MICRO PARA MIDTERM - SET 1

What is the primary focus of medical microbiology?

• Study of plant diseases

• Study of microorganisms that cause human diseases

• Study of animal behavior

• Study of environmental science

Which type of bacteria has a thick peptidoglycan layer?

• Gram-negative bacteria

• Cocci bacteria

• Gram-positive bacteria

• Acid-fast bacteria

What is the primary function of the human microbiome?

• To regulate body temperature

• To create toxins

• To produce energy

• To aid in digestion and immune function

Which of the following is a characteristic of gram-negative bacteria?

• Presence of teichoic acids

• Absence of outer membrane

• Thick peptidoglycan layer

• Thin peptidoglycan layer

What is the role of probiotics?

• To rebalance the microbiome

• To kill all bacteria

• To promote viral infections

• To enhance muscle growth

Which of the following is a method of asexual reproduction in protozoa?

• Fragmentation

• Budding

• Binary fission

• Conjugation

What is the primary component of the bacterial cell wall?

• Lipid bilayer

• Chitin

• Cellulose

• Peptidoglycan

Which type of microorganism is characterized as eukaryotic and can be unicellular or multicellular?

• Bacteria

• Viruses

• Archaea

• Fungi

What is the main function of the immune system?

• To regulate temperature

• To produce hormones

• To protect against pathogens

• To digest food

Which of the following is a common method of sterilization?

• Drying

• Refrigeration

• Washing with soap

• Autoclaving