The reticular formation is an area of the brain that
A. is sensory in function.
B. is motor in function.
C. has sensory and motor components.
D. serves higher-order cognitive functions.
C
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The right lung is to ________ as the left lung is to ________
A) three lobes; two lobes B) two lobes; two lobes C) two lobes; three lobes D) three lobes; three lobes E) four lobes; three lobes
Match the following:
A) Fovea centralis B) Retina C) Aqueous humor D) Lens 1) The sensory layer of the eye. 2) The structure most responsible for focusing light rays that enter the eye. 3) Helps maintain the intraocular pressure; located in the anterior part of the eye. 4) Area of greatest visual acuity.
Shigatoxin is associated with
A) hemolytic uremic syndrome. B) edema. C) urinary tract infection. D) endemic nephropathy.
A 27-year-old woman comes to the hospital in the early stages of labor. She is 37 weeks pregnant in her first pregnancy, which has been normal. She has no notable past medical history, does not smoke or drink, and is not taking any medications. The examination in the labor and delivery unit is normal, and all appears well with the fetus. At this time, which of the following fetal vessels is carrying the highest concentration of oxygen?
(A) Abdominal aorta (B) Umbilical arteries (C) Pulmonary artery (D) Umbilical vein (E) Pulmonary veins