#1
Which of the following is a characteristic feature of Muscular Dystrophy?
Rapid weight loss
Muscle weakness and degeneration
Increased flexibility
Enhanced muscle growth
#2
Which type of Muscular Dystrophy primarily affects males and usually appears in early childhood?
Duchenne Muscular Dystrophy
Becker Muscular Dystrophy
Myotonic Dystrophy
Facioscapulohumeral Muscular Dystrophy
#3
Which of the following is NOT a type of Muscular Dystrophy?
Myotonic Dystrophy
Limb-Girdle Muscular Dystrophy
Amyotrophic Lateral Sclerosis
Facioscapulohumeral Muscular Dystrophy
#4
Which of the following muscles is typically affected first in Duchenne Muscular Dystrophy?
Quadriceps
Biceps
Triceps
Gastrocnemius
#5
Which of the following types of Muscular Dystrophy is characterized by muscle stiffness and difficulty relaxing after contraction?
Duchenne Muscular Dystrophy
Becker Muscular Dystrophy
Myotonic Dystrophy
Limb-Girdle Muscular Dystrophy
#6
What is the inheritance pattern of Duchenne Muscular Dystrophy?
X-linked recessive
Autosomal dominant
Autosomal recessive
Y-linked
#7
Which of the following proteins is primarily affected in Duchenne Muscular Dystrophy?
Dystrophin
Myosin
Actin
Troponin
#8
What is the most common type of Muscular Dystrophy in adults?
Duchenne Muscular Dystrophy
Myotonic Dystrophy
Becker Muscular Dystrophy
Limb-Girdle Muscular Dystrophy
#9
Which of the following is a characteristic feature of Myotonic Dystrophy?
Cataracts
Progressive muscle weakness
Scoliosis
Mitochondrial dysfunction
#10
Which type of Muscular Dystrophy is characterized by weakness and wasting of muscles in the shoulders, upper arms, and lower legs?
Facioscapulohumeral Muscular Dystrophy
Limb-Girdle Muscular Dystrophy
Myotonic Dystrophy
Duchenne Muscular Dystrophy
#11
What is the typical progression of Duchenne Muscular Dystrophy?
Stable muscle function throughout life
Muscle weakness begins in adulthood
Loss of walking ability by early teens and eventual confinement to a wheelchair
Complete absence of symptoms
#12
What is the primary cause of death in individuals with Duchenne Muscular Dystrophy?
Respiratory failure
Cardiac arrest
Kidney failure
Liver failure
#13
What is the role of dystrophin in muscle cells?
It regulates calcium ion transport.
It provides structural support to the sarcolemma.
It catalyzes ATP hydrolysis.
It stimulates myofibril contraction.
#14
Which of the following is a potential treatment approach for Muscular Dystrophy?
Enzyme replacement therapy
Gene therapy
Stem cell transplantation
All of the above
#15
Which of the following is a common symptom of Emery-Dreifuss Muscular Dystrophy (EDMD)?
Cataracts
Hearing loss
Cardiac conduction defects
Elevated creatine kinase levels