Which of the following is incorrect pertaining to the external jugular vein?
A) It is the best vein to use for right cardiac catheterization.
B) It typically is a tributary of the subclavian vein.
C) It crosses the sternocleidomastoid muscle superficially.
D) Abnormal prominence may indicate heart failure.
E) If slashed open in the neck, its lumen may be held open by the investing layer of deep cervical fascia resulting in an air embolus.
Ans: A
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What will be an ideal response?
For inspiration to occur, the intra-alveolar pressure must be lower than the intrapleural pressure
Indicate whether the statement is true or false
A person with type AB blood has ________ antigens.
A. A B. B C. both A and B D. neither A nor B
Somatic motor reflexes involve ________.
A. the autonomic ganglia B. contraction of smooth muscle C. the autonomic nervous system D. contraction of skeletal muscle