AnswersFL-2000310-Biology 1 BUnit Test

Unit Test — Unit test Answers

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1
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Why is an angioplasty an incorrect treatment for an aneurysm?

A
Aneurysms cannot be treated.
B
An angioplasty may rupture the blood vessel wall.
C
An angioplasty can have dangerous drug reactions.
D
Aneurysms are treated only with pacemakers.
2
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What is the name of the process that develops reproductive cells in males?

A
oogenesis
B
spermatogenesis
C
fertilization
D
polarization
3

What structure(s) in the cardiovascular system connect arteries to veins?

A
valves
B
heart
C
capillaries
D
lymph
4

Alzheimer's disease has some lifestyle factors because

A
everyone can contract it in their lifetime.
B
it can be influenced by nutritional choices.
C
up until now there is no known cure for it.
D
it can be contracted through germs.
5

Many schools require applicants to take a test, such as the SAT or the ACT, as part of the admissions process. These tests determine students’ knowledge in the subject areas of reading, writing, math, and science. They consist of a variety of question types, including multiple choice, short answer, and essay. Which part of the central nervous system helps students remember the correct answers to the questions on these exams?

A
hypothalamus
B
hippocampus
C
cerebellum
D
brain stem
6

A commercial on television advertises a new medicine that claims to boost immunity. You want to verify that the claim is scientifically based. Which source is least likely to provide you with accurate information about this new medicine?

A
a magazine about entertainment and lifestyle trends
B
the studies that the television ad cites
C
a brochure from the doctor’s office
D
the website of the governmental agency that tests health products
7

The student body president is launching a campaign to fight the spread of flu in his school. Which of the following should he encourage students to do?

A
shower twice a day
B
drink plenty of fluids
C
eat healthy snacks
D
wash their hands regularly
8

Along with Louis Pasteur, what other scientist helped to disprove spontaneous generation?

A
Eli Germ
B
John Snow
C
Francesco Redi
D
Robert Koch
9

Two patients were admitted to the hospital. Patient one was diagnosed with salmonella poisoning, and patient two had West Nile. Which best describes their sicknesses?

A
Patient one has a communicable disease and patient two has a noncommunicable disease.
B
Patient one has a noncommunicable disease and patient two has a communicable disease.
C
Patient one contracted the sickness from contaminated materials and patient two contracted the sickness from an animal vector.
D
Patient one contracted the sickness from an animal vector and patient two contracted the sickness from contaminated materials.
10

When is the most likely time for a female to become pregnant during her menstrual cycle?

A
on the first day of her period
B
on the last day of her period
C
about a week after her period ends
D
about a week before her period begins
11

In 2011, the number of transplants in the United States was 26,745, and the number of donors was 14,146. What is most likely the reason that there were more transplants than donors?

A
The data that were used for comparison was not compatible.
B
The data were not recorded accurately.
C
There were retransplants done.
D
Each donor gave away more than one organ.
12

Which component of the cardiovascular system allows the body to function by supplying the cells with oxygen?

A
red blood cells
B
white blood cells
C
platelets
D
plasma
13

Which describes the function of the human sperm cell’s structure?

A
The nucleus contains all 46 chromosomes.
B
The tail allows it to travel to the egg.
C
The head contains a basic substance that counteracts acidic substances in the vagina.
D
The sperm’s structure allows it to live for two weeks in the vagina.
14

Consider the photograph. The taller man's condition is due to a malfunction in the pituitary gland, which secretes growth hormone. Damage to which part of the brain may be indicated by this condition?

Question illustration
A
cerebrum
B
cerebellum
C
hypothalamus
D
thalamus
15

Xenotransplantation is using nonhuman animal organs in transplantation. Many people are against this practice. What would be the best argument for why xenotransplantation should be accepted?

A
There are more people on transplantation lists than donor organs so xenotransplantation can save people’s lives
B
People on transplantation lists are not treated equally in that some are moved to the top of the list.
C
There are no antigens on the surface of nonhuman animals so there would be no rejection.
D
More organs can be extracted from nonhuman animals to accommodate more recipients.

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