Microbiology

Question 1

What cell type do bacteria have?

Answer 1

Prokaryotic

Question 2

What are cells containing membrane-bound organelle and a true nucleus are called?

Answer 2

Eukaryotic

Question 3

There are two parts of naming of an organism. This is known as?

Answer 3

Binomial classification.

Question 4

When referring Candida albicans, what is the part that contains the Genus?

Answer 4

Candida

Question 5

What is the process called that bacteria reproduce?

Answer 5

Binary fission.

Question 6

What is a group of bacteria that has grown as a visible ‘dot’ on an agar plate from one parent cell, and is visible to the naked eye?

Answer 6

Colony.

Question 7

What are round purple bacteria seen under the microscope called?

Answer 7

Gram positive cocci

Question 8

What are rod-shaped, pink bacteria seen under the microscope are called?

Answer 8

Gram negative bacilli

Question 9

What is The magnification used to observe Gram stained bacteria?

Answer 9

x1000

Question 10

What is the bacterial structure that dictates whether a bacterial cell will stain Gram positive or Gram negative?

Answer 10

Cell wall

Question 11

What would you call a viral disease presenting with a skin rash and fever?

Answer 11

Acute lytic viral infection.

Question 12

Shingles in a reactiviation of the Varicella zoster virus. Shingles would be best classified as a reactivation of?

Answer 12

A latent viral infection.

Question 13

Where do viruses replicate?

Answer 13

Some viruses use the host cell to replicate.

Question 14

What is one of the most effective ways to prevent the spread of many viral infections?

Answer 14

It is vaccination where you activate the immune system by exposing the host to an attenuated (weakened) or inactivated form of the virus.

Question 15

What is called when a pathogenic fungi have invaded an immunocompromised patient?

Answer 15

Systemic infection

Question 16

True or false. A systemic mycoses relates to fungal infection in the whole body or multiple organs.

Answer 16

True.

Question 17

Why is it difficult to treat a systemic fungal infection?

Answer 17

Difficult to find points of selective toxicity. Fungal and human cells are both eukaryotic.

Question 18

Who is susceptible to acquiring systemic mycoses?

Answer 18

Severely compromised infants in intensive care.

Question 19

What cell type does a protozoa have?

Answer 19

Eukaryotic

Question 20

What are microorganisms that do active feeding and reproducing within a host cell?

Answer 20

Trophozoites

Question 21

How are protozoa spread?

Answer 21

contaminated food and insects.

Question 22

What form of protozoa can survive for long periods of time in the environment?

Answer 22

cyst

Question 23

What type of ectoparasites that live outside the human body?

Answer 23

Mites (Scabies) and lice

Question 24

How do children become infected with threadworm?

Answer 24

If they ingest threadworm eggs.

Question 25

Threadworm infections are often asympotomatic. What does this mean?

Answer 25

Does not feel unwell and shows no signs of infection.

Question 26

What are some syptoms of infection of threadworm?

Answer 26

Itchy bottom - particulary at night
reduced appetitit
feeling mildly unwell or irratable.

Question 27

What are single celled eukaryotic microorganisms that can form a trophozoite and a cyst stage called?

Answer 27

Protozoa.