What is the action of the pronator teres and pronator quadratus?
A. To flex the elbow
B. To rotate the scapula medially
C. To depress the scapula
D. To turn the palm upward
E. To turn the palm downward
Answer: E
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Intramembranous ossification
A) produces flat bones, as in the bones of the roof of the skull. B) explains how a juvenile's bone can grow in length. C) occurs in the diaphysis of a long bone. D) occurs inside a bag of cartilage. E) occurs in all bones before birth.
All of the following are extraembryonic membranes EXCEPT the ________
A) allantois B) yolk sac C) chorion D) placenta
The posterior root of a spinal nerve contains ________fibers, while the anterior root contains ________ fibers.
A. motor; sensory B. sensory; association C. motor; association D. sensory; motor
This figure shows changes in blood pressure as blood flows through the systemic circuit away from the heart. What would be the approximate pressure in a blood vessel leaving the kidneys in an individual lying down?