19 Chemical Systems

Question 1

True or False? SSRI is selective serotonin reuptake inhibitor. An example is Prozac. (slide 3)

Answer 1

TRUE

Question 2

What are the 3 regions of the Hypothalamus? (slide 4)

Answer 2

Anterior region, Tuberal region, Lateral posterior region

Question 3

True or False? All regions of the hypothalamus communicate signals to the pituitary gland. (slide 4)

Answer 3

TRUE

Question 4

True or False? The Posterior pituitary gland has magnocellular neurosecretory cells. (Slide 6)

Answer 4

TRUE

Question 5

True or False? The hypothalamus compares input to biological set points. True
Which part of the brain releases signals in response to changes in the environment to maintain homeostasis in the body? (slide 5)

Answer 5

Hypothalamus

Question 6

The Posterior pituitary gland releases 3 hormones. What are they? (slide 6)

Answer 6

Oxytocin, Vasopressin, TRH (Thyrotropin Releasing Hormome)

Question 7

ACh Neuron connections are more direct. (T/F) (slide 11)

Answer 7

TRUE

Question 8

NE Neuron connections are more direct. (T/F) (slide 11)

Answer 8

FALSE (Has intermediate connections)

Question 9

What parasympathetic receptor is found in the ciliary smooth muscle? (slide 12)

Answer 9

Muscarinic receptor (M3)

Question 10

What is the response time of the parasympathetic (cholinergic) system for the ciliary smooth muscle? (slide 12)

Answer 10

1 – 2 sec response time

Question 11

B2 Receptor is found in the parasympathetic ciliary smooth muscle. (T/F) (slide 13)

Answer 11

False (found in the SYMPATHETIC)

Question 12

What is the response time of the sympathetic (adrenergic) system for the ciliary smooth muscle? (slide 13)

Answer 12

20 – 40 sec response time

Question 13

What are the two systems in the enteric division? (slide 14)

Answer 13

Submucous (Meissner’s) plexus & Myenteric (Auerbach’s) plexus

Question 14

What does the hormone Vasopressin do? (Slide 7)

Answer 14

Helps the body regulate thirst and blood volume

Question 15

During stress response, what does the anterior pituitary gland release? (slide 9)

Answer 15

ACTH

Question 16

(T/F) Cortisol deactivates energy reserves. (slide 9)

Answer 16

False

Question 17

(T/F) The sympathetic nervous system dilates your pupils (slides 10)

Answer 17

True

Question 18

What hormones do the sympathetic system release? (slide 10)

Answer 18

EPINEPHRINE and NOREPINEPHRINE

Question 19

What rare disease mentioned in lecture inhibits the release of cortisol? (slide 9)

Answer 19

Addison’s disease

Question 20

Where do the Parvocellular cells of the anterior pituitary DIRECTLY release their hormones? (Slide 8)

Answer 20

Into the capillary beds

Question 21

(T/F) Cortisol activates the immune system. (slide 9)

Answer 21

False

Question 22

In the Dopamine system, where does the substantia nigra lead to? (slide 17)

Answer 22

Basal Ganglion

Question 23

(T/F) The ventral tegmental area leads to the basal ganglion

Answer 23

False! To the frontal lobe

Question 24

Which structure in the brain does norepinephrine leave from? (slide 15)

Answer 24

Locus coeruleus

Question 25

What structure produces serotonin? (slide 16)

Answer 25

Raphe nuclei

Question 26

What structure produces ACH? (slide 18)

Answer 26

Pontomesencephalo tegmental complex

Question 27

(T/F) In reference to the SSRI’s, serotonin is taken up quicker than usual.

Answer 27

False!

Question 28

The kidney releases _____, while the liver releases _____.

Answer 28

Renin, angiotensin

Question 29

What significant roles does cortisol have?

Answer 29

It helps support immune system. It uses feedback control to the hypothalamus to shut down the release of ACTH.

Question 30

In Parkinson’s disease, which part of the brain is affected to cause the symptoms?

Answer 30

Substantia nigra, decreased dopamine release