The microscopic modifications on the lumen surfaces of epithelial cells in the small intestine are known as ____.
a) villi
b) rugae
c) plica circularis
d) microvilli
Ans: d) microvilli
Anatomy & Physiology
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What energizes the myosin head?
a) the actin filaments b) calcium ions c) potassium ions d) ATP hydrolysis reaction e) ADP synthesis
Anatomy & Physiology
The ability of a male to ejaculate is due to the action of ________.
A) parasympathetic nerves B) the dartos muscle C) luteinizing hormone D) the bulbospongiosus muscles
Anatomy & Physiology
Sensory information from the skeletal muscles enters the central nervous system by visceral efferent neurons
Indicate whether the statement is true or false
Anatomy & Physiology
The most immediate threat to the life of a patient with severe burns is ________.
A. pain B. eschar C. fluid loss D. infection E. heat loss
Anatomy & Physiology