MIC205 Exam 3

1.

1 point

IWhich of the following are considered chemotherapeutic agents:

caffeine

tyenol

crystal meth

all of the above

2.

1 point

Why do you get chills when you have a fever?

Reduced blood flow

It is cold outside

Low energy

Dilation of blood vessels

3.

1 point

Antiviral agents are the most common, useful agents available.

True

False

4.

1 point

An animal virus can infect plants cells

True

False

5.

1 point

You drank out of your sick girlfriend's soda at the movies and then made out in your car. A few days later you are coming down with a cold. Your girlfriend's disease was most likely transmitted to you through:

Indirect contact transmission

Vector transmission

Direct contact transmission

Both a and c

6.

1 point

Doctor's want to get a drug into Amy's body as quickly as possible. They most likely administered this drug:

orally

intravenously

intramuscularly

topically

7.

1 point

Sulfa drugs inhibit_____________ used for biosynthesis of DNA/RNA nucleotides.

metabolic pathways

transciption

cell walls

protein synthesis

8.

1 point

If you wanted to take a drug that has arsenic in it, you could take:

Penicilin

Salvarsan

Advil

Sulfanilamide

9.

1 point

The higher degree of virulence factors a microorganism has, the higher __________ is will have.

Pathogenicity

Symptoms

Etiology

Signs

10.

1 point

Amphotericin B attaches to ergosterol found in _______ membranes.

viral

fungal

bacterial

all of the above

11.

1 point

The "H" in H1N! is responsible for binding to epithelial cell receptors and triggering endocytosis

True

False

12.

1 point

The reason why we cannot get feline leukemia is because of our

first line defenses

innate defenses

second line defenses

specific defenses

13.

1 point

E.coli that lives harmlessly in your intestinal tracts can be defined as

Inoculated microbiota

Colonizing microbiota

Resident microbiota

Transient microbiota

14.

1 point

What protects our body's cells from eating our own cells?

autoantigens

signaling molecules

phagocyte receptors

all of the above

15.

1 point

What genes can some viruses turn "on" or "off," resulting in cancer?

Metastasis genes

Neoplasia genes

Oncogenes

Benign genes

16.

1 point

You are not feeling well so you go to the doctor. At the doctor's office, your doctor starts asking you to tell him how you feel. The doctor his most likely asking you for your:

symptoms

signs

syndrome

both a and b

17.

1 point

What is the best way for retarding resistance?

High concentrations of drug maintained in patient for short enough time to kill all sensitive cells and inhibit others

Low concentrations of drug maintained in patient for long enough time to kill all sensitive cells and inhibit others

High concentrations of drugs maintained in patients for a long enough time to kill all sensitive cells and inhibit others

Low concentrations of drug maintained in patient for short enough time to kill all sensitive cells and inhibit others

18.

1 point

Most RNA viruses develop solely in and are released from the nucleus into the cytosol

True

False

19.

1 point

Chronic inflammation is a good thing

True

False

20.

1 point

If a drug inhibits protein synthesis, it is inhibiting:

antigens

transcription

translation

replication

21.

1 point

The normal function of your body has bene altered. You most likely have a:

Contamination

Disease

Reservoir

Infection

22.

1 point

You have been up sneezing, coughing, throwing up, pooping, peeing, crying, and itching yourself all night. What defense mechanism is in full force?

Second line of defense

First line of defense

Specific defenses

Innate defenses

23.

1 point

If you have allergies or parasitic worms you most likely will show ______ in your CBC (complete blood count).

increased macrophages

increased eosinophils

increased lymphocytes

increased leukocytes

24.

1 point

A complete blood count was performed and the doctor said that you have an increase in lymphocytes in your blood. This probably means that:

you have allergies

you have a viral infection

you have parasitic worms

you have a bacterial disease

25.

1 point

Enveloped viruses enter host cells by

membrane fusion

direct penetration

phagocytosis

both a and c

26.

