Anatomy and Histology Quiz
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Which artery carries deoxygenated, arterial blood to the alveoli in the lungs?
A. Pulmonary artery
B. Coronary artery
C. Carotid artery
D. Femoral artery
Which type of muscle is striated and voluntary?
A. Skeletal muscle
B. Cardiac muscle
C. Involuntary muscle
D. Smooth muscle
How many skeletal muscles does the human body contain approximately?
A. 100
B. 400
C. 200
D. 300
What is the structural classification of neurons based on the number of processes?
A. Unipolar neurons, Bipolar neurons, Multipolar neurons
B. Excitatory synapse, Inhibitory synapse
C. Axodendritic synapse, Axosomatic synapse, Axoaxonic synapse
D. Unmyelinated nerve fiber, Myelinated nerve fiber
What is the shape of the lungs?
A. Oval
B. Square
C. Pyramid-shaped
D. Round
What is the structure that separates lobules in the lungs?
A. Alveoli
B. Bronchioles
C. Pleurae
D. Interlobular septum
What is the main function of neurons?
A. Conduct impulses toward the cell body
B. Conduct impulses away from the cell body
C. Support, nourish, and protect neurons
D. Transmit sensory stimuli and process information
Which filaments are involved in muscle contraction?
A. Actin and Myosin
B. Troponin and Tropomyosin
C. Myoglobin and Myofibrils
D. Sarcoplasm and Sarcolemma
What is the function of a nerve bundle?
A. Conduct impulses to the muscles, organs, and glands
B. Produce myelin sheath
C. Transmit sensory stimuli
D. Conduct impulses to the central nervous system
Which nerve fibers arise from the vagus nerve and thoracic ganglia for the lungs?
A. Sciatic nerve
B. Motor nerve fibers
C. Femoral nerve
D. Sensory nerve fibers
What is the role of the parasympathetic nervous system in the lungs?
A. Regulate heart rate
B. Cause bronchoconstriction
C. Control digestion
D. Stimulate bronchodilation
What is the role of Schwann cells in nerve fibers?
A. Conduct impulses toward the cell body
B. Produce myelin sheath
C. Transmit information away from the synapse
D. Conduct impulses away from the cell body
What is the purpose of the sarcolemma in muscle cells?
A. Cell division
B. Structural support
C. Energy production
D. Cell communication
What is the function of the sarcoplasmic reticulum in muscle fibers?
A. Calcium storage
B. Waste removal
C. Energy storage
D. Protein synthesis
What is stored in the sarcoplasmic reticulum?
A. Lipids
B. Carbohydrates
C. Calcium
D. Proteins
What separates the lobes in each lung?
A. Nerves
B. Arteries
C. Veins
D. Fissures
Where are the nuclei located in skeletal muscle fibers?
A. Randomly
B. Peripherally
C. At the end
D. In the center
What is the function of the pleural fluid in the lungs?
A. Create friction
B. Lubricate surfaces
C. Prevent gas exchange
D. Increase pressure
Where does the pulmonary vein drain oxygenated blood from in the lungs?
A. Pulmonary capillaries
B. Bronchi
C. Bronchioles
D. Alveoli
What is the function of the terminal cisternae in muscle fibers?
A. Energy production
B. Calcium storage
C. Waste removal
D. Protein synthesis
What is the classification of synapses based on action?
A. Unmyelinated nerve fiber, Myelinated nerve fiber
B. Excitatory synapse, Inhibitory synapse
C. Chemical synapse, Electrical synapse
D. Axodendritic synapse, Axosomatic synapse
What is the function of Nodes of Ranvier in myelinated nerve fibers?
A. Provide saltatory conduction of nerve impulse
B. Conduct impulses toward the cell body
C. Produce myelin sheath
D. Transmit information away from the synapse
What covers the entire muscle, bundles of muscle fibers, and individual muscle fibers?
A. Nervous tissue
B. Adipose tissue
C. Epithelial tissue
D. Connective tissue
What is the function of synaptic terminals?
A. Conduct impulses toward the cell body
B. Transmit information away from the synapse
C. Produce myelin sheath
D. Support, nourish, and protect neurons
What is the main function of the TRIAD tubular system in muscle contraction?
A. Interaction between actin and myosin filaments
B. Motor end plate
C. Nerve stimulus
D. Sarcolemma depolarized
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