AnswersQ5 Biology 2014Lab: Blood Typing

Lab: Blood Typing — Unit test Answers

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1
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What structure(s) in the cardiovascular system connect arteries to veins?

A
valves
B
heart
C
capillaries
D
lymph
2
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Which best describes the top and bottom images of muscle contraction?

Question illustration
A
The top image is in step 2, and the bottom image is in step 1.
B
The top image is in step 1, and the bottom image is in step 3.
C
Both images are in step 1.
D
Both images are in step 3.
3

Which part of the neuron below is indicated by the arrow, and what is its function?

Question illustration
A
The myelin sheath releases neurotransmitters so that electrical impulses can be transferred.
B
The myelin sheath protects and transmits electrical impulses faster.
C
The node of Ranvier transmits electrical impulses faster.
D
The node of Ranvier transfers information across a gap.
4

Which description applies to hinge joints?

A
allows for a wide range of movement and rotation
B
allows back-and-forth and side-to-side movement but limited rotation
C
allows for side-to-side movement but limited rotation
D
allows for simple angular movement
5

Mariana’s teacher has asked her to determine the type of a sample of blood. After doing some tests, she has learned that the red blood cell of the sample has no antigens on it and that the plasma contains both A and B antibodies. What is the type of the blood sample?

A
A+
B
B–
C
AB+
D
O–
6

Which best describes sensory and motor neurons?

A
Sensory neurons process information from stimuli receivers; motor neurons process information from muscles or glands.
B
Motor neurons process information from stimuli receivers; sensory neurons process information from muscles or glands.
C
Motor neurons carry information from the sense organs to the central nervous system; sensory neurons carry processed information from the central nervous system back to muscles or glands.
D
Sensory neurons carry information from the sense organs to the central nervous system; motor neurons carry processed information from the central nervous system to muscles or glands.
7

Dopamine is a neurotransmitter that when released in the brain tends to make a person feel happy. Certain drugs stop the synapses from removing neurotransmitters. When these drugs cause an increase in the amount of neurotransmitters in the synapses, which response would be increased?

A
sleepiness
B
happiness
C
sadness
D
alertness
8

Carpal tunnel syndrome results from too much pressure being applied to the median sensory nerve (pictured below in yellow). Which is a possible symptom of this disorder?

Question illustration
A
difficulty making grasping movements with the hand
B
loss of blood circulation in the hand
C
increase in the temperature of the hand
D
loss of feeling in the hand
9

Yolanda pricked her finger on a sharp object. Which type of neuron allowed her body to cause the movement that removed her hand from the sharp object?

A
interneuron
B
relay
C
sensory
D
motor
10

Which lists the correct order of events in the healing of cuts?

A
red blood cells trapped in fibrin net, net formation by platelets, vessel constriction
B
vessel dilation, platelet plug formation, net formation by red blood cells
C
vessel constriction, platelet plug formation, net formation by fibrin threads
D
platelets trapped in fibrin net, net formation by white blood cells, vessel dilation
11

Why is blood clotting important?

A
It helps to heal cuts.
B
It helps the blood circulate.
C
It helps attack foreign materials.
D
It helps to pump blood.
12

Keisha cut her hand, which caused a lot of bleeding. Which mechanism did her body use to minimize the blood loss?

A
Blood thickened in the blood vessels near the cut.
B
Blood vessels near the cut dilated.
C
Blood stopped flowing in blood vessels near the cut.
D
Blood vessels near the cut constricted.
13

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
14

What is the function of the type of muscle that is pictured below?

Question illustration
A
support and movement of the skeleton
B
movement of food through the digestive system
C
contraction and relaxation of the heart
D
generation and conduction of electrical signals

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