What health problems are associated with a deficiency of complement proteins?
A. Increased severity of allergy and other hypersensitivity reactions
B. Decreased resistance to bacterial and viral infections.
C. Decreased ability to recognize self from non-self
D. Increased rate of cancer development
B
Complement attaches to viruses and bacteria, making it easier for the neutrophils and macro-phages to phagocytose these invaders. Without the assistance of complement, the phagocytic cells are not as efficient in the process of phagocytosis and the person is more susceptible to bacterial and viral infections.
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Distraught at the persistent ringing in his ears and his inability to alleviate it, a 50-year-old man has visited his health care provider
After diagnostic testing, no objective cause (like impacted cerumen or vascular abnormality) was found. Given these testing results, which of the following teaching points by the care provider is most appropriate? A) "This is most often the result of a psychological disturbance, and therapy is often useful in relieving tinnitus." B) "There are many drugs such as blood pressure pills, relaxants, heart medications, and antihistamines that can cause tinnitus." C) "A specialist can listen with a sensitive microphone to determine whether you are actually hearing these sounds." D) "There are some treatments like tinnitus retraining therapy, which includes the extended use of low-noise generators, which has shown good success."
Which of the following would be most appropriate to use to help maintain a patent airway in an infant experiencing a respiratory emergency?
A) Neck hyperextension B) Head tilt–chin lift technique C) Jaw-thrust maneuver D) Small towel under shoulders
A nurse is speaking to a group of high school students about what it is like to be a nurse. What is one characteristic the nurse would cite as necessary to possess to be an effective nurse?
A) Sensitivity to cultural differences B) Team-focused nursing approach C) Strict adherence to routine D) One set cultural practice
Which of the following behaviors is associated with the defense mechanism of displacement?
A) After having a hard time at work, an individual comes home and yells at his spouse B) the patient refuses to speak about the problem with the nurse C) the individual takes on more responsibility at home D) the patient does not believe that he has an addiction