Which item on the diagram of the cycle of infection is the method by which a pathogen can enter a new host?
A. A
B. B
C. C
D. D
E. E
D. D
The means of entrance to the susceptible host can be through any cavity lined with mucous membrane, or through the ears, eyes, intestinal tract, urinary tract, or breaks in the skin.
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Swimmer's ear is also known as:
A) otitis media. B) otitis externa. C) otitis interna. D) none of the above.
Which of the following BEST describes a fear common to children?
A. They are frightened by large groups of people. B. They can be scared by stories about burned pets. C. They do not like to repeat words after adults to learn them. D. They are scared to practice safety procedures in front of others.
In the cardiac cycle, the period of cardiac rest is called:
A. diastole. B. stenosis. C. systole. D. ischemia.
Which of the following structures is common to both the digestive and respiratory system?
Esophagus Pharynx Trachea Alveoli