GBIO 225 Week 7 Exam
Exam
- What do pollen, dust mites, certain foods and drugs, insect venom, fungal spores, and some ingredients in cosmetics have in common?
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they often contain dangerous bacteria
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they often act as allergens
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they all contain lipids
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they are all made of protein
2) Which antibodies are secreted when an allergic person is exposed to an allergen?
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IgD
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IgM
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IgE
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IgA
3) A serious and sometimes fatal allergic reaction is
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septic shock.
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anaphylactic shock.
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compensated shock.
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toxic shock.
4) When the body’s defenses turn against its own cells, the disorder is called
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an autoimmune response.
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acquired immune deficiency syndrome.
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anaphylactic shock.
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passive immunity.
5) The human immunodeficiency virus (HIV) primarily destroys which cells?
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T1
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B
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helper T and macrophages
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neutrophils
6) The method of contracting an illness after touching a contaminated doorknob, diaper or handkerchief is
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inhalation contact.
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direct contact.
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indirect contact.
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contact with a vector.
7) Becoming infected by a pathogen following the bite of a mosquito is considered
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indirect contact.
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inhalation contact.
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direct contact.
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contact with a vector.
8) The likelihood that a pathogen will make its host seriously ill is
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pathogenicity.
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invasiveness.
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virulence.
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opulence.
9) The enzyme used by HIV that allows it to make DNA from RNA is
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DNA ligase.
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restriction endonuclease.
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helicase.
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reverse transcriptase.
10) Endocarditis
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refers to ‘inside the heart’.
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refers to an irregular heart rhythm.
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is only found in elderly patients.
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is more problematic for women.
11) Infants born with a hole in some part of the hear wall are often referred to as
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red babies.
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blue babies.
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purple babies.
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green babies.
12) Pneumonia may be caused by all of the following EXCEPT
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bacteria.
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anemia.
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fungi.
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viruses
13) The most aggressive form of lung cancer is
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squamous cell carcinoma.
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large-cell carcinoma.
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small-cell carcinoma.
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adenocarcinoma.
14) SARS is a form of
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asthma.
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influenza.
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histoplasmosis.
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lung cancer.
15) A dangerous form of diarrhea complicated by anemia may be caused by
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Mycobacterium tuberculosis.
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Clostridium botulinum.
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Staphylococcus aureus.
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Escherichia coli.
16) Infections, stress or factors that speed up peristalsis may cause
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diarrhea.
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impaction.
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constipation.
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Crohn’s disease.
17) One of the most common of all childhood cancers is
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bronchogenic carcinoma.
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Wilms tumor.
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glioblastoma.
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osteogenic sarcoma.
18) Nephritis may lead to cessation of blood filtering by the glomerulus because the kidney is
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surrounded by a tough renal capsule.
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located behind the intestines.
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a paired structure.
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directly connected to the inferior vena cava
19) Bladder infections that travel up to the kidney are called
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pyelonephritis.
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nephritis.
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pyelitis.
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glomerulonephritis.
20) One of the most common sexually transmitted diseases is
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HIV
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chlamydia.
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syphilis.
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gonorrhea.
21) Why is Chlamydia trachomatis considered a “stealth” STD?
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infections with it tend to sneak up on people.
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a large percentage of people who have it have no symptoms and may pass it on easily.
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when people have it, it is difficult to detect with modern techniques.
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it may be transmitted in many different ways making it difficult to figure out how a person got it.
22) Other than being STDs, what do chlamydia and gonorrhea have in common?
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their symptoms are identical.
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they are caused by the same bacteria.
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they both may cause PID.
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they are both treated with the same antibiotics.
23) The area(s) of the body most susceptible to herpes simplex virus is (are)
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mucous membranes of the mouth.
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mucous membranes of the genitals.
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broken skin.
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all of these.
24) Genital warts are caused by
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HPV.
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Herpes virus.
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gonococcus.
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chlamydia.
25) HPV has been linked to
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gonorrhea.
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cervical cancer.
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syphilis.
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genital herpes.
26) Which of the following diseases, not usually classified as an STD, may be spread by sexual contact?
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hepatitis A
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hepatitis B
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lung cancer
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breast cancer
27) Which is a normal fungal inhabitant of the vagina that can overgrow under certain circumstances causing a “cottage cheesy” discharge, itching, and irritation?
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Trichomonas vaginalis
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lactobacillus
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Escherichia coli
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Candida albicans
28) The treatment for trichomoniasis is
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anti-fungals.
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antibiotics.
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gentian violet.
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iodine.
29) The treatment for a case of hepatitis B is
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anti-fungal drugs
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penicillin
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rest
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a high protein diet
30) In relation to genital herpes, antiviral drugs
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cure the disease.
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reduce the symptoms during recurrences.
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all are true except “cure the disease”.
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reduce the frequency of recurrences.
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