The likelihood of having Alzheimer’s disease increases substantially after the age of ………
a) 30
b) 40
c) 50
d) 70
Explanation: AD may affect around 50% of persons over the age of 85
Alzheimer’s disease results from an increase in the production or accumulation of a specific protein……
a) serotonin
b) beta endorphin
c) dopamine
d) beta-amyloid protein
EXERCISE
Which of the following is common to all neurons?
a) a cell body which contains a nucleus
b) a thin myelin sheath
c) presence of nodes of Ranvier
d) presence of Schwann cells
What will occur if a drug at the neuromuscular junction blocks the receptor sites on the –synaptic membrane?
a) inhibition of acetylcholine release
b) muscle contraction
c) muscle paralysis
d) release of calcium ions
The groups of ribosomes present in the cell body of the neuron, which are associated with rough endoplasmic reticulum, are called……..
a) Meissner’s corpuscles
b) Pacinian corpuscles
c) Nissl’s granules
d) Lysosome granules
