The anterior attachment of the vocal ligaments is the:
a. the cuneiform cartilages
b. arytenoid cartilages
c. the corniculate cartilage
d. the thyroid cartilage
Answer: d. the thyroid cartilage
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Functions of the accessory glands of the male reproductive system include all of the following except
A) producing spermatozoa. B) meeting the nutrient needs of spermatozoa for motility. C) propelling spermatozoa and fluids along the reproductive tract. D) producing buffers. E) activating the spermatozoa.
An incompetent aortic semilunar valve would allow blood to backflow from the ________
A) right ventricle to the right atrium B) left ventricle to the left atrium C) aorta to the left ventricle D) aorta to the left atrium E) pulmonary trunk to the left ventricle
Lymphatic capillaries
A. cannot be discerned structurally from cardiovascular system capillaries. B. originate as closed-ended tubes associated with blood capillary networks. C. filter lymph. D. concentrate lymph prior to passing it to larger lymphatic vessels. E. include layers of smooth muscle for peristalsis.
Match the following:
A) AV node B) Purkinje fibers C) AV bundle D) SA node 1) The pacemaker of the heart. 2) Found in the interventricular septum. 3) Network found in the ventricular myocardium. 4) The point in the conduction system of the heart where the impulse is temporarily delayed.