A Patient Visits Her Doctor for a Routine Checkup

question 1

Multiple Choice

A patient visits her doctor for a routine checkup.The doctor observes lymphadenopathy,or swollen lymph nodes in the side of the patient's neck.The patient says,"Those have been swollen for a few months,but I have felt fine that whole time." Indeed there are no other symptoms.What is a likely cause of this problem?

• A) The patient is developing a bacterial infection.
• B) The patient needs a tonsillectomy.
• C) The patient is HIV positive.
• D) The patient is recovering from the flu.

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Definitions:

Multipolar Neuron

A type of neuron that has one axon and multiple dendrites, allowing it to receive and integrate signals from many other neurons.

Glia Cells

Non-neuronal cells in the central and peripheral nervous system that provide support and nutrition, maintain homeostasis, and participate in signal transmission.

Embryonic Germ Layers

The three primary layers of cells (ectoderm, mesoderm, endoderm) in the embryo, from which all organs and tissues develop.

Endoderm

The innermost of the three primary germ layers in the early embryo that gives rise to the lining of the digestive and respiratory systems.