Anatomy Exam General Anatomy 4 — Questions and Answers
Question 1: Which region of the abdomen is located in the upper right, beneath the ribs?
- Epigastric region
- Right iliac region
- Right hypochondriac region (Correct answer)
- Right lumbar region
Correct answer: Right hypochondriac region
The right hypochondriac region is located in the upper right portion of the abdomen, beneath the cartilages of the lower ribs, and contains most of the liver.
Question 2: What is the primary function of adipose tissue?
- Structural support and scaffolding
- Energy storage, insulation, and cushioning (Correct answer)
- Oxygen transport and immune defense
- Rapid cell division and growth
Correct answer: Energy storage, insulation, and cushioning
Adipose tissue primarily stores triglycerides for energy, insulates the body against heat loss, and cushions and protects organs.
Question 3: Which of the following correctly describes the anatomical position?
- Standing, arms at sides, palms facing posteriorly
- Standing, arms raised above head, palms forward
- Standing erect, arms at sides, palms facing anteriorly (Correct answer)
- Lying face down with arms extended
Correct answer: Standing erect, arms at sides, palms facing anteriorly
The anatomical position is standing erect, feet together, arms at the sides with palms facing anteriorly (forward), and thumbs pointing away from the body.
Question 4: What type of movement occurs when you turn your palm from facing downward to facing upward?
- Pronation
- Supination (Correct answer)
- Inversion
- Eversion
Correct answer: Supination
Supination is the rotation of the forearm that turns the palm anteriorly (upward when the arm is at the side), performed by the supinator and biceps brachii muscles.
Question 5: Which cells are responsible for producing the extracellular matrix in connective tissue?
- Macrophages
- Mast cells
- Fibroblasts (Correct answer)
- Plasma cells
Correct answer: Fibroblasts
Fibroblasts are the most common connective tissue cells and are responsible for synthesizing collagen, elastin, and other components of the extracellular matrix.
Question 6: The term 'ipsilateral' refers to structures located on:
- Opposite sides of the body
- The same side of the body (Correct answer)
- The anterior surface
- The inferior portion
Correct answer: The same side of the body
Ipsilateral refers to structures on the same side of the body, for example, the right arm and right leg are ipsilateral to each other.
Question 7: Which anatomical structure serves as the functional unit of the kidney?
- Glomerulus
- Loop of Henle
- Nephron (Correct answer)
- Collecting duct
Correct answer: Nephron
The nephron is the functional unit of the kidney, responsible for filtering blood and producing urine; each kidney contains approximately one million nephrons.
Which region of the abdomen is located in the upper right, beneath the ribs?