A single layer of irregularly shaped epithelial cells found lining the respiratory tract is called ________.
A. pseudostratified ciliated columnar epithelium
B. transitional epithelium
C. stratified cuboidal epithelium
D. simple columnar epithelium
Answer: A
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Arthritis is a circulatory problem.
Answer the following statement true (T) or false (F)
Carrier molecules are located within the
A) cytoplasm. B) plasma membrane. C) transport vesicles. D) lipid droplets. E) chromosomes.
Which of these would increase the tension generated in a skeletal muscle?
A. increasing the frequency of firing in alpha motor neurons innervating the muscle B. stretching the muscle to very long lengths C. resting the muscle for several weeks D. switching off fast-glycolytic motor units and activating an equal number of slow-oxidative motor units E. increasing the amplitude of action potentials in the alpha motor neurons that innervate the muscle
A person with a lesion in the brain exhibited the following manifestations: normal tension in skeletal muscle, disturbed fine motor control, exhibited tremors when reaching for objects. What part of the brain is most likely damaged?
A. The basal ganglia B. The frontal lobe of the cerebrum C. The prefrontal lobe of the cerebrum D. The cerebellum E. The pyramids of the medulla oblongata