AnswersQ5 Biology 2014Lab: Blood Typing

Lab: Blood Typing — Unit test Answers

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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.
2
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Suppose that scientists discover how to grow neurons in the brain tissue of a lizard. What are scientists most likely to do with this discovery?

A
Scientists will work on discovering how neurons grow in other animals.
B
Scientists will discard these findings because lizards and humans belong to different biological classes.
C
Scientists will discard their previous work on neurons and focus on this new line of study.
D
Scientists will apply this discovery in their work to grow neurons in human brain injury cases.
3

Look at the two images of cells.Which of the following statements best describes what can be seen in the images?

Question illustration
A
Image A represents a peptide hormone that interacts with a receptor, and image B represents a steroid hormone that interacts with the cell’s DNA.
B
Image A represents a steroid hormone that interacts with the cell’s DNA, and image B represents a peptide hormone that interacts with a receptor.
C
Image A represents an endocrine hormone that interacts with a receptor, and image B represents an exocrine hormone that interacts with the cell’s DNA.
D
Image A represents an exocrine hormone that interacts with the cell’s DNA, and image B represents an endocrine hormone that interacts with a receptor.
4

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–
5

Gunther touched a hot object and received a minor burn. How did the skeletal system help prevent further damage?

A
The skeletal system helped him move his hand away from the hot object.
B
The skeletal system made red blood cells to heal the injury.
C
The skeletal system helped him sense that the object was hot.
D
The skeletal system protected the nervous system so pain sensations could not be felt when he touched the hot object.
6

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
7

Which is the largest gland in the body?

A
salivary gland
B
pancreas
C
lacrimal gland
D
liver
8

Stella is stressed about her upcoming midterm exams. Which glands are managing that stress during the tests?

A
reproductive and pancreas
B
thyroid and parathyroids
C
hypothalamus and pineal
D
pituitary and adrenals

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