CSS - PMS - CCE - PCS - Everyday Science
Human Body System
The muscle primarily responsible for breathing at rest is the:
A. Diaphragm
B. Biceps
C. Deltoid
D. Trapezius
Correct Answer: A
The diaphragm is the main muscle of quiet inspiration.
CSS - PMS - CCE - PCS - Everyday Science
Human Body System
A freely movable joint is generally classified as a:
A. suture
B. fibrous joint
C. synovial joint
D. fixed joint
Correct Answer: C
Synovial joints permit substantial movement.
CSS - PMS - CCE - PCS - Everyday Science
Human Body System
The smallest bones in the human body are found in the:
A. wrist
B. ankle
C. nose
D. middle ear
Correct Answer: D
The auditory ossicles are the smallest bones.
CSS - PMS - CCE - PCS - Everyday Science
Human Body System
The longest bone in the human body is the:
A. Humerus
B. Fibula
C. Femur
D. Tibia
Correct Answer: C
The femur is the longest human bone.
CSS - PMS - CCE - PCS - Everyday Science
Human Body System
The adult human skeleton typically contains how many bones?
A. 216
B. 196
C. 206
D. 226
Correct Answer: C
The adult skeleton typically has 206 bones.
CSS - PMS - CCE - PCS - Everyday Science
Human Body System
The normal human chromosome number in a somatic cell is:
A. 44
B. 46
C. 48
D. 23
Correct Answer: B
Human somatic cells contain 46 chromosomes.
CSS - PMS - CCE - PCS - Everyday Science
Human Body System
Homeostasis refers to maintenance of:
A. fixed heart rate
B. permanent body size
C. constant external temperature
D. a relatively stable internal environment
Correct Answer: D
Homeostasis keeps internal conditions within physiological limits.
CSS - PMS - CCE - PCS - Everyday Science
Human Body System
Which tissue transmits electrical impulses rapidly?
A. Epithelial tissue
B. Nervous tissue
C. Cartilage
D. Adipose tissue
Correct Answer: B
Nervous tissue is specialized for rapid communication.
CSS - PMS - CCE - PCS - Everyday Science
Human Body System
Which tissue type is specialized for contraction?
A. Epithelial tissue
B. Muscle tissue
C. Nervous tissue
D. Connective tissue
Correct Answer: B
Muscle tissue contains contractile proteins.
CSS - PMS - CCE - PCS - Everyday Science
Human Body System
Which tissue type covers surfaces and lines body cavities?
A. Connective tissue
B. Nervous tissue
C. Muscle tissue
D. Epithelial tissue
Correct Answer: D
Epithelial tissue covers surfaces and lines cavities.
CSS - PMS - CCE - PCS - Everyday Science
Human Body System
A group of similar cells performing a common function forms a:
A. Organism
B. Organ
C. Organ system
D. Tissue
Correct Answer: D
A tissue is a group of similar cells working together.
CSS - PMS - CCE - PCS - Everyday Science
Human Body System
The basic structural and functional unit of the human body is the cell.
A. Cell
B. Organ
C. System
D. Tissue
Correct Answer: A
Cells are the basic living units of the body.
CSS - PMS - CCE - PCS - Everyday Science
Human Body System
Which bone is best identified by the following location/identity: protects spinal cord and supports trunk?
A. Scapula
B. Sternum
C. Vertebral column
D. Maxilla
Correct Answer: C
The bone matching 'protects spinal cord and supports trunk' is Vertebral column.
CSS - PMS - CCE - PCS - Everyday Science
Human Body System
Which location/identity is correctly associated with Vertebral column?
A. lateral forearm on the thumb side
B. kneecap
C. protects spinal cord and supports trunk
D. thigh
Correct Answer: C
Vertebral column is associated with protects spinal cord and supports trunk.
CSS - PMS - CCE - PCS - Everyday Science
Human Body System
Which bone is best identified by the following location/identity: mid-foot?
A. Ulna
B. Metatarsals
C. Patella
D. Carpals
Correct Answer: B
The bone matching 'mid-foot' is Metatarsals.
CSS - PMS - CCE - PCS - Everyday Science
Human Body System
Which location/identity is correctly associated with Metatarsals?
A. lateral forearm on the thumb side
B. breastbone
C. thigh
D. mid-foot
Correct Answer: D
Metatarsals is associated with mid-foot.
CSS - PMS - CCE - PCS - Everyday Science
Human Body System
Which bone is best identified by the following location/identity: palm?
A. Metacarpals
B. Sternum
C. Ulna
D. Tibia
Correct Answer: A
The bone matching 'palm' is Metacarpals.
CSS - PMS - CCE - PCS - Everyday Science
Human Body System
Which location/identity is correctly associated with Metacarpals?
A. palm
B. kneecap
C. shoulder blade
D. ankle
Correct Answer: A
Metacarpals is associated with palm.
CSS - PMS - CCE - PCS - Everyday Science
Human Body System
Which bone is best identified by the following location/identity: ankle?
A. Tarsals
B. Humerus
C. Metacarpals
D. Ulna
Correct Answer: A
The bone matching 'ankle' is Tarsals.
CSS - PMS - CCE - PCS - Everyday Science
Human Body System
Which location/identity is correctly associated with Tarsals?
A. palm
B. thigh
C. upper arm
D. ankle
Correct Answer: D
Tarsals is associated with ankle.