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Which of the following is a main difference in the procedures of a vascath and permcath insertions?

EXTRA CREDIT: (3 points possible) Fill out the epidemiological information below based on the following scenario. A small rural village is experiencing a disease outbreak. 32 people have become ill over the past week and are experiencing watery diarrhea, vomiting and dehydration. You investigate the area and find that they have been disposing of human waste upstream of their village. You collect a water sample and find high numbers of Vibrio cholera bacteria in the sample. What is the incidence of the disease over the past week? (1pt) What is the host?(0.5 pt) What is the etiologic agent? (0.5 pt) What would you do to prevent the spread of this disease and prevent another outbreak in the future? (1 pt)

The structure of the small intestine is well suited for its function. Which of the following best describes a structure-function relationship found in the small intestine?

What is the overall function of the digestive system?

What is the fundamental difference in the adaptive immune system’s response between the first and second exposure to an antigen?

Surface barriers, like the skin, is an example of the ________ defense system.

How do antibodies work? (select all that apply)

Why do we need bile to emulsify lipids?

T-cell receptors are proteins expressed on the surface of T-cells that bind to antigens. Each T-cell receptor can only bind one antigen. How many kinds of T-cell receptors does each T-cell express? In other words, how many antigens can each T-cell recognize?

Match the following accessory organs of the digestive system to their functions.