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Felicita Cardenas

SCI 221-08 Human Physiology with lab

The membrane potential maintained by a nonconducting neuron’s plasma membrane is called The resting membrane potential (RMP).
A membrane that exhibits a membrane potential is said to be A) Membrane potential B) Polarized C) Potential Energy D) Resting membrane potential Answer: B) Polarized
When the magnitude of the local depolarization surpasses a limit is called The threshold Potential
What happens when two cells are joined end to end by gap junctions Electrical synapse
Which neurotransmitter is in a class of its own because it has a chemical structure unique among neurotransmitters. A) Amines B) Neuropeptide C) Acetylcholine (Ach) D) Amino acids Answer: C) Acetylcholine (Ach)
Networks of capillaries that project from the pia matter into the lateral ventricles and into the roofs of the third and fourth ventricles Choroid plexuses
Part of the brain is located between the cerebrum and the midbrain A) Pond B) Thalamus C) Corpus callosum D) Diencephalon Answer:D) Diencephalon.
What is form soon after each spinal nerve emerges from the spinal cavity., forming several branches Ramus
Found deep within the shoulder, it passes from the ventral rami of spinal nerve C5 thought T1, beneath the clavicle and towards the arm. Brachial plexus
Each skin surface area supplied by sensory fibers of a given spinal nerve is called_________ a name that means “skin section” dermatome
Axons that release Ach are called Cholinergic
Which receptor is concentrated in the hypothalamus and sense levels of osmotic pressure in body fluids. A) Osmoreceptors B) Nociceptors C) Thermoreceptor D) Mechanoreceptor Answer: A) Osmoreceptors
Sense organs that respond to gustatory stimuli or taste stimuli Taste buds
Name the hormone that maintains water balance in the body, preventing large losses of fluids through the excretion of diluted urine. Antidiuretic hormone (ADH)
Which causes increased reabsorption of sodium, which causes increased water retention. A) Renin B) Angiotensin II C) Aldosterone Answer: C) Aldosterone
This amount of air that cannot be forcibly expired is known as A) Expiratory reserve volume B) Tidal Volume C) Inspiratory reserve volume D) Residual volume Answer: D) Residual volume
__________ a collapsible, muscular, mucosa-lined tube that extends from the pharynx to the stomach Esophagus
What is the name of the thick, milky material that is from when stored food in the stomach is churned with gastric juices? Chyme
Multilayered sac that covers the heart Pericardium
An unpaired organ consisting of two pyramidal lobes with delicate and finely lobulated surface Thymus
Created by: Fcardenas
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