Rheum Exam 3 Flashcards
What is the effect of dopamine on the brain?
a. reward
b. encourages us to be social
c. happiness
d. a and b
a and b
What is the effect of serotonin on brain?
a. happiness
b. seek pleasure and avoid pain
c. encourages us to do things
d. a and c
a and c
What is the effect of opioids on the brain?
a. seek pleasure and avoid pain
b. happiness
c. encourage a feeling of well-being
d. a and c
a and c
What dose the endocannabinoid system cause?
a. relaxation and reduction in anxiety
b. increase appetie
c. seek pleasure and avoid pain
d. a and b
a and b
What is the structure of the endocannabinoids?
a. protien
b. steriod
c. lipid
d. carbohydrate
lipid
Can endocannabinoids accumulate in intreacellular storgae organelles?
Yes or No
Yes
Which of the following is true about 2-AG?
a. higher in the immune system
b. produced by immune cells
c. made by immune cells and neurons
d. not made by the immune system
higher in the immune system
Which of the following is true of AEA?
a. higher in the immune system
b. produced by immune cells
c. made by immune cells and neurons
d. not made by the immune system
produced by immune cells
Which of the following is true regarding PEA?
a. higher in the immune system
b. produced by immune cells
c. made by immune cells and neurons
d. not made by the immune system
made by immune cells and neurons
Which of the following is more selective for CB1R?
a. 2-AG
b. AEA
c. PEA
AEA
Which of the following dosen’t work through CB2R?
a. 2-AG
b. AEA
c. PEA
2-AG
Where do anandimide come from?
a. phospholipids dervied precursors
b. protiens
c. enzyme NAPE-PLD turning phospholipids dervied precursors into
enzyme NAPE-PLD turning phospholipids dervied precursors into
Where do 2-AG come from?
a. phospholipids dervied precursors
b. protiens
c. enzyme DAG lipase turning phospholipids dervied precursors
enzyme DAG lipase turning phospholipids dervied precursors
What enzymes breakdown AEA and 2-AG?
a. NAPE-PLD and FAAH
b. DAG lipase and MAGE-lipase
c. FAAH and MAGE-lipase
d. NAPE-PLD and DAG lipase
FAAH and MAGE-lipase
Which of the endocanabinoids can create eicosanoids?
a. 2-AG
b. AEA
c. PAE
d. NAE
2-AG
What dose 2-AG NOT control?
a. mood
b. nocicpetion
c. appetite
d. happiness
happiness
Where are CBR1 NOT located?
a. brain
b. heart
c. digestive system
d. muscles
muscles
Where are CBR2 located?
a. immune cells
b. brain
c. digestive system
d. two of the answers are correct
e. all of the above
two of the answers are correct
What is the activity of CBR1?
a. responsible for psychoactive effects
b. critical for immune efects systemic and brain
responsible for psychoactive effects
Which of the following is NOT an endocannabinoids receptor to illicit immune effects?
a. TRPV-1
b. PPAR a and y
c. GPR55
d. CBR2
e. CBR1
CBR1
What is the fucntion of TRPV-1?
a. recognize body temperature
b. provide sensation of pain
c. provide sensation of scalding heat
d.
all of the above
What is endocannabioids and exogenous CB effect on TRPV-1?
a. upregulate
b. downregulate
c. no effect
downregulate
What activates PPAR a and y?
a. arachadonic acid
b. prostglandins
c. leuotrienes
d. cytokines
arachadonic acid
What are endocannabinoids and THC effect when bound to PPARy?
a. inhibit growth of cancer cell lines
b.recognize body temperature
c. provide sensation of pain
d. provide sensation of scalding heat
inhibit growth of cancer cell lines
What is AEA effect on the innate immune system?
a. increases Treg by increasing macrophages that promote Treg promoting tolerance in the gut
b. blocks mast cell activation via CB1R
c. decrease IL-6, IL-1, TNFa, IL-12, IL-23, IL-4
d. all of the above
all of the above
What are the effects of 2-AG on the innate immune system?
