Which of the following is a hormone secreted by both the placenta and the corpus luteum during pregnancy and functions in suppressing the release of oxytocin?
A) progesterone
B) human chorionic gonadotropin
C) relaxin
D) placental prolactin
E) estrogen
C) relaxin
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When a clot is no longer needed, what is it dissolved by?
A. Prothrombin B. Platelet-derived growth factor C. Serotonin D. Plasmin E. Fibrinase
Sarah is resting in a chair for a long period of time; her calf and thigh muscles are totally relaxed. Next to her, Priya is also resting in a chair, but she is wiggling, kicking, tapping, and vibrating her legs; resulting in an pattern where her calf and thigh muscles are alternating between relaxed and contracted states. If all else is equal, who has the higher stroke volume, Sarah or Priya?
A. Sarah and Priya have the same stroke volume because they are both seated. B. Sarah has a higher stroke volume. C. Priya has a higher stroke volume. D. No significant difference in the stroke volume between Sarah and Priya can be predicted based on this information.
Which of the following is not found associated with spongy bone?
A) Trabeculae B) Osteons C) Osteocytes D) Canaliculi
Tissue perfusion in the heart decreases during ventricular ____ and increases during ventricular ____.
What will be an ideal response?