MODULE 2 Flashcards
(46 cards)
What is the function of the plasma membrane?
a) Protects the nucleus
b) Separates the internal components of the cell from the surrounding environment and allows selective substances through
c) Synthesizes proteins
d) Produces energy
b
What fills the inside of the cell and serves as a medium for chemical reactions?
a) Nucleus
b) Cytoplasm
c) Golgi apparatus
d) Mitochondria
b
Which cell component acts as the control center by housing genetic material?
a) Cytoplasm
b) Nucleolus
c) Nucleus
d) Ribosomes
c
What is the function of the nuclear membrane?
a) To synthesize RNA
b) To protect the nucleus and allow selective materials in
c) To produce energy for the cell
d) To digest waste materials
b
Where are ribosomes primarily found and what is their function?
a) In the cytoplasm and nucleolus; they perform protein synthesis
b) In the Golgi apparatus; they package proteins
c) In the mitochondria; they produce ATP
d) On the plasma membrane; they control entry and exit
a
What does the mitochondria do?
a) Controls cell activity
b) Synthesizes proteins
c) Converts nutrients into energy by creating ATP
d) Packages and ships materials
c
What is the difference between the rough endoplasmic reticulum (RER) and the smooth endoplasmic reticulum (SER)?
a) RER synthesizes lipids; SER synthesizes proteins
b) RER supports protein synthesis and transport; SER supports lipid molecule synthesis
c) RER digests waste; SER stores nutrients
d) RER contains DNA; SER contains RNA
b
Which glands produce sweat to aid in cooling the body?
a) Sebaceous glands
b) Sudoriferous glands
c) Hair follicles
d) Lymph glands
b
How does the skin help regulate body temperature?
a) By producing vitamin D
b) By dilating or constricting blood vessels near the surface
c) By producing sebum
d) By generating hair
b
What essential vitamin is produced by the skin when exposed to sunlight?
a) Vitamin A
b) Vitamin C
c) Vitamin D
d) Vitamin E
c
What connects bone to bone and provides joint stability?
a) Ligaments
b) Tendons
c) Cartilage
d) Nerves
a
What attaches muscles to bones and helps with movement?
a) Ligaments
b) Cartilage
c) Tendons
d) Discs
c
What are the main functions of the skeletal system?
a) Pump blood and regulate breathing
b) Control movement and digestion
c) Provide structure, posture, organ protection, and serve as muscle attachment points
d) Filter toxins and fight infection
c
What is the name for the bone shaft in a long bone?
a) Epiphysis
b) Articular cartilage
c) Periosteum
d) Diaphysis
d
Which bones are examples of short bones?
a) Ribs, skull
b) Femur, tibia
c) Vertebrae, pelvis
d) Carpals, tarsals
d
What is the function of red bone marrow?
a) Store fat
b) Make joints flexible
c) Produce blood cells (hematopoiesis)
d) Store energy
c
What type of bones are vertebrae and pelvis classified as?
a) Flat bones
b) Irregular bones
c) Long bones
d) Sesamoid bones
b
Where are lymph nodes most concentrated?
a) Brain, heart, and lungs
b) Hands, feet, and spine
c) Neck, axilla, and groin
d) Chest, abdomen, and legs
c
What is the function of the lymph nodes?
a) Produce lymphocytes and filter lymph using macrophages
b) Produce red blood cells
c) Store calcium
d) Absorb nutrients from the intestines
a
What do macrophages in the spleen do?
a) Attack the thymus
b) Produce red blood cells
c) Filter the blood
d) Create antibodies
c
Which type of vessel carries blood away from the heart?
a) Veins
b) Arteries
c) Capillaries
d) Venules
b
What is the function of capillaries?
a) Carry blood away from the heart
b) Exchange oxygen and nutrients between blood and cells
c) Pump blood
d) Store blood
b
Which heart chamber receives deoxygenated blood from the body?
a) Left atrium
b) Right atrium
c) Left ventricle
d) Right ventricle
b
Which part of the heart receives oxygenated blood from the lungs?
a) Right atrium
b) Right ventricle
c) Left ventricle
d) Left atrium
d
