Anaphy Flashcards
(298 cards)
Which of the following is the synapse between a somatic motor neuron and a skeletal muscle fiber?
Neuromuscular Junction
What organelle digests worn-out organelles and extracellular materials?
Lysosome
The special properties of muscular tissue;
The ability to generate tension to do work
Contractility
Body fluid that is found between cells in tissue
Interstitial fluid
A cellular structure with specific function
Organelle
Type of muscle contraction where there is constant tension, but the muscle fiber length shortens
Concentric Contraction
Which of the following is not considered to be a flat bone
Vertebrates
Siin aging may be attributed to which of the following?
A. Loss of skin elasticity
B. Loss of fat in the dermis
C. Decrease in the number of collagen bundles
D. All of the above
E. A and C
D.
The substance that gives bone tissue its disctinct hardness
Hydroxyapatite
The following are true of parathyroid hormone, EXCEPT:
Produced in the thyroid gland
Not a function of the skeletal system
Production of Calcitonin
When someone tells you to lie on your stomach, this movement is called?
Pronation
Muscle Contraction occurs because cross-bridges attach to and “walk” along the thin filaments at both ends of a sarcomere, what happens to the sarcomere in this situation?
It expands
Muscle type that has a shape that is elongated with blunt ends
Skeletal muscle
Structural unit of compact bone
Osteon
Production of gamete occurs through
Mitosis
Which of the following is the skeletal muscle fiber’s contractile unit?
Myofibril
During childhood, long bones grow wider due to:
Osteoblast activity at bone surface
These cells participate in normalizing Ca levels in the body by releasing calcium stores in the skeletal system.
Osteoclast
Level of study under Human Structural Biology involving easily observable large structures is () Anatomy.
Gross
What step in protein synthesis means to copy into a complementary sequence of codons in a strand of RNA?
Transcription
Anatomy is the study of () and Physiology is the study of ()
Structure; Function
What is the thickest layer of the epidermis?
Stratum Spinosum
Which of the following muscles is named after its shape?
Procerus