ANA Exam Two Review - Final
Beginning in anatomical position, what movements of the forearm are involved in bending your elbow and then turning your forearm so that your palm faces the floor?
Flexion and pronation
Which of the following bone markings provides access into or through a bone?
Foramen
Which of the following is NOT a function of the muscular system?
Immune system support
Which of these bones does not contain a paranasal sinus?
Parietal
Cyanosis is caused by
decreased oxygen content of blood.
A state of reduced work capacity is called __________.
fatigue
After __________ (bone-forming cells) become completely surrounded by bone matrix, they are called __________ (mature bone cells)
osteoblasts; osteocytes
Which of the following statements best describes the epimysium?
A layer of connective tissue that surrounds a muscle
As a person ages, the skin undergoes the following change(s):
All of the choices are correct.
Keratinization
All of the choices are correct.
Synovial membranes
All of the choices are correct.
Botulinus toxin causes paralysis by preventing the release of acetylcholine from synaptic vesicles. Which of the following events would still occur in a tissue treated with this toxin?
Calcium ion channels in the presynaptic membrane open allowing Ca++ to enter the neuron.
What are the three concentric regions of a hair, from the outside to the inside?
Cuticle, cortex, medulla
Lilly fell and broke a bone in her lower limb. The x-ray indicates that the lateral bone of Lilly's lower leg is fractured. Which statement best describes Lilly's injury?
Lilly has a fracture of the fibula.
__________ are cells within nervous tissue that are responsible for conducting action potentials.
Neurons
Chef Brandi suffered a burn on her arm when a kettle of spaghetti sauce exploded. The doctor, using a forceps, pulls on a hair within the area that is burned. The hair easily pulls out, without causing Brandi any pain. What degree of burn did the patient have?
Third-degree burn
Cleavage or tension lines
are produced when there are more collagen fibers running in one direction than another.
Callus formation occurs during __________.
bone repair
The subcutaneous tissue
can be used to estimate total body fat.
Squamous cell carcinoma arises from
cells superficial to the stratum basale.
Joints are classified structurally according to the __________that binds them, and functionally according to their __________.
connective tissue; degree of motion
Slow-twitch muscle fibers
contain more myoglobin than fast-twitch fibers.
Which body membrane protects the body from water loss and harm to internal organs?
cutaneous
During an action potential, the upward change in potential is called __________ and the return to resting membrane potential is called __________.
depolarization; repolarization
Support cells of the brain and spinal cord are called __________.
glia cells
In a resting cell, K+ ions have a higher concentration __________ the cell, which results in the net movement of K+ __________ of the cell.
inside; out
The nail grows from the
matrix
The __________ is the smooth ER of a muscle fiber and stores calcium ions.
sarcoplasmic reticulum
The type of glands that lubricate skin and hair and protect against some bacteria are
sebaceous glands.
The first seven ribs are called true ribs because
they attach directly to the sternum through costal cartilage.