Human Biology Final Exam Pt. 2

Front 1

The mouth and nasal passages open up to a common area, the throat, which is also known as the:

Back 1

Pharynx

Front 2

A rise in blood levels of CO2 causes a rise in hydrogen ions in cerebrospinal fluid which in turn causes the ____ ____ to increase the respiratory rate

Back 2

Medulla Oblongata

Front 3

Micro organisms and mucus are pushed up and out of the respiratory tract by:

Back 3

Cilia

Front 4

____ Eventually causes death by asphyxiation because the muscles that facilitate breathing are paralyzed.

Back 4

Botulism

Front 5

Air is taken into the lungs when the ____ contracts.

Back 5

Diaphragm

Front 6

The brain activity that we know as conscience is located in the:

Back 6

Limbic System

Front 7

____ pick up signals from sensory neurons and eventually get a response back to motor neurons.

Back 7

Dendrites

Front 8

The axons of the central nervous system neuron cells are protected by myelin sheaths, composed of:

Back 8

Oligodendrocytes

Front 9

Pottassium ions moving through the membrane out of the neuron describes the process of:

Back 9

Repolirization

Front 10

Cerebral spinal fluid in secreted in the ventricles of the brain and must be continually absorbed in order to prevent the condition known as:

Back 10

Hydrocephalus

Front 11

The ____ causes the pupil to constrict or dilate.

Back 11

Iris

Front 12

Glaucoma can be caused by the buildup of:

Back 12

Aqueous Humor

Front 13

The term ____ describes a condition in which there are irregularities in the lenses of the eye, which can be corrected with special lenses

Back 13

Astigmatism