MICROBIOLOGY FINAL BRCC
PRACTICE EXAMINATION 2026
QUESTIONS WITH ANSWERS GRADED
A+
◍ What are strains of species.
Answer: genetic variants of the same species
◍ What is the human microbiome.
Answer: microbes in and on the body
◍ what is normal flora.
Answer: includes bacteria, archaea, and eukaryotic microbes that train our
immune system, produce vitamins, and help digest foods
◍ Symptoms of endocarditis.
Answer: Fever and chills, weight loss, muscle ache
◍ what is a pH scale measuring.
Answer: # of H+ vs # of OH-
◍ Septicemia.
Answer: The toxic condition caused by the multiplication of bacteria in the
blood.
◍ Microbemia.
Answer: Infection caused by a microorganism entering the circulatory
system through lymphatic drainage.
◍ Strep throat.
Answer: Causes a rare, inflammatory disease called rheumatic fever.
◍ pH scale range.
, Answer: 0-14
◍ Examples of zoonotic diseases.
Answer: Brucellosis, undulant fever, tularemia, rabbit fever.
◍ Is 0 on the pH scale considered acidic, alkaline, or neutral.
Answer: acidic
◍ is 7 on the pH scale considered acidic, alkaline, or neutral.
Answer: neutral
◍ Rabbit fever caused by which bacteria?.
Answer: Francisella tularensis.
◍ is 14 on the pH scale considered acidic, alkaline, or neutral.
Answer: alkaline
◍ what is an electrolyte also known as.
Answer: ion
◍ Rocky Mountain spotted fever is caused by bacterium:.
Answer: Rickettsia rickettsia.
◍ what is tonicity.
Answer: the concentration of a solute in a solution
◍ what will happen to a cell if placed in a hypertonic solution.
Answer: shrink
◍ Cytomegalovirus infections are caused by which human herpes virus?.
Answer: Five.
◍ what will happen to a cell if placed in a hypotonic solution.
Answer: burst
◍ Malaria is caused by a:.
Answer: Protozoan.
◍ How is toxoplasmosis categorized?.
Answer: Protozoan.
, ◍ Gangrene.
Answer: A complication of necrosis related to wounds.
◍ when would a bacterium make endospores.
Answer: when it is stressed
◍ Zoonotic.
Answer: Any infectious disease or infection that can be transmitted from
vertebrate animals to humans.
◍ 2 ways that biofilms cause concerns in the health industry is.
Answer: form on objects that go in the body like catheters form biofilm
infections which are hard to fight off
◍ Bacteremia.
Answer: When bacteria are found in the blood.
◍ Sepsis.
Answer: Toxic condition caused by the spread of bacteria or bacterial toxins
from the site of infection.
◍ what is a dermatophyte.
Answer: organisms that can cause a skin infection
◍ what type of genes are typically carried on bacterial plasmids.
Answer: antibiotic resistance
◍ Trypanosoma Cruzi.
Answer: Cause of Chagas' disease.
◍ Dry gangrene.
Answer: Often occurs in persons with impaired peripheral blood flow.
◍ Internal gangrene (white gangrene).
Answer: Generally contracted after surgery or trauma.
◍ Wet gangrene.
Answer: Occurs in organs lined by mucous membranes such as the mouth,
lower intestinal tract, lungs, and cervix.
PRACTICE EXAMINATION 2026
QUESTIONS WITH ANSWERS GRADED
A+
◍ What are strains of species.
Answer: genetic variants of the same species
◍ What is the human microbiome.
Answer: microbes in and on the body
◍ what is normal flora.
Answer: includes bacteria, archaea, and eukaryotic microbes that train our
immune system, produce vitamins, and help digest foods
◍ Symptoms of endocarditis.
Answer: Fever and chills, weight loss, muscle ache
◍ what is a pH scale measuring.
Answer: # of H+ vs # of OH-
◍ Septicemia.
Answer: The toxic condition caused by the multiplication of bacteria in the
blood.
◍ Microbemia.
Answer: Infection caused by a microorganism entering the circulatory
system through lymphatic drainage.
◍ Strep throat.
Answer: Causes a rare, inflammatory disease called rheumatic fever.
◍ pH scale range.
, Answer: 0-14
◍ Examples of zoonotic diseases.
Answer: Brucellosis, undulant fever, tularemia, rabbit fever.
◍ Is 0 on the pH scale considered acidic, alkaline, or neutral.
Answer: acidic
◍ is 7 on the pH scale considered acidic, alkaline, or neutral.
Answer: neutral
◍ Rabbit fever caused by which bacteria?.
Answer: Francisella tularensis.
◍ is 14 on the pH scale considered acidic, alkaline, or neutral.
Answer: alkaline
◍ what is an electrolyte also known as.
Answer: ion
◍ Rocky Mountain spotted fever is caused by bacterium:.
Answer: Rickettsia rickettsia.
◍ what is tonicity.
Answer: the concentration of a solute in a solution
◍ what will happen to a cell if placed in a hypertonic solution.
Answer: shrink
◍ Cytomegalovirus infections are caused by which human herpes virus?.
Answer: Five.
◍ what will happen to a cell if placed in a hypotonic solution.
Answer: burst
◍ Malaria is caused by a:.
Answer: Protozoan.
◍ How is toxoplasmosis categorized?.
Answer: Protozoan.
, ◍ Gangrene.
Answer: A complication of necrosis related to wounds.
◍ when would a bacterium make endospores.
Answer: when it is stressed
◍ Zoonotic.
Answer: Any infectious disease or infection that can be transmitted from
vertebrate animals to humans.
◍ 2 ways that biofilms cause concerns in the health industry is.
Answer: form on objects that go in the body like catheters form biofilm
infections which are hard to fight off
◍ Bacteremia.
Answer: When bacteria are found in the blood.
◍ Sepsis.
Answer: Toxic condition caused by the spread of bacteria or bacterial toxins
from the site of infection.
◍ what is a dermatophyte.
Answer: organisms that can cause a skin infection
◍ what type of genes are typically carried on bacterial plasmids.
Answer: antibiotic resistance
◍ Trypanosoma Cruzi.
Answer: Cause of Chagas' disease.
◍ Dry gangrene.
Answer: Often occurs in persons with impaired peripheral blood flow.
◍ Internal gangrene (white gangrene).
Answer: Generally contracted after surgery or trauma.
◍ Wet gangrene.
Answer: Occurs in organs lined by mucous membranes such as the mouth,
lower intestinal tract, lungs, and cervix.
