Q: Which of the following equations correctly represents the total magnification of a microscope?

$$Total\ Magnification = Ocular\ Lens\ Magnification \times Objective\ Lens\ Magnification$$

Question 1

Which of the following best describes the relationship between the tissue level and the organ level in the hierarchy of human anatomy?

Accepted Answer

The organ level is made up of different types of tissues that work together to perform specific functions.

Question 2

A student is using a microscope and wants to switch from the low power (LP) objective lens to the high power (HP) objective lens. What is the correct procedure to avoid damaging the specimen or the microscope?

Accepted Answer

Switch to HP lens, use the fine focus knob only, and adjust the iris diaphragm for contrast.

Question 3

Which anatomical plane divides the body into left and right halves?

Accepted Answer

Sagittal plane

Question 4

During mitosis, which phase is characterized by the alignment of chromosomes along the center of the cell?

Accepted Answer

Metaphase

Question 5

A chemical spill occurs in the laboratory. According to safety rules, what is the FIRST action you should take?

Accepted Answer

Report the accident to the instructor.

Question 6

Which of the following is NOT a physical hazard commonly encountered in the anatomy laboratory?

Accepted Answer

Inhalation of hazardous vapors

Question 7

If a microscope slide is viewed under both low and high power, the letter 'e' appears larger under high power. What is the effect called?

Accepted Answer

Magnification

Question 8

Which of the following best describes the function of the iris diaphragm on a microscope?

Accepted Answer

It adjusts the amount of light passing through the specimen.

Question 9

A student is preparing to use a microscope. Which step should be performed FIRST according to the recommended procedure?

Accepted Answer

Plug the microscope into a working electrical socket.

Question 10

Which of the following equations correctly represents the total magnification of a microscope?

Accepted Answer

$$Total\ Magnification = Ocular\ Lens\ Magnification 	imes Objective\ Lens\ Magnification$$

Question 11

Which of the following tissues is responsible for lining body surfaces and forming glands?

Accepted Answer

Epithelial tissue

Question 12

A student accidentally breaks a glass beaker in the lab. What is the correct procedure for handling the broken glass?

Accepted Answer

Report the breakage to the instructor and use the designated container for broken glass.

Question 13

Which body cavity contains the heart and lungs?

Accepted Answer

Thoracic cavity

Question 14

Which phase of mitosis is characterized by the separation of sister chromatids toward opposite poles?

Accepted Answer

Anaphase

Question 15

A student is viewing a specimen under a microscope and wants to increase the contrast. Which adjustment should they make?

Accepted Answer

Adjust the iris diaphragm.

Question 16

Which of the following is a correct safety rule when working with chemicals in the laboratory?

Accepted Answer

Wear closed-toe shoes and safety goggles at all times.

Question 17

Which of the following best describes the function of connective tissue?

Accepted Answer

It supports, binds, and protects other tissues and organs.

Question 18

A student is using a scanning electron microscope (SEM) to observe a tissue sample. What is a key advantage of SEM compared to a light microscope?

Accepted Answer

SEM offers higher resolution and three-dimensional images of surface structures.

Question 19

Which organ system is primarily responsible for transporting nutrients, gases, and wastes throughout the body?

Accepted Answer

Cardiovascular system

Question 20

A student is preparing for a lab and wants to ensure they are following proper safety procedures. Which of the following is NOT recommended?

Accepted Answer

Wearing open-toed shoes and shorts in the laboratory.

P1 sep 17

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