Anatomy

The action potential is caused by permeability changes in the plasma membrane.

Started by storky111

A stimulus traveling toward a synapse appears to open calcium ion channels at the presynaptic end, ...

Started by kamilo84

A postsynaptic potential is a graded potential that is the result of a neurotransmitter released ...

Started by geodog55

Enkephalins and endorphins are peptides that act like morphine.

Started by ericka1

Neurons in the CNS are organized into functional groups.

Started by crazycityslicker

Cell bodies of sensory neurons may be located in ganglia lying outside the central nervous system.

Started by ap345

The all-or-none phenomenon as applied to nerve conduction states that the whole nerve cell must be ...

Started by vicky

A patient has a stroke and has weakness on his right side. How will the weakness affect his ability ...

Started by mwit1967

The nurse is explaining Kegel exercises to strengthen the pelvic floor muscles. What factors may ...

Started by sabina

A nurse can facilitate respiratory functioning by encouraging deep breathing exercises such as ...

Started by gbarreiro

Brian decided to enter a 5-mile race designed to raise money for a class trip. He did not do any ...

Started by Melani1276

Donna was rushing to class and slipped on a patch of ice and fell backward. An X-ray revealed a ...

Started by ETearle

What is the primary muscle used for normal breathing and which additional muscles are used to ...

Started by jace

How can a lever system work at a mechanical disadvantage but still be of use to us?

Started by bb

An elderly woman, with extensive osteoarthritis of her left hip joint, entered the hospital to have ...

Started by Chelseaamend

How does an antagonist differ from a prime mover (agonist)? How is it the same?

Started by wenmo

A woman mentions to her friend that another person on the beach has "great abs." What is she talking about?

Started by abarnes

What are the components of a lever system? Describe the role of each component.

Started by cnetterville

The ________ extends the great toe.

Started by darbym82

The quadriceps femoris is composed of three "vastus" muscles and the ________.

Started by jwb375

The ________ is the main chewing muscle.

Started by lak

The ________ helps keep food between the grinding surfaces of the teeth during chewing.

Started by tsand2

The ________ is known as the "boxer's muscle."

Started by RYAN BANYAN

Which of the following muscles does not act in plantar flexion?

Started by misspop

Which of the following muscles serves as a common intramuscular injection site, particularly in ...

Started by roselinechinyere27m