Question: Which of the following statements about bone marrow is true?
Answer Choices:
a. In the long bones of adults, yellow marrow is mostly replaced by red marrow, b. The adult hipbone contains no red marrow, c. Red marrow is the site of blood cell formation, d. Red marrow contains mostly adipose tissue.
Answer: c. Red marrow is the site of blood cell formation.
Question: Human skin becomes drier with age due to a decrease in
Answer Choices:
a. elasticity, b. sebaceous gland activity, c. keratinocyte division, d. vitamin D production.
Answer: b. sebaceous gland activity.
Question: Which cranial suture joins the parietal bones along the skull’s midline, as seen from the superior view?
Answer Choices:
a. coronal, b. lambdoid, c. occipitomastoid, d. sagittal.
Answer: d. sagittal.
Question: Human skin becomes drier with age due to a decrease in
Answer Choices:
a. elasticity, b. sebaceous gland activity, c. keratinocyte division, d. vitamin D production.
Answer: b. sebaceous gland activity.
Question: What type of cartilage plays a part in long bone growth and repair?
Answer Choices:
a. collagen, b. elastic cartilage, c. fibrocartilage, d. hyaline cartilage.
Answer: d. hyaline cartilage.
Question: Which cranial suture joins the parietal bones along the skull’s midline, as seen from the superior view?
Answer Choices:
a. coronal, b. lambdoid, c. occipitomastoid, d. sagittal.
Answer: d. sagittal.
Question: In which of the following ways do chondrocytes receive nutrients?
Answer Choices:
a. delivery from blood vessels through the cartilage matrix, b. delivery from blood vessels through the perichondrium layer, c. diffusion through the cartilage matrix, d. transport from stem cells.
Answer: c. diffusion through the cartilage matrix.
Question: Which of the following statements about bone marrow is true?
Answer Choices:
a. In the long bones of adults, yellow marrow is mostly replaced by red marrow, b. The adult hipbone contains no red marrow, c. Red marrow is the site of blood cell formation, d. Red marrow contains mostly adipose tissue.
Answer: c. Red marrow is the site of blood cell formation.
Question: What are the two principal minerals stored in bone?
Answer Choices:
a. calcium and iron, b. calcium and magnesium, c. calcium and phosphorus, d. phosphorus and iron.
Answer: c. calcium and phosphorus.
Question: Which of the following is a factor that contributes to wrinkling in aging skin?
Answer Choices:
a. increase in collagen, b. increase in melanin, c. loss of adipose tissue, d. decrease in temperature regulation.
Answer: c. loss of adipose tissue.
Question: What are the two principal minerals stored in bone?
Answer Choices:
a. calcium and iron, b. calcium and magnesium, c. calcium and phosphorus, d. phosphorus and iron.
Answer: c. calcium and phosphorus.
Question: Which of the following is a factor that contributes to wrinkling in aging skin?
Answer Choices:
a. increase in collagen, b. increase in melanin, c. loss of adipose tissue, d. decrease in temperature regulation.
Answer: c. loss of adipose tissue.
Question: Which of the following demonstrates that the skeletal system provides storage for the body?
Answer Choices:
a. Blood cells are produced within red bone marrow, b. Calcium and phosphorus are released from bones when blood levels of the minerals decrease, c. Smooth cartilage covers the ends of some bones, d. The brain and spinal cord are surrounded by the cranium and vertebrae.
Answer: b. Calcium and phosphorus are released from bones when blood levels of the minerals decrease.
Question: What type of cartilage plays a part in long bone growth and repair?
Answer Choices:
a. collagen, b. elastic cartilage, c. fibrocartilage, d. hyaline cartilage.
Answer: d. hyaline cartilage.
Question: Which of the following demonstrates that the skeletal system provides storage for the body?
Answer Choices:
a. Blood cells are produced within red bone marrow, b. Calcium and phosphorus are released from bones when blood levels of the minerals decrease, c. Smooth cartilage covers the ends of some bones, d. The brain and spinal cord are surrounded by the cranium and vertebrae.
Answer: b. Calcium and phosphorus are released from bones when blood levels of the minerals decrease.
Question: In which of the following ways do chondrocytes receive nutrients?
Answer Choices:
a. delivery from blood vessels through the cartilage matrix, b. delivery from blood vessels through the perichondrium layer, c. diffusion through the cartilage matrix, d. transport from stem cells.
Answer: c. diffusion through the cartilage matrix.