WGU D203 ANATOMY & PHYSIOLOGY EXAM – ANSWERED
1. Which part of the hair is not anchored to the follicle and is exposed at the skin’s surface?
– Follicle
– Matrix
– Shaft
– Root
2. Which part of the hair contains cells that are actively reproducing?
– Matrix
– Papilla
– Root
– Follicle
3. Which type of tissues can be observed beneath the dermis?
– Closed epithelial tissues
– Fibrous tissues
– Loose connective and fatty tissues
– Irregular connective tissues
4. Which pigment gives a black and brown color to the skin?
– Carotene
– Hemoglobin
– Melanin
– Pheomelanin
5. What is the primary factor that causes basal cell carcinoma?
– Arsenic poisoning
– Exposure to artificial radiation
– Long-term sun exposure
– Wounds with open sores
6. Which skin disease is characterized by an allergic reaction resulting in dry, itchy patches of skin that resemble rashes?
– Eczema
– Basal cell carcinoma
– Melanoma
– Acne
7. Which degree of burn is a mild sunburn?
– First-degree
– Second-degree
– Third-degree
– Fourth-degree
8. Which epidermal region is affected by squamous cell carcinoma?
– Stratum basale
– Stratum spinosum
– Stratum lucidum
– Stratum granulosum
9. On which bone would a styloid process be found?
– Tibia
– Ilium
– Scapula
– Ulna
10. Which part of the axial skeleton is shown?
– Scapula
– Humerus
– Sternum
– Femur
11. Which movement is demonstrated by ball-and-socket joints?
– Grabbing a ball
– Standing on tiptoes
– Swinging the arms in circles
– Bending at the waist
12. Where would a symphysis most likely be found?
– Shoulder joint
– Foot bones
– Between vertebrae
– Jaw bones
13. Where on the body would a hinge joint be found?
– Elbow
– Hip
– Neck
– Shoulder
14. Which bones are formed by intramembranous ossification?
– Skull bones
– Humerus
– Ribs
– Femur
15. Which movements are enabled by the radiocarpal joint?
– Supination and pronation
– Dorsiflexion
– Flexion and extension
– Inversion
16. Which set of proteins are regulatory proteins in skeletal muscle cells?
– Actin and troponin
– Actin and myosin
– Myosin and tropomyosin
– Troponin and tropomyosin
17. Which role is played by the biceps brachii when lifting a cup?
– Synergist
– Prime mover
– Fixator
– Antagonist
18. Which action increases the strength of a muscle contraction?
– Slowing myosin
– Adding more motor units
– Moving actin faster
– Reducing sarcomeres
19. What is epimysium?
– Plasma membrane
– Sarcomere
– Connective tissue sheath
– Muscle bundles
20. Which neck muscle can tilt the head forward?
– Longissimus capitis
– Sternocleidomastoid
– Splenius capitis
– Semispinalis capitis
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