Anatomy Basics Flashcards

What is the name of the fibrous sac that encloses and protects the heart?

Answer: Pericardium

The pericardium is a double-walled fibroserous sac surrounding the heart that reduces friction during cardiac contractions.

Which region of the vertebral column has the greatest degree of mobility?

Answer: Cervical

The cervical region has the greatest range of motion, allowing flexion, extension, lateral flexion, and rotation of the head.

Adipose tissue primarily functions as:

Answer: Energy storage and insulation

Adipose tissue stores triglycerides for energy, insulates the body, and cushions organs.

The anatomical position requires the palms to be facing:

Answer: Anteriorly (forward)

In the standard anatomical position, the body stands upright with palms facing anteriorly (forward) and thumbs pointing laterally.

Which bone is commonly referred to as the 'kneecap'?

Answer: Patella

The patella is a sesamoid bone embedded in the quadriceps tendon that protects the knee joint and improves leverage.

The study of the body's structural organization at the chemical and cellular level is called:

Answer: Microscopic anatomy

Microscopic anatomy (histology) examines structures too small to see with the naked eye, including cells and tissues.

Which muscle is the primary flexor of the forearm at the elbow?

Answer: Biceps brachii

The biceps brachii is the prime mover (agonist) for forearm flexion, acting most powerfully when the forearm is supinated.