Podcast
Questions and Answers
Which function of the muscular system relies primarily on the coordinated action of both smooth and skeletal muscles?
Which function of the muscular system relies primarily on the coordinated action of both smooth and skeletal muscles?
- Maintaining posture during prolonged standing.
- Regulating the holding and releasing of urine. (correct)
- Facilitating the movement of food through the oesophagus.
- Pumping blood throughout the entire body.
Which of the following processes is NOT directly facilitated by the muscular system?
Which of the following processes is NOT directly facilitated by the muscular system?
- Maintenance of stable blood pressure.
- Nutrient absorption in the small intestine. (correct)
- Exhalation of air from the Lungs.
- Propulsion of food through the digestive tract.
If a patient has difficulty with voluntary movements, which type of muscle is most likely impaired?
If a patient has difficulty with voluntary movements, which type of muscle is most likely impaired?
- Visceral muscle.
- Skeletal muscle. (correct)
- Cardiac muscle.
- Smooth muscle.
Which type of muscle tissue is primarily responsible for peristalsis in the digestive system?
Which type of muscle tissue is primarily responsible for peristalsis in the digestive system?
How does the diaphragm's contraction contribute to respiration?
How does the diaphragm's contraction contribute to respiration?
Which of these muscle types are involuntary?
Which of these muscle types are involuntary?
In what way does the muscular system directly contribute to the circulatory system's function?
In what way does the muscular system directly contribute to the circulatory system's function?
A person is having difficulty maintaining balance and upright posture. Which specific function of the muscular system is most likely compromised?
A person is having difficulty maintaining balance and upright posture. Which specific function of the muscular system is most likely compromised?
If a patient is experiencing impaired digestion, which type of muscle tissue is most likely affected?
If a patient is experiencing impaired digestion, which type of muscle tissue is most likely affected?
What is the primary function of peristalsis, and which muscle type facilitates it?
What is the primary function of peristalsis, and which muscle type facilitates it?
Flashcards
Physiology
Physiology
The study of the functions of the human body and its mechanisms.
Mobility (Muscular System)
Mobility (Muscular System)
Muscles contribute to gross and fine movement.
Posture (Muscular System)
Posture (Muscular System)
Skeletal muscles help keep the body in the correct position when sitting or standing.
Circulation (Muscular System)
Circulation (Muscular System)
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Respiration (Muscular System)
Respiration (Muscular System)
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Digestion (Muscular System)
Digestion (Muscular System)
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Urination (Muscular System)
Urination (Muscular System)
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Skeletal Muscles
Skeletal Muscles
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Smooth Muscles
Smooth Muscles
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Cardiac Muscles
Cardiac Muscles
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Study Notes
- The notes cover general physiology for technologists, specifically HST109, second semester 2024/2025
- The notes will cover section 1
- Physiology of Muscle Tissues is the topic
- Will cover; definition of physiology, functions of the muscular system, and types of muscles
Physiology Definition
- Physiology is the study of the functions of the human body and its mechanisms
Functions of the Muscular System
- Mobility: Muscles contribute to gross and fine movement when they contract
- Posture: Skeletal muscles maintain the body's correct position when sitting or standing
- Circulation: The heart, a muscle, pumps blood throughout the body
- Circulation: Smooth muscle in arteries and veins also aids in blood circulation
- Respiration: Contraction of the diaphragm pushes downward, enlarging the chest cavity and allowing the lungs to fill with air
- Respiration: The diaphragm muscle's relaxation pushes air out of the lungs
- Digestion: Smooth muscles control digestion in the gastrointestinal tract.
- Digestion: Food moves through the digestive system via peristalsis, a wave-like motion
- Digestion: Muscles in the walls of hollow organs contract and relax to move food through the oesophagus into the stomach.
- Digestion: Digested food moves to the intestines via peristalsis, and the remaining waste is passed out of the body as stool through muscle contraction
- Urination: The urinary system relies on smooth and skeletal muscles
- Urination: Muscles and nerves work together to hold and release urine from the bladder
Types of Muscles
- Skeletal muscles are striated and voluntary
- Smooth muscles are non-striated, involuntary, and plain
- Cardiac muscles are striated and involuntary
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