bio final pt 7
Card Set Information
bio final pt 7
bio final pt
bio finaly pt 7
Antigens in plasma membrane determine blood
red blood cells
red blood cells
white blood cells
contains plasma proteins
Red and white blood cells and platelets
Which of the following conditions can cause anemia?
Lack of iron, folic acid, or vitamin B in the diet, red blood cell destruction, lack of hemoglobin
If a person has type B blood it means there are:
anti-A antibodies in the plasma, and no Rh antigens on the red blood cells.
Tracing the path of food in the following list (a-f) which step is out of order first?
The appendix connects to the?
Which association is incorrect?
Esophagus- protein digestion
Which association is incorrect
gallbladder- produces digestive enzymes
Most of the products of digestion are
absorbed across the fingerlike villi of the small intestine.
Which of the following is not a function of the liver in adults
Makes red blood cells
The large intestine?
Removes nondigestible remains?
Serves as a passageway
Which of the following is a function of the spleen?
removes worn out red blood cells
Which of the following is a function of the thymus gland?
Site for maturation of T lymphocytes
Which one of these does not pertain to B cells?
have passed through the thymus
Which of these pertains to T cells?
Have a specific receptor, are of more than one type, are responsible for cell mediated immunity, and stimulate antibody production by B cells
Active immunity may be produced by?
Having a disease, receiving a vaccine
How is inhaled air modified before it reaches the lungs?
It must be humidified, it must be warmed, and it must be filtered
What is the name of the structure that prevents food from entering the trachea
Air enters the hung lungs because
atmospheric pressure is greater than the pressure inside the lungs
Internal respiration refers to the
exchange of gases between the blood and tissue fluid.
In humans, the respiratory center is
stimulated by carbon dioxide, is located in the medulla oblongata, and controls the rate of breathing.
Which of the following is a structural difference between the urinary systems of males and females?
Males have a longer urethra than females, in males the urethra passes through the prostate, and in males the urethra serves both the urinary and reproductive systems.
Which of these associations is mismatched?
hinge joint- hip
The bone cell responsible for breaking down bone tissue is the osteoclast while the bone cell that produces new bone tissue is the osteoblast
Bones synthesize vitamin D for the body.
Bones store miners and fat.
Most bones develop through endochondal ossification.
Transmission of the nerve signal across a synapse is accomplished by the
Release of a neurotransmitter by an axon.
does not control skeletal muscle
A spinal nerve takes nerve signals
to and away from the CNS
A sensory receptor is
the first portion of a reflex arc, initates nerve impulses, can be internal or external.
Receptors sensitive to changes in blood pressure are
Conscious interpretation of changes in the internal and external environment is called..
Pain perceived as coming from another location is known as
Which structure of the eye is incorrectly matched with its function?
Choroid-location of cones
Which of the following gives the correct path for light rays entering the human eye?
Cornea, pupil, lens, vitreous humor, retina
Adjustment of the lens to focus on objects close to the viewer is called
Growth hormone is produced by the
Anabolic steroid use can cause
liver damage, severe acne, balding, reduced testicular size
use of fat for energy and glycogen to be converted to glucose
Long term complications of diabetes include
blindness, kidney disease, circulatory disorders
Diabetes mellitus is associated with
too high a blood glucose levels
Raises blood glucose level
Conversion of glucose to glycogen
controls circadian rhythms
Causes uterine contractions
Which of the following indicates a heterozygous individual?
A straight hairline is recessive. If two parents with a widows peak have a child with a straight hairline then what is the chance that their next child will have a straight hairline?
hat is the chance that an Aa individual will be produced from an Aa x Aa cross?
The ABO blood system exhibits
codominance and multiple alleles
The double helix model of DNA resembles a twisted ladder in which the rungs of the ladder are:
complementary base pairs, and A paired with T and G paired with C
Which of these associations does not correctly compare DNA and RNA?
DNA is double stranded and RNA is a single strand helix
The process of converting the information contained in the nucleotide sequence of RNA into a sequence of amino acids is called
Whereas proto-oncogenes stimulate the cell cycle, tumor suppressor genese inhibit the cell cycle.
Which of these is not try of the gene p53?
Normally, p 53 restores the length of telomeres
A tumor with cells that spread to secondary locations is referred to as..
Examples of carcinogens: tobacco smoking, radiation, pollutants, and viruses Concerning the causes of cancer, which one is incorrect?
Heredity cannot be a cause of cancer