BIO 201 Exam 1 (Homework) UPDATED
ACTUAL Exam Questions and CORRECT
Answers
What is hematopoietic tissue?
In what type of bone is it found? What special physiological process takes place here? -
CORRECT ANSWER - Hematopoietic tissue is also known as red bone marrow.
It is found in spongy bone, and is where blood is made.
What is the name of the membrane that covers the external surface of bone?
What membrane covers the internal surface of bone? - CORRECT ANSWER - Periosteum
covers the external surface of bone
Endosteum covers the internal surface.
What is the name of the shaft of a long bone?
What is the name of the expanded head at each end of a long bone? - CORRECT
ANSWER - The shaft of a long bone is the diaphysis
the head is the epiphysis
Which of these is least like the others: Osteoblast, osteoclast, or osteocyte. Why? - CORRECT
ANSWER - Osteoblasts mature into osteocytes, which are the principal cells found in
bone.
Osteoclasts are a completely different type of cell that function in bone resorption.
, What is the mineral that comprises most of the inorganic matter in bone?
What elements is this mineral composed of? - CORRECT ANSWER - Hydroxyapatite is
the principal mineral in bone
It is composed of calcium and phosphate
What is the basic structural unit of compact bone?
What type of structure forms spongy bone? - CORRECT ANSWER - Compact bone is
made up of osteons.
Spongy bone is made up of trabeculae.
What are the two names for the formation of bone tissue? - CORRECT ANSWER -
Osteogenesis (formation of bone) & ossification (hardening of bone)
Most bones in the body are formed by what type of ossification?
Flat bones of the skull are formed by what other type of ossification? - CORRECT
ANSWER - endochondral ossification, in which bones ossify from cartilage.
by intramembranous ossification.
From what structure do bones grow in length?
When does this structure usually close? - CORRECT ANSWER - the epiphyseal plate.
This typically closes between the ages of 18 and 25
ACTUAL Exam Questions and CORRECT
Answers
What is hematopoietic tissue?
In what type of bone is it found? What special physiological process takes place here? -
CORRECT ANSWER - Hematopoietic tissue is also known as red bone marrow.
It is found in spongy bone, and is where blood is made.
What is the name of the membrane that covers the external surface of bone?
What membrane covers the internal surface of bone? - CORRECT ANSWER - Periosteum
covers the external surface of bone
Endosteum covers the internal surface.
What is the name of the shaft of a long bone?
What is the name of the expanded head at each end of a long bone? - CORRECT
ANSWER - The shaft of a long bone is the diaphysis
the head is the epiphysis
Which of these is least like the others: Osteoblast, osteoclast, or osteocyte. Why? - CORRECT
ANSWER - Osteoblasts mature into osteocytes, which are the principal cells found in
bone.
Osteoclasts are a completely different type of cell that function in bone resorption.
, What is the mineral that comprises most of the inorganic matter in bone?
What elements is this mineral composed of? - CORRECT ANSWER - Hydroxyapatite is
the principal mineral in bone
It is composed of calcium and phosphate
What is the basic structural unit of compact bone?
What type of structure forms spongy bone? - CORRECT ANSWER - Compact bone is
made up of osteons.
Spongy bone is made up of trabeculae.
What are the two names for the formation of bone tissue? - CORRECT ANSWER -
Osteogenesis (formation of bone) & ossification (hardening of bone)
Most bones in the body are formed by what type of ossification?
Flat bones of the skull are formed by what other type of ossification? - CORRECT
ANSWER - endochondral ossification, in which bones ossify from cartilage.
by intramembranous ossification.
From what structure do bones grow in length?
When does this structure usually close? - CORRECT ANSWER - the epiphyseal plate.
This typically closes between the ages of 18 and 25
