On axial CT images, which muscle of the neck is seen most posteriorly?
A. Sternocleidomastoid
B. Erector spinae
C. Posterior scalene
D. Longus capitis/longus colli
Answer: B
You might also like to view...
Lymph travels to the subcapsular sinus from which structure in the figure?
a) A b) B c) C d) D e) E
Describe the respiratory pump
A) The respiratory pump is a mechanism by which a reduction of pressure in the thoracic cavity during inhalation assists venous return to the heart. B) The respiratory pump is a mechanism by which contraction of the lungs propels blood through the thoracic cavity to the heart. C) The respiratory pump is a mechanism by which bronchoconstriction propels blood through the thoracic cavity to the heart. D) The respiratory pump is a mechanism by which an increase in pressure in the thoracic cavity during exhalation pushes blood towards the heart. E) The respiratory pump is a mechanism by which alternating cycles of bronchiolar constriction and bronchiolar dilation propel blood towards the heart.
Which of the following statements regarding anisocoria is correct?
A) Anisocoria is a condition in which the pupils are unequal. B) Anisocoria is a normal finding in the majority of the population C) Physiologic anisocoria indicates significant intracranial pressure. D) Anisocoria is a condition characterized by bilateral pupillary dilation.
The figure illustrates the autonomic reflexes and the heart. What does "D" represent?
A. sympathetic nerve B. increase in blood pressure detected by carotid baroreceptors C. glossopharyngeal nerve D. decrease in blood pressure detected by carotid baroreceptors E. vagus nerve