Test Nr.2 - Respiratory and digestive systems, muscle physiology
Master Your Knowledge: Respiratory and Digestive Systems Quiz
Test your knowledge of the respiratory and digestive systems as well as muscle physiology with this engaging quiz! Designed for students, educators, and health enthusiasts, it features a variety of questions that will challenge your understanding of human anatomy and physiology.
Key Features:
- Multiple-choice questions
- Covers essential topics in respiratory and digestive systems
- Great for studying or self-assessment
During skeletal muscle contraction, as the muscle shortens, the thick and thin filaments ________.
Shorten
Slide past one another
Do not interact
Condense
Lengthen
Contraction of skeletal muscle fibers is stimulated by what type of neuron?
Autonomic neurons
Sympathetic neurons
Motor neurons
Parasympathetic neurons
Afferent neurons
What connects muscles to bone?
Ligaments
Tendons
Cartilage
Capillaries
T tubules
Which of the following specifically describes the movement of air into and out of the lungs?
Secondary ventilation
Pulmonary ventilation
Internal respiration
Respiration
Expiration
What structure bifurcates (divides) into the bronchi that enter the right and left lungs?
Trachea
Larynx
Glottis
Pharynx
Bronchioles
Which of the following statements about respiratory system anatomy is FALSE?
Each lung has three lobes
The nasal cavity and oral cavity are parts of the upper airways
Both air and food travel in the pharynx
The trachea remains open at all times
The trachea branches into two bronchi, one of which travels to each lung
What structure is the region of the lungs where the majority of gas exchange occurs?
Respiratory bronchiole
Alveolar duct
Alveolus
Terminal bronchiole
Bronchus
Which of the following is NOT a muscle involved in breathing?
The pleural muscle
The internal intercostal muscle
The external intercostal muscle
The diaphragm
The abdominal muscle
As the lungs expand, intra-alveolar pressure ________ and air moves ________ the lungs.
Increases : out of
Increases : into
Decreases : out of
Decreases : into
Does not change : neither into nor out of
What is a mixture of food particles with gastric juice called?
Bolus
Fundus
Chyme
Saliva
Gastric secretions
To increase the absorptive efficiency of the small intestine, the surface area of the mucosa is increased by the presence of folds in the wall called ________, and projections of the cell membrane called ________.
Microvilli : villi
Villi : microvilli
Lacteals : rugae
Rugae : lacteals
Microvilli : lacteals
Which of the following secretes lipase?
Salivary glands
Pancreas
Liver
Both salivary glands and pancreas
Pancreas and liver
In order to begin the process of fat digestion, the fat globules must be ________.
Emulsified by lipases
Emulsified by trypsin
Emulsified by bile salts
Coalesced by bile salts
Coalesced by lipase
Where does peristalsis occur?
Esophagus only
Stomach only
Small intestine only
Both stomach and small intestine
Esophagus, stomach, and small intestine
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