Garantie de satisfaction à 100% Disponible immédiatement après paiement En ligne et en PDF Tu n'es attaché à rien
logo-home
Recherché précédemment par vous
Recherché précédemment par vous
logo
C453 V5 Clinical Microbiology Study Questions and answers (from module 1-19) 2024 Western Governors University $15.49
Ajouter au panier
Accédez rapidement à
Aperçu
  2.  
  3. Western Governors University
  4.  
  5. WGU C453 Clinical Microbiology

Examen

C453 V5 Clinical Microbiology Study Questions and answers (from module 1-19) 2024 Western Governors University
 1 fois vendu

C453 V5 Clinical Microbiology Study Questions and answers (from module 1-19) 2024 Western Governors University

Aperçu 4 sur 82  pages

Infos sur le Document

  • 25 mars 2024
  • 82
  • 2023/2024
  • Examen
  • Questions et réponses

Sujets

  • c453
  • c453 v5 clinical microbiology
  • wgu c453 clinical microbiology
  • c453 clinical microbiology

École, étude et sujet

Tous les documents sur ce sujet (6)

Vendeur

avatar-seller
smartzone

Avis reçus

Aperçu du contenu

C453 V5 Clinical Microbiology Study
Questions and answers (from module 1-19)
2024 Western Governors University
Unit 1: Types of Microorganisms Module 1: Bacteria
Lesson 1: Foundational Contributions
Lesson 2: Characteristics of Microorganisms:
1)Describe the general characteristics of bacteria by answering the following questions.
a.Are bacteria prokaryotic or eukaryotic? Why? Prokaryotic because their genetic material (DNA) is not housed within a true nucleus.
b.Single-celled or multicellular? Why? Usually unicellular
c.Can they be seen with the naked eye? Why? No; typically they are about 1um (need to be at least 100um to be visible without a microscope
2)Describe the following bacterial shapes:
a.Coccus: round/spherical
b.Coccobacillus: short rod c.Vibrio curved rod (comma shaped)
d.Bacillus rod
e.Spirillum: spiral
f.Spirochete: long, loose, helical spiral
3)Describe the difference between a halophilic and a halotolerant microorganism. Halophilic requires high salt concentrations for growth; halotolerant grow in the presence of high salt, but do not require it.
4)Describe the endospores by answering the following questions.
a.What is the function of an endospore? Protects the bacterial genome in a dormant state when environmental conditions are unfavorable
b.How are endospores made? Describe the process in detail. (ex.: What is the first step, what’s next, etc.)
1) DNA replicates 2) membranes form around the DNA 3)Forespore forms additional membranes4) Protective cortex forms around the spore
5) Protein coat forms around the coretex6) spore is released
c.How do endospores germinate? Water and nutrients penetrate the spore coat. The spore coat is broken down, and the cell begins rehydrating. d.Name the bacteria that produce endospores. What diseases do they cause? (Unit 6 will help with the diseases.) gram-positive; Bacillus (B. anthracis) clostridium (c. tetani, c. difficile, c. perfringens, c. botulinum
5)Describe the structure and function of the cell (plasma) membrane. Bilayer composed of mostly phospholipids and proteins; cell-to-cell communication, and sensing environmental conditions and pathogenic virulence factors.
6)Name examples of wall-deficient bacteria. How do they survive without a cell wall? Mycoplasma sp.; they have sterols in their plasma membranes that provide additional support.
7)Describe the function of the cell wall. To protect the cell from harsh conditions in the outside environment.
8)Describe the components of the following cell walls, including the size of the peptidoglycan layer and fully describe any unique components of the cell wall:
a.Gram positive many layers of peptidoglycan with embedded teichoic acid external to the
plasma membrane.
b.Gram negative contain inner membrane, thin layer of peptidoglycan, and an outer membrane containing lipopolysaccharide.
c.Acid-fast 60% lipid (mycolic acid) & 40% peptidoglycan
9)Gram negative cell walls contain an endotoxin called lipopolysaccharide (LPS). What are
the effects of LPS? When is LPS released? Contributes to symptoms such as fever,
hemorrhaging and septic shock. LPS is released when the cell dies.
10)Describe the function of capsules. How are capsules used to promote infection? Capsules allow cells to adhere to surfaces, aiding in the formation of biofilms (colonies of microbes that form in layers on surfaces). The capsule can make it more difficult for phagocytic cells to engulf and kill the microorganism.
11)Describe the function of pili. How are pili used to promote infection? Pili are protein appendages that aid in attachment to surfaces such as host cells which is important for colonization.
12)Describe the function of flagella. Used by cells to move in aqueous environments
13)Describe positive and negative chemotaxis. Positive chemotaxis, movement toward a chemical attractant; negative chemotaxis, movement away from a repellent.
Lesson 3: Microbial Growth and Mechanism
1)What are virulence factors? Product of a pathogen that assists in its ability to cause infection & disease
2)What are exoenzymes? Provide some examples. Extracellular enzymes that enable them to invade host cells and deeper tissues. Glycohydrolase, aminohydrolase, nucleases, phospholipases 3)What are exotoxins? Provide some examples. Protein molecules that are produced by a wide variety of living pathogenic bacteria. Exp: botulinum toxin.
Intracellular-targeting toxins: cholera, tetanus, diphtheria, botulinum
Membrane-disrupting: streptolysin, pneumolysin, alpha-toxin, beta-toxin, phospholipase Superantigens: toxic shock syndrome, streptococcal, mitogenic, streptococcal pyrogenic Module 2: Gram Staining
Lesson 1: Purpose of Gram Staining
Please note that the material in Lesson 1: Purpose of Gram Staining is for task
1 only. Module 3: Viruses
Lesson 1: Acellular Pathogens
1)Describe the basic characteristics of a virus. They do not contain cells; they consist of nucleic acid (either RNA or DNA) surrounded by protein coat (capsid) composed of capsomeres
2)How are naked and enveloped viruses different? How do enveloped viruses gain their envelope? Naked virus is formed with only a nucleic acid and capsid; An enveloped virus is formed with nucleic-acid packed capsid surrounded by a lipid bilayer obtained as viron buds from a host cell.
3)Complete the tables below. Please refer to Table 3.2 “Common Pathogenic Viruses in the “Classification and Taxonomy of Viruses”.
Double-stranded DNA viruses (dsDNA) with envelope
Double-stranded DNA viruses (dsDNA)
Family NameVirus NameInfection or Disease
AdenoviridaeHuman adenovirusResp. infection (common cold)
papovaviridaepapillomavirus Genital warts, cervical/vulvar/vaginal cancer
hepadnavirida
eHepatitis B virusHepatitis BFamily Name Virus Name Infection or Disease
Poxviridae orthopoxvirus Small pox, cowpox
poxviridae parapoxvirus Skin lesions
herpesviridae simplexvirus Cold sores, genital herpes, STDs

