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Human Anatomy and Physiology

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Omer Bechtelar

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Cards in this guide (15)
What are smooth muscle contractions

Smooth Muscle contractions are regulated by calcium ions. The smooth muscle differs from skeletal muscle in that its contracts from all sides.

What is the name of the thick band of neurons that connects the right and left cerebral hemispheres

The band is called Corpus Collasum.

A contraction in which there is no change in muscle length but there is a great increase in muscle tension is

isometric contractions

Similarities of motor and sensory neurons

Sensory neurones carry impulses to the CNS, motor neurones carry impulses to muscles.

Which system innervates skeletal muscles

somatic

Correct order of decreasing magma viscosity

Rhyolite, Andesitic, Basalt

How does herpes zoster differ from varicella zoster virus

The zoster virus is what causes herpes zoster or shingles.

Which lobe of the cerebrum controls eyesight

Vision reception is processed in the occipital lobe (at the back of the brain), with visuospatial processing occurring in the parietal lobe.

What are the cells involved in most nervous system tumors

the cells involved in most nervous system tumors are called

What is the system that promotes the flight or fight system

sympathetic nervous system

What is an abnormal accumulation of CSF in the ventricles of the brain

Hydrocephalus

What ion is rapidly moving into the cell during the depolarization period of an action potential

Sodium.

A positive ion (cation) that enters the cell (influx) rapidly when the membrane threshold is reached and the voltage gated sodium channels open.

This occurs during the rising phase of an action potential, i.e. membrane depolarization beyond the threshold for activation.

What is the structural model of the plasma membrane called-

structural model of plasma membrane is called the selectively permeable membrane

Structural model of the plasma membrane is called

Fluid Mosaic Model.

What carries sensory information to the spinal cord

Afferent nerves of the peripheral nervous system carry sensory information to the spinal cord.

Where is the growth plate of a long bone located

At the ends, adjacent to the articulating surfaces.

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