a. reduces IL-6 and TNFa
b. increases IL-12 from dendritic cells promoting a Th1 response
c. activates eosinophils via CB2R increasing allergic inflammation
d. all of the above
all of the above
What is PEA on innate immune system?
a. inhibits macrophage inflammation in brain
b. stimulates clerance of pathogens
c. inhibits mast cell degranulation via CB1R in the brain
d. all of the above
all
What is PEA effect on innate immune system?
a. inhibits macrophage inflammation in brain
b. stimulates clerance of pathogens
c. inhibits mast cell degranulation via CB1R in the brain
d. all of the above
All of the above
What are the effects of AEA on specific immunity in vitro?
a. supresses T cell division and sytokine release through CB2R and PPARy
b. inhibits INFy and IL-17, increases Th2 and Treg
c. increase endocannabinoids production
d. all of the above
all
What are 2-AG effects on specific immunity?
a. supresses IL-2 decreasing T cell dividon through PPARy
b. inhibits INFy and IL-17, increases Th2 and Treg
c. increase endocannabinoids production
d. all of the above
supresses IL-2 decreasing T cell dividon through PPARy
Which of these is NOT a factor that impacts your response to cannabis?
a. ligand concentration
b. presence of other cannabinoids and endogenous cannabinoids
c. receptor density
d. quality of signling protiens
e. the strain of cannabis
the strain of cannabis
what are the possible responses to cannabis receptor activation?
a. partial agonism
b. inverse agonism
c. functional selectivity
d. different confromations
e. all of the above
all
Which statement best defines partial agonism?
a. activates with less efficacy
b. induces opposite effect
c. different ligands trigger different signal transuction pathways
d. same protein with slightly different physical forms
activates with less efficacy
Which statement best describes what different conformations means?
a. activates with less efficacy
b. induces opposite effect
c. different ligands trigger different signal transuction pathways
d. same protein with slightly different physical forms
same protein with slightly different physical forms
Which statement best describes what functional selectivity means?
a. activates with less efficacy
b. induces opposite effect
c. different ligands trigger different signal transuction pathways
d. same protein with slightly different physical forms
different ligands trigger different signal transuction pathways
What is the effect of Cannabis on innate immunity?
a. decrease IL-1, IL-6, TNFa, IL-12, IL-10
b. decreases phagocytosis, antigen presentation
c. reduces arachadonic acid metabolites
d. all of the above
all of the above
What is Cannabis effect on immunity?
a. causes B cell to make IgE antibodies
b. decrease Th1 and increases Th2
c. reduces INFgamma and IL-17 helping with autoimmune disease
d. all of the above
all of the above
What is Cannabis effect on Multiple Sclerosis?
a. high concentration it CB2R decreases activity of macrophages, microgila, and B and T cells, and reduces MBP specific T cells
b. in low concentration it slows axonal loss and potentiate endogenous cannabinoids activity
c. slowing down machrophage
d. all of the above
all
What endocannabinoid is missing in those with RA and OA?
a. PEA
b. 2-AG
c. AEA
PEA
What is Cannabis effect on atherosclerosis?
a. THC inhibits macrophage recruitment leading to decreased plaque formation
b. anandimide inhibits monocyte adhesion and inhibits inflammatory gene expression in endothelial cells
c. all of the above
all
What are cannabis effect on diabetes?
a. inhibits Th1
b. dec INFy, TNFa, and IL-12
c. inhibits neuropathic pain
d. all
all
What is Cannabis effect on asthma?
a. decreases inflammatory response accompaning the th2 response
b. decreases mucus production in the lungs
c. increases bronchodilation
d. all of the above
all
What is Cannabis effect in the gut?
a. suppression of pro-inflammatory cytokines
b. inhibiton of intestinal motility
c. attenuation of visceral sensitivity
d. all of the above
all
What is Cannabis effect on neruoinflammation?
