If a decline in blood pressure or oxygen concentrations occurs, the cardiac centers then call for a(n)
A) decrease in cardiac output.
B) decrease in sympathetic motor neuron activity.
C) decrease in stroke volume.
D) increase in parasympathetic motor neuron activity.
E) increase in cardiac output.
E) increase in cardiac output.
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Which of the following statements pertaining to the cervical esophagus is incorrect?
A) The recurrent laryngeal nerve supplies somatic innervation. B) It begins at the inferior border of the cricoid cartilage. C) Its associated veins drain into the inferior thyroid veins. D) Perforations typically heal completely, without surgery and without serious complications. E) Dysphagia is the most common symptom associated with cancerous infiltration.
What does the liver do with the chylomicrons it receives?
What will be an ideal response?
Connective tissue proper is divided into two broad categories: loose connective tissue and dense connective tissue. This classification is based upon the
A. location of the tissue. B. size of the cells present. C. relative proportions of cells, fibers, and ground substance present. D. number of different cells types and their respective arrangement. E. origin of the tissue type.
The C1 vertebra forms a pivot joint with the C2 vertebra through a projection called the
A) transverse process. B) pedicle. C) dens. D) spinous process. E) superior articular process.