A reservoir host who is unaware of the presence of the pathogen, exhibits no symptoms of the infection, and spreads the disease is called a(n) ________.
Fill in the blank(s) with the appropriate word(s).
carrier
A human carrier is a reservoir host who is unaware of the presence of the pathogen and so spreads the disease.
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Automaticity is the ability of cardiac pacemaker cells to:
A) spontaneously generate their own electrical impulses without external stimulation B) respond to an electrical stimulus C) receive an electrical impulse D) cause cardiac muscle contraction
Which of the following types of shock includes the presence of warm, dry skin below the level of injury and a normal pulse rate?
A) Anaphylactic B) Neurogenic C) Septic D) Cardiogenic
A pathogen is a:
A) microorganism. B) non-disease causing organism. C) disease causing organism. D) all of the above.
A 49-year-old truck driver comes to the emergency room for shortness of breath and swelling in his ankles. He is diagnosed with congestive heart failure and admitted to the hospital. You are the student assigned to do the patient's complete history and physical examination. When you palpate the pulse, what do you expect to feel?
A) Large amplitude, forceful B) Small amplitude, weak C) Normal D) Bigeminal