Which of the following is least involved in pulmonary circulation?
A) right ventricle
B) superior vena cava
C) pulmonary arteries and veins
D) left atrium
B
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Which brain vesicle gives rise to the midbrain and cerebral aqueduct?
a) Prosencephalon b) Mesencephalon c) Rhombencephalon d) Telencephalon e) Myelencephalon
When a cell surrounds a large particle with pseudopodia and then engulfs it, the process is called
A. exocytosis. B. phagocytosis. C. pinocytosis. D. secondary active transport. E. receptor-mediated endopinocytosis.
Which of the following associations is incorrect pertaining to the blood supply of the brain?
A) middle cerebral artery—supplies the lateral surface of the brain B) anterior communication artery—connects anterior cerebral arteries C) hemorrhagic stroke—severe headache and stiff neck D) cerebral arterial circle (circle of Willis)—an anastomosis between the two vertebral and two internal carotid arteries E) cerebral arterial circle (circle of Willis)—in most cases prevents development of neurological symptoms following acute ischemic stroke
Identify the cellular junction labeled 1.
A) hemidesmosome B) gap junction C) spot desmosome D) tight junction E) connexon