Mina Has a Younger Brother Who Has an Autism Spectrum

question 3

Multiple Choice

Mina has a younger brother who has an autism spectrum disorder and she is worried that her infant son may also be diagnosed with the same disorder.She has heard that vaccines may cause autism and asks you about this.What should you tell your friend?

• A)Vaccines are perfectly safe and have never been known to cause any neurological problems.
• B)She can premedicate her son with aspirin at least five hours prior to vaccination,and this will reduce his risk.
• C)The Institute of Medicine has determined that evidence is insufficient to demonstrate a causal relationship between vaccines and autism.
• D)There is a strong link between vaccines and autism spectrum disorders and the evidence is growing stronger every day.She should not vaccinate.

---

Definitions:

Sarcomeres

The fundamental units of a muscle's myofibril, responsible for muscle contraction.

Z Line (Disc)

A key component in skeletal muscle fibers that anchors the actin filaments and marks the boundary between sarcomeres.

Motor Unit

A single motor neuron and all the muscle fibers it innervates, functioning as a single operational unit in muscle contraction.

Neuron

A specialized cell transmitting nerve impulses; a nerve cell.