Leukocytes account for about what percent of the volume of normal, healthy blood?
1%
15%
90%
40-45%
Please briefly summarize the pulmonary circuit.
Deoxygenated blood is carried from the heart to the lungs via pulmonary arteries, then the freshly oxygenated blood is returned to the heart via pulmonary veins.
Deoxygenated blood is carried from the heart to the lungs via pulmonary veins, then the freshly oxygenated blood is returned to the heart via pulmonary arteries.
Oxygenated blood is carried from the heart to the lungs via pulmonary arteries, then the freshly deoxygenated blood is returned to the heart via the pulmonary veins.
Oxygenated blood is carried from the heart to the lungs via the pulmonary veins, then the freshly deoxygenated blood is returned to the heart via pulmonary arteries.
Please briefly summarize the systemic circuit.
The heart pumps deoxygenated blood to the body via arteries, arterioles, and capillaries. The oxygenated blood then returns to the heart via venules and veins.
The heart pumps deoxygenated blood to the body via veins, venules, and capillaries. The oxygenated blood then returns to the heart via arterioles and arteries.
The heart pumps oxygenated blood to the body via arteries, arterioles, and capillaries. The deoxygenated blood then returns to the heart via venules and veins.
The heart pumps oxygenated blood to the body via veins, venules, and capillaries. The deoxygenated blood then returns to the heart via arterioles and arteries.
Is it good or bad that plasma leaks into the interstitial spaces?
It is bad because it can cause lymphadema.
It is bad because it only happens during disease states, but good because it helps the body fight the disease.
It is bad, but luckily only happens during disease states.
It is good because it provides the body with additional nutrients, but it can cause lymphadema if it is not drained.
The triceps brachii, occipitofrontalis, and soleus are all types of what?
blood vessels
bones
cardiac muscles
skeletal muscles
What is osseous tissue?
a type of soft, gelatinous connective tissue
another name for cartilage
bone tissue
the membrane in synovial joints
A biaxial joint is a type of what?
amphiarthrosis
cartilaginous joint
diarthrosis
fibrous joint
Which term denotes the muscular contractions and relaxations that propel food through the GI tract?
lysolysis
mastication
micturition
peristalsis
What is the difference between afferent and efferent nerves?
Afferent nerves are distinct to the autonomic nervous system.
Information travels towards the brain via afferent nerves, but away from the brain via efferent nerves.
Information travels towards the brain via efferent nerves, but away from the brain via afferent nerves.
The afferent fibers are the motor pathways, and the efferent fibers are the sensory pathways.
Which statement differentiates the somatic nervous system from the autonomic nervous system?
The somatic nervous system includes the sympathetic and parasympathetic nervous systems.
The somatic system is also known as the rest and digest system.
The somatic system is more concerned with sensing the external environment.
All of these statements accurately differentiate the somatic nervous system from the autonomic nervous system.
Which statement distinguishes gray matter from white matter?
Gray matter contains neurons with few or no myelinated axons.
Gray matter contains neurons with few or no synapses between them.
Gray matter has a much higher lipid content than white matter.
All of these statements are true.
The endocrine system...
...produces hormones that act as signals.
...produces lymphocytes that act as signals.
...secretes its products through ducts.
...seldom involves negative feedback loops.
A mesh ‘tube’ inserted into a natural passage/conduit in the body to prevent or counteract a disease-induced, localized flow constriction
Durham tube
PEG tube
stent
truss
