In comparison to skeletal muscle, smooth muscle contains ______ myosin and actin myofilaments.

A. equal
B. fewer
C. more


Ans: B. fewer

Anatomy & Physiology

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In transamination, the amino group of an amino acid is

A) converted to ammonia. B) converted to urea. C) transferred to a keto acid. D) absorbed by water. E) transferred to acetyl-CoA.

Anatomy & Physiology

After childbirth, a woman begins experiencing tremendous pain in her groin, making it difficult for her to walk. An X-ray shows a fracture extending from her symphysis pubis to the inferior ramus of the pubis. As a result of the fracture, which group of muscles might be impaired?

A. Hip flexors B. Thigh abductors C. Hip extensors D. Lateral rotators E. Thigh adductors

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What are the two biggest risk factors associated with sudden infant death syndrome?

a. stomach sleeping and exposure to nicotine b. side sleeping and exposure to nicotine c. lack of sleep and exposure to carbon monoxide d. exposure to nicotine and alcohol e. exposure to alcohol and ammonia

Anatomy & Physiology

Mechanical deformation of the hairs of hair cells in the inner ear always results in depolarization of the hair cell synaptic terminal

Indicate whether the statement is true or false

Anatomy & Physiology