Question 1

The following guidelines will protect you from chemical hazards EXCEPT which statement?
A) Always use a spoon or spatula to take a dry chemical from a large storage container.
B) Most chemicals are safe to handle with bare hands.
C) Do not return unused portions of chemicals to their original containers.
D) When mixing solutions always add a chemical to water; never add water to the chemical.

Accepted Answer

The statement "Most chemicals are safe to handle with bare hands" is incorrect and does not provide protection from chemical hazards. It is important to always wear appropriate personal protective equipment when working with chemicals, such as gloves and a lab coat.

Question 2

Which of the following require wearing gloves to protect your skin?
A) microscope
B) water bath
C) chemicals
D) none of the above

Accepted Answer

Chemicals can be harmful to the skin and gloves provide a barrier of protection against direct contact with them. The use of gloves is not typically required for working with microscopes or water baths as they do not pose a direct risk to skin contact.

Question 3

________ is the study of cells.
A) Histology
B) Cytology
C) Physiology
D) Gross anatomy

Accepted Answer

Cytology specifically studies the structure and function of cells, while histology studies the tissues and their organization in organisms. Physiology studies the functions and processes of living organisms, and gross anatomy studies the structures visible to the naked eye.

Question 4

Cytology would be best defined as the study of ________.
A) tissue
B) cells
C) cell chemistry
D) the gross structures of the body

Accepted Answer

Cytology is the study of cells, including their structure, function, and physiology. It focuses on microscopic examination and analysis of cells in various tissues and organs. Thus, option B is the correct choice. The other options do not accurately describe cytology.

Question 5

Which of the following is the best definition of physiology?
A) the study of the structures of the human body
B) the study of organ systems and organs of the body
C) the study of how the body functions and of the work that cells must do to keep the body stable and operating efficiently
D) the study of the tissues and organs of the human body

Accepted Answer

Physiology is the study of how the body functions and the work that cells must do to maintain homeostasis and operate efficiently. It is focused on understanding the mechanisms and processes underlying bodily functions, rather than just the structures and components of the body.

Question 6

The main instrument that you will use to study anatomy is a ________.
A) water bath
B) scalpel
C) microscope
D) microcentrifuge

Accepted Answer

The answer of The main instrument that you will use...

Question 7

A cut that separates anterior and posterior structures is ________.
A) transverse
B) frontal
C) midsagittal
D) parasagittal

Accepted Answer

A cut that separates anterior and posterior structures is known as a frontal or coronal plane. A transverse plane separates superior and inferior structures, a midsagittal plane separates left and right halves equally, and a parasagittal plane separates left and right halves unequally.

Question 8

The maintenance of a relatively steady internal environment through physiology work is termed ________.
A) positive feedback
B) homeostasis
C) negative feedback
D) integration

Accepted Answer

Homeostasis refers to the process by which the body maintains a relatively stable internal environment, even in the face of external changes or stressors. This is accomplished through various physiological processes, such as negative feedback loops, which work to minimize deviations from a set point or ideal range for various physiological parameters. Positive feedback, in contrast, amplifies deviations from a set point, while integration refers to the coordination of various physiological processes to achieve a particular goal or outcome.

Question 9

All of the following are considered hazardous wastes EXCEPT ________.
A) urine
B) broken glass
C) a preserved specimen
D) a salt solution

Accepted Answer

A salt solution is not considered a hazardous waste because it does not pose a significant risk to human health or the environment.

Question 10

The following guidelines should be followed when working with body fluids EXCEPT which statement?
A) Clean up all body-fluid spills with soap and water.
B) Work only with your own body fluids.
C) Always wear gloves and safety glasses when working with body fluids.
D) Always assume that a body fluid can infect you with a disease.

Accepted Answer

Cleaning up body-fluid spills requires more than just soap and water due to the risk of infection. Typically, a disinfectant or a bleach solution is recommended to properly sanitize the area and prevent the spread of pathogens.

Question 11

The lungs lie in the ________ cavity.
A) dorsal
B) mediastinum
C) pleural
D) pericardial

Accepted Answer

The lungs are surrounded by a double-layered serous membrane called the pleura, which lines the thoracic cavity and covers the lungs. Therefore, the lungs lie in the pleural cavity. The dorsal cavity contains the cranial cavity and spinal cavity. The mediastinum houses the heart, great vessels, esophagus, and trachea. The pericardial cavity is a potential space between the parietal and visceral pericardium that surrounds the heart.

Question 12

Which of the following regions corresponds to the lower back?
A) cephalic
B) thoracic
C) lumbar
D) gluteus

Accepted Answer

The lumbar region corresponds to the lower back, while the cephalic region refers to the head, thoracic region to the chest and upper back, and gluteus region to the buttocks.

