BIOS255 COMPREHENSIVE EXAM REVIEW
negative feedback - Answers :The most common mechanism that everybody uses to
maintain homeostasis
negative feedback - Answers :The response of the effector is a reversal of the initial
stimulus
A self amplifying cycle that produces a RAPID change - Answers :Positive feedback
positive feedback - Answers :Takes the body further away from homeostasis and can
be harmful
nervous tissue - Answers :Specializes in the transmission of electrical impulses
connective tissue - Answers :Helps to transport of
various substances throughout the body
muscle tissue - Answers :Fibers allow for movement and maintaining posture
epithelial tissues - Answers :Cells are always associated with a basement membrane
Connective tissue - Answers :Functions in ENERGY STORAGE
Nervous tissue - Answers :Monitors the external environment
Epithelial tissue - Answers :Lines hollow organs, and structures
connective tissue - Answers :Associated with immunity
connective tissue - Answers :Dominated by collagen elastic and reticular fibers
Sarcomere - Answers :A segment of the myofibril from one Z disc to the next Z disc- is
known as
Sarcoplasm - Answers :The cytoplasm of a muscle fiber is known as the
Sarcolemma - Answers :The plasma membrane of a muscle fiber is known as
Calcium ions - Answers :The sarcoplasmic reticulum stores, tons of
Put the following events of a muscle contraction in the proper order - Answers :1. Action
potential is generated. At the motor end plate of the muscle.
2. Sarco plasmic reticulum releases calcium
3. Calcium binds to troponin
4. Myosin binds to Actin
, 5. Myosin pivots towards the middle of the sarcomere
The myosin head binds to an ATP molecule and the myosin splits ATP into ADP and Pi
- Answers :Which of the following will occur after the myosin head detaches from the
actin?
Myosin binding sites are exposed in the presence of - Answers :Calcium ions
Latent period of muscle - Answers :Delay between the onset of a stimulus and the onset
of another stimulus
muscle twitch - Answers :Quick cycle of contraction
Threshold of a muscle - Answers :minimum voltage necessary to generate an action
potential in the muscle fiber
osteocytes - Answers :mature bone cell
Osteoclasts - Answers :Reabsorbs bone, and secretes calcium into the bloodstream
Osteoprogenitor cells - Answers :Stem cells
Osteoblasts - Answers :Functions in formation of new bone tissue, and the healing of
fractured bones
Osteoclasts - Answers :Dissolve the bone matrix
Chondrocytes - Answers :During endochondral ossification, these are replaced by
osteoblasts
Put in order endochondral ossification - Answers :1. Matrix begins to calcify
2.Chondrocytes start dying
3.Blood vessels invade the perichondrium
4.Perichondral cells become osteoblasts
5.Osteoblasts replace cartilage with bone
merocrine glands - Answers :Widely distributed throughout the body
Sebaceous gland - Answers :NOT a sweat gland
apocrine glands - Answers :Sweat glands are only found in restricted areas
sebaceous glands - Answers :Secrete sebum
merocrine glands - Answers :Secretions help to cool the skin
negative feedback - Answers :The most common mechanism that everybody uses to
maintain homeostasis
negative feedback - Answers :The response of the effector is a reversal of the initial
stimulus
A self amplifying cycle that produces a RAPID change - Answers :Positive feedback
positive feedback - Answers :Takes the body further away from homeostasis and can
be harmful
nervous tissue - Answers :Specializes in the transmission of electrical impulses
connective tissue - Answers :Helps to transport of
various substances throughout the body
muscle tissue - Answers :Fibers allow for movement and maintaining posture
epithelial tissues - Answers :Cells are always associated with a basement membrane
Connective tissue - Answers :Functions in ENERGY STORAGE
Nervous tissue - Answers :Monitors the external environment
Epithelial tissue - Answers :Lines hollow organs, and structures
connective tissue - Answers :Associated with immunity
connective tissue - Answers :Dominated by collagen elastic and reticular fibers
Sarcomere - Answers :A segment of the myofibril from one Z disc to the next Z disc- is
known as
Sarcoplasm - Answers :The cytoplasm of a muscle fiber is known as the
Sarcolemma - Answers :The plasma membrane of a muscle fiber is known as
Calcium ions - Answers :The sarcoplasmic reticulum stores, tons of
Put the following events of a muscle contraction in the proper order - Answers :1. Action
potential is generated. At the motor end plate of the muscle.
2. Sarco plasmic reticulum releases calcium
3. Calcium binds to troponin
4. Myosin binds to Actin
, 5. Myosin pivots towards the middle of the sarcomere
The myosin head binds to an ATP molecule and the myosin splits ATP into ADP and Pi
- Answers :Which of the following will occur after the myosin head detaches from the
actin?
Myosin binding sites are exposed in the presence of - Answers :Calcium ions
Latent period of muscle - Answers :Delay between the onset of a stimulus and the onset
of another stimulus
muscle twitch - Answers :Quick cycle of contraction
Threshold of a muscle - Answers :minimum voltage necessary to generate an action
potential in the muscle fiber
osteocytes - Answers :mature bone cell
Osteoclasts - Answers :Reabsorbs bone, and secretes calcium into the bloodstream
Osteoprogenitor cells - Answers :Stem cells
Osteoblasts - Answers :Functions in formation of new bone tissue, and the healing of
fractured bones
Osteoclasts - Answers :Dissolve the bone matrix
Chondrocytes - Answers :During endochondral ossification, these are replaced by
osteoblasts
Put in order endochondral ossification - Answers :1. Matrix begins to calcify
2.Chondrocytes start dying
3.Blood vessels invade the perichondrium
4.Perichondral cells become osteoblasts
5.Osteoblasts replace cartilage with bone
merocrine glands - Answers :Widely distributed throughout the body
Sebaceous gland - Answers :NOT a sweat gland
apocrine glands - Answers :Sweat glands are only found in restricted areas
sebaceous glands - Answers :Secrete sebum
merocrine glands - Answers :Secretions help to cool the skin
