Ovarian granulosa cells synthesize estradiol, which is produced by the theca interna cells from ________.
A. testosterone
B. progesterone
C. LH
D. FSH
Answer: A
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Carpometacarpal joint 1 is what type of joint?
A. hinge B. condyloid C. saddle D. none of the above
________ burns injure the epidermis and the upper regions of the dermis.
Fill in the blank(s) with the appropriate word(s).
Which of the following is not a function of thrombin?
a. stimulates conversion of fibrinogen to fibrin b. activates tissue thromboplastin, which initiates the extrinsic clotting pathway c. activates factor XIII (fibrin-stabilizing factor) d. enhances platelet aggregation e. acts in positive-feedback fashion to facilitate its own formation
Acid-base buffer systems minimize pH changes by
A. Converting weak acids to strong acids B. Converting strong acids to weak acids C. Causing the breathing rate to increase D. Promoting the excretion of hydrogen ions