused by an increased circulation and vasodilation


Question 3.
most b cells require stimulation from
Correct Answer: t cells


Question 4.
what is the function of t cytotoxic cell (CD8)
Correct Answer: destruction of infected host cells and other foreign cells


Question 5.
what is the function of T cells
Correct Answer: kill foreign cells


Question 6.
what is the causative agent of lyme disease?
Correct Answer: Borrelia burgdorferi, evades the immune system by changing
the surface antigens


Question 7.
what is the gram reaction and shape of corynebacterium diphtheriae?
Correct Answer: gram positive, club shaped


Question 8.
what are the bacterial organisms that cause gastroenteritis
Correct Answer: salmonella, shigella, campylorbacter, e.coli, virbrio cholerae,
STEC, clostridium difficile


Question 9.
what are the signs and symptoms of mononucleosis?
Correct Answer: sore throat, high fever, cervical lymphadenopathy,
splenomegaly, fatigue


Question 10.
what is the causative agent of scalded skin syndrome?
Correct Answer: s. aureus


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,Question 11.
what is tumor?
Correct Answer: swelling from increased fluid escaping from tissues


Question 12.
what is the biological function of IgG?
Correct Answer: long term immunity, memory antibodies


Question 13.
what is the percentage of eosinophils circulating WBC?
Correct Answer: 2-4%


Question 14.
where does primary syphilis occur?
Correct Answer: internal/external genitalia, lips, oral cavity, nipples, fingers,
anus


Question 15.
what is IGRA?
Correct Answer: blood test to determine T-cell reactivity to M. tuberculosis


Question 16.
food poisoning is ___ rather than infection
Correct Answer: intoxication


Question 17.
neutrophils react early in the ____ response to bacteria, foreign materials, and damaged
tissue
Correct Answer: inflammatory


Question 18.
what is the gram reaction and shape of escherichia coli?
Correct Answer: gram negative, rod shape


Question 19.
what are the functions of regulatory t cells?
Correct Answer: control the t cell response, act to control the inflammatory
process, and prevent autoimmunity


Question 20.
what are the functions of plasmid cells?
Correct Answer: release antibodies into the tissue/blood, attach to antigens for
destruction


Question 21.
where do b cells reside?


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, Correct Answer: tissues like lymph nodes


Question 22.
a common sign of a bacterial infection is a high number of
Correct Answer: neutrophils


Question 23.
what are the first lines of defense in the mouth?
Correct Answer: saliva (contains lysozyme)


Question 24.
what does variant Creutfeldt- Jakob disease cause?
Correct Answer: transmissible spongiform encephalopathies


Question 25.
____ cells participate in humoral and cell mediated immunity
Correct Answer: helper t cells


Question 26.
what is natural immunity?
Correct Answer: acquired through the normal life experiences of a human and is
not induced through medical means


Question 27.
congenital syphilis inhibits
Correct Answer: fetal growth and disrupts critical periods of development


Question 28.
what are the signs and symptoms of lyme disease?
Correct Answer: fever, stiff neck, headache, dizziness, bull's eye rash


Question 29.
sweat contains
Correct Answer: high lactic acid


Question 30.
what does antigenic shift result in?
Correct Answer: influenza pandemic


Question 31.
what is hemolytic uremic syndrome?
Correct Answer: severe hemolytic anemia that can cause kidney damage and
failure


Question 32.
what types of cells are infected with HIV?


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