Anemia results from a reduced O2-carrying capacity of the blood, which can be caused by a decrease in the number of
a. leukocytes
b. lymphocytes
c. macrophages
d. erythrocytes
e. monocytes
D
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Some large arteries that are proximal to the heart are sensitive to the stretch of the blood vessels. This stretch indicates the blood's pressure
Which of the following pairs of classifications below best fit the receptor type that is being described above? A) thermoreceptors that are also exteroceptors B) thermoreceptors that are also interoceptors C) mechanoreceptors that are also exteroceptors D) mechanoreceptors that are also interoceptors
Sympathetic fibers arise only from the __________ region(s) of the spinal cord.
A. cervical, thoracic, and lumbar B. thoracic and lumbar C. thoracic D. cervical E. lumbar
The layers of connective tissue surrounding a skeletal muscle from the inside to the outside in correct order are
A) epimysium, endomysium, and perimysium. B) endomysium, epimysium, and perimysium. C) endomysium, perimysium, and epimysium. D) epimysium, perimysium, and endomysium. E) perimysium, epimysium, and endomysium.
Which of the following is not a characteristic of the enteric nervous system?
A. It innervates glands. B. It does not arise from the brainstem. C. It does not arise from the spinal cord. D. Its reflex arcs are associated with the spinal cord. E. It innervates smooth muscle.