Vasomotor tone can be increased by
A. taking a nap.
B. an increase in body temperature.
C. relaxing with a cup of tea.
D. soaking in a warm bathtub.
E. emotional excitement.
Answer: E
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An example of a receptor in a negative feedback loop controlling body temperature would be
A) temperature sensors on the skin that detect a stimulus. B) sweat glands that increase secretion. C) regulatory centers that send commands to an effector. D) effectors that cause blood vessels to dilate. E) sweat glands that act like effectors.
The blood vessel that carries blood to the arm and shoulder is the ________ artery
A) axillary B) subclavian C) brachial D) acromial E) brachiocephalic
The vastus lateralis, vastus medialis, and vastus intermedius muscles insert on the:
A) linea aspera of the femur. B) greater trochanter of the femur. C) superior margin of the acetabulum. D) patella and tibial tuberosity of the tibia.
Which of the following muscles is not innervated by the radial nerve?
A. Anconeus B. Supinator C. Triceps brachii D. Pronator teres