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46 Cards in this Set

  • Front
  • Back

____ is the chemical and mechanical breakdown of food into small molecules, while ____ is the uptake of these molecules.

digestion; absorption

_____ are targets of T cells

virus infected body cells

In human lungs, gas exchange occurs at _____

alveolar sacs

Monosaccharides and amino acids are both absorbed at _____

blood vessels

The largest number of bacteria thrive in the ____

large intestine

The cerebrum is part of the _____

Forebrain

Skeletal muscles are controlled by _____

somatic nerves

you find the axons of interneurons in the ____

brain & spinal cord

When nutrients are supplied to a cell, they are directly transported to the cell from ____

interstitial fluid

Which statement is true about the lymphovascular system?

(a&b) -lipids absorbed from the small intestine to the blood stream


-it recovers interstitial fluid at the venous end of capillaries and transports it back to the blood

At the arterial end of a capillary bed, a small amount of protein free plasma is pushed through clefts in the capillary wall this process is called _____

ultrafiltration

made by the pancreas; acts on fats

lipase

made by the pancreas; acts on starch

none

mady by the pancreas; acts on protein

trypsin

made by the liver helps emulsify fats

bile

The aorta leaves the _____

-left ventricle

Chyme is formed in the _____

-stomach

In a neuron _____ receives incoming information and convey them to the cell body

-dendrites

In the lungs gas exchange occurs between blood in the capillaries surrounding the alveoli and the air within the alveoli. the gases exchange by ____ along a gradient

- diffusion

which of the following is not true about veins

-They have an outer layer of elastic tissue

Plasma makes up about _____ amount of blood volume

-55%

______ carry impulses from muscles and other organs to the CNS

-sensory neurons

Which of the following enzymes is not secreted by the small intestine

-chymotrypsin

The optimal blood pressure is 120/80. The 120 indicates _________ and the 80 indicates _______.

-pressure during systole, pressure during diastole

Which type of white blood cells make antibodies

-B cells

Which of the following is true of the somatic nervous system?

-it controls skeletal muscles

In most capillaries, the adjoining cells have narrow clefts between them that allow ions and other small substance to enter and leave.

-brain

Starch digestion begins in the _____

-mouth

Most carbon dioxide in blood is transported _______

-as bicarbonate

All arteries carry oxygen rich blood, while all veins carry oxygen poor blood

-false

During inhalation air pressure inside the lungs ______

-decreases

______ is defined as a decrease in the response to an ongoing stimulus

-sensory adaptation

Red green color blindness in far more common on ______

-x chromosome

______ develops with age. Beginning at mid 40’s (eyesight)

-presbyopia

______ are the primary target for HIV infection.

-T cells

______ can detect very dim light and motion

-rod cells

Bile has roles in _____ digestion and absorption

-fat

______ secretes bicarbonate that buffer against HCI

-pancreas

Which of the following activities would be associated with the parasympathetic division of the nervous system

-resting and digestion

In _____ the cell converts one type of signal to an electrical signal

-sensory transduction

The small intestine has 3 regions. The first region is called the _____

-duodenum

In a neuron, the _____ carries information away from the cell body

-axon

The thalamus is part of the ______

-forebrain

Some bacteria are able to survive the extremely acidic pH of the stomach

-True

_____ is/are detected by chemoreceptors

-( a & c ) taste, smell

Three of the four answers are from the same body system select the exception

-hear