The pineal gland synthesizes which hormone?
a) melatonin
b) serotonin
c) dopamine
d) pineal hormone
Answer: a) melatonin
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Motor neurons exit the spinal cord through the
A) posterior gray horn. B) ventral root. C) midbrain and hypothalamus. D) dorsal root. E) anterior gray horn.
Describe the mechanics of ventilation as it relates to Boyles' Law. Include the following in your answer : intra-alveolar pressure, intrapleural pressure, atmospheric pressure, inhalation, and exhalation
What will be an ideal response?
Mrs. Jones is undergoing a routine colonoscopy for colon cancer prevention. The gastroenterologist finds a Meckel's diverticulum. Which of the following statements is true about the diverticulum?
(A) It is found 2 ft distal to the ileocecal junction (B) It is located on the mesenteric side of the ileum (C) It occurs in approximately 20% of the population (D) It is a persistent remnant of the embryonic yolk stalk (E) It may contain renal and suprarenal tissues
Each of the following is a component of the cerebral arterial circle except the ________ artery
A) anterior communicating B) anterior cerebral C) posterior communicating D) posterior cerebral E) basilar