A foramen is a(n) ________.
A. opening or passageway through a bone
B. small depression
C. rounded or knucklelike process for forming joints
D. small, rounded process for attachment of ligaments or tendons
Answer: A
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Thyroid hormone interacts with its target tissue by
A. increasing I- uptake in the target cells. B. binding to a membrane bound receptor. C. binding to receptor molecules in the nucleus. D. releasing thyroglobulin. E. using the intracellular mediator system.
During the postabsorptive phase of metabolism:
A. glycogen in muscle cells is broken down to glucose, which is released into the blood. B. liver glycogen is broken down to glucose, which is released into the blood. C. triacylglycerols in adipose tissue are broken down to glucose by lipolysis. D. the liver exports lactate to the muscles, which use it for fuel. E. glycerol and fatty acids are rapidly assembled into triglycerides in adipose tissue.
Blood is moved through the vascular system by
A. pressure gradients created by the heart. B. peristalsis caused by smooth muscle in the blood vessel walls. C. valves in the wall of the blood vessels. D. osmotic pressure. E. viscosity of the blood.
Which of the following correctly states the proximal and distal attachments of the sternocleidomastoid?
A. Sternal manubrium and medial half of clavicle; mastoid process and medial one-third of superior nuchal line B. Sternal manubrium and lateral one-third of clavicle; mastoid process and lateral half of superior nuchal line C. Sternal manubrium and medial one-third of clavicle; mastoid process and lateral half of superior nuchal line D. Mastoid process and lateral half of superior nuchal line; sternal manubrium, medial one-third of clavicle E. Sternal manubrium and lateral half of clavicle; mastoid process and lateral one-third of superior nuchal line