These receptors respond to pain caused by external and internal stimuli.
A. Chemoreceptors
B. Mechanoreceptors
C. Nociceptors
D. Thermoreceptors
E. Photoreceptors
Answer: C
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The ability of the kidney to concentrate urine depends on
A. a high medullary concentration gradient. B. proximal convoluted tubule reabsorption. C. a low medullary concentration gradient. D. rapid removal of filtrate. E. osmosis.
During the swallowing reflex __________.
a) the epiglottis closes off the glottis b) breathing rate increases c) the esophageal sphincter closes off the esophagus d) the tongue closes off the pharynx
The leverage of the biceps brachii applies its force six times closer to the fulcrum (elbow joint) than the resistance. This means it will need to exert ________ kg of force to support a load of 6 kg
A) 1 B) 6 C) 36 D) 7 E) can't say from this information
Which of the following combining forms means atrium?
A. vas/o B. atri/o C. ather/o D. arter/o