The right pulmonary artery directly gives rise to which vessel?
A. Pulmonary trunk
B. Pulmonary vein
C. Superior lobar artery
D. Middle lobar vein
C. Superior lobar artery
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________ is a condition in which chronic low levels of oxygen (due to lung disease or living in high altitudes) cause the body to produce higher than normal amounts of erythrocytes to more efficiently transport the smaller amounts of available oxygen.
A. Primary polycythemia B. Primary erythrocytopenia C. Secondary polycythemia D. Secondary erythrocytopenia
The blood vessel type that is present in the body in the greatest numbers is the ________.
Fill in the blank(s) with the appropriate word(s).
Tendons and ligaments are classified as epithelial tissue
a. True b. False Indicate whether the statement is true or false
Which descending tract is involved in reflex movements of the head in response to visual and auditory stimuli?
A. Tectospinal B. Reticulospinal C. Spinothalamic D. Corticospinal E. Vestibulospinal