BSC 3022 Exam with complete solutions
2024/2025
1. Which of the following is an example of DEVELOPMENT?
a) separation of preformed fingers into individual digits
b) initiation of the menstrual cycle
c) wrinkling of skin
d) progression of stage I cancer to stage IV cancer
e) transition from atherosclerosis to heart disease
f) all of these answers - ANSWER-a) separation of preformed fingers into
individual digits
2. Certain diseases often accompany aging, because _____
a) their likelihood increases as homeostasis declines
b) some diseases progress slowly, so that their effects are felt over time
c) exposure to disease-promoting factors is more likely the longer one lives
d) more than one of these answers
e) all of these answers - ANSWER-e) all of these answers
3. Biological aging may be BEST characterized as a decline, then loss of which of
the basic features of life?
a) ability to grow
b) responsiveness
c) maintenance of homeostasis
d) ability to reproduce
e) use of energy
f) the storage and use of genetic information
,g) evolutionary adaptation - ANSWER-c) maintenance of homeostasis
Several of these qualities decline due to aging; however homeostasis which
involves numerous body functions is the BEST answer to the question.
4. Which of the following types of aging is NOT influenced by the other types?
a) chronological
b) cosmetic
c) social
d) psychological
e) economic - ANSWER-a) chronological
5. Which of the following can shed insight into human aging?
a) studying animal models
b) studying cultured human cells
c) longitudinal studies
d) cross-sectional studies - ANSWER-e) all of these answers
6. The best term to classify arthritis, heart disease, and cancer is _____.
a) biological aging
b) cosmetic aging
c) normal aging
d) disease - ANSWER-d) disease
7. Which of the following body or health changes is an expectation of biological
aging?
a) formation of limbs, then individual digits in a developing embryo
b) increase in height during adolescence
c) decreased resistance to bacterial infection
d) heart disease
e) skin cancer
f) diabetes - ANSWER-c) decreased resistance to bacterial infection
, 8. The overall number as well as the proportion of elders has risen markedly in
the U.S. in recent years, in part due to a decline in the DEATH RATE of _____.
a) young children
b) young adults
c) middle-aged adults
d) elders
e) residents of 3rd-world countries - ANSWER-a) young children
9. Where do the trillions of human cells in a single individual come from?
a) they arise from a single cell through many rounds of cell division
b) they are contained within the foods we consume
c) humans do not have trillions but only millions of cells
d) unknown - ANSWER-a) they arise from a single cell through many rounds of
cell division
10. The ability of the heart to beat faster and pump more blood than it does at rest
is an example of _____.
a) homeostasis
b) compensatory mechanism
c) negative feedback system
d) reserve capacity - ANSWER-d) reserve capacity
3. The functional unit of a chromosome that encodes a particular protein. -
ANSWER-gene
2. Which of the following are involved in making ATP in humans?
energy nutrients
oxygen
enzymes
mitochondria
more than one, but not all of these are correct
all of these answers - ANSWER-all of these answers
2024/2025
1. Which of the following is an example of DEVELOPMENT?
a) separation of preformed fingers into individual digits
b) initiation of the menstrual cycle
c) wrinkling of skin
d) progression of stage I cancer to stage IV cancer
e) transition from atherosclerosis to heart disease
f) all of these answers - ANSWER-a) separation of preformed fingers into
individual digits
2. Certain diseases often accompany aging, because _____
a) their likelihood increases as homeostasis declines
b) some diseases progress slowly, so that their effects are felt over time
c) exposure to disease-promoting factors is more likely the longer one lives
d) more than one of these answers
e) all of these answers - ANSWER-e) all of these answers
3. Biological aging may be BEST characterized as a decline, then loss of which of
the basic features of life?
a) ability to grow
b) responsiveness
c) maintenance of homeostasis
d) ability to reproduce
e) use of energy
f) the storage and use of genetic information
,g) evolutionary adaptation - ANSWER-c) maintenance of homeostasis
Several of these qualities decline due to aging; however homeostasis which
involves numerous body functions is the BEST answer to the question.
4. Which of the following types of aging is NOT influenced by the other types?
a) chronological
b) cosmetic
c) social
d) psychological
e) economic - ANSWER-a) chronological
5. Which of the following can shed insight into human aging?
a) studying animal models
b) studying cultured human cells
c) longitudinal studies
d) cross-sectional studies - ANSWER-e) all of these answers
6. The best term to classify arthritis, heart disease, and cancer is _____.
a) biological aging
b) cosmetic aging
c) normal aging
d) disease - ANSWER-d) disease
7. Which of the following body or health changes is an expectation of biological
aging?
a) formation of limbs, then individual digits in a developing embryo
b) increase in height during adolescence
c) decreased resistance to bacterial infection
d) heart disease
e) skin cancer
f) diabetes - ANSWER-c) decreased resistance to bacterial infection
, 8. The overall number as well as the proportion of elders has risen markedly in
the U.S. in recent years, in part due to a decline in the DEATH RATE of _____.
a) young children
b) young adults
c) middle-aged adults
d) elders
e) residents of 3rd-world countries - ANSWER-a) young children
9. Where do the trillions of human cells in a single individual come from?
a) they arise from a single cell through many rounds of cell division
b) they are contained within the foods we consume
c) humans do not have trillions but only millions of cells
d) unknown - ANSWER-a) they arise from a single cell through many rounds of
cell division
10. The ability of the heart to beat faster and pump more blood than it does at rest
is an example of _____.
a) homeostasis
b) compensatory mechanism
c) negative feedback system
d) reserve capacity - ANSWER-d) reserve capacity
3. The functional unit of a chromosome that encodes a particular protein. -
ANSWER-gene
2. Which of the following are involved in making ATP in humans?
energy nutrients
oxygen
enzymes
mitochondria
more than one, but not all of these are correct
all of these answers - ANSWER-all of these answers
