Intrinsic factor aids the absorption of ________ across the intestinal lining.

A) vitamin C
B) vitamin B12
C) vitamin D
D) vitamin K
E) vitamin B5


B) vitamin B12

Anatomy & Physiology

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A compound action potential is recorded using electrodes on a nerve. How does a nerve differ from an axon? Amplitude and duration of a compound action potential vary according to the stimulus intensity applied to the nerve. Given that there is no such variation in the action potential of a single axon, how can you explain this?

What will be an ideal response?

Anatomy & Physiology

Blood vessels that supply the spinal cord run along the surface of the

A) pia mater. B) dura mater. C) epidural space. D) subdural space. E) arachnoid mater.

Anatomy & Physiology

The pharynx functions as a ________, whereas the larynx functions as a ________.

A. common passageway for air and food; passageway for air only B. passageway for air only; passageway for air and food C. passageway for food only, passageway for air and food D. common passage for air and food; passageway for food only

Anatomy & Physiology

The cells that perform immunological surveillance are the ________ cells

A) NK B) plasma C) B D) helper T E) suppressor T

Anatomy & Physiology