The stretch reflex, or myotatic reflex, is provoked by activation of which of the following in a stretched muscle?
A. muscle spindles
B. Golgi tendon organs
C. both A and B
D. neither A nor B
A. muscle spindles
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A secondary oocyte arrests in
A. prophase I. B. anaphase II. C. prophase II. D. metaphase II. E. metaphase I.
Paul has a horrible chainsaw accident and cuts several major blood vessels in his head and neck. As a result of this injury, you would expect to observe all of the following except
A) an increased heart rate. B) an increase in cardiac output. C) an increased secretion of renin by the kidneys. D) cold, clammy skin. E) an increased total peripheral resistance.
In the following illustration, what is the name of the vessel indicated by the arrow?
A) inferior parathyroid artery B) inferior thyroid artery C) thyroid ima artery D) accessory thyroid artery E) recurrent thyroid artery
Structure C is the
A) synovial membrane. B) joint capsule. C) hyaline cartilage. D) compact bone. E) periosteum.