Question 13

Which of the following is a common piece of equipment used in dissecting preserved specimens?
A) microcentrifuge
B) microscope
C) water bath
D) scalpel

Accepted Answer

A scalpel is a common piece of equipment used in dissecting preserved specimens. Microcentrifuges are used to separate small volumes of liquids, microorganisms, or molecular components. Microscopes are used to observe and magnify specimens, but not typically used for dissection. Water baths are used to heat or cool samples for various applications, but not typically used in dissecting preserved specimens.

Question 14

The heart is found at what level of organization of the cardiovascular system?
A) chemical
B) tissue
C) organ
D) cellular

Accepted Answer

The heart is an organ of the cardiovascular system, which consists of multiple tissues and cell types working together. It is larger than a single tissue or cell, but not as abstract as a chemical level of organization.

Question 15

All of the following are proper guidelines for using a microscope EXCEPT which statement?
A) Use one hand to carry the microscope.
B) Use only special lens paper to clean the lenses of the microscope.
C) Unplug the microscope by pulling on the plug, not by tugging on the electrical cord.
D) Use only cleaning solution provided by your laboratory instructor to clean the microscope lenses.

Accepted Answer

To safely carry a microscope, you should use both hands—one to support the base and the other to hold the arm of the microscope. Using only one hand increases the risk of dropping and damaging the microscope.

Question 16

All of the following are necessary guidelines to ensure that the laboratory is a safe environment EXCEPT which statement?
A) Only students enrolled in the course are allowed in the laboratory.
B) No eating is allowed in laboratory; however, drinks are allowed.
C) Never perform an experiment without your instructor's permission.
D) Wear shoes at all times in the laboratory.

Accepted Answer

No eating or drinking is allowed in the laboratory to prevent contamination of chemicals or equipment. Therefore, drinks should not be allowed in the laboratory.

Question 17

All of the following are considered to be hazardous wastes EXCEPT ________.
A) blood
B) a salt solution
C) a preserved specimen
D) urine

Accepted Answer

A salt solution is not considered a hazardous waste because it does not pose a significant risk to human health or the environment. Blood, preserved specimens, and urine, on the other hand, can potentially contain infectious agents or other hazardous materials and are considered hazardous wastes.

Question 18

Which of the following is the best definition of physiology?
A) the study of the tissues and organs of the human body
B) the study of body structures
C) the study of how the body functions and of the work that cells must do to keep the body stable and operating efficiently
D) the study of human growth and development

Accepted Answer

Physiology is the study of the functions and processes of living organisms, specifically how the body works and the tasks that cells perform to keep the body stable and running efficiently. Option A is incorrect as it only focuses on tissues and organs, while option B is only concerned with body structures. Option D is not accurate as it refers to the field of developmental psychology rather than physiology.

Question 19

Histology would be best defined as a study of ________.
A) cell chemistry
B) cells
C) tissues
D) the gross structures of the body

Accepted Answer

Histology is the study of tissues, which are groups of cells that work together to perform a specific function. It involves analyzing the structure, organization, and function of different types of tissues using a microscope. While histology does involve the study of cells, it focuses on how cells are organized into tissues rather than on individual cell chemistry. Histology does not cover the gross structures of the body, which are studied in anatomy.

Question 20

Which of the following can be disposed of in the sink?
A) salt solution
B) preservative
C) blood
D) saliva

Accepted Answer

Salt solution can be safely disposed of in the sink because it is water-soluble and non-hazardous.

Quiz 3: Main Exercises

The following guidelines will protect you from chemical hazards EXCEPT which statement?

Which of the following require wearing gloves to protect your skin?

________ is the study of cells.

Cytology would be best defined as the study of ________.

Which of the following is the best definition of physiology?

The main instrument that you will use to study anatomy is a ________.

A cut that separates anterior and posterior structures is ________.

The maintenance of a relatively steady internal environment through physiology work is termed ________.

All of the following are considered hazardous wastes EXCEPT ________.

The following guidelines should be followed when working with body fluids EXCEPT which statement?

The lungs lie in the ________ cavity.

Which of the following regions corresponds to the lower back?

Which of the following is a common piece of equipment used in dissecting preserved specimens?

The heart is found at what level of organization of the cardiovascular system?

All of the following are proper guidelines for using a microscope EXCEPT which statement?

All of the following are necessary guidelines to ensure that the laboratory is a safe environment EXCEPT which statement?

All of the following are considered to be hazardous wastes EXCEPT ________.

Which of the following is the best definition of physiology?

Histology would be best defined as a study of ________.

Which of the following can be disposed of in the sink?