Give an example of synergism in hormones.
What will be an ideal response?
The liver will release glucose in the presence of glucagon or epinephrine. If both hormones are present the amount of glucose released is increased 150%.
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Both acetylcholine and norepinephrine can affect
A. exercise tolerance. B. synthesis of actin and myosin. C. smooth muscle contraction. D. skeletal muscle contraction.
Ten-year-old Tina falls while climbing a tree and lands on her back. Her frightened parents take her to the local emergency room where she is examined. Her knee jerk reflex is normal and she exhibits a negative Babinski reflex. These results suggest that
A) Tina has injured one of her descending nerve tracts. B) Tina suffered no damage to her spinal cord. C) Tina has a spinal injury in the lumbar region. D) Tina has injured one of her ascending nerve tracts. E) Tina has a spinal injury in the cervical region.
Kathy and Sally have been best friends since high school. Each is 5'5" tall and weighs about 160 lbs., which is considered to be overweight. Kathy's blood pressure is 125/82 and her blood analysis shows healthy levels of glucose and lipids. Sally's blood pressure is 135/87 and her blood analysis shows elevated glucose and triglycerides. Given that they are the same height and weight, would you
expect their blood analyses to be more similar? Explain. Would you expect their body shapes to be similar? Explain. Which one is more likely to be diagnosed with metabolic syndrome? Explain. What will be an ideal response?
The linea aspera is found on which bone?
A. The fibula B. The femur C. The tibia D. The humerus E. The ilium