Question 1

Most of the dry weight of a microbial cell is from ________.

Accepted Answer

A) inorganic compounds 
B) minerals 
C) water 
D) organic compounds 
E) salts 
A) inorganic compounds 
B) minerals 
C) water 
D) organic compounds 
E) salts D

Question 2

An organism that does not use oxygen in its metabolic pathways but can survive in its presence is a(n)________.

Accepted Answer

A) aerotolerant anaerobe 
B) obligate aerobe 
C) facultative anaerobe 
D) microaerophile 
E) obligate anaerobe 
A) aerotolerant anaerobe 
B) obligate aerobe 
C) facultative anaerobe 
D) microaerophile 
E) obligate anaerobe A

Question 3

An 85-year-old female in a long-term care facility is prescribed verapamil for blood pressure management twice daily. The medication is classified as a calcium channel blocker.
-The RN is familiar with the action of calcium channel blockers.By inhibiting the passage of calcium through ion channels,the drug targets which of the following processes?

Accepted Answer

A) Diffusion 
B) Active transport 
C) Passive transport 
D) Osmosis 
A) Diffusion 
B) Active transport 
C) Passive transport 
D) Osmosis C

Question 4

An organism with a temperature growth range of 45°C to 60°C would be called a(n)________.

Accepted Answer

A) extremophile 
B) thermophile 
C) psychrophile 
D) psychrotroph 
E) thermoduric 
A) extremophile 
B) thermophile 
C) psychrophile 
D) psychrotroph 
E) thermoduric

Question 5

Cultures of a bacterial species were incubated out on the incubator shelf,in an anaerobic jar,and in a candle jar.After incubation,there was moderate growth of cultures in the candle and anaerobic jars,but heavy growth of the culture on the incubator shelf.This species is a(n)________.

Accepted Answer

A) obligate aerobe 
B) obligate anaerobe 
C) facultative anaerobe 
D) microaerophile 
E) capnophile 
A) obligate aerobe 
B) obligate anaerobe 
C) facultative anaerobe 
D) microaerophile 
E) capnophile

Question 6

Microorganisms require large quantities of ________ for use in cell structure and metabolism.

Accepted Answer

A) elements 
B) macronutrients 
C) water 
D) growth factors 
E) trace elements 
A) elements 
B) macronutrients 
C) water 
D) growth factors 
E) trace elements

Question 7

Bacteria have an average generation time of 24 hours.

Accepted Answer

A) True 
 B)False

Question 8

A microorganism that does not have catalase or superoxide dismutase would find it difficult to live in an environment with ________.

Accepted Answer

A) carbon dioxide 
B) oxygen 
C) high salt 
D) temperatures above 37°C 
E) high acidity 
A) carbon dioxide 
B) oxygen 
C) high salt 
D) temperatures above 37°C 
E) high acidity

Question 9

The term photoautotroph refers to an organism that  ________.

Accepted Answer

A) is a decomposer 
B) must obtain organic compounds for its carbon needs 
C) gets energy from sunlight 
D) gets energy by oxidizing chemical compounds 
E) does not need a carbon source 
A) is a decomposer 
B) must obtain organic compounds for its carbon needs 
C) gets energy from sunlight 
D) gets energy by oxidizing chemical compounds 
E) does not need a carbon source

Question 10

An 85-year-old female in a long-term care facility is prescribed verapamil for blood pressure management twice daily. The medication is classified as a calcium channel blocker.
-Which of the following describes the mechanism of action of calcium channel blockers?

Accepted Answer

A) Relaxation of arterial smooth muscle 
B) Relaxation of venous smooth muscle 
C) Relaxation of venous smooth muscle and reduction of impulse conduction 
D) Relaxation of arterial smooth muscle and reduction of impulse conduction 
A) Relaxation of arterial smooth muscle 
B) Relaxation of venous smooth muscle 
C) Relaxation of venous smooth muscle and reduction of impulse conduction 
D) Relaxation of arterial smooth muscle and reduction of impulse conduction

Question 11

Archaea,as a group,are not pathogens.This is because ________.

Accepted Answer

A) they evolved without mammals 
B) mammals evolved special defenses against them 
C) mammalian hosts do not meet their environmental requirements 
D) they are outcompeted by natural flora 
E) None of the choices are correct 
A) they evolved without mammals 
B) mammals evolved special defenses against them 
C) mammalian hosts do not meet their environmental requirements 
D) they are outcompeted by natural flora 
E) None of the choices are correct

Question 12

Bacteria living in a freshwater stream that are moved to salty seawater would  ________.

Accepted Answer

A) be in a hypotonic solution 
B) gain water 
C) be in an isotonic solution 
D) shrivel 
E) None of the choices are correct. 
A) be in a hypotonic solution 
B) gain water 
C) be in an isotonic solution 
D) shrivel 
E) None of the choices are correct.

Question 13

All of the following could find a location in or on body tissues suitable for growth except ________.

