What Is a Xenolith

question 11

Multiple Choice

What is a xenolith?

• A) a sheet-like intrusion that lies parallel to surrounding layers of sedimentary rock
• B) a cooled magma chamber that has been eroded
• C) a fragment of wall rock that broke off and was surrounded by magma
• D) a very coarse-grained igneous rock

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Definitions:

Head Circumference

A measurement around the largest part of the skull, used in medical contexts to assess brain growth and development, especially in infants and young children.

Temporal Arteritis

An inflammatory disease that affects the large and medium-sized arteries, particularly the temporal arteries, leading to symptoms like headache and vision problems.

Crepitation

The crackling or popping sounds and sensations experienced under the skin and joints or during the movement of certain body parts, often indicative of gas collection or friction.

Bell Palsy

A temporary condition that causes sudden, temporary weakness or paralysis of the facial muscles, typically on one side of the face.