Myelin consists mainly of which of the following?
A. Cholesterol
B. Carbohydrates
C. Lipofuscin
D. Phospholipids
E. Proteins
Answer: D
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Of the following blood vessels, the greatest resistance to blood flow occurs in the:
veins capillaries arteries venules none of the choices are correct
Name the muscles involved in extending the ankle
A) extensor digitorum longus and extensor hallucis longus B) flexor digitorum longus and flexor hallucis longus C) tibialis anterior, fibularis tertius, extensor digitorum longus, extensor hallucis longus D) gastrocnemius, fibularis brevis, fibularis longus, plantaris, soleus, tibialis posterior E) plantaris, soleus, flexor digitorum longus, flexor hallucis longus
A blockage in the colon where the ascending colon turns to become the transverse colon would occur at the
A. ileocecal valve. B. hepatic flexure. C. splenic flexure. D. cardiac sphincter. E. gastric flexure.
Diapedesis is
A. movements of white blood cells out of the circulation. B. filling of red blood cells with hemoglobin. C. squeezing of red blood cells through narrow capillaries. D. the formation of platelets from megakaryocytes.