Microbial Relationships
Bacterial Terminology
Bacterial Diversity & Ecology
Blood
Name that structure
100
What is the term for a symbiotic relationship where both organisms benefit?
Mutualism
100
Bacteria that need only a small amount of nutrients to survive are called what?
A. Oligotrophs
B. Copiotrophs
C. Autotrophs
D. Heterotrophs
A. Oligotrophs
100
Bacteria that thrive in extreme environments.
A. Mesophiles
B. Psychrophiles
C. Extremophiles
D. Halophiles
C. Extremophiles
100
Which component of blood is primarily responsible for clotting?
A. Red blood cells
B. White blood cells
C. Platelets
D. Plasma
C. Platelets
100
Name the highlighted structure
Right atrium
200
In which symbiotic relationship does one organism benefit while the other is harmed?
A. Mutualism
B. Commensalism
C. Parasitism
D. Neutralism
C. Parasitism
200
This term describes bacteria that live without oxygen.
A. Aerobic
B. Anaerobic
C. Facultative
D. Microaerophilic
B. Anaerobic
200
The bacteria that produce methane as a metabolic byproduct and are involved in the carbon cycle are called:
A. Methanogens
B. Halophiles
C. Thermophiles
D. Acidophiles
A. Methanogens
200
What percentage of plasma is water?
A. 75%
B. 91%
C. 80%
D. 65%
B. 91%
200
Which vessel is highlighted?
Pulmonary Arteries
300
In a commensal relationship, one organism benefits while the other is:
A. Harmed
B. Unaffected
C. Benefitted
D. Neutral
B. Unaffected
300
These bacteria get their energy from chemical compounds, not light.
A. Phototrophs
B. Chemotrophs
C. Lithotrophs
D. Organotrophs
B. Chemotrophs
300
Bacteria is known for its role in nitrogen fixation in legume roots.
A. Escherichia coli
B. Rhizobium
C. Streptococcus
D. Lactobacillus
B. Rhizobium
300
Where does the production of all blood cells (hematopoiesis) primarily occur in adults?
A. Liver
B. Spleen
C. Red bone marrow
D. Lymph nodes
C. Red bone marrow
300
Name this AV Valve.
mitral (bicuspid)
400
An example relationship of Staphylococcus epidermidis using dead skin cells as nutrients. The human host is unaffected.
A. Mutualism
B. Amensalism
C. Parasitism
D. Commensalism
D. Commensalism
400
Bacteria that thrive in environments with high salt concentrations.
A. Halophiles
B. Thermophiles
C. Acidophiles
D. Barophiles
A. Halophiles
400
This group is primarily responsible for decomposing organic matter in anaerobic environments, such as the human gut.
A. Cyanobacteria
B. Spirochetes
C. Bacteroides
D. Mycobacteria
C. Bacteroides
400
The normal range for thrombocytes is approximately:
A. 11,000 per µL
B. 4 million - 6 million per µL
C. 150,000 per µL
C. 150,000 per µL
400
Pulmonary Veins
500
Which type of symbiotic relationship is characterized by one organism producing a substance that harms another organism, without being affected itself?
A. Mutualism
B. Commensalism
C. Parasitism
D. Amensalism
D. Amensalism
500
Bacteria that can switch between using oxygen and not using oxygen are called?
A. Aerobic
B. Anaerobic
C. Facultative anaerobes
D. Obligate aerobes
C. Facultative anaerobes
500
True or False?
Bacteria with thicker peptidoglycan layers in the cell wall are Gram-positive.
True!
500
Initial phase of Hemostasis
Vascular Phase (Vascular spasm or Vasoconstriction)
500
A
Name this originating artery
Left common cartotid