Basic Anatomical Terms: Landmarks, Planes of the Body, Range of Motion

Question 1

The sternal angle (Angle of Louis) corresponds to which vertebral level?
A. T2
B. T3
C. T4–T5
D. T6

Answer 1

C. T4–T5

Rationale: The sternal angle aligns with the 2nd costal cartilage and the T4–T5 intervertebral disc, serving as a key thoracic landmark.

Question 2

The iliac crest is commonly used as a surface landmark for which vertebral level?
A. L2
B. L3
C. L4
D. L5

Answer 2

C. L4
Rationale: A horizontal line connecting the highest points of the iliac crests crosses the L4 vertebra, a landmark used for lumbar puncture.

Question 3

The safest intervertebral level for lumbar puncture in adults is:
A. T12–L1
B. L1–L2
C. L3–L4 or L4–L5
D. L5–S1

Answer 3

C. L3–L4 or L4–L5
Rationale: The spinal cord typically terminates at L1–L2 in adults, making lower lumbar spaces safe.

Question 4

McBurney’s point is clinically associated with which condition?
A. Acute cholecystitis
B. Acute appendicitis
C. Diverticulitis
D. Pancreatitis

Answer 4

B. Acute appendicitis

Rationale: McBurney’s point overlies the base of the appendix and is classically tender in appendicitis.

Question 5

The anterior superior iliac spine (ASIS) serves as an attachment for the:
A. Femoral artery
B. Sartorius muscle only
C. Inguinal ligament
D. Rectus femoris tendon

Answer 5

C. Inguinal ligament

Rationale: The inguinal ligament extends from the ASIS to the pubic tubercle.

Question 6

The femoral artery is best palpated at the level of the:
A. Adductor canal
B. Femoral triangle
C. Popliteal fossa
D. Obturator canal

Answer 6

B. Femoral triangle
Rationale: Within the femoral triangle, the artery lies superficial and medial to the femoral nerve.

Question 7

The vertebra prominens refers to the spinous process of:
A. C6
B. C7
C. T1
D. T2

Answer 7

B. C7

Rationale: The spinous process of C7 is long and easily palpable at the base of the neck.

Question 8

The normal location of the cardiac apex beat is at the:
A. 4th intercostal space, parasternal line
B. 5th intercostal space, midclavicular line
C. 6th intercostal space, anterior axillary line
D. 5th intercostal space, parasternal line

Answer 8

B. 5th intercostal space, midclavicular line

Rationale: This location corresponds to the apex of the left ventricle in healthy adults.

Question 9

The umbilicus is located approximately at which vertebral level?
A. T10
B. T12
C. L1
D. L3–L4

Answer 9

D. L3–L4

Rationale: The umbilicus lies near the L3–L4 level in adults.

Question 10

The suprasternal (jugular) notch is located between the:
A. First ribs
B. Clavicles
C. Sternoclavicular joints
D. Manubrium and body

Answer 10

B. Clavicles

Rationale: The suprasternal notch lies at the superior border of the manubrium between the clavicles.

Question 10

The mastoid process serves as an attachment for which muscle?
A. Trapezius
B. Sternocleidomastoid
C. Platysma
D. Masseter

Answer 10

B. Sternocleidomastoid

Rationale: The sternocleidomastoid inserts onto the mastoid process of the temporal bone.

Question 11

The surface landmark for the fundus of the gallbladder is at the:

A. Right 7th costal cartilage
B. Right 9th costal cartilage at the midclavicular line
C. Right 10th costal cartilage
D. Xiphoid process

Answer 11

B. Right 9th costal cartilage at the midclavicular line

Rationale: This landmark is classically used during abdominal examination.

Question 11

The posterior superior iliac spine corresponds clinically to:
A. L4 level
B. S1 level
C. Skin dimples over S2
D. Coccyx

Answer 11

C. Skin dimples over S2

Rationale: The PSIS forms visible dimples overlying the S2 vertebral level.

Question 11

The spinous process used to identify the C7 vertebra is best palpated during:
A. Neck flexion
B. Neck extension
C. Shoulder abduction
D. Deep inspiration

Answer 11

A. Neck flexion

Rationale: Flexion makes cervical spinous processes more prominent.

