A claw-tooth hammer being used to pry up a nail is an example of which class of lever?

A. 1st class
B. 2nd class
C. 3rd class
D. not a lever


A. 1st class

Anatomy & Physiology

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Sensory information from skeletal muscles travels over ________ fibers

A) type A B) type B C) type C D) type D E) type E

Anatomy & Physiology

An atom of oxygen has an atomic number of 8 and a mass number of 18. How many of each type of subatomic particle does it contain?

What will be an ideal response?

Anatomy & Physiology

An intercalated disc can be described as ______.

a. the boundary between longitudinal and circular smooth muscle layers b. the area of the sarcolemma where the motor neuron is located c. prominent nuclei strands observed in skeletal muscle d. a dark line observed between adjacent cardiac muscle cells

Anatomy & Physiology

Along with insulin, amylin is a hormone that a diabetic pancreas fails to produce. It is comprised of a long chain of amino acids. It cannot cross the cell membrane, so it binds to a receptor on the cell surface to elicit an action. Which hormone class is amylin?

A. A protein hormone B. A peptide hormone C. A steroid hormone D. A prostaglandin

Anatomy & Physiology