Beginner Pineal Gland Quiz
Ready to start the quiz?
This quiz contains 10 questions. Click below to begin.
Q1. To which major division of the diencephalon does the pineal gland belong?
- Metathalamus only
- Hypophysis
- Epithalamus
- Subthalamus
Q2. Where is the pineal gland located relative to the third ventricle?
- Within the fourth ventricle
- Anterior to the optic chiasm
- Posterior to the third ventricle
- Within the lateral ventricle
Q3. Which midbrain structures lie inferior to the pineal gland?
- Medullary pyramids
- Inferior olives
- Cerebral peduncles
- Superior colliculi
Q4. What is the principal hormone secreted by the pineal gland?
- Thyroxine
- Melatonin
- Aldosterone
- Oxytocin
Q5. Which cells are the principal secretory cells of the pineal gland?
- Pinealocytes
- Ependymal cells only
- Pyramidal neurons
- Purkinje cells
Q6. What are corpora arenacea?
- Clusters of motor neurons
- Ventricular choroid plexus folds
- Bundles of optic nerve fibers
- Calcified concretions within the pineal gland
Q7. Which circadian pacemaker indirectly regulates pineal melatonin secretion?
- Suprachiasmatic nucleus
- Dentate nucleus
- Red nucleus
- Subthalamic nucleus
Q8. Melatonin secretion is normally greatest under which condition?
- Bright light
- Acute sound stimulation
- Voluntary movement
- Darkness
Q9. Which commissure is closely related to the inferior aspect of the pineal stalk?
- Hippocampal commissure
- Corpus callosum
- Posterior commissure
- Anterior commissure
Q10. Which small ventricular extension projects into the pineal stalk?
- Pineal recess
- Lateral recess of the fourth ventricle
- Optic recess
- Infundibular recess