Exam 3 BIOL 1407 Review

1) Which gland has (have) both endocrine and exocrine activity?

2) Interstitial fluid is:

3) Compare and Contrast positive feedback and negative feedback.

4) Draw and label a typical nerve.

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5) What do most types of communication between cells utilize?

6) Coordinating body functions via chemical signals is accomplished by what body system?

7) Prolactin stimulates mammary gland growth and development in mammals and regulates salt and water balance in freshwater fish. Many scientists think that this wide range of functions indicates that prolactin…..

8) Oxytocin and antidiuretic hormone are synthesized in the ______.

9) Iodine is added to table salt to help prevent deficiencies of an essential mineral needed for the proper function of the ______.

10) Fight-or-flight reactions include activation of what?

11) The body's reaction to PTH (parathyroid hormone), a reduction in plasma levels of calcium, can be opposed by?

12) Melatonin is secreted by?

13) Organisms with a circulating body fluid that is distinct from the fluid that directly surrounds the body's cells are likely to have what type of circulatory system?

14) Draw a heart and label the different parts. Where is blood oxygenated and nonoxygenatated. Where are the highest pressures and lowest pressures?

15) Heart rate will increase in the presence of increased (hormone) ______

16) An inflammation-causing signal released by mast cells at the site of an infection is ______.

17) The complement system is:

18) B cells have antigen receptors that bind to antigens that are either freely dissolved or present on the surface of invading/foreign cells. T cells have antigen receptors that ______

19) Antigens are:

20) A newborn who is accidentally given a drug that destroys the thymus would most likely ______.

21) The function of antibodies is to ______.

22) The receptors on T cells and B cells bind to what?

23) Secondary immune responses upon a second exposure to a pathogen are due to the activation of ______

24) Yearly vaccination of humans for influenza viruses is necessary because:

25) During human gestation, rudiments of all organs develop in which trimester?

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26) For normal human fertilization to occur what needs to happen?

27) As an embryo develops, new cells are produced as the result of ______

28) Contact of a sperm with signal molecules in the coat of an egg causes the sperm to undergo ______

29) What is the correct sequence of developmental milestones?

30) At the time of implantation, the human embryo is called a ______

33) From earliest to latest, the overall sequence of early development proceeds in what sequence?

Label the diagram and write what is going on in each place.