APEA Pathophysiology Exam 2 STUDYGUIDE
(3 IN ONE DOCUMENT) latest ACTUAL EXAM
COMPLETE QUESTIONS AND CORRECT
ANSWERS with DETAILED RATIONALES
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EXAM
The inability of ossicles to properly conduct sound in the ear is described as an:
A. conductive hearing loss
B. sensorineural hearing loss
C. Auditory dyssynchrony
D. auditory neuropathy spectrum disorder
A. Conductive hearing loss
The Epstein-Barr virus is NOT spread via:
A. Kissing
B. Contaminated food
C. Sharing eating utensils
D. Sexual contact
B. Contaminated food
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Inflammation or infection of the eyelids associated with bacterial infection, dry eyes and/or
rosacea is:
A. blepharitis
B. sebaceous cell carcinoma
C. chalazion
D. hordeolum
A. Blepharitis
A nonspherical curvature of the cornea or lens of the eye that causes light to focus at
different points is called:
A. nystagmus
B. astigmatism
C. hyperopia
D. presbyopia
B. Astigmatism
What type of immunity is conferred when an individual is given a vaccine?
A) Natural immunity
B) Passive acquired immunity
C) Active acquired immunity
D) Alloimmunity
c
Which of the following is not a function of antibodies?
A) Neutralizing bacterial toxins
B) Preventing viruses from entering tissue cells
C) Direct cell killing through the release of toxic chemicals
D) Opsonizing foreign antigen
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c
Which is the main antibody transferred from a mother to an infant in breast milk?
A) IgG
B) IgM
C) IgE
D) IgA
d
When a person has an allergic reaction to bee stings, which antibody causes the life-
threatening hypersensitivity response?
A) IgM
B) IgA
C) IgE
D) IgG
c
Cytotoxic T (Tc) cells can destroy infected or cancer cells by which of the following
mechanisms?
A) Producing toxins
B) Stimulating apoptosis
C) Producing antibodies
D) Both A and B
d
How do natural killer (NK) cells differ from cytotoxic T (Tc) cells?
A) NK cells lack antigen-specificity and can target any infected or malignant cell.
B) NK cells are phagocytic.
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C) NK cells can opsonize bacteria and viruses.
D) NK cells release toxins that kill the target cell.
a
A 20-year-old female has been diagnosed with AIDS. Laboratory testing would reveal
diminished levels of:
A) cytotoxic T cells.
B) B cells.
C) helper T cells.
D) T suppressor cells.
c
A 10-year-old male is diagnosed with a large tapeworm. Which of the following cells would be
produced in response to this worm?
A) Monocytes
B) Eosinophils
C) Neutrophils
D) Natural killer cells
b
When a person has an allergic reaction to a bee sting, which type of hypersensitivity response
is occurring?
A) Type I
B) Type II
C) Type III
D) Type IV
a
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