1. The primary function of the blood is: (Points: 5)
to supply the lymphatic system.
2. Lymph returns to the circulatory system: (Points: 5)
because it is pumped by the heart.
by entering large veins near the heart.
by seeping into capillaries.
when it enters arteries.
3. Contraction of the diaphragm causes: (Points: 5)
a person to exhale.
the size of the chest cavity to increase.
air to flow from the lungs to the outside.
compression of the lungs.
4. The function of the large intestine is to: (Points: 5)
supply enzymes for digestion.
5. The primary function of the loop of Henle is: (Points: 5)
removal of glucose.
removal of water from the nephron.
secretion of hydrogen ions.
to produce liquid for the nephron.
6. An example of assimilation is the: (Points: 5)
synthesis of carbon.
synthesis of proteins.
hydrolysis of water.
hydrolysis of oxygen.
7. Carbohydrates, lipids, proteins, and vitamins are all examples of: (Points: 5)
sources of energy.
8. Which is true of Dietary Reference Intakes? (Points: 5)
They are the same as the old Recommended Dietary Allowances.
They must be followed to be healthy.
They apply to a person with medical problems.
They provide information on the amounts of certain nutrients various members of the public should receive.
9. __________ is an estimate of the amount of energy needed to maintain basic body functions while at rest. (Points: 5)
Basal energy needs
Basal metabolic rate
10. Early death associated with obesity has recently been termed: (Points: 5)
sudden infant death syndrome (SDS).
sedentary death syndrome (SDS).
nutritional deficiency disease (NDS).
11. Motor neurons: (Points: 5)
send messages to the brain.
are part of the sensory nervous system.
normally receive messages from sense organs.
are normally considered part of the peripheral nervous system.
12. Which of the following is a neurotransmitter? (Points: 5)
13. The brain directly regulates the: (Points: 5)
14. The taste known as sour is caused by: (Points: 5)
the presence of hydrogen ions.
any kind of ions.
15. Muscles are grouped in antagonistic sets because: (Points: 5)
muscles cannot lengthen by themselves.
muscles push but cannot pull.
they do not like one another.
there is an increase in metabolic efficiency if they are present in antagonistic sets.
16. Sperm cells are moved out of the testes in the: (Points: 5)
17. Which of the following most closely describes the cervix? (Points: 5)
A neck-like area of the ovary
A region between the uterus and vagina
A narrowed opening from the prostate gland
An opening from the vagina to the outside
18. In most women's menstrual cycles, ovulation occurs: (Points: 5)
at the onset of the flow.
halfway through the cycle.
just after sexual intercourse.
just following the last cycle.
19. The placenta: (Points: 5)
conducts the mother's blood directly to the embryo.
is responsible for providing the nutritional needs of the embryo.
nourishes the egg while it is yet in the ovary.
is discharged from the body and rebuilt approximately every twenty-eight days.
20. Identical twins: (Points: 5)
are the result of one fertilized egg dividing to become two individuals.
do not usually have the same DNA.
result from two eggs being fertilized by one sperm.
result from one egg being fertilized by two sperm.