Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
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 |