WorksheetsAnatomy and Physiology - Body Systems Overview
Total questions: 36
Worksheet time: 18mins
Which system protects the body from the external environment?
Skeletal System
Muscular System
Integumentary System
Nervous System
Which of the following is NOT a function of the integumentary system?
Forms the external body covering
Protects deeper tissues from injury
Provides a framework for muscles
Involved in vitamin D synthesis
Which system provides movement for the body?
Integumentary System
Skeletal System
Muscular System
Nervous System
The skeletal system is involved in the synthesis of blood cells (hemopoiesis).
True
False
The Endocrine System regulates growth, reproduction, and nutrient use.
True
False
Blood provides the transport medium for which of the following?
Nutrients
Gases
Wastes
All of the above
Homeostasis is a condition in which the body's internal environment remains within certain physiological limits.
True
False
Which of the following is NOT a type of extracellular fluid (ECF)?
Interstitial fluid
Plasma
Lymph
Intracellular fluid
Stress is an internal or external stimulus that breaks down the balance of the internal environment.
True
False
Which of the following is an example of an external stimulus?
Low blood glucose
Increase acidity of the ECF
Heat
All of the above
Which component of a feedback system determines the point at which a controlled condition should be maintained?
Control center
Effector
Sensor
Feedback
Which component of a feedback system detects changes in the control condition and sends the information (AFFERENT) to the control center?
Receptor
Effector
Control Center
Stimulus
Which component of a feedback system receives information from the control center and produces a response?
Effector
Sensor
Controller
Feedback
In a negative feedback system, the response reverses the original stimulus.
True
False
In a positive feedback system, the response enhances the original stimulus.
True
False
Match the following terms with their definitions:
Signs
Objective changes that can be measured, such as fever or a rash
Symptoms
Subjective changes in body functions that are not apparent to an observer
Diagnosis
The process of distinguishing one disease from another
What is included in the chemical level of organization in the body?
Atoms such as C (carbon), O (oxygen), H (hydrogen), Ca (calcium), and N (nitrogen) that are essential for life
Organs such as the heart and lung
Systems such as the cardiovascular system
Organisms such as humans
Which level of organization is described as the smallest functional unit of an organism, consisting of structures known as organelles?
Chemical level
Cellular level
Tissue level
Organ level
Which type of tissue supports the body?
Epithelial
Connective
Muscular
Nervous
Which type of tissue allows for movement?
Epithelial
Connective
Muscular
Nervous
Which type of tissue is responsible for the electrical wiring of the body, receiving and conveying messages?
Epithelial
Connective
Muscular
Nervous
At which level are different tissues organized into organs that perform specific functions, such as the heart or lung?
Chemical level
Cellular level
Organ level
System level
All the different systems cooperate to maintain the organism in good health at which level of organization?
Chemical level
Cellular level
Organism level
Tissue level
True or False: The number of protons in an element is always equal to the number of electrons in a neutral atom.
True
False
Which of the following is an example of a radioisotope?
14C
16O
12C
1H
Which clinical application uses radioisotopes to study the structure and function of tissues in the body?
MRI
PET scan
X-ray
Ultrasound
Cations are:
Positively charged
Negatively charged
Neutral
None of the above
Anions are:
Positively charged
Negatively charged
Neutral
None of the above
Which of the following is a compound?
O2
CO2
Both O2 and CO2
Neither O2 nor CO2
What is an ionic bond?
When two atoms share electrons equally
When two atoms lose or gain electrons and attract each other, forming a bond without sharing electrons
When two atoms form a bond by sharing electrons unequally
When two atoms do not interact at all
What happens when a chlorine atom receives or accepts an additional electron?
It becomes positively charged
It becomes neutral
It becomes negatively charged (Cl⁻)
It forms a covalent bond
What is a hydrogen bond?
A bond where electrons are shared equally
A bond where a hydrogen atom with a partial positive charge associates with another atom (usually oxygen or nitrogen) with a partial negative charge, without sharing electrons
A bond where electrons are transferred
A bond found only in metals
Van der Waals forces are found in which of the following?
Ionic compounds
Non-polar molecules such as hydrogen gas (H₂), carbon dioxide (CO₂), nitrogen (N₂), and noble gases (He, Ne, Ar, Kr)
Metals
Acids
What is the basis of a chemical reaction?
Atoms giving up, accepting, or sharing electrons with other atoms to achieve stability
Atoms remaining inert
Atoms losing protons
Atoms splitting into smaller atoms
Chemical reactions are dependent on which of the following factors?
Concentration of the particles
Speed of the particles
Activation energy
Proper orientation of the colliding particles
What is potential energy?
The energy of motion
Inactive or stored energy, such as energy stored in a battery or behind a dam
Energy released during a chemical reaction
Energy that cannot be stored
