What is the ground substance in blood a Crystals of calcium

What is the ground substance in blood? a. Crystals of calcium salt (hydroxyapatite) b. Hyaluronic acid c. Water d. Fibrin Where would I find fibrocartilage? a. In the knees b. In the sutures of the skull c. In the hip socket d. In the ribs Which of the flowing is striated and branched? a. Skeletal muscle b. Smooth muscle c. Cardiac muscle d. Connective tissue What is the protein that makes our skin waterproof? a. Keratin b. Epithelium c. Rain-x d. Serous membrane Which layer of the epidermis is the thickest? a. Stratum squamosum b. Stratum corneum c. Stratum basale d. Stratum lucidum Which layer of the dermis contains the capillaries that feed the epidermis? a. The reticular layer b. Stratum spinosum c. Stratum granulosum d. The papillary layer Which of the following is not a warning sign of melanoma? a. Large diameter b. Multiple colors c. Regular border d. Asymmetry

Solution

Answer:

14. (c)

Ground substance is primarily composed of water and hyaluronic acid.

15. (a) Knee

Fibrocartilage is found in the knee joint.

16. (c) cardiac muscle

Cardiac muscles are striated, involuntary, branched, shaped like fibers cross-linked to one another, typically one nucleus per cell.

17. (a) Keratin

It gives skin much of its resistance to physical wear and tear and makes skin waterproof.