Free BCSE Anatomy Questions and Answers — Questions and Answers
Question 1: Which bone shapes the upper portion of the eye sockets and the forehead?
- The occipital bone
- Maxilla
- Frontal bone (Correct answer)
- Bone zygomatic
Correct answer: Frontal bone
The orbits, or upper portion of the eye sockets, are formed from the frontal bone.
Question 2: Out of the following, which one is not an axial skeleton bone?
- Skull
- Vertebrae
- Humerus (Correct answer)
- Sternum
Correct answer: Humerus
One bone in the appendicular skeleton—more precisely, the upper limb—is the humerus.
Question 3: Which bone articulates with the femur to create the hip joint?
- Pubis
- Ilium (Correct answer)
- Tibia
- Ischium
Correct answer: Ilium
The hip joint is formed by the femur articulating with the acetabulum of the hip bone, which is made by the pubis, ischium, and ilium.
Question 4: Which of these doesn't belong in the pelvic girdle?
- Coccyx
- Pubis
- Scapula (Correct answer)
- Sacrum
Correct answer: Scapula
The pectoral girdle, not the pelvic girdle, contains the scapula.
Question 5: Which side of the forearm is home to the ulna?
- Lateral
- Posterior
- Medial (Correct answer)
- Anterior
Correct answer: Medial
The forearm's medial side is home to the ulna and its lateral side to the radius.
Question 6: Which muscle is involved in forearm flexion?
- Deltoid
- Brachialis
- Triceps brachii
- Biceps brachii (Correct answer)
Correct answer: Biceps brachii
A strong forearm flexor at the elbow joint is the biceps brachii.
Question 7: Of the following, which one is not a component of the carpus (wrist)?
- Ulna (Correct answer)
- Scaphoid
- Radius
- Lunate
Correct answer: Ulna
The ulna is a forearm bone, not a component of the wrist (carpus).
Question 8: What is the trapezius muscle's main purpose?
- Movement of the hip joint
- Movement of the scapula (Correct answer)
- Flexion of the forearm
- Extension of the forearm
Correct answer: Movement of the scapula
The scapula can move in many directions, such as rotation, retraction, depression, and elevation, thanks to the trapezius muscle.
Question 9: What anatomical structure unites the two hemispheres of the brain?
- Cerebellum
- Thalamus
- Corpus callosum (Correct answer)
- Medulla oblongata
Correct answer: Corpus callosum
The left and right brain hemispheres are connected by a wide band of nerve fibers called the corpus callosum, which facilitates communication between them.
Question 10: What is not a cranial nerve among these?
- Spinal accessory nerve
- Optic nerve
- Phrenic nerve (Correct answer)
- Vagus nerve
Correct answer: Phrenic nerve
The diaphragm is the main structure innervated by the phrenic nerve, a spinal neuron that arises from the cervical nerves (C3–C5).
Question 11: What is the pancreas' principal role?
- Production of insulin
- Digestion of fats
- Regulation of blood sugar levels (Correct answer)
- Production of bile
Correct answer: Regulation of blood sugar levels
The hormones glucagon and insulin, which control blood sugar levels, are secreted by the pancreas.