a. anti-inflammatory
b. supress IL-1 and protect glial cells from apoptosis
c. microglia, astrocytes, macrophages, and neurons produce eCBS which attenuate neural damage
d.all of the above
all of the above
Endocannabinoids are lipid mediators. What does that mean?
a. They accumulate in intracellular storage organelles
b. They need fat-soluble vitamins to be absorbed
c. They cross the blood brain barrier
d. They can be stored in cholesterol
They accumulate in intracellular storage organelles
What are two outcomes of the endocannabinoid system being activated?
a. Increase hunger
b. Increase energy
c. Reduce pain
d. Relax/reduce anxiety
Increase hunger
Relax/reduce anxiety
These are the two most well studied endocannabinoids
a. O-arachidonoylethanlamine and 2-AG-ether
b. 2-arachidonoyglycerl and anandamide
c. 2-AG-ether and N-Palmitoylethanolamine
d. Anandamide and 2-N-acylethanolamines
2-arachidonoyglycerl and anandamide
Which two compounds are produced by immune cells
a. 2-AG and PEA
b. AEA and 2-AG
c. AEA and PEA
AEA and PEA
Which enzyme is involved in linking endocannabinoids to inflammation?
a. MAGE-lipase
b. FAAH
c. DAG lipase
d. NAPE-PLD
MAGE-lipase
Which cannabinoid receptor is found in the digestive system?
a. CBR2
b. CBR1
CBR1
Endocannabinoids and plant cannabinoids are _____ of the TRPV-1 receptor.
a. Agonists
b. Antagonists
c. Partial agonists
Agonists
What is the action of PPAR-gamma receptor?
a. Inhibits growth of cancer cell lines
b. Decrease blood pressure
c. Create a sensation of heat and burning
d. Inhibit anxiety and induce relaxation
Inhibits growth of cancer cell lines
Which of the following cells do NOT express cannabinoid receptors?
a. Macrophages
b. Mast cells
c. Neutrophils
d. Eosinophils
Eosinophils
These diagnoses are associated with endocannabinoid deficiencies (check all that apply):
a. Fibromyalgia
b. Chronic fatigue syndrome
c. Autism
d. Epilepsy
e. Arthritis
f. Irritable bowel syndrome
Fibromyalgia
Irritable bowel syndrome
Epilepsy
Cannabis decreases these cytokines leading to decreased pain, heat, and anxiety.
a. IL-4, IL-5, IL-13
b. IL12, IL-10
c. IL-1, IL-6, TNF alpha
IL-1, IL-6, TNF alpha
Cannabis causes class switching of IgM to:
a. IgA
b. IgG
c. IgD
d. IgE
IgE
In low concentrations, cannabis has this effect on individuals with MS
a. decreased activity of macrophages, microglia, B and T cells
b. Reduces Myelin Basic Protein specific T cells
c. Slows axonal loss
Slows axonal loss
Cannabis increases Th2, which theoretically would make allergic asthma worse. Why is it generally found to be beneficial for asthmatic patients?
a. It stimulates bronchodilation
b. It decreases the inflammatory response accompanying Th2 response
c. It decreases mucus production in the lungs
d. all of the above
all
Cannabis has been found to improve atherosclerosis by:
a. Lowering lipid levels
b. Disintegrating plaques
c. Lowering blood pressure
d. Decreasing plaque formation
Decreasing plaque formation
Studies have found that some neurological disorders arise from having a shortage in endocannabinoids.
Select one:
True
False
T
In theory, cannabis is therapeutic for autoimmune disease.
