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Optometry Board Practice Test for the NBEO® Part 1 Test #1 – Gross Anatomy This test is comprised of 7 items, which must be completed within 7 minutes. |
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Within which CNS structure is the Edinger-Westphal nuclei located?
C. The EW nuclei is located within the midbrain and is responsible for PARASYMPATHETIC innervation to the ciliary body and iris sphincter.
C. The EW nuclei is located within the midbrain and is responsible for PARASYMPATHETIC innervation to the ciliary body and iris sphincter.
Which of the following two arteries supply the occipital lobe? (PICK 2)
A, E: Both the posterior and middle cerebral arteries supply the occipital lobe. Having two vascular branches is the reason behind macular sparing in some patients with traumatic brain injuries.
A, E: Both the posterior and middle cerebral arteries supply the occipital lobe. Having two vascular branches is the reason behind macular sparing in some patients with traumatic brain injuries.
The major circle of the iris is formed by the anastomosis of the _____ and _____ arteries. (PICK 2)
A, C: MACI is formed by the anastomosis of the long posterior ciliary and anterior arteries. It is located within the iris stroma and is non-fenestrated.
A, C: MACI is formed by the anastomosis of the long posterior ciliary and anterior arteries. It is located within the iris stroma and is non-fenestrated.
Which of the following regions of the body does NOT drain lymphatic fluid into the right lymphatic duct?
D. The liver is the only region above that does not drain into the right lymphatic duct.
D. The liver is the only region above that does not drain into the right lymphatic duct.
In the proximal convoluted tubule, the Na/K ATPase drives NA+ ___ and K+ ___.
B. In the proximal convoluted tubule, the ATPases drive Na+ out into the interstitial space and K+ in to the proximal convoluted tubule for excretion. Water will follow the Na+
B. In the proximal convoluted tubule, the ATPases drive Na+ out into the interstitial space and K+ in to the proximal convoluted tubule for excretion. Water will follow the Na+
In opposition to the ascending limb of the loop of Henle, the descending limb is permeable to _____ and impermeable to _____.
D. The descending limb of the loop of Henle is permeable to water and impermeable to NaCl. The opposite is true of the ascending limb.
D. The descending limb of the loop of Henle is permeable to water and impermeable to NaCl. The opposite is true of the ascending limb.
Which cells of the pancreas are responsible for production of glucagon?
A. Alpha cells within the Islet of Langerhans are responsible for production of glucagon. Beta cells produce insulin and amylin. Delta cells produce somatostatin. F cells produce pancreatic polypeptide.
A. Alpha cells within the Islet of Langerhans are responsible for production of glucagon. Beta cells produce insulin and amylin. Delta cells produce somatostatin. F cells produce pancreatic polypeptide.