A pediatrician tapped the knee of a child. She found that the child's patellar tendon reflex was abnormal. Which of the child's body areas might have problems?
A. Eyes, ears, or nose
B. Tibias, ankles, or feet
C. Knees, thighs, or hips
D. Muscles, nerves, or spinal cord
Answer: D
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What causes the pumping action (influx and outflux of water containing nutrients and waste) of the intervertebral discs in adults?
A. blood supply B. body motion C. neural activity D. both A and B E. all of the above
How are molarity and osmolarity different? What property of salts necessitates this distinction? How does this property affect the behavior of water?
What will be an ideal response?
The cardiac output is equal to
a. (EDV - ESV) x HR b. heart rate x EDV c. the difference between the stroke volume at rest and the stroke volume during exercise d. the stroke volume minus the ESV e. heart rate x blood pressure
Proteins are
A. polymers made of repeating units of carbohydrates. B. monomers made of repeating subunits of polymers. C. monomers. D. polymers made up of amino acid monomers. E. neither monomers nor polymers.