Les avantages d'acheter des résumés chez Stuvia:

Qualité garantie par les avis des clients

Qualité garantie par les avis des clients

Les clients de Stuvia ont évalués plus de 700 000 résumés. C'est comme ça que vous savez que vous achetez les meilleurs documents.

L’achat facile et rapide

L’achat facile et rapide

Vous pouvez payer rapidement avec iDeal, carte de crédit ou Stuvia-crédit pour les résumés. Il n'y a pas d'adhésion nécessaire.

Focus sur l’essentiel

Focus sur l’essentiel

Vos camarades écrivent eux-mêmes les notes d’étude, c’est pourquoi les documents sont toujours fiables et à jour. Cela garantit que vous arrivez rapidement au coeur du matériel.

Foire aux questions

Qu'est-ce que j'obtiens en achetant ce document ?

Vous obtenez un PDF, disponible immédiatement après votre achat. Le document acheté est accessible à tout moment, n'importe où et indéfiniment via votre profil.

Garantie de remboursement : comment ça marche ?

Notre garantie de satisfaction garantit que vous trouverez toujours un document d'étude qui vous convient. Vous remplissez un formulaire et notre équipe du service client s'occupe du reste.

Auprès de qui est-ce que j'achète ce résumé ?

Stuvia est une place de marché. Alors, vous n'achetez donc pas ce document chez nous, mais auprès du vendeur smartzone. Stuvia facilite les paiements au vendeur.

Est-ce que j'aurai un abonnement?

Non, vous n'achetez ce résumé que pour $15.49. Vous n'êtes lié à rien après votre achat.

Peut-on faire confiance à Stuvia ?

4.6 étoiles sur Google & Trustpilot (+1000 avis)

64302 résumés ont été vendus ces 30 derniers jours

Fondée en 2010, la référence pour acheter des résumés depuis déjà 15 ans

Commencez à vendre!

Récemment vu par vous

Cas ·

(0)

CSM Leiden - Final Assignment Making Friend and Influencing People: International Cooperation and Covert Action

Examen ·

(1)

Zabbix Certified Specialist Exam (4) (Latest 2024/ 2025 Update) Questions and Verified Answer| 100% Correct| Grade A

Interview ·

(0)

Cours de grammaire pour le bac de français (Négation, interrogation et relations dans la phrase complexe)

Examen ·

(1)

DBIA EXAM 1 LATEST 2024 ACTUAL EXAM 200 QUESTION AND CORRECT ANSWERS VERIFIED ANSWERS ALREADY GRADED A

Resume ·

(0)

Samenvatting (hoofdstuk 1) Handboek ontwikkelingspsychopathologie bij kinderen en jeugdigen, Jakop Rigter

Examen ·

(0)

TEST BANK for Cost Accounting: With Integrated Data Analytics 1st Edition Karen Congo Farmer, Amy Fredin

Examen ·

(0)

Pharmacology 10th Edition McCuistion Test Bank;The Nursing Process and Patient-Centered Care Graded A Test Bank

Examen ·

(0)

NUR2474 PHARMACOLOGY FINAL EXAM 2023/2024 Update Verified Q&A 150 QUESTIONS WITH 100% CORRECT ANSWERS.

Examen ·

(0)

FDNYC F60 Fireguard Test Questions and Answers 100% Correct Latest 2024 Verified by Experts 100% Complete
$15.49  1x  vendu
  • (0)
Ajouter au panier
Ajouté