67. The erbB2 is mutated in breast cancer by which of the following mechanisms?
Anonymous Quiz
19%
a) Point mutation
14%
b) Chromosomal translocation
57%
c) Gene amplification
10%
d) Telomerase activation
69. Adenoma can arise from the following sites except:
Anonymous Quiz
11%
a) Pituitary
7%
b) Ovary
15%
c) Mucosa of GIT
67%
d) Nasal mucosa
Adolescents have a problem with all of the following except:
Anonymous Quiz
0%
a-understanding what goes on around them
27%
b-forming a stable identity
9%
c-the love of their parents
64%
d-lack of desire for the other sex
Language is the form of phonemes or words starts typically in children at the age of:
Anonymous Quiz
40%
Six months
40%
One year
0%
. Three years
20%
- Two years
It is important for a mother to breast feed her baby as it:
Anonymous Quiz
18%
a- Ensures proper brain development
64%
b- Ensures proper attachment
0%
c- Is the only way to gain enough nutrition to survive
18%
d. Is important for personality development
When compared to the general population, elderly patients are more likely to show which of the following psychological characteristics:
Anonymous Quiz
9%
a- less anxiety.
27%
b-lower intelligence
64%
c-poorer sleep quality
0%
d-less depression
The physical development during adolescence affects all the following
except
except
Anonymous Quiz
0%
a- Sense of self
9%
b- Secondary sex characters
91%
c. Computer skills
0%
d- Relation with peers
4-month-old and a 12-month-old infant observe their mothers leaving the room. Which one will most likely begin to cry?
Anonymous Quiz
31%
a- The 3-month-old.
54%
b- The 12-month-old,
15%
c- Both will cry.
0%
d- Neither will cry.
Therapeutic uses of amphetamine include
Final Results
0%
Angina pectoris
0%
Hypertension
0%
ADHD
0%
bronchial asthma
0%
Anorexia
Choose the wrong statement about ephedrine
Anonymous Quiz
10%
An alkaloid drug derived from plant ephedra
20%
Is a non catecholamine
55%
Has a shot duration of action because it is rapidly metabolized by MOA
5%
it's rate of urinary excretion can be enhanced by acidification of urine by ascorbic acid
10%
It's action is of delayed onset and longer duration compared to adrenaline.
Pharmacodynamics of ephedrine include the following EXCEPT
Anonymous Quiz
13%
It stimulates adrenoceptors by dual mechanics "directly and indirectly "
13%
It has a +ve ino , chrono and dromotropic actions
19%
If injected in anesthetized animals it elevates ABP which is abolished not reversed by phentolamine
44%
It's CNS stimulation action is more powerful than amphetamine
13%
It causes direct contraction of urinary bladder sphincter.
Therapeutic uses of amphetamine include
Anonymous Quiz
5%
Angina pectoris
5%
Hypertension
77%
ADHD
9%
Bronchial asthma
5%
Anorexia
Ephedrine is used as an adjuvant drug in myasthenia gravis because:
Anonymous Quiz
22%
It stimulates directly Nm receptors in NMJ
6%
It dilates BVs of skeletal ms
6%
It inhibits Choline esterase enzyme and can be used as an alternative to neostigmine
6%
It facilitates NM transmission and allows rapid recovery from fatigue
61%
Both B AND D
All of the following are possible therapeutic uses of ephedrine except:
Anonymous Quiz
55%
Benign prostatic hyperplasia
10%
Prophylaxis against bronchial asthma
5%
Narcolepsy
10%
Nocturnal eneuresis
20%
Hypotension
Concerning amphetamine
Anonymous Quiz
26%
It's a non catecholamine synthetic sympathomimetic
5%
Not metabolized by MAO inhibitor but giving MAOI with amphetamine can cause severe hypertension
5%
It acts by stimulating the release of NE from adrenergic nerve endings
11%
It's a potent CNS stimulat highly addictive drug
53%
All of the above
Indications of isoprenaline include :
Anonymous Quiz
0%
Acute attacks of bronchial asthma
10%
AV block
10%
Acute attacks of angina
10%
Ventricular arrythmias
71%
Both a and b
Concerning dopamine choose the false statement:
Anonymous Quiz
0%
It's pharmacological actions depend on the rate of IV infusion
13%
Its pharmacological actions are exaggerated in patients receiving MAO inhibitors
4%
Its pharmacological actions can be theoretically blocked byhaloperidol ,propranolol and phentolamine
83%
It has more positive chronotropic than inotropic action
Propranolol has the following actions except:
Anonymous Quiz
4%
Negative chronotropic
83%
Initial stimulation of beta receptors followed by block
4%
Hypotensive action on prolonged use
9%
Anti- anginal action in stable angina.
0%
Anti anxiety action