AnswersBiology - SC3209 ICLab: Blood Typing

Lab: Blood Typing — Unit test Answers

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Which of the following statements best describes the role of hormones in the body?

A
Hormones send chemical signals throughout the body to regulate other body processes.
B
Hormones are chemical signals that are sent throughout the body to regulate other body processes.
C
Hormones send electrical signals throughout the body to regulate other body processes.
D
Hormones are electrical signals that are sent throughout the body to regulate other body processes.
2
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Jesse is studying a blood sample that has only antigen B on the red blood cells and antibody A and antibody Rh in the plasma. What is the type of the blood sample?

A
A+
B
A–
C
B+
D
B–
3

A team of scientists is working to formulate a drug that can treat children who are diagnosed with gigantism. Which effect should the drug have on patients?

A
starts the secretion of substances from the adrenal gland that decrease growth
B
increases the secretion of substances from the reproductive glands that stop growth
C
stops the secretion of substances from the thyroid gland that cause growth
D
decreases the secretion of substances from the pituitary gland that cause growth
4

Which best compares and contrasts red blood cells and white blood cells?

A
Both are produced in the red bone marrow. Red blood cells transport oxygen, and white blood cells protect the body against disease.
B
Both are produced in the red bone marrow. Red blood cells carry all blood components, and white blood cells help the body heal cuts.
C
Both are made of hemoglobin. Red blood cells transport oxygen, and white blood cells protect the body against disease.
D
Both are made of hemoglobin. Red blood cells carry all blood components, and white blood cells help the body heal cuts.
5

A student makes the analogy that the cardiovascular system is like a highway. Why is this a good analogy?

A
Blood is made of many different kinds of cells.
B
The heart pumps blood through the veins.
C
The heart is centralized in the body.
D
Blood transports materials to and from different parts of the body.
6

What will happen if Richard’s friend jumps in front of him and scares him?

A
Richard’s central nervous system will take over, and his peripheral nervous system will have a lesser role.
B
Richard’s peripheral nervous system will take over, and his central nervous system will have a lesser role.
C
Richard’s sympathetic nervous system will take over, and his parasympathetic nervous system will have a lesser role.
D
Richard’s parasympathetic nervous system will take over, and his sympathetic nervous system will have a lesser role.
7

Which best describes the peripheral nervous system?

A
It is made up of the brain and spinal cord.
B
It transmits information that is received from stimuli.
C
It is part of the autonomic nervous system.
D
It processes information that is received from stimuli.
8

A teacher makes the analogy that stem cell research did for medicine what the Internet did for communication. What is meant by this analogy?

A
Stem cells allow for communication between cells.
B
Stem cell research led to a huge leap in medical science.
C
Stem cell research led to a setback in medical science.
D
Stem cell information is stored in databases online.
9

Jonas states four interesting facts about bones. Which of Jonas’s statements is incorrect?

A
Some bones have holes through them.
B
Bones are made mostly of sugars.
C
Bones are made of layers.
D
Bones can have different shapes.
10

A patient with osteoporosis (reduced bone mass) may have a history of health issues. One issue could be

A
not enough skin exposure to the sun to make Vitamin D.
B
weak ligaments.
C
an increase in the absorption of calcium in the digestive system.
D
weak tendons.
11

Fred is studying his notes from anatomy class. One list in his notes describes features of a CNS structure. anterior horns and posterior hornsgray matter inside, white matter outsidehippocampuscentral canalFred thinks this list contains an error. Which best describes the error?

A
Most items are features in the brain, but the gray and white matter locations correspond to the spinal cord.
B
Most items are features in the brain, but the horns are in the spinal cord.
C
Most items are features in the spinal cord, but the central canal is in the brain.
D
Most items are features in the spinal cord, but the hippocampus is in the brain.
12

The tibia, or shin bone, has a large bump on the top that allows for ligaments to connect to the knee. What is this projection called?

A
foramen
B
fossa
C
tubercle
D
irregularity
13

A sample of tissue has been observed to be tightly packed and regenerative. What type of tissue is the sample?

A
epithelial
B
connective
C
nervous
D
muscle
14

What would happen to an area of the body where motor neurons are injured due to an accident?

A
increased release of neurotransmitters
B
loss of muscle movement
C
increased stimuli
D
decrease in inflammation
15

Which of the following actions involves voluntary muscle movement?

A
movement of food through the digestive tract
B
movement of blood through the blood vessels
C
beating of the heart
D
making of faces
16

Charles is an engineer who is evaluating a prototype of an artificial heart. The prototype beats in a synchronized fashion, is hollow, and has tubes attached to it. It can be powered by electrical signals from the brain when it is interfaced with the appropriate nerves. What important feature should Charles notice the prototype is missing?

A
blood vessels to transport blood
B
a structure that would divide the hollow heart into chambers to separate oxygenated blood from deoxygenated blood
C
a blood filtering mechanism to separate oxygenated blood from deoxygenated blood
D
a structure to pump blood through the valves
17

Meningitis is a disease that is characterized by swelling of the meninges that puts pressure on the brain. Which is least likely to be a symptom of this disease?

A
severe headache
B
swollen ankles
C
sensitivity to light
D
confusion
18

What initially causes a nerve impulse?

A
release of enzymes out of the neuron
B
movement of chemicals into the dendrites of the neuron
C
pathogens attacking the dendrites of the neuron
D
red blood cells bathing the neuron
19

Which autonomic system is most likely to be dominant while someone is napping after a big meal?

A
peripheral nervous system
B
sympathetic nervous system
C
somatic nervous system
D
parasympathetic nervous system
20

The iris in the human eye contracts and expands, controlling the amount of light that reaches the retina. What types of muscle control this?

A
skeletal and voluntary
B
smooth and cardiac
C
skeletal and smooth
D
smooth and involuntary

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