Particles: a Neutral η⁰ (Having Mass 0

question 2

Multiple Choice

Particles: A neutral η⁰ (having mass 0.642 u) that is at rest decays into two gamma ray photons. What is the energy in MeV of each photon? (1 u = 931.5 MeV/c²)

• A) 299 MeV
• B) 597 MeV
• C) 1190 MeV
• D) 199 MeV
• E) 149 MeV

Learn the terminology and purposes of various diagnostic and therapeutic invasive procedures.

Understand the correct order and rationale for wearing protective barriers in isolation settings.

Identify the appropriate precautions for different infectious diseases.

Demonstrate knowledge of measures to break the chain of infection at various levels.

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Definitions:

Bloodstream

The flowing blood within the circulatory system of the body, carrying oxygen, nutrients, and waste products to and from the tissues.

Neurotransmitters

Chemical substances in the brain that transmit signals from one neuron to another, playing a key role in the function of the nervous system.

Synaptic Vesicles

Tiny sacs within a synapse that release neurotransmitters, enabling neuron communication.

Receptor Sites

Specific areas on the surface of cells or within cells that are sensitive to certain substances, allowing for communication between cells or systems.