The pineal gland synthesizes which hormone?

a) melatonin
b) serotonin
c) dopamine
d) pineal hormone


Answer: a) melatonin

Anatomy & Physiology

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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.

Anatomy & Physiology

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?

Anatomy & Physiology

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

Anatomy & Physiology

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

Anatomy & Physiology