Exam 2 Multiple choice Flashcards
To which shape category do the rib and frontal bone belong? Long, Short, Flat, Irregular
Flat
Which structure is the contractile unit of a muscle cell (the smallest thing that can contract)? Myofiber, Sarcomere, Myofibril, Actin
Sarcomere
What type of hair is found in the armpits? Vellus, Terminal, Vibrissae, Lanugo
Terminal
Which of these movements can be performed in the hip socket? Iversion, Rotation, Elevation, Opposition
Rotation
Which lever type could provide a high or low mechanical advantage? First Class, Second Class, Third Class, Fourth Class
First Class
Which of the following mysofilaments is the elastic one that provides recoil to return a sarcomere to its resting length? Actin, Dystrophin, Myosin, Tintin
Tintin
Which hormone decreases blood calcium by increasing osteoblast activity? Insulin, Calcitriol, Parathyroid hormone, Calcitonin
Calcitriol
Which muscle action provides the second greatest amount of force movement? Synrgist, Prime mover, Fixator, Antagonist
Synergist (muscles working together)
Which of these layers of the epidermis is composed of dead and dying keratinocyte cells? Stratum basale, Stratum lucidum, Stratum spinousum, Stratum granulosum
Stratum lucidum
Where will you find the primary ossification center during endochondral ossification of a long bone? In the epiphysis, In the metaphysis, In the diaphysis, In Narnia
In the diaphysis
What is the collagenous material secreted by osteoblasts called? Perforating fibers, Trabeculae, Osteoblast, Osteiod tissue
Osteoid tissue
Which cell type merges to form muscle fibers? Osteoblasts, Myoblast, Chondroblast, Fibroblast
Myoblasts
Which brown-black pigment can be found in the living epidermal cells? Hemoglobin, Myoglobin, Carotene, Melanin
Melanin
Why is the periosteum so important for bone growth? It contains Catilage, It secretes growth hormone, It secretes calcium, It possesses multiplying osteogenic cells
It possesses multipying osteogenic cells.
Which of the following is paler skin appearance due to reduced blood volume in the dermis? Cyanosis, Erythema, Pallor, Jaundice
Pallor
What part of the nail is the whitish crescent at the proximal end of the nail body? Nail fold, Nail matrix, Free edge, Lunule
Lunule
