Exam 12: Host Defenses I: Overview and Nonspecific Defenses

Which white blood cells comprise 3% to 7% of circulating WBCs,are phagocytic,and can migrate out into body tissues to differentiate into macrophages?

Lysozyme is found in ________.

The granules of basophils contain ________.

A low to moderate fever in an otherwise healthy person should be treated immediately with antipyretic drugs.

Leukocytes that are derived from monocytes and have long,thin processes to trap pathogens are ________.

Complement proteins are produced by the spleen.

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 patient's mother expresses concern about her daughter's fevers.She states that the fevers are a sign that her child is unable to fight this infection.What is a proper response to these concerns?  

Which of the following is not a component of the second line of defense?

A 35-year-old male presents to the ER with a laceration on his left hand. The patient reports an hour ago he was working on renovations in his 1945 home, when an old board fell and injured his hand. The laceration is approximately 3 inches long and moderately deep. It appears that the cut was bleeding heavily, but he has stopped the bleeding by holding pressure on the site with an old t-shirt. -What is the natural progression of healing for this wound?  

The lymphoid tissues of the intestinal tract are collectively referred to as ________.

A 16-year-old male with cystic fibrosis is admitted to the inpatient pulmonary unit. He has been hospitalized several times in the past year with respiratory infections, including Pseudomonas and H. influenza. Because of his thick mucous, airway inflammation, and immobile mucosal cilia, microorganisms are unable to be effectively cleared from his lungs. He is supposed to perform vigorous airway mucous clearance measures at home with a vibrating vest and IPV (intrapulmonary percussive ventilation) device. However, the patient states that his treatment takes hours and he does not always feel sick. He estimates his compliance with home airway clearance regimen to be less than 50%. -The patient asks the nurse to explain what cilia are.All of the following statements are correct except ________.

Which of the following is mismatched?

A 16-year-old male with cystic fibrosis is admitted to the inpatient pulmonary unit. He has been hospitalized several times in the past year with respiratory infections, including Pseudomonas and H. influenza. Because of his thick mucous, airway inflammation, and immobile mucosal cilia, microorganisms are unable to be effectively cleared from his lungs. He is supposed to perform vigorous airway mucous clearance measures at home with a vibrating vest and IPV (intrapulmonary percussive ventilation) device. However, the patient states that his treatment takes hours and he does not always feel sick. He estimates his compliance with home airway clearance regimen to be less than 50%. -Following teaching by the medical team,the patient asks "can I just do my airway clearance exercises when I am not feeling well and on the weekends,even though the doctor tells me I have to do them every day?" What is a correct response by the nurse?

Which gland shrinks in size during adulthood and has hormones that function in maturation of T lymphocytes?

Which of the following lymphoid organs or tissues has the immunological function of filtering pathogens from the blood?

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. -What is the most likely cause of the patient's swollen tonsils? 

Which statement below characterizes the complement system?

Nonspecific chemical defenses include ________.

A 35-year-old male presents to the ER with a laceration on his left hand. The patient reports an hour ago he was working on renovations in his 1945 home, when an old board fell and injured his hand. The laceration is approximately 3 inches long and moderately deep. It appears that the cut was bleeding heavily, but he has stopped the bleeding by holding pressure on the site with an old t-shirt. -At this phase of injury,how would the nurse expect the area surrounding the laceration to present?  

Monocytes and lymphocytes are agranular leukocytes.