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Denesha Williams
Physiology Weeks 1-6
Question | Answer |
---|---|
Homeostasis is... | The relatively constant state maintained by the body. |
What are the basic components of a feedback control loop? | a. sensor mechanism b. integrating center c. effector d. feedback Answer: All of these are components of a feedback control loop |
The contraction of the uterus during the birth of a baby is an example of negative feedback. True or False | False. Contraction of the uterus during the birth of a baby is an example of POSITIVE feedback. |
Carbohydrate compounds contain which elements? | Carbon, Hydrogen and Oxygen |
Lipids are water-insoluble organic biomolecules. True or False | True. |
What determines how a protein will perform? | Shape. |
Diffusion refers to... | a natural phenomenon caused by the tendency of small particles to spread out evenly within any given space. |
In what part of the cell does Glycolysis occur? | cytoplasm. |
Transcription and Translation are the two processes of... | protein synthesis. |
Mitosis are divided into four phases. Those phases are... | prophase, metaphase, anaphase, telophase |
Vitamins A, D and K are absorbed through the skin. True or False | True |
What are the functions of epithelial tissue? | absorption, secretion, protection |
A tissue is... | a group of similar cells that perform a common function. |
The epidermis is referred to as the True Skin. True or False | False. The DERMIS is referred to as the True Skin. |
In order to make red blood cells, we need ______ bone marrow. | A. Yellow B. Red C. Orange D. White Correct Answer: B. Red |
What provides flexibility and smooth surfaces for movement? | cartilage |
An age-related skeletal disease that is characterized by loss of bone mineral density and increased bone fragility is... | Osteoporosis |
How many bones make up the appendicular skeleton? | 126 bones |
The cells that produce organic matrix in bone formation are the... | osteoblasts |
The cells responsible for active erosion of bone minerals are called... | osteoclasts |
Plantar flexion occurs when... | the foot is stretched down and back |
Gliding movements are the simplest of all movements. True or False | True |
Three general functions of muscle include... | Movement, heat production, posture |
The contractile unit of a muscle cell is the... | sarcomere |
Synovial joints are immovable. True or False. | False. Synovial joints are freely movable. |
suture is found only in the... | skull |
Extensibility is... | the muscle’s ability to stretch or extend and to return to its resting length |
What are the four proteins that make up myofilaments? | myosin, actin, tropomyosin, troponin |
Eccentric contractions are... | those in which the movement results in lengthening of the muscle being contracted. |
Muscle ________ involve local internal bleeding and inflammation. | contusions |