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Physiology Week 1-6
Question | Answer |
---|---|
Transcription can best be described as the | Synthesis of mRNA |
In which stage of mitosis do chromosomes move to the opposite ends of the cells along the spindle fibers? | Metaphase |
The result of meiosis is | Four daughter cells that are haploid. |
Normal mitosis results in | Cells that are genetically identical to the parent cell. |
A molecule or other agent that alters enzyme function by changing its shape is called a(n) | Allosteric effector. |
Diffusion requires: | A concentration gradient |
Which is true about the sodium and potassium pump? | Three sodium ions are taken out of the cell. |
The hair papilla consists of _____ tissue. | Dermal. |
Which tissue is most likely to form a keloid scar as it heals? | Connective. |
Which tissue is most likely to form a keloid scar as it heals? | Epithelial. |
Which of the following vitamins is(are) absorbed through the skin? | Vitamin A, Vitamin D and Vitamin K. |
The external portion of the bone is known as | Cortical bone. |
Which of the following is a location in which you would find fibrous cartilage | Pubis symphysis, Interverbal discs. |
Describe the axial skeletal structure. | Provides framework for muscles that anchor and stabilize the appendicular bones. |
Which of the following provide flexibility and smooth surfaces for movement? | Cartilage. |
The fontanelles of an infant's skull consist of | Fibrous membrane |
Characteristics of diaphysis are | Hollow, composed of compact bone. |
When the knee is flexed, the patella can be easily distinguished. | False. |
Before childbirth, the symphysis pubis softens. | True. |
The cell organelles that synthesize organic matrix substances in bone formation are: | Endoplasmic reticulum and Golgi apparatus. |
Young children’s bones have a greater risk of fracturing because of incompletely ossified bone. | False. |
Bones grow in diameter by the combined action of which two of the three bone cell types? | Osteoblasts and osteoclasts. |
During childbirth, a baby passes through an imaginary plane called the: | Pelvic outlet. |
What is dependent on the proper amount of calcium ions in the blood? | Blood clotting, transmission of nerve impulses and contraction of cardiac muscle. |
As the activity of osteoblasts increases, the: | Level of calcium in the blood increases and level of calcium in the blood decreases. |
The shoulder joint is an example of a _____ joint. | Multiaxial, freely movable, and ball and socket. |
Which of the following is not among the structures that characterize synovial joints? | Tendons. |
The more muscle fibers contracting at the same time, the stronger the contraction of the entire muscle. The number of muscle fibers contracting depends on how many motor units are | Recruited. |
An example of a pivot joint is(are) the: | The head of the radius articulating with the ulna. |
The type of movement that occurs when the head is dropped to the shoulder, then to the chest, to the other shoulder, and toward the back is: | Circumduction. |
A condyloid joint is an example of a(n) _____ joint. | Biaxial. |
Non-inflammatory joint disorders. | Dislocation, osteoarthritis. |
Which lipid is part of vitamin D? | Steroids. |
In which skin layer does the process of keratinization occur? | Stratum granulosum. |
The cell organelles that synthesize organic matrix substances in bone formation are: | Endoplasmic reticulum and golgi apparatus. |
Which of the following is not a characteristic of the diaphysis? | Provides a bulbous shape for attachment of muscle, hollow, composed of compact bone. |
The shoulder joint is an example of a _____ joint. | Multiaxial, freely movable, ball and socket. |
Which type of joint joins the two pubic bones together? | Symphysis. |
Which of the following statements is incorrect about motor units? | The more muscle fibers stimulated by a motor neuron, the more precise the movements of that muscle can be. |
Attempting to pick up an object too heavy to lift would result in which type of muscle contraction? | Isometric. |
Which of the following is not a part of the neuromuscular junction? | T-tubules. |
All of the following are noninflammatory joint disorders except: | Juvenile rheumatoid arthritis. |