What cranial nerve pair supplies many organs in the ventral body cavity?
A. Accessory nerves
B. Vagus nerves
C. Glossopharyngeal nerves
D. Trigeminal nerves
Ans: B. Vagus nerves
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A cancerous condition involving uncontrolled proliferation of WBCs is known as:
a. neutrophilia b. lymphoma c. sickle cell anemia d. malaria e. leukemia
Platelets
a. are small cell fragments derived from large megakaryocytes in the bone marrow b. lack nuclei c. contain high concentrations of actin and myosin, which enable them to contract d. have all of the above characteristics e. have only characteristics a and b
Which of the following will not increase stroke volume?
a. increased end-diastolic volume b. increased contractility of the heart c. increased end-systolic volume d. increased stretch of the cardiac muscle fibers during ventricular filling e. increased venous return
Define intramembranous ossification
A) Intramembranous ossification is the formation of hyaline cartilage from mesenchymal cells. B) Intramembranous ossification is the formation of elastic cartilage from mesenchymal cells. C) Intramembranous ossification is the formation of fibrocartilage from mesenchymal cells. D) Intramembranous ossification is the replacement of a cartilage model with bone. E) Intramembranous ossification is bone formation within connective tissue without the prior development of a cartilage model.