Muscle Physiology
What muscle type is the biceps brachi?
(Parallel, pennate, convergent, circular)
Parallel.
Which epithelial cell type is responsible for gaseous exchange in the alveoli?
Simple squamous
How many lumbar vertebrae are there?
Five.
What is the agonist for elbow flexion?
Brachioradialis.
What substance causes the exocytosis of acetylcholine vesicles?
Calcium
Which epidermal cell type is responsible for producing a substance that protects from UV damage?
Melanocytes
The zygomatic bone is found on what part of the face?
The cheeks.
What is the name of the circular muscle that surrounds the eye?
Obicularis oris
What happens after myosin binds to actin?
What is the most superficial layer of the epidermis?
Stratum corneum
Osteogenic cells differentiate into what?
Osteoblasts.
What body region is the hypothenar region found in?
Palmar region - palm of the hand.
Slow oxidative muscle fibre reaction types are recruited first/second/third of all muscle fibre reaction types.
First
Give an example of simple columnar epithelia in the body.
- Lower digestive tract
- Uterine tube
- Gall bladder
- Some kidney tubules
What do osteoclasts do?
Break down bone and deliver it to the blood for reuse in the body.
What is the function of the flexor digitorum superficialis?
Acetylcholine diffuses across synaptic cleft. When it comes in contact with ______ channels, sodium is shiften in the sarcolemma and potassium out.
Na/K channels
In skin repair, which of these comes first: phagocytosis or fibroblast proliferation?
Phagocytosis.
What is the endosteum?
The thin membrane lining the mudllary cavity of the bone.
(I would have put a picture, but this website will not allow me unless I have a membership and it's not worth it.)
What is the insertion of the pectoralis minor muscle?
Scapular process