Select one:
True
False
T
When is endocannabinoids highest?
a. at night
b. in the morning
c. in the middle of the day
d. in the evening
at night
Which has increasing effect with increased dose?
a. isolate
b. broad spectrum
broad spectrum
What is the average dose fro CBD?
a. 20 mg
b. 100 mg
c. 1500 mg
d. 500 mg
100 mg
How much THC dose durban poison have in it?
a. 90%
b. 10%
c. 50%
d. 15%
90%
What increased absoprtion of cannabis?
a. grapefruit oil
b. capsaicin
c. milk thistle
d. a and b
a and b
What is the entourage effect?
a. compund from other plants that act synergistically with cannabis
b. cannabinoids and terpenes
c. found in pine, lavendar, black peper, hops, citrus
d. all of the above
all
What is the MOA of Corticosteroids?
inhibition of eicosanoids via phospholipase A2, suppresses endogenous glucocorticoids, gene expression primarily NF-kB
Which of the following is NOT an effects of endogenous glucocorticoids?
a. decreasse blood glucose
b. increase BP
c. immune supression
d. suppression of HPA axis
decreasse blood glucose
What is adverse effect of exogenous corticosterioids?
a. skin thinning
b. abdominal striae
c. muscle wasting
d. all of the above
all of the above
What is the reason for tapering glucocorticoids?
a. can impact HPA axis causing adrenal insuffiency
b. its better for the patient
c. it causes kidney faliure
d. it causes MI
can impact HPA axis causing adrenal insuffiency
What are the side effects of corticosteroids?
hyperglycemia, osteoprosis, muscle wasing, tissue atropy, skin thinning, abdominal striae, growth retardation in children, poor wound healing, susceptibility to infections, HTN, edema, hypernatermia, hypokalemia, acne, hirsutism, moon facies, central adiposity, buffalo hump, insomnia, anxiety, psychosis, cataracts, peptic ulcers
What is the dosing for corticosteroids?
a. low dose for short time
b. low dose for long time
c. high dose for long time
d. high dose for short time
low dose for short time
Methotrexate MOA
similar to folate and impacts rapidly dividing cell populations so that you can’t repair DNA, can’t divide,
Which of the following is an intraarticular glucocorticoids?
a. methylprednisolone
b. dexamethasone
c. triamcinolone
d. all of the above
all of the above
What are the adverse effects of intraarticular glucocorticoids?
risk of infection, tendon rupture, atrophy of skin and underlying fat, hypopigmentation, cartilage damage, osteonecrosis, hyperglycemia
What are the CI of intraarticular glucocorticoids?
a. infection of the area
b. joint instability or periarticular fracture
c. juxta-articular osteoporosis
d. all of the above
all of the above
What are the two COX-2 inhibitors?
a. celecoxib
b. ibuprofen
c. aspirin
d. a and c
a and c
What are the side effects of non-asprin NSAIDs?
risk of bleeding, gastritis, gastric ulcers, interisital nephritis, renal faliure, airway hyperreactivity, HTN, risk of MI and stroke,
Acetaminophen mechanism of action is largely through COX enzymes.
Choose One:
True
Flase
Flase
Which of these is Apirins side effect but not one that non-asprin NSAIDs have?
a. salicylate hypersensitvity and toxicity
b. risk of reye’s syndrome in children
c. risk of MI and stroke
d. a and b
a and b
What is the side effect of acetaminophen?
a. risk of bleeding
b. gastritis, gastric ulcers
c. kidney faliure
d. HTN
kidney faliure
What are the common effect of DMARDs?
a. bone marrow suppression
b. opportunistic infections
c. secondary cancer
d. all of the above
all of the above
Which are examples of small-molecule DMARDs?
a. methotrexate
b. sulfasalazine
c. hydroxychloroquine
d. all of the above
all of the above
Which of following substances is closley related to folate?
a. methotrexate
b. sulfasalazine
c. hydroxychloroquine
d. cyclosporine
methotrexate
Which of the following is NOT a methotrexate side effect?
a. bone marrow suppression
b. renal, hepatic, pulmonary, GI, derm toxicity
c. opportunistic infections
d. primary malignancy
primary malugnancy