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Physiology Wks 1-6

Flashcards for Physiology Weeks 1-6

The normal reading or range of normal is called the: Set Point
Positive feedback systems______ while negative feedback systems _____. Accelerate a change, oppose a change
Which of the following is a basic component of every feedback control loop? All of the above
Which of the following is NOT true of both triglycerides and phospholipids? They both contain a hydrophobic and hydrophilic end.
Which level of protein structure refers to the number, kind, and sequence of amino acids? Primary
Which lipid acts as a “tissue hormone”? Prostaglandin
All of the following substances are organic except: Electrolytes
A sequence of three bases forms a codon
The site