Microbiology an Introduction

Audio Recording Jun 4, 2022 at 6:47:29 AM. Microbiology an Introduction.

Audio Recording Jun 4, 2022 at 6:48:07 AM. Micrograph Naegleria ameba, shown as red, round cells, in human brain tissue..

Structure and Function of the Nervous System (1 of 3).

Audio Recording Jun 4, 2022 at 6:54:45 AM. Structure and Function of the Nervous System (2 of 3).

Audio Recording Jun 4, 2022 at 6:55:04 AM. Figure 22.1 The Human Nervous System.

Audio Recording Jun 4, 2022 at 6:56:17 AM. Figure 22.2 The Meninges and Cerebrospinal Fluid.

Audio Recording Jun 4, 2022 at 6:58:22 AM. Structure and Function of the Nervous System (3 of 3).

Check Your Understanding-1. Check Your Understanding Why can the antibiotic chloramphenicol readily cross the blood–brain barrier, whereas most other antibiotics cannot? 22-1 Encephalitis is an inflammation of what organ or organ structure? 22-2.

Bacterial Diseases of the Nervous System (1 of 2).

Bacterial Diseases of the Nervous System (2 of 2).

Audio Recording Jun 4, 2022 at 7:03:39 AM. Bacterial Meningitis.

Audio Recording Jun 4, 2022 at 7:05:21 AM. Haemophilus Influenzae Meningitis.

Audio Recording Jun 4, 2022 at 7:09:57 AM. Neisseria Meningitidis Meningitis (Meningococcal Meningitis) (1 of 2).

Audio Recording Jun 4, 2022 at 7:10:25 AM. Figure 22.3 Neisseria Meningitis.

Audio Recording Jun 4, 2022 at 7:13:40 AM. Neisseria Meningitidis Meningitis (Meningococcal Meningitis) (2 of 2).

Audio Recording Jun 4, 2022 at 7:15:46 AM. Diagnosis and Treatment of the Most Common Types of Bacterial Meningitis.

Audio Recording Jun 4, 2022 at 7:16:04 AM. Figure 22.4 Spinal Tap (Lumbar Puncture).

Audio Recording Jun 4, 2022 at 7:31:34 AM. Listeriosis.

Audio Recording Jun 4, 2022 at 7:32:22 AM. Figure 22.5 Cell-To-Cell Spread of Listeria Monocytogenes, the Cause of Listeriosis.

Check Your Understanding-2. Check Your Understanding Why is meningitis caused by the pathogen Listeria monocytogenes frequently associated with ingestion of refrigerated foods? 22-3 What body fluid is sampled to diagnose bacterial meningitis? 22-4.

Audio Recording Jun 4, 2022 at 7:37:33 AM. Tetanus (1 of 2).

Audio Recording Jun 4, 2022 at 7:40:02 AM. Tetanus (2 of 2).

Figure 22.6 An Advanced Case of Tetanus. Drawing of a man with an advanced case of tetanus arching his back intensely, balancing on his head and heels..

Check Your Understanding-3. Check Your Understanding Is the tetanus vaccine directed at the bacterium or the toxin produced by the bacterium? 22-5.

Audio Recording Jun 4, 2022 at 7:43:45 AM. Botulism.

Audio Recording Jun 4, 2022 at 7:44:00 AM. Figure 22.7 Funeral of an Oregon Family Wiped out by Botulism in 1924.

Audio Recording Jun 4, 2022 at 7:45:30 AM. Botulinal Types.

Audio Recording Jun 4, 2022 at 7:46:39 AM. Figure 22.8 Diagnosing Botulism by Identifying Botulinal Toxin Type.

Audio Recording Jun 4, 2022 at 7:49:58 AM. Incidence and Treatment of Botulism.

Check Your Understanding-4. Check Your Understanding The very name botulism is derived from the fact that sausage was the most common food causing the disease. Why is sausage now rarely a cause of botulism? 22-6.

Diseases in Focus: Meningitis and Encephalitis. A worker in a day-care center in eastern North Dakota becomes ill with fever, rash, headache, and abdominal pain. The patient has a precipitous clinical decline and dies on the first day of hospitalization. Diagnosis is confirmed by Gram staining of cerebrospinal fluid. Can you identify infections that could cause these symptoms?.

Audio Recording Jun 4, 2022 at 7:54:16 AM. Diseases in Focus 22.3 (1 of 5).

Audio Recording Jun 4, 2022 at 7:54:50 AM. Diseases in Focus 22.3 (2 of 5).

Audio Recording Jun 4, 2022 at 1:38:45 PM. Leprosy (1 of 2).

Audio Recording Jun 4, 2022 at 1:40:48 PM. Leprosy (2 of 2).

Audio Recording Jun 4, 2022 at 1:41:08 PM. Figure 22.9 Leprosy Lesions.

Check Your Understanding-5. Check Your Understanding Why are nude mice and armadillos important in the study of leprosy? 22-7.

Audio Recording Jun 4, 2022 at 1:41:30 PM. Viral Diseases of the Nervous System.

Audio Recording Jun 4, 2022 at 1:46:31 PM. Poliomyelitis (1 of 2).

Audio Recording Jun 4, 2022 at 1:48:37 PM. Figure 22.10 Polio Patients in Iron Lungs.

Audio Recording Jun 4, 2022 at 1:50:24 PM. Poliomyelitis (2 of 2).

Audio Recording Jun 4, 2022 at 1:50:39 PM. Figure 22.11 U.S. Annual Incidence of Poliomyelitis.

Check Your Understanding-6. Check Your Understanding Why is paralytic polio more likely to occur than a mild or asymptomatic infection in areas with high standards of sanitation? 22-8 Why is the Sabin oral polio vaccine more effective than the injected Salk polio vaccine? 22-9.

Audio Recording Jun 4, 2022 at 1:55:27 PM. Rabies (1 of 4).

Audio Recording Jun 4, 2022 at 1:55:47 PM. Clinical Focus 22.1b.

Audio Recording Jun 4, 2022 at 1:56:39 PM. Rabies (2 of 4).

Audio Recording Jun 4, 2022 at 1:57:09 PM. Figure 22.12 Pathology of Rabies Infection.

Audio Recording Jun 4, 2022 at 1:57:33 PM. Clinical Focus 22.1a.

Audio Recording Jun 4, 2022 at 1:58:20 PM. Rabies (3 of 4).

Audio Recording Jun 4, 2022 at 1:59:38 PM. Rabies (4 of 4).

Audio Recording Jun 4, 2022 at 1:59:57 PM. Figure 22.13 Reported Cases of Rabies in Animals (1 of 2).

Audio Recording Jun 4, 2022 at 2:02:09 PM. Figure 22.13 Reported Cases of Rabies in Animals (2 of 2).

Audio Recording Jun 4, 2022 at 2:03:07 PM. Lyssavirus Encephalitis.

Check Your Understanding-7. Check Your Understanding Why is postexposure vaccination for rabies a practical option? 22-10.

Audio Recording Jun 4, 2022 at 2:06:13 PM. Big Picture: Neglected Tropical Diseases (1 of 2).

Audio Recording Jun 4, 2022 at 2:06:33 PM. Big Picture pg. 622 (1 of 2).

Audio Recording Jun 4, 2022 at 2:08:47 PM. Big Picture pg. 622 (2 of 2).

Audio Recording Jun 4, 2022 at 2:10:19 PM. Big Picture: Neglected Tropical Diseases (2 of 2).

Audio Recording Jun 4, 2022 at 2:14:01 PM. Arboviral Encephalitis (1 of 3).

Arboviral Encephalitis (2 of 3). St. Louis encephalitis (SLE) Distributed mostly in the central and eastern United States Fewer than 1% of the infected show symptoms California encephalitis (CE) Mild and rarely fatal West Nile virus (WNV) Maintained in the bird-mosquito-bird cycle Carried by Culex mosquitoes Can cause poliolike paralysis and fatal encephalitis.

Audio Recording Jun 4, 2022 at 2:14:40 PM. Arboviral Encephalitis (3 of 3).

Audio Recording Jun 4, 2022 at 2:15:54 PM. Figure 22.14 California Serogroup Arbovirus Cases: 1964–2010.

Check Your Understanding-8. Check Your Understanding When there are serious local outbreaks of arboviral encephalitis, what is the usual response to minimize its transmission? 22-11.

Audio Recording Jun 4, 2022 at 2:16:14 PM. Diseases in Focus: Types of Arboviral Encephalitis.

Diseases in Focus 22.2 (1 of 3). Photograph of a mosquito, with the abdomen filled with blood..

Audio Recording Jun 4, 2022 at 2:17:53 PM. Diseases in Focus 22.2 (2 of 3).

Audio Recording Jun 4, 2022 at 2:18:41 PM. Diseases in Focus 22.2 (3 of 3).

Fungal Diseases of the Nervous System. Learning Objective 22-12 Identify the causative agent, reservoir, symptoms, and treatment for cryptococcosis..

Audio Recording Jun 4, 2022 at 5:43:24 PM. Cryptococcus Neoformans Meningitis (Cryptococcosis).

Audio Recording Jun 4, 2022 at 5:44:19 PM. Figure 22.15 Cryptococcus Neoformans.

Check Your Understanding-9. Check Your Understanding What is the most common source of airborne cryptococcal infections? 22-12.

Protozoan Diseases of the Nervous System. Learning Objective 22-13 Identify the causative agent, vector, symptoms, and treatment for African trypanosomiasis and amebic meningoencephalitis..

Audio Recording Jun 4, 2022 at 5:56:15 PM. African Trypanosomiasis (1 of 2).

Audio Recording Jun 4, 2022 at 6:06:27 PM. African Trypanosomiasis (2 of 2).

Audio Recording Jun 4, 2022 at 6:11:46 PM. Figure 22.16 How Trypanosomes Evade the Immune System.

Audio Recording Jun 4, 2022 at 6:18:38 PM. Amebic Meningoencephalitis.

Figure 22.17 Naegleria Fowleri. Micrograph, S E M, of two large Naegleria fowleri cells engulfing a smaller, dead ameba. Scale is 3 micrometers, one-sixth the length of Naegleria fowleri and one-third the diameter of the ameba..

Audio Recording Jun 4, 2022 at 6:19:23 PM. Clinical Case 22.2.

Check Your Understanding-10. Check Your Understanding What insect is the vector for African trypanosomiasis? 22-13.

Nervous System Diseases Caused by Prions (1 of 4).

Audio Recording Jun 4, 2022 at 6:30:49 PM. Nervous System Diseases Caused by Prions (2 of 4).

Audio Recording Jun 4, 2022 at 6:35:15 PM. Nervous System Diseases Caused by Prions (3 of 4).

Audio Recording Jun 4, 2022 at 6:35:29 PM. Figure 22.18 Spongiform Encephalopathies.

Audio Recording Jun 4, 2022 at 6:36:34 PM. Nervous System Diseases Caused by Prions (4 of 4).

Audio Recording Jun 4, 2022 at 6:43:45 PM. Figure 13.22 How a Protein Can Be Infectious.

Check Your Understanding-11. Check Your Understanding What are the recommendations for sterilizing reusable surgical instruments when prion contamination might be a factor? 22-14.

Disease Caused by Unidentified Agents. Learning Objective 22-15 List some possible causes of chronic fatigue syndrome..

Audio Recording Jun 4, 2022 at 6:45:47 PM. Chronic Fatigue Syndrome.

Check Your Understanding-12. Check Your Understanding Name one common disease that may be associated with chronic fatigue syndrome. 22-15.

Audio Recording Jun 4, 2022 at 6:48:29 PM. Diseases in Focus: Microbial Diseases with Neurological Symptoms or Paralysis.

Audio Recording Jun 4, 2022 at 6:48:41 PM. Diseases in Focus 22.3 (3 of 5).

Audio Recording Jun 4, 2022 at 6:49:02 PM. Diseases in Focus 22.3 (4 of 5).

Diseases in Focus 22.3 (5 of 5). Disease Pathogen Symptoms Method of Transmission Treatment Prevention Protozoan Disease Blank Blank Blank Blank Blank African Trypanosomiasis Trypanosoma brucei rhodesiense, T. b. gambiense Fatal infection; early symptoms (headache, fever) progress to coma Tsetse fly Suramin; pentamidine Vector control Prion Diseases Blank Blank Blank Blank Blank Creutzfeldt-Jakob Disease Prion Fatal infection; neurologic symptoms include trembling Inherited; ingested; Transplants None None Kuru Prion Same as Creutzfeldt- Jakob disease Contact or ingestion None None.