Exam 2: Chemical Signaling by Neurotransmitters and Hormones

arrow
  • Select Tags
search iconSearch Question
  • Select Tags

Secretory neurons from the hypothalamus release _______ and _______ into the bloodstream from the _______ pituitary.

Free
(Multiple Choice)
4.9/5
(34)
Correct Answer:
Verified

B

Binding of neurotrophic factors to their respective trk receptors results in the

Free
(Multiple Choice)
4.8/5
(33)
Correct Answer:
Verified

B

Write a coherent and informative paragraph using the following terms: hypothalamus; posterior pituitary; median eminence; releasing hormones.

Free
(Essay)
4.8/5
(28)
Correct Answer:
Verified

The pituitary stalk, connecting the hypothalamus with the pituitary gland, contains blood vessels that carry special hypothalamic releasing hormones. These hormones are mainly neuropeptides manufactured by various groups of neurons in the hypothalamus. Instead of forming normal synapses, these neurons release peptides into blood capillaries in a region called the median eminence. These blood vessels carry the hormones to the hormone secreting regions of the anterior pituitary gland. The pituitary stalk also contains the axons of secretory neurons of the hypothalamus that synthesize the peptide hormones vasopressin and oxytocin. When these axons reach the posterior pituitary, they release these hormones into the bloodstream.

What role might orexin play in narcolepsy? Briefly explain evidence that supports this role.

(Essay)
4.9/5
(41)

Describe three types of symptoms typically associated with narcolepsy.

(Essay)
4.9/5
(36)

Describe the evidence supporting the role of sex hormones in sensitivity to cocaine.

(Essay)
4.7/5
(39)

The specific effect of a particular neurotransmitter at a particular synapse is largely determined by

(Multiple Choice)
4.8/5
(35)

Activating a metabotropic receptor cannot result in

(Multiple Choice)
4.9/5
(37)

In contrast to the classical neurotransmitters and the neuropeptides, nitric oxide does not "behave" like a typical neurotransmitter. Which statement regarding nitric oxide signaling is false?

(Multiple Choice)
4.9/5
(45)

Describe how drugs that block the D2 dopamine receptor alter prolactin levels and release.

(Essay)
4.8/5
(36)

Which of the following is not one of the criteria a substance must meet to be considered a neurotransmitter?

(Multiple Choice)
4.7/5
(35)

Environmental stimuli, sensory stimuli, and psychoactive drugs can trigger long-lasting changes in neuronal connectivity. Collectively, these changes are termed

(Multiple Choice)
4.8/5
(39)
close modal

Filters

  • Essay(0)
  • Multiple Choice(0)
  • Short Answer(0)
  • True False(0)
  • Matching(0)