Accepted Answer

A) psychrophiles 
B) anaerobes 
C) facultative anaerobes 
D) mesophiles 
E) capnophiles 
A) psychrophiles 
B) anaerobes 
C) facultative anaerobes 
D) mesophiles 
E) capnophiles

Question 14

Anaerobes can be cultured in a CO₂ environment.

Accepted Answer

A) True 
 B)False

Question 15

When microbes live independently but cooperate and share nutrients,it is called ________.

Accepted Answer

A) symbiosis 
B) satellitism 
C) antibiosis 
D) mutualism 
E) synergism 
A) symbiosis 
B) satellitism 
C) antibiosis 
D) mutualism 
E) synergism

Question 16

Nutrient absorption is mediated by the ________.

Accepted Answer

A) cell wall 
B) peptidoglycan layer 
C) proteins in the periplasmic space 
D) cell membrane 
E) nuclear membrane 
A) cell wall 
B) peptidoglycan layer 
C) proteins in the periplasmic space 
D) cell membrane 
E) nuclear membrane

Question 17

Diffusion of water through a semipermeable membrane is called ________.

Accepted Answer

A) facilitated diffusion 
B) diffusion 
C) active transport 
D) osmosis 
E) endocytosis 
A) facilitated diffusion 
B) diffusion 
C) active transport 
D) osmosis 
E) endocytosis

Question 18

The E.coli that normally live in the human large intestines and produce vitamin K for the body to use would best be termed a ________ relationship.

Accepted Answer

A) parasitic 
B) saprobic 
C) commensal 
D) mutualistic 
E) None of the choices are correct. 
A) parasitic 
B) saprobic 
C) commensal 
D) mutualistic 
E) None of the choices are correct.

Question 19

The production of antibiotics is a form of antagonism called ________.

Accepted Answer

A) symbiosis 
B) satellitism 
C) antibiosis 
D) mutualism 
E) synergism 
A) symbiosis 
B) satellitism 
C) antibiosis 
D) mutualism 
E) synergism

Question 20

Which of the following require the cell to use ATP?

Accepted Answer

A) Facilitated diffusion 
B) Diffusion 
C) Endocytosis 
D) Osmosis 
E) None of the choices are correct. 
A) Facilitated diffusion 
B) Diffusion 
C) Endocytosis 
D) Osmosis 
E) None of the choices are correct.

Exam 6: Microbial Nutrition and Growth

Most of the dry weight of a microbial cell is from ________.

An organism that does not use oxygen in its metabolic pathways but can survive in its presence is a(n)________.

An organism with a temperature growth range of 45°C to 60°C would be called a(n)________.

Cultures of a bacterial species were incubated out on the incubator shelf,in an anaerobic jar,and in a candle jar.After incubation,there was moderate growth of cultures in the candle and anaerobic jars,but heavy growth of the culture on the incubator shelf.This species is a(n)________.

Microorganisms require large quantities of ________ for use in cell structure and metabolism.

Bacteria have an average generation time of 24 hours.

A microorganism that does not have catalase or superoxide dismutase would find it difficult to live in an environment with ________.

The term photoautotroph refers to an organism that ________.

An 85-year-old female in a long-term care facility is prescribed verapamil for blood pressure management twice daily. The medication is classified as a calcium channel blocker. -Which of the following describes the mechanism of action of calcium channel blockers?

Archaea,as a group,are not pathogens.This is because ________.

Bacteria living in a freshwater stream that are moved to salty seawater would ________.

All of the following could find a location in or on body tissues suitable for growth except ________.

Anaerobes can be cultured in a CO₂ environment.

When microbes live independently but cooperate and share nutrients,it is called ________.

Nutrient absorption is mediated by the ________.

Diffusion of water through a semipermeable membrane is called ________.

The E.coli that normally live in the human large intestines and produce vitamin K for the body to use would best be termed a ________ relationship.

The production of antibiotics is a form of antagonism called ________.

Which of the following require the cell to use ATP?

Introduction to Microbes and Their Building Blocks

Tools of the Laboratory: Methods for the Culturing and Microscopic Analysis of Microorganisms

Bacteria and Archaea

Eukaryotic Cells and Microorganisms

Viral Structure and Multiplication

Microbial Metabolism

Microbial Genetics and Genetic Engineering

Physical and Chemical Control of Microbes

Antimicrobial Treatment

Interactions Between Microbes and Humans

Host Defenses I: Overview and Nonspecific Defenses

Host Defenses II: Specific Immunity and Immunization

Disorders in Immunity

Diagnosing Infections

Infectious Diseases Affecting the Skin and Eyes

Infectious Diseases Affecting the Nervous System

Infectious Diseases Affecting the Cardiovascular and Lymphatic Systems

Infectious Diseases Affecting the Respiratory Systems

Infectious Diseases Affecting the Gastrointestinal Tract

Infectious Diseases Affecting the Genitourinary System

One Health: the Interconnected Health of the Environment, humans, and Other Animals

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