RATED VERSION FOR ALREADY A+ GRADED | 2025/2026
NEW!!{REVISED}.
What kind of immunity is produced by a vaccine?
A) Naturally acquired passive immunity
B) Artificially acquired passive immunity
C) Naturally acquired active immunity
D) Artificially acquired active immunity - ANSWER-D) Artificially
acquired active immunity
Vaccines provide an artificial source (as compared to a natural
source that comes from actually having a disease) of active
immunity that stimulates antibody and memory cell production
Which of the following are released by damaged cells in an effort
to draw white blood cells to the are of damage?
A) Phagocytes
B) Cytokines
C) Interferons
D) Leukocytes - ANSWER-B) Cytokines
Damaged tissue releases cytokines, which attract white blood
cells to the area of infection or injury.
,What is the physiological benefit of a mild to moderate fever?
A) Warns individual that body is under attack by a pathogen
B) Stimulates release of macrophages
C) Decreases metabolism
D) Enhances destruction of pathogens - ANSWER-D) Enhances
destruction of pathogens
The warm body temperature that occurs during a fever
accelerates the destruction of pathogens and increases the
activity of white blood cells.
_1_ ____ refer to the average number of children a woman will
have during her childbearing years, which occur between the
ages of _2_ and _3_. - ANSWER-1. fertility rates
2. 15
3. 44
Fertility rates are significant because they coincide with the _____
rate, which is the number of births needed to maintain the
population at its current number. - ANSWER-replacement
The replacement rate is _____ in less-developed countries, mainly
due to higher infant, child, and adult death rates. - ANSWER-
higher
,The current fertility rate is much ____ in less developed countries.
– ANSWER-higher
Fertility rates are higher in which of the following types of
countries?
A) Less developed
B) More developed
C) Countries in the equatorial geographic regions
D) Countries in temperate geographic regions - ANSWER-A) Less
developed
Fertility rates are higher in less-developed countries due to higher
infant and child mortality rates.
Which of the following are factors that may affect birth
rates? (Select all that apply.) A) Religion
B) Culture
C) Economy
D) Taxes
E) Government
F) Transportation
G) Literacy
H) Infant mortality rates
I) Abortions
, J) Accessibility of family planning - ANSWER-A) Religion
B) Culture
C) Economy
E) Government
G) Literacy
H) Infant mortality rates
I) Abortions
J) Accessibility of family planning
Taxes and transportation do not have a direct relationship to birth
rates.
The growth and decline of a population in a country is a result of
the difference between that population's ____ and ____ rates as
well as the number of people who immigrate to or emigrate from
that country. - ANSWER-birth, death
____ birth rate is defined by the number of births per 1,000 people
per year. -
ANSWER-crude
____ death rate is defined by the number of deaths per 1,000
people per year. - ANSWER-crude