Development of Th1 cells is promoted by:
Anonymous Quiz
6%
IL12
65%
IFN-y
6%
Large doses of antigen
24%
All of the above
Development of Th2 cells is promoted by:
Anonymous Quiz
40%
IL-4
5%
Small doses of antigen
45%
Both of the above
10%
Neither of the above
Th2 cells are involved in:
Anonymous Quiz
6%
Antigen processing
88%
Helping B-cells to respond to T-dependent antigen
6%
Mucosal immunity
0%
Secretion of IL-1
The primary role of Th2 cells is to
Anonymous Quiz
6%
Function as T killer cells
6%
Activate NK cells
88%
Activate B cells
0%
Activate macrophages
All of the following statements about Th2 cells are true EXCEPT:
Anonymous Quiz
17%
They produce IL-3, 4, 5 and 6
8%
Their development is inhibited by IFN-y
0%
Their development is promoted by IL-4
75%
They promote cell-mediated immunity
Type I interferon leads to better killing of virus-infected cells due to:
Anonymous Quiz
11%
Increased expression of MHC | molecules
16%
Increased activity of NK cells
58%
Both
16%
Neither
The cytokine which increases the expression of MHC II on APCs is:
Anonymous Quiz
63%
IFN-Y
6%
TNF-B
0%
IFN-a
0%
IL-5
31%
IL-4
All the following statements regarding IFN-y are true EXCEPT:
Anonymous Quiz
0%
it activates macrophages
0%
It activates NK cells
5%
It promates development of Th1 celis
95%
It is produced mainly by Th2 cells
Which of the following analgesics is a phenanthrene derivative?
Anonymous Quiz
14%
Fentanyl
19%
Pentazocine
38%
Morphine
29%
Methadone
It is recommended to add atropine to morphine when used in:
Anonymous Quiz
0%
Acute left ventricular failure
5%
Treatment of morphine addiction.
95%
Renal colic
0%
ο»Ώο»ΏCancer pain
Antipyretic analgesics differ from narcotic analgesics as they:
ο»Ώο»Ώο»Ώ ο»Ώο»Ώ
ο»Ώο»Ώο»Ώ ο»Ώο»Ώ
Anonymous Quiz
0%
Produce narcosis
21%
Are more potent especially in visceral pain
79%
Relieve pain at a central and peripheral level
0%
Produce dependence
Drug used orally to maintain the Opiate-free state of treated addict:
ο»Ώο»Ώ
ο»Ώο»Ώ
Anonymous Quiz
50%
Naltrexone
35%
Naloxone
15%
Diphenoxylate
0%
Loperamide
If a patient received penicillin antibiotic, and he suffered itching pain. Which of the following medications aggravate itching?
ο»Ώο»Ώο»Ώ
ο»Ώο»Ώο»Ώ
Anonymous Quiz
5%
Hydrocortisone
85%
Morphine
10%
Naloxone
0%
Adrenaline
Which of the following antiparkinsonian medications is contraindicated in case of concomitant benign prostatic hyperplasia?
ο»Ώο»Ώο»Ώ
ο»Ώο»Ώο»Ώ
Anonymous Quiz
23%
Selegiline
15%
Bromocryptine
31%
Biperiden
31%
Levodopa
Which of the following opioid receptor types is responsible for euphoria and respiratory depression?
ο»Ώ
ο»Ώ
Anonymous Quiz
13%
ο»Ώο»ΏKappa-receptors
0%
Delta-receptors.
67%
Mu-receptors
20%
All of the above
Which of the following is inhibited by morphine?
Anonymous Quiz
19%
Endorphins
13%
Antidiuretic hormone
6%
Seizures
63%
Substance P
Regarding mechanisms of action of morphine, which of the following is TRUE?
Anonymous Quiz
64%
A full agonist at opioid receptors
14%
It opens calcium channels and increases the release of neurotransmitters.
14%
It enhances the effects of naloxone
7%
increases the release of endogenous endorphins
The following is an antiviral drug with anti-parkinson's properties:
ο»Ώο»Ώο»Ώ
ο»Ώο»Ώο»Ώ
ο»Ώο»Ώο»Ώ
ο»Ώο»Ώο»Ώ
Anonymous Quiz
2%
Procyclidine
2%
Levodopa
95%
Amantadine
2%
Pergolide