the correct letter answer is B.
The term blind sport denotes the small gap in the visual field. It is the location on the retina known as the optic disk where the optic nerve fiber exit the back of the eye. This small gap in the visual field is caused because there are no cones or rods at this point on the retina. So, the correct answer is B: It's is an area of the retina where there are no rods or cones.
The options to choose from are: portal of exit, reservoir, portal of entry
The answers are JoAnn is the reservoir in the chain of transmission. The mucus from her cough is the portal of exit in the chain of transmission.
JoAnn is the reservoir because the cold is stored in her body. The mucus is the portal of exit because it is being coughed up outside the body.
Cold and cough are one of the most common illnesses associated with pathogenic attacks in the body. It affects the respiratory system of the body.
The secretion of mucus and cough from the lungs to the outside is the portal of exit. Joann's cough is the portal of exit in the chain of transmission.
The reservoir in a chain of transmission refers to the habitat or place where the pathogenic agent lives, reproduces and grows. The lungs of Joann are the reservoir in the chain of transmission.
Thus, the statements for the fill-in blanks can be given as:
She is coughing up mucus (a respiratory secretion) from her lungs. Joann is the reservoir in the chain of transmission. the mucus from her cough is the portal of exit in the chain of transmission.
Learn more about the chain of transmission here:
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2. CPR should only be performed when a person does not have a pulse.
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3. whenever you suspect a person is choking, the Heimlich maneuver should be performed immediately.
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4. the letters "CPR" mean cardiopulmonary respiration.
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