GBIO 225 Week 7 Exam

Exam

 

  1. 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?

 

(1pts)

 

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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

 

(1pts)

 

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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

 

(1pts)

 

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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?

 

(1pts)

 

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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?

 

(1pts)

 

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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

 

(1pts)

 

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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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