Rigor mortis occurs because ________
A) no ATP is available to release attached actin and myosin molecules
B) proteins are beginning to break down, thus preventing a flow of calcium ions
C) the cells are dead
D) sodium ions leak into the muscle causing continued contractions
A
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What is the whitish portion of the proximal nail body where blood vessels do not show through the layer of keratinized cells?
A) lunula B) nail body C) nail root D) eponychium
The types of immunity a person is born with are called ________ and ________immunity.?
A) ?natural; passive acquired B) ?natural acquired; passive acquired C) ?passive acquired; artificial acquired
Dandruff is caused by excessive shedding of cells from the outer layer of skin on the scalp. So, dandruff is composed of cells from which epidermal layer?
A) stratum basale B) stratum granulosum C) stratum lucidum D) stratum corneum E) stratum spinosum
After taking their wedding vows, a bride and groom often ceremonially use which of the following muscles before walking away from the altar?
A. Platysma B. Quadriceps femoris C. Levator labii superioris D. Depressor anguli oris E. Orbicularis oris