Exam 3 Practice Test
during this process, influx of __ causes vesicles in the axon bulb to fuse with the cell membrane, relasing__
CA2+, neurotransmitter
Excretory organs include...
Lungs, liver, skin, and kidney
an increase in the amount of carbon dioxide in the bloodstream will cause...
a decrease in the pH of the blood cerebrospinal fluid
Hormone is responsible for sodium reabsorption by collecting ducts
aldosterone
This Hormone is responsible for increasing water retention when the body is deyhrydrated
antidiuretic hormone (ADH)
most of the carbon dioxide released by cells is transported in the venous supply in what form
as free carbon dioxide gas
The amount or volume of water primarily affects which vital sign
blood pressure
The appendix dangles off the __ and has no real function in humans
cecum
The most highly developed part of the brain; the corpus callosum interconnects its two sides; associated with language ad conscious though
cerebrum
what event associated with the transmission of an impulse across a synapse occurs last
chemically gated channels for sodium open
The watery mixture of partially digested fod produced in the stoach is called
chyme
Hormone that resoibsible for increasing the production of red blood cells
erthropoeitin
relies on peristalsis to move food to the stomach
esophagus
Is responsible higher order, reasoning, the inition of motor output, and speech formation
frontal lobe
Releases bile into the duodenum
gall bladder
Bile is produced by the __ and stored in the__
liver and gall bladder
Mechanical and chemical digestion begins here
mouth
These cells within the central nervous system provide protection and physical support to neurons but do not conduct nerve impulses
neuroglia cells
received and interprets visual impulses
occipital lobe
Explain why humans must constantly breathe in oxygen in order to stay alive
oxygen is the final electron acceptor in the process of cellular respiration, which results in the production of the ATPs required to energize cell function
The process by which food is propelled though the digestive tract by alternating contraction and relaxation of smooth muscle is called
peristalsis
the order of entries
pharynx, larynx, trachea, bronchiole, and alveoli
during inspiration, intercostal muscles function to...
pull the rib cage up and out, so that lungs volume increases
Term of the process of actively transporting a nutrient molecule(such as sugar) out of the proximal tubule for the purpose of re-uptake into the bloodstream
reabsorption
during a cough, what is responsible for constricting the size of the trachea
smooth muscle contractions in the trachea
excitatory neurotransmitters encourage the generation new electrical impulses by...
stimulating depolarization of postsynaptic neurons
Nutrient rich blood moves from the small intestine to the liver via
the hepatic portal system
Why should we breathe through our noses rather than mouth
through the nose the air is warmed, humidified, and filtered
What results from the metabolism of proteins
urea
What vitamin is activated into the functional form by the kidney
vitamin D
Fluid flow from the glomerulus through the nephron
-renal corpuscle -proximal tubule -loop of henle -distal tubule -collecting corpuscle
