Anatomy Exam Anatomy and Physiology 2 — Questions and Answers
Question 1: Which type of muscle tissue is found in the walls of hollow organs like the stomach and bladder?
- Cardiac muscle
- Skeletal muscle
- Smooth muscle (Correct answer)
- Striated muscle
Correct answer: Smooth muscle
Smooth muscle is involuntary and lines hollow organs such as the stomach, bladder, and blood vessels.
Question 2: What is the primary function of the lymphatic system?
- Producing red blood cells
- Returning excess interstitial fluid to the bloodstream (Correct answer)
- Regulating blood pressure
- Synthesizing clotting factors
Correct answer: Returning excess interstitial fluid to the bloodstream
The lymphatic system collects excess interstitial fluid and returns it to the venous circulation via lymphatic vessels.
Question 3: Which bone marking describes a rounded projection that articulates with another bone?
- Foramen
- Condyle (Correct answer)
- Fossa
- Meatus
Correct answer: Condyle
A condyle is a smooth, rounded articular projection found at the end of bones where they form joints.
Question 4: The sinoatrial (SA) node is located in which chamber of the heart?
- Left ventricle
- Right ventricle
- Left atrium
- Right atrium (Correct answer)
Correct answer: Right atrium
The SA node, the heart's natural pacemaker, is embedded in the wall of the right atrium near the superior vena cava.
Question 5: Which layer of the skin contains blood vessels, nerve endings, and hair follicles?
- Epidermis
- Hypodermis
- Dermis (Correct answer)
- Stratum corneum
Correct answer: Dermis
The dermis is the deeper layer of skin that houses blood vessels, nerves, sweat glands, and hair follicles.
Question 6: Which structure connects a muscle to a bone?
- Ligament
- Tendon (Correct answer)
- Bursa
- Cartilage
Correct answer: Tendon
Tendons are dense regular connective tissue cords that attach skeletal muscles to bones.
Question 7: What is the anatomical term for the back surface of the body?
- Anterior
- Lateral
- Posterior (Correct answer)
- Medial
Correct answer: Posterior
Posterior refers to the back or dorsal surface of the body in standard anatomical terminology.
Which type of muscle tissue is found in the walls of hollow organs like the stomach and bladder?