Which ligament failed to keep the head of the radius in place when the mother pulled on the boy's elbow?
a. anular ligament
b. ulnar collateral ligament
c. radial collateral ligament
d. coronoid ligament
a. anular ligament
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Development of lymphocytes involves (the)
A) colony-stimulating factors. B) lymph nodes. C) bone marrow. D) thymus. E) All of the answers are correct.
The organelle where energy is captured and stored in the chemical bonds of ATP is a
A) peroxisome. B) ribosome. C) Golgi apparatus. D) mitochondrion.
A pediatric surgeon is resecting a possible malignant mass from the liver of a neonate with cerebral palsy. The surgeon divides the round ligament of the liver during surgery. A fibrous remnant of which of the following fetal vessels is severed?
(A) Ductus venosus (B) Ductus arteriosus (C) Left umbilical vein (D) Right umbilical vein (E) Umbilical artery
Compared to skeletal muscle, smooth muscle
A) contracts more rapidly and relaxes more rapidly. B) contracts more slowly and relaxes more slowly. C) contracts more slowly and relaxes more rapidly. D) contracts more rapidly and relaxes more slowly.