1 point

Prions are only destroyed by incineration

True

False

27.

1 point

Attachment for animal viruses is mediated by

glycoprotein spikes

attachment molecules on capsid or envelope

tails or tail fibers

both a and b

28.

1 point

Pyrogens trigger what to increase your body's core temperature?

hypothalamus

thalamus

brain stem

phagocytes

29.

1 point

If lipid A, a toxin, is produced by pathogens in your body, you most likely will experience:

Fever

Inflammation

Diarrhea

All of the above

30.

1 point

If you want to inhibit the attachment of an H1N1 strain of the avian influenza virus to its host cell, which molecule would provide the best target for your drug?

glycoprotein spikes

capsid structural proteins

host cell ribosomes

single-stranded RNAs

31.

1 point

THe placenta is not an effective barrier to most pathogens because the baby's blood mixes with its mother's.

True

False

32.

1 point

Macrophages can leave the blood via _________.

conjugation

translation

diapedisis

fixation

33.

1 point

Giving your pet dog a shot can serve as a portal of entry

True

False

34.

1 point

Bacteria in a human colon is an example of

Mutualism

Commensalism

Parasitism

Hostism

35.

1 point

You cut your finger and it begins to swell, turn red, heat up, and have intense pain. This means that your ______has been activated.

first line of defense

specific defense

innate defense

second line of defense

36.

1 point

In which entry method of animal viruses do the viral glycoproteins remain in the cytoplasmic membrane

Phagocytosis

Direct penetration

Capsids

Membrane fusion

37.

1 point

What system warns neighboring cells that they are infected with a virus?

Innate defense system

Interferon system

Complement system

Specific defense system

38.

1 point

What helps pathogens to maintain infection, invade further, and avoid body defenses

Extracellular Enzymes

Attachment Proteins

Toxins

Adhesions

39.

1 point

The beta-lactamase enzyme was produced by a bacterial cell. This most likely means:

the beta-lactam ring is binding to enzymes properly

the bacterial cell is resisting to an antibiotic

cell wall synthesis is being carried out

protein synthesis was used to inhibit the bacterial cell

40.

1 point

An anti-biotic that may be used for inhibition of protein synthesis is:

streptomycin

tetracycline

erythromycin

all of the above

41.

1 point

Chickenpox, mononucleosis, HIV/AIDS, and herpes are examples of diseases that occur from

phagocytosis

latent replication

glycoprotein spikes

lysogenic replication

42.

1 point

What resets your body's "thermostat" and is secreted by your hypothalamus?

antibody-antigens

prostaglandin

interleukin-1

bacterial toxins

43.

1 point

Beta-lactam rings bind to enzymes that cross-link NAm subunits. This inhibition method will most effect:

the cell wall

DNA/RNA

the cytoplasmic membrane

protein synthesis

44.

1 point

Lysogenic replication is initiated by

fungi

bacteriophages

host cells

animal viruses

45.

1 point

The microbes that you consumed in your lunch today will most likely remain in your body for the rest of your life

True

False

46.

1 point

A drug that forms pore-like structures in a cell has been developed. Which of the follow best describes that mode of actino of this drug?

Inhibiting the cell wall

Inhibiting protein synthesis

Disrupting the cell membrane

Shutting down DNA synthesis

47.

1 point

The presence of potentially harmful microbes were found on your body. This means that you are infected.

True

False

48.

1 point

Beta lactam only has effect on growing cells.

True

False

49.

1 point

The order of the five steps of lytic replication are:

attachment, entry, synthesis, assembly, release

synthesis, attachment, entry, assembly, release

attachment, entry, assembly, synthesis, release

entry, attachment, assembly, release, synthesis

50.

1 point

The five stages or phagocytosis in order are:

chemotaxis, adherence, ingestion, digestion, elimination

adherence, chemotaxis, ingestion, digestion, elimination

chemotaxis, ingestion, digestion, adherence, elimination

ingestion, digestion, adherence, chemotaxis, elimination