Sensory transduction is defined as _______
A) a change in the amplitude of a receptor potential
B) the conversion of a light stimulus into pain
C) the disappearance of the perception of a stimulus
D) the conversion of a stimulus to a change in membrane potential
Ans: D) the conversion of a stimulus to a change in membrane potential
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Which of the following statements regarding intrinsic regulation of the heart is true?
A. If cardiac muscle cells are slightly stretched, they have a stronger contraction force. B. The heart's pumping effectiveness is greatly influenced by small changes in afterload. C. Stretching the SA node will decrease generation of action potentials in the node. D. If cardiac muscle cells are slightly stretched, they have a weaker contraction force. E. Decreased venous return increases cardiac output.
Compare a stenotic and insufficient valve
What will be an ideal response?
The largest folds in the small intestine are the __________.
a) villi b) haustra c) circular folds (plicae circulares) d) microvilli
On spring break you travel to Malibu, California. While there, you visit the famous Malibu beach to observe the parade of body builders. They each show off their massive muscles with the standard "pump you up" arm flexion. Which muscle would be least involved with this action?
A. Brachioradialis B. Biceps brachii C. Pronator teres D. Brachialis E. Supraspinatus