NSG 561-UNIT II: PLATELET, HEMOSTASIS & COAGULATION DA REVIEW QUESTIONS
AND ANSWERS 2025
Chain of Infection - (ANSWER)A complete chain is necessary for infection to occur.
Susceptible host - (ANSWER)A person who is vulnerable to infection.
Causative organism - (ANSWER)The microorganism responsible for causing an infection.
Reservoir of available organisms - (ANSWER)The natural habitat where the organism lives and multiplies.
Portal of exit - (ANSWER)The path by which a pathogen leaves its host.
Mode of transmission - (ANSWER)The method by which an infectious agent is spread from one host to
another.
Mode of entry - (ANSWER)The way in which a pathogen enters a susceptible host.
Carrier - (ANSWER)A person who carries an organism without apparent signs and symptoms and is able
to transmit an infection to others.
Host - (ANSWER)A person who provides living conditions to support a microorganism.
Colonization - (ANSWER)Describes microorganisms present without host interference or interaction.
Infection - (ANSWER)Indicates host interaction with the organism.
Infectious disease - (ANSWER)The infected host displays a decline in wellness caused by the infection.
Transient flora - (ANSWER)Organisms that have been recently acquired and are likely to be shed in a
relatively short period of time.
,NSG 561-UNIT II: PLATELET, HEMOSTASIS & COAGULATION DA REVIEW QUESTIONS
AND ANSWERS 2025
World Health Organization (WHO) - (ANSWER)An international public health agency responsible for
coordinating responses to health emergencies.
Centers for Disease Control and Prevention (CDC) - (ANSWER)A federal agency responsible for
monitoring endemic and epidemic disease, recommending strategies to decrease disease incidence, and
developing guidelines to reduce risk to patients and health care workers.
Occupational Safety and Health Administration (OSHA) - (ANSWER)An agency that sets and enforces
standards to ensure safe and healthful working conditions.
Local agencies - (ANSWER)Organizations that provide public health services at the community level.
Hospital and facility infection control specialists - (ANSWER)Professionals responsible for implementing
infection control policies in healthcare settings.
Facility policies - (ANSWER)Guidelines established by healthcare facilities to manage infection control.
Standard precautions - (ANSWER)Used for all patients; the primary strategy for preventing health care-
associated infection (HAI).
Transmission-based precautions - (ANSWER)For patients with known infectious diseases spread by
airborne, droplet, or contact routes.
Hand hygiene - (ANSWER)An essential element of standard precautions to prevent infection.
Use of gloves and other barriers - (ANSWER)Part of standard precautions to prevent transmission of
microorganisms.
, NSG 561-UNIT II: PLATELET, HEMOSTASIS & COAGULATION DA REVIEW QUESTIONS
AND ANSWERS 2025
Proper handling of patient care equipment and linen - (ANSWER)A key element of standard precautions
to minimize infection risk.
Environmental control - (ANSWER)An element of standard precautions focused on maintaining a clean
environment.
Prevention of injury from sharp devices and needles - (ANSWER)An important aspect of standard
precautions to protect health care workers.
Patient placement - (ANSWER)An element of standard precautions that involves strategic positioning of
patients.
Airborne precautions - (ANSWER)Used for TB, varicella, and other airborne pathogens; requires a
negative pressure room.
Droplet precautions - (ANSWER)Used for organisms transmitted by close contact with respiratory or
pharyngeal secretions.
Contact precautions - (ANSWER)Used for organisms spread by skin-to-skin contact, such as antibiotic-
resistant organisms.
COVID-19 precautions - (ANSWER)Involves a combination of transmission-based precautions, increased
use of PPE, enhanced cleaning, and adjusted visitor policies.
C. difficile - (ANSWER)Most common cause of health care-associated infections (HAIs).
Methicillin-resistant S. aureus (MRSA) - (ANSWER)Includes health care-associated MRSA and
community-associated MRSA.
AND ANSWERS 2025
Chain of Infection - (ANSWER)A complete chain is necessary for infection to occur.
Susceptible host - (ANSWER)A person who is vulnerable to infection.
Causative organism - (ANSWER)The microorganism responsible for causing an infection.
Reservoir of available organisms - (ANSWER)The natural habitat where the organism lives and multiplies.
Portal of exit - (ANSWER)The path by which a pathogen leaves its host.
Mode of transmission - (ANSWER)The method by which an infectious agent is spread from one host to
another.
Mode of entry - (ANSWER)The way in which a pathogen enters a susceptible host.
Carrier - (ANSWER)A person who carries an organism without apparent signs and symptoms and is able
to transmit an infection to others.
Host - (ANSWER)A person who provides living conditions to support a microorganism.
Colonization - (ANSWER)Describes microorganisms present without host interference or interaction.
Infection - (ANSWER)Indicates host interaction with the organism.
Infectious disease - (ANSWER)The infected host displays a decline in wellness caused by the infection.
Transient flora - (ANSWER)Organisms that have been recently acquired and are likely to be shed in a
relatively short period of time.
,NSG 561-UNIT II: PLATELET, HEMOSTASIS & COAGULATION DA REVIEW QUESTIONS
AND ANSWERS 2025
World Health Organization (WHO) - (ANSWER)An international public health agency responsible for
coordinating responses to health emergencies.
Centers for Disease Control and Prevention (CDC) - (ANSWER)A federal agency responsible for
monitoring endemic and epidemic disease, recommending strategies to decrease disease incidence, and
developing guidelines to reduce risk to patients and health care workers.
Occupational Safety and Health Administration (OSHA) - (ANSWER)An agency that sets and enforces
standards to ensure safe and healthful working conditions.
Local agencies - (ANSWER)Organizations that provide public health services at the community level.
Hospital and facility infection control specialists - (ANSWER)Professionals responsible for implementing
infection control policies in healthcare settings.
Facility policies - (ANSWER)Guidelines established by healthcare facilities to manage infection control.
Standard precautions - (ANSWER)Used for all patients; the primary strategy for preventing health care-
associated infection (HAI).
Transmission-based precautions - (ANSWER)For patients with known infectious diseases spread by
airborne, droplet, or contact routes.
Hand hygiene - (ANSWER)An essential element of standard precautions to prevent infection.
Use of gloves and other barriers - (ANSWER)Part of standard precautions to prevent transmission of
microorganisms.
, NSG 561-UNIT II: PLATELET, HEMOSTASIS & COAGULATION DA REVIEW QUESTIONS
AND ANSWERS 2025
Proper handling of patient care equipment and linen - (ANSWER)A key element of standard precautions
to minimize infection risk.
Environmental control - (ANSWER)An element of standard precautions focused on maintaining a clean
environment.
Prevention of injury from sharp devices and needles - (ANSWER)An important aspect of standard
precautions to protect health care workers.
Patient placement - (ANSWER)An element of standard precautions that involves strategic positioning of
patients.
Airborne precautions - (ANSWER)Used for TB, varicella, and other airborne pathogens; requires a
negative pressure room.
Droplet precautions - (ANSWER)Used for organisms transmitted by close contact with respiratory or
pharyngeal secretions.
Contact precautions - (ANSWER)Used for organisms spread by skin-to-skin contact, such as antibiotic-
resistant organisms.
COVID-19 precautions - (ANSWER)Involves a combination of transmission-based precautions, increased
use of PPE, enhanced cleaning, and adjusted visitor policies.
C. difficile - (ANSWER)Most common cause of health care-associated infections (HAIs).
Methicillin-resistant S. aureus (MRSA) - (ANSWER)Includes health care-associated MRSA and
community-associated MRSA.
