The Human Body in Health and Illness Exam Questions With Correct Answers
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Human body in health and illness
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Human Body In Health And Illness
The Human Body in Health and Illness Exam
Questions With Correct Answers
What is the study of cellular structure and function? - answerCytology.
The ____ is the structural and functional unit of all living matter. - answerCell.
The cell is encased by a _______. - answerCell membrane.
Cell memb...
The Human Body in Health and Illness Exam
Questions With Correct Answers
What is the study of cellular structure and function? - answer✔Cytology.
The ____ is the structural and functional unit of all living matter. - answer✔Cell.
The cell is encased by a _______. - answer✔Cell membrane.
Cell membrane is also called a what? - answer✔Plasma membrane.
What does the cell membrane do? - answer✔Seperates intracellular material form extracellular
material.
What are the functions of the cell membrane? - answer✔To hold the cell together, and
determine what substances are allowed to enter or leave the cell.
The cell membrane is semipermeable -- true or false? - answer✔True.
What makes up the cell membrane? - answer✔Phospholipids and protein and a small amount of
carbohydrates.
What do the protein molecules in the cell membrane do? - answer✔Provide structural support
for the membrane, act as binding sites for hormones, and create pores through the lipid
membrane.
How can substances move across the semipermeable membrane? - answer✔Dissolve in the
lipid portion, or cross the membrane by flowing through the pores.
Inside the cell is divided into two compartments: 1,2. - answer✔The nucleus and the cytoplasm.
What is the nucleus? - answer✔The control center of the cell.
The nucleus is filled with a fliud substance called ______. - answer✔Nucleoplasm.
DNA containing structures are called what? - answer✔Chromosomes.
What is cytoplasm? - answer✔The gel-like substance found inside the cell, but outside the
nucleus.
What is the mitochondria? - answer✔Tiny, slipper-shaped organelles.
What organ contains a lot of mitochondria? - answer✔The liver.
What is the "power plant" of the cell? - answer✔Mitochondria.
What does the mitochondria produce? - answer✔ATP.
What are ribosomes? - answer✔Cytoplasmic organelles involved with protein synthesis.
Some ribosomes are attached to the ER and are called ______. - answer✔Fixed ribosomes.
Ribosomes that float freely within the cytoplasm are _______. - answer✔Free ribosomes.
What is the ER? - answer✔A network of membranes within the cytoplasm.
What are the two types of ER? - answer✔Smooth and rough.
What is the RER concerned with? - answer✔Protein synthesis.
What is the SER concerned with? - answer✔Synthesis of lipids, steriods, glycerides, and
glycogen.
What is the golgi apparatus? - answer✔A series of flattened membranous sacs.
What are lysosomes? - answer✔Membranous sacs containing powerful enzymes.
What do lysosomes do? - answer✔Break down intracellular waste and debris; "clean house"
Lysosomes participate in the destruction of ingested bacteria, a process called _________. -
answer✔Phagocytosis.
The cytoskeleton is composed of threadlike structures called _______ and _______. -
answer✔Microfilaments and microtubules.
What does the cytoskeleton do? - answer✔Help maintain shape of the cell and assists the cell in
various forms of cellular movement.
What is the primary component of the cytoskeleton? - answer✔Microtubules.
What are centrioles? - answer✔Paired, rod-shaped, and short microtubular structures that form
the spindle apparatus in a dividing cell.
What cells are not capable of cell division? - answer✔Neurons, mature RBCs, skeletal muscle
cells, and cardiac muscle cells.
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