Quisitor - Take Quiz

1

Which one of the following statements is correct?

Long-term instantiation is the most commonly studied form of synaptic plasticity.

Changes in the strength of connections between glia has been shown in animal models to mediate learning and memory.

The NMDA and AMPA ionotropic glutamate receptors have been implicated in synaptic plasticity in the mammalian cerebral cortex.

Classical (Pavlovian) conditioning is an example of declarative (explicit) memory.

Adult neurons of the mammalian cerebral cortex are unable to generate new synapses.

2

Which one of the following statements relating to the CNS stimulant amphetamine is correct?

Amphetamine elicits stereotypic behaviour.

Amphetamine is an appetite stimulant.

Amphetamine induces hypothermia.

Amphetamine has local anaesthetic activity.

Amphetamine inhibits serotonin re-uptake.

3

Which one of the following drug classes are NOT used in the management of mood disorders?

Inhibitors of serotonin re-uptake.

Inhibitors of α2-adrenoceptors.

Inhibitors of monoamine oxidase.

Inhibitors of noradrenaline uptake.

Inhibitors of β2-adrenoceptors.

4

Which one of the following statements about the effect of ageing on the genito-urinary tract and function is correct?

Bladder capacity increases.

FSH and LH levels decrease.

There is no change in renal sodium conservation.

Renal medullary loss is greater than cortical loss.

There is an increase in nocturnal polyuria.

5

Which one of the following statements about falls in older people is most correct?

Fractured neck of the femur is the most common injury.

Environmental hazards are the major contributing factor.

Medications to reduce anxiety, such as diazepam, may reduce the risk of falls.

Frequent falls warrant Nursing Home admission.

Fear of falling is the most common consequence.

6

Which one of the following conditions is most frequently associated with a frequent fluctuation in cognition?

Alzheimer's disease.

Depression.

Parkinson's disease.

Delirium.

Mild cognitive impairment.

7

Which one of the following drugs should never be used in people over the age of 80 years?

Carbamazepine.

Amitriptyline.

Temazepam.

Indomethacin.

Flunitrazepam.

8

Which one of the following statements about genes or chromosomes is correct?

There are imprinted genes on most of the 23 pairs of chromosomes.

Uniparental disomy is the most common cause of Prader-Willi syndrome.

Parthenogenesis refers to an embryo formed which contains all 46 chromosomes from the father.

X-inactivation is an example of an epigenetic event.

Changes to imprinted genes on chromosome 15q are associated with Beckwith-Widemann syndrome.

9

Which one of the following is the mechanism by which the HOX genes control embryonic development?

Signal induction between neighbouring cells.

Providing cells with positional information.

Directly activating structural genes, which then induce cellular differentiation.

Responding to homeotic transformations.

Defining the dorsal versus the ventral axis.

10

Which one of the following statements about teratology is correct?

Chorionic villus sampling (CVS) carries a post-procedure miscarriage risk of approximately 3%.

CVS is the preferred procedure in prenatal diagnosis prior to 10 weeks of gestation.

Vascular disruption defects are a recognised complication of CVS.

Teratogens are harmful at all gestations.

A dose-response relationship has been established for most teratogens.

CSGD Quiz 3 2008

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