Which two hormones in your body are absolutely essential for survival?
A) calcitonin and insulin
B) parathyroid hormone and aldosterone
C) estrogen and testosterone
D) somatotropin and cortisol
E) vasopressin and thyroxine
Ans: B) parathyroid hormone and aldosterone
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When a person is transfused with the wrong blood type,
A. fibrinogen is activated. B. the white cells clot. C. they bleed to death. D. the erythrocytes agglutinate. E. hemorrhaging occurs.
Using the figure below, identify the labeled items.
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: ______________________________
14) Label N: ______________________________
15) Label O: ______________________________
16) Label P: ______________________________
17) Label Q: ______________________________
18) Label R: ______________________________
19) Label S: ______________________________
20) Label T: ______________________________
21) Label U: ______________________________
22) Label V: ______________________________
23) Label W: ______________________________
24) Label X: ______________________________
25) Label Y: ______________________________
Exotic animals have no similarities to domestic animals
Indicate whether the statement is true or false
Which of the following statements about negative feedback is incorrect?
a. It exists when a change in a regulated variable triggers a response that opposes the change. b. It exists when the input to a system increases the output and the output inhibits the input. c. The control system's input and output continue to enhance each other. d. It is the method by which most of the body's control mechanisms operate. e. It helps maintain the body's dynamic, steady state.