At the end of 8 weeks, why is the conceptus considered a fetus?
A. All the primary germ layers are formed.
B. The amniotic cavity has formed.
C. All of the organ systems are present.
D. The neural tube and yolk sac have formed.
E. The mesoderm has formed.
C. All of the organ systems are present.
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What part of long bones contains high levels of oxygen?
A. Medulla B. Ends C. Shaft D. Marrow
Salivary gland secretion is primarily controlled by the
A. trigeminal nerve. B. vagus nerve. C. facial and glossopharyngeal nerves. D. intercostal nerves. E. taste centers of the medulla.
Fibrillations are examples of arrhythmias.
Answer the following statement true (T) or false (F)
What is the most important force driving filtration at the arterial end of a capillary?
A. Tissue fluid colloid osmotic pressure B. Blood colloid osmotic pressure C. Interstitial hydrostatic pressure D. Blood hydrostatic pressure E. Oncotic pressure