A stab wound into the heart can result in cardiac tamponade. This means that
A. blood enters the pleural cavity.
B. the heart is compressed by blood in the pericardial sac.
C. the electrical conduction system of the heart is damaged.
D. the left coronary artery has been damaged or cut.
E. the heart has lost all of its blood.
B
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Which of the following capillary types is located in the brain?
A) venule B) fenestrated C) sinusoids D) continuous
Which of the following is incorrect pertaining to coarctation of the aorta?
A) It is typically associated with reduced blood flow to the brain. B) It refers to a narrowing of the aorta. C) It typically occurs near the site of the attachment of the ligamentum arteriosum. D) It may be associated with enlarged internal thoracic and intercostal arteries. E) It may be associated with osteological changes in the ribs that are visible radiologically.
Receptors for the special senses are found
A) in internal organs. B) in the fingertips. C) throughout the integumentary system. D) primarily in the head.
Glial cells
A) only help maintain homeostasis of the brain's extracellular fluid. B) only provide structural and metabolic support. C) only guide neurons during growth and repair. D) provide structural and metabolic support and help maintain homeostasis of the brain's extracellular fluid. E) All of the answers are correct.