What cells of the stomach secrete pepsinogen?
a. stem cells
b. mucous cells
c. goblet cells
d. parietal cells
e. chief cells
e
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You have a condition in which your fibroblasts are functional, but very inefficient and produce collagen at a slow rate. You accidentally cut yourself. What will be true of the healing process?
A. Heavy scar tissue will be produced in the wound. B. The process of wound closing in the dermis will be very slow. C. Only the epidermis will heal. The dermis will remain injured until medical intervention occurs. D. No scab or clotting will form.
Structurally, the most common type of neuron is the ________ neuron.
A. unipolar B. multipolar C. bipolar D. pseudounipolar
Using the figure below, identify the labeled part.
1) Label A: ______________________________
2) Label B: ______________________________
3) Label C: ______________________________
4) Label D: ______________________________
5) Label E: ______________________________
6) Label F: ______________________________
7) Label G: ______________________________
8) Label H: ______________________________
9) Label I: ______________________________
10) Label J: ______________________________
11) Label K: ______________________________
12) Label L: ______________________________
13) Label M: ______________________________
When a vessel is damaged, chemicals are released from the vessel walls that attract platelets to the site of the damage. As they accumulate, more chemicals that attract more platelets to the area until the bleeding stops. This represents ________ feedback, with the platelets acting as the ________.
A. positive; effectors B. negative; integrating center C. negative; sensors D. positive; integrating center