Quiz: Integumentary System and Musculoskeletal System Overview
1. Which of the following minerals provide strength and rigidity to bones?
Calcium Phosphorus Both a and b Neither a or b
2. True or False: Regular exercise significantly reduces the risk of many diseases.
True or False
3. When an action potential travels through the nervous system to skeletal muscle, the
action potential reaches the __________in order to begin muscle contractions.
Dermal-muscular junction Neuro-muscular junction Adipose-muscular junction
Neuro-arterial junction
4. The erector pili muscles are associated with which of the following structures?
Nails Hair Glands Keratin
5. The tibia is categorized as which type of bone?
Flat bone Long bone Irregular bone Short bone Sesamoid bone
6. True or False: Boys tend to stop growing (reach their peak height) before girls.
True or False
7. True or False: Actin is a protein found in thin filaments, while myosin is a protein
found in thick filaments. True or False
8. Which of the following is recommended to prevent decubitus ulcers?
Good nutrition Avoid Pressure Turn patient every 2 hours All of the above
9. A spinal vertebrae is categorized as which type of bone?
Flat bone Long bone Irregular bone Short bone Sesamoid bone
10. In regards to the sarcomere, the ____band is known as the dark band.
A I L D T
11. As we age, our hair turns grey and then white. This is due to the gradual reduction
of what substance found in hair?
Keratin Mandarin Sebum Melanin
12. When looking at skeletal muscle under a microscope, a muscle fiber has repeating
regions of light and dark bands. This arrangement is known as__________.
Pleating Ridging Striation Corrugation
13. In regards to the sarcomere, the ___band is known as the light band.
A I L D T
14. What vitamin is produced by the skin in response to sunlight exposure?
Vitamin A Vitamin C Vitamin D Vitamin K
15. Corpuscles are sensory nerve endings located in the dermis. What type of sensory
information do they relay to the brain?
Pain Pressure Temperature Proprioception
16. Which of the following is necessary for muscle contractions?
Oxygen Calcium ATP myoglobin all of the above
17. The basic unit of skeletal muscle tissue that shortens during contractions is known
as the:
Z-line sarcomere I-band A-band
18. True or False: To increase bone density, it is better to perform non-weight-bearing
exercises such as swimming rather than weight-bearing exercises such as walking.
True or False
19. What structure in the skin secretes sebum?
Sebaceous gland Sweat gland Keratin gland Pacinian gland
20. Complete replacement of the epidermis takes about:
1 day 1 week 1 month 1 year
21. What substance, found inside muscle tissue, transport oxygen into the mitochondria
( the power house of the muscle cell) necessary for generating the energy for muscle
contraction?
Monocyte Myoglobin Magnesium Macrophages
22. Someone taps you on your shoulder very lightly. What receptors in your skin
alerted you of this light touch?
Pacinian corpuscle Meissner corpuscle Free nerve ending Thermoreceptor
23. True or False: There are no blood vessels or nerve endings in the epidermis.
True or False
24. How many bones are there in the human body? 100 200 106 206
25. As a child grows taller, this longitudinal bone growth takes place at this region of
the bone: Epiphyseal plate Diaphyseal plate Symphasis plate Metaphyseal plate
26. In what part of the body is the epidermis the thinnest?
The forearm the nose the ears the eyelids
27. True or False: The largest organ in the body is the skin. True or False
28. Ligaments join bone to bone and tendons join muscle to bone.
Both statements are true
Both statements are false
The first statement is correct but the second is false
The second statement is correct but the first one is false
29. The patella (knee cap) is categorized as which type of bone?
Flat bone Long bone Irregular bone Short bone Sesamoid bone
30. Once muscle tissue is stimulated by the nervous system, what mineral is released
inside the muscle fiber to help facilitate (begin) muscle contraction?
Phosphorus Magnesium Calcium Copper
31. Which of the following is not one of the functions of the integumentary system?
Protection Sensation Regulation of body temperature Formation of Vitamin C
32. In what part of the body is the epidermis the thickest?
The elbows the knees the palm of the hands/bottom of the foot the buttocks
33. The shaft of a long bone is known as the: epiphysis diaphysis epiphyseal plate
periosteum
34. Part A) Describe the major structures contained in the dermis layer of the skin.
Please include the major function of these structures as well. Part B) Explain the
process of muscle contraction including the substances necessary for contraction to
occur. Begin with the impulse from the nervous system.
35. Match each type of bone cell with the phrase that best characterizes that particular
cell type. Osteoblasts- bone-forming cells
Osteoclasts- bone-resorbing cells Osteocytes- mature bone cells
36. Match each structure or process with the word or phrase that best characterizes
that structure or process. Sweat glands- help to regulate body temperature
absorption- transdermal patches sebaceous glands - secrete oily substances into hair
follicles excretion - urea, sodium, chloride, garlic and other herbs and spices
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