Exam 12: Host Defenses I: Overview and Nonspecific Defenses

The mother of a 6-year-old child brings her daughter to the pediatrician's office because she has had a sore throat, cough, and fever for several days. She reports a fever up to 104°F that worsens at night, but seems to respond to treatment with acetaminophen. The child has not been eating or drinking well because she says, "it hurts to swallow." She is ill appearing, and does not seem interested in playing with the toys that are in the examination room. The physician notes a thick, white exudate on both of the patient's tonsils, which also seem enlarged. A throat culture and complete blood count with differential is ordered. -The nurse examines the child's tonsils while preparing to swab them with the culture swab.A white pustule coating is noted to be covering the tonsils.What is this pus composed of? 

The human microbiome is considered an important component of the first line of defense.  Which statement adequately reflects its role as a defensive barrier?

This body region is protected by fatty acids,acidic pH,lactic acid,and a tough cell barrier with its own normal biota.

The blood cells that function in allergic reactions and inflammation,contain peroxidase and lysozyme,and particularly target parasitic worms and fungi are ________.

Diapedesis is the ________.

The ________ system of blood proteins acts to lyse foreign cells and viruses.

Immune system cells differentiate between self and foreign cells by their ________.

Inflammatory responses are orchestrated by the immune system and are part of the body's third line of defense.

Which of the following is not a mechanism employed by the human microbiota to contribute to the first line of defense?

When monocytes migrate from the blood out to the tissues they are transformed by inflammatory mediators to develop into ________.

During what process are hypochlorite and hydrogen peroxide produced to destroy bacteria and inhibit viral replication?

Which of the following is incorrect about complement?

The production of interferon will protect the host cell from a viral infection.