Question 12

The midclavicular line is most useful for locating the:
A. Appendix
B. Spleen
C. Gallbladder
D. Pancreas

Answer 12

C. Gallbladder

Rationale: The gallbladder fundus lies at the intersection of the midclavicular line and right costal margin.

Question 12

The femoral vein lies relative to the femoral artery as:
A. Lateral
B. Medial
C. Posterior
D. Superficial

Answer 12

B. Medial

Rationale: Within the femoral triangle, structures are arranged lateral to medial as N-A-V-L.

Question 12

The landmark used to assess central venous pressure is the:
A. Xiphoid process
B. Clavicle
C. Sternal angle
D. Manubrium

Answer 12

C. Sternal angle

Rationale: The sternal angle approximates the level of the right atrium.

Question 12

The sagittal plane divides the body into:
A. Anterior and posterior parts
B. Superior and inferior parts
C. Left and right parts
D. Equal upper and lower parts

Answer 12

C. Left and right parts

Rationale: The sagittal plane separates the body into left and right portions.

Question 13

The midsagittal (median) plane divides the body into:

A. Unequal left and right parts
B. Equal left and right halves
C. Anterior and posterior halves
D. Superior and inferior halves

Answer 13

B. Equal left and right halves

Rationale: The midsagittal plane lies exactly at the midline.

Question 13

The transverse plane divides the body into:

A. Anterior and posterior
B. Left and right
C. Medial and lateral
D. Superior and inferior

Answer 13

D. Superior and inferior

Rationale: The transverse plane cuts horizontally across the body.

Question 14

The coronal (frontal) plane divides the body into:

A. Left and right
B. Superior and inferior
C. Anterior and posterior
D. Medial and lateral

Answer 14

C. Anterior and posterior

Rationale: The coronal plane separates the front from the back of the body.

Question 15

Movements of flexion and extension primarily occur in which plane?

A. Coronal
B. Sagittal
C. Transverse
D. Oblique

Answer 15

B. Sagittal

Rationale: Flexion and extension change the angle between body parts in the sagittal plane.

Question 16

Abduction and adduction occur mainly in the:

A. Sagittal plane
B. Transverse plane
C. Coronal plane
D. Horizontal plane

Answer 16

C. Coronal plane

Rationale: These movements occur away from and toward the midline in the coronal plane.

Question 17

Internal and external rotation occur in which plane?

A. Sagittal
B. Coronal
C. Transverse
D. Oblique

Answer 17

C. Transverse

Rationale: Rotational movements occur around a longitudinal axis in the transverse plane.

Question 18

CT scan images are conventionally viewed in which plane? A. Sagittal B. Coronal C. Transverse D. Oblique

Answer 18

C. Transverse Rationale: CT imaging is obtained as axial (transverse) slices.

Question 19

The anatomical position requires all EXCEPT: A. Palms facing forward B. Arms at the sides C. Feet together D. Head flexed

Answer 19

D. Head flexed Rationale: The head is maintained in a neutral, forward-facing position.

Question 20

An oblique plane is best defined as: A. A vertical plane B. A horizontal plane C. A plane angled between standard planes D. A median plane

Answer 20

C. A plane angled between standard planes Rationale: Oblique planes do not align with sagittal, coronal, or transverse planes.

Question 21

The coronal plane is perpendicular to the: A. Sagittal plane only B. Transverse plane only C. Both sagittal and transverse planes D. Oblique plane

Answer 21

C. Both sagittal and transverse planes Rationale: The coronal plane intersects both at right angles.

Question 22

MRI images of the spine are commonly reconstructed in all EXCEPT: A. Sagittal B. Coronal C. Transverse D. Longitudinal axis

Answer 22

D. Longitudinal axis Rationale: Imaging is described using anatomical planes, not axes.

Question 23

The plane passing horizontally through the umbilicus is a: A. Sagittal plane B. Coronal plane C. Transverse plane D. Oblique plane

Answer 23

C. Transverse plane Rationale: The umbilicus lies within a horizontal (transverse) plane.

Question 24

Anatomical planes are used primarily to: A. Measure muscle strength B. Describe locations and movements C. Identify tissue histology D. Assess reflexes

Answer 24

B. Describe locations and movements Rationale: Planes standardize anatomical descriptions and motion analysis.

Question 25

The anatomical position allows description of body parts regardless of: A. Age B. Sex C. Body orientation D. Body size

Answer 25

C. Body orientation Rationale: Descriptions remain consistent even when posture changes.

Question 26

The plane best used to describe superior–inferior relationships is the: A. Sagittal B. Coronal C. Transverse D. Oblique

Answer 26

C. Transverse Rationale: This plane separates upper and lower body portions.

Question 27

Range of motion (ROM) refers to: A. Muscle strength B. Joint stability C. Degree of movement at a joint D. Ligament elasticity

Answer 27

C. Degree of movement at a joint Rationale: ROM describes how far a joint can move.

Question 28

Active range of motion is movement performed by the: A. Examiner B. Patient C. Examiner with assistance D. Gravity alone

Answer 28

B. Patient Rationale: Active ROM assesses voluntary muscle contraction.

Question 29

Passive range of motion is movement performed by the: A. Patient B. Muscle contraction C. Examiner D. Tendon reflex

Answer 29

C. Examiner Rationale: Passive ROM evaluates joint mobility independent of muscle strength.

Question 30

Limitation of both active and passive ROM suggests pathology of the: A. Muscle B. Nerve C. Joint D. Neuromuscular junction

Answer 30

C. Joint Rationale: Joint disorders restrict motion regardless of effort.

Question 31

Flexion is best described as: A. Increasing the angle between bones B. Decreasing the angle between bones C. Movement away from midline D. Rotational movement

Answer 31

B. Decreasing the angle between bones Rationale: Flexion brings articulating surfaces closer together.

Question 32

Extension refers to: A. Decreasing joint angle B. Increasing joint angle C. Lateral movement D. Circular movement

Answer 32

B. Increasing joint angle Rationale: Extension straightens the joint.

Question 33

Abduction is movement: A. Toward the midline B. Away from the midline C. Rotating inward D. Rotating outward

Answer 33

B. Away from the midline Rationale: Abduction moves a limb laterally from the body’s midline.

Question 34

Adduction is movement: A. Away from the midline B. Toward the midline C. Forward D. Backward

Answer 34

B. Toward the midline Rationale: Adduction returns a limb toward the body axis.

Question 35

Circumduction is best described as: A. Pure rotation B. Linear movement C. Combination of flexion, extension, abduction, and adduction D. Passive movement only

Answer 35

C. Combination of flexion, extension, abduction, and adduction Rationale: Circumduction produces a cone-shaped motion.

Question 36

Pronation and supination occur at the: A. Shoulder joint B. Elbow and radioulnar joints C. Wrist joint only D. Interphalangeal joints

Answer 36

B. Elbow and radioulnar joints Rationale: These movements involve rotation of the radius around the ulna.

Question 37

Dorsiflexion refers to movement at the: A. Knee B. Hip C. Ankle D. Wrist

Answer 37

C. Ankle Rationale: Dorsiflexion raises the dorsum of the foot toward the leg.

Question 38

Plantarflexion moves the foot: A. Upward B. Inward C. Downward D. Laterally

Answer 38

C. Downward Rationale: Plantarflexion points the toes inferiorly.

Question 39

Internal rotation is movement: A. Away from the midline B. Toward the midline C. Around a transverse axis D. Around a sagittal axis

Answer 39

B. Toward the midline Rationale: Internal rotation turns the anterior surface medially.

Question 40

External rotation is movement: A. Toward the midline B. Away from the midline C. Superiorly D. Inferiorly

Answer 40

B. Away from the midline Rationale: External rotation turns the anterior surface laterally.

Question 41

Excessive range of motion usually indicates: A. Muscle paralysis B. Joint effusion C. Ligament laxity D. Fracture

Answer 41

C. Ligament laxity Rationale: Ligamentous support limits normal joint motion.

Question 42

Goniometers are used to measure: A. Muscle mass B. Joint angle C. Bone density D. Reflex activity

Answer 42

B. Joint angle Rationale: ROM is quantified in degrees using a goniometer.

Question 43

Normal ROM values are important primarily for: A. Surgical planning only B. Anatomical description only C. Clinical assessment and diagnosis D. Radiologic interpretation only

Answer 43

C. Clinical assessment and diagnosis Rationale: ROM findings assist in diagnosing musculoskeletal and neurological disorders.