Nester's Microbiology: A Human Perspective

Denise Anderson, Sarah Salm, Deborah Allen

Chapter 25

Blood and Lymphatic Infections - all with Video Answers

Educators

Chapter Questions

Problem 1

Which of the following infection fighters are found in lymph?
a) Leukocytes
b) Antibodies
c) Complement
d) Interferon
e) All of the above

Joanna Quigley

Joanna Quigley

Numerade Educator

Problem 2

Which of the following statements about the spleen is false?
a) It routinely produces new blood cells.
b) It cleanses the blood of foreign material and damaged cells.
c) It contains $B$ cells.
d) It consists of red pulp and white pulp.
e) It enlarges in a number of infectious diseases.

Joanna Quigley

Numerade Educator

Problem 3

Which one of the following statements about SBE is false?
a) It sometimes develops in patients who have had rheumatic fever.
b) It is usually caused by normal microbiota of the mouth or skin.
c) It is generally a rapidly progressing disease.
d) Injected-drug abuse can be a risk factor in developing the disease.
PIt ran les

Joanna Quigley

Numerade Educator

Problem 4

Choose the one $t$rue statement about sepsis.
a) It is a rare healthcare-associated disease.
b) The output of urine increases if shock develops.
c) It can be caused only by anaerobic bacteria.
d) An antibiotic that kills the causative organism can be depended on to cure the disease.
e) Lung damage is an important cause of death.

Joanna Quigley

Numerade Educator

Problem 5

Which of these statements about tularemia is false?
a) It can be contracted from muskrats and bobcats.
b) Biting insects and ticks can transmit the disease.
c) The causative organism has growth requirements similar to those of $E .$ coli.
d) A steep-walled ulcer at the site of entry of the bacteria and enlargement of nearby lymph nodes is characteristic.
e) It can be treated effectively with antibiotics.

Joanna Quigley

Numerade Educator

Problem 6

Which of the following statements about brucellosis is false?
a) Fevers that come and go over a long period of time gave it the name "undulant fever."
b) The causative agent can infect via mucous membranes.
c) The causative agent is readily killed by phagocytes.
d) The disease in cattle is characterized by chronic infection.
e) Butchers are advised to wear goggles or a face shield to help protect against the disease.

Joanna Quigley

Numerade Educator

Problem 7

Which statement about Yersinia pestis is false?
a) Conditions inside human phagocytes activate virulence genes.
b) The bacterium can form biofilms in the flea digestive system.
c) Yops protein increases phagocytosis.
d) The organism resembles a safety pin in certain stained preparations.
e) It was responsible for the "black death" in Europe during the $1300 \mathrm{s}$

Joanna Quigley

Numerade Educator

Problem 8

Which of the following statements about yellow fever is false?
a) There is no animal reservoir.
b) The name "yellow" comes from the fact that many victims have jaundice.
c) Certain mosquitoes are biological hosts for the causative agent.
d) Outbreaks of the disease could occur in the United States because a suitable vector is present.
e) An attenuated vaccine is widely used to prevent the disease.

Jennifer Hudspeth

Jennifer Hudspeth

Numerade Educator

Problem 9

The malarial form infectious for mosquitoes is called a
a) gametocyte.
b) trophozoite.
c) sporozoite.
d) schizont.
e) merozoite.

Joanna Quigley

Numerade Educator

Problem 10

Which of the following statements about malaria is true?
a) Transmission cannot occur in temperate climates.
b) Transmission usually occurs with the bite of a male Anopheles mosquito.
c) The disease is currently well controlled in tropical Africa.
d) $P .$ falciparum infects only old $\mathrm{RBCs}$ and therefore causes milder disease than other Plasmodium species.
e) The characteristic recurrent fevers are associated with release of merozoites from RBCs.

Joanna Quigley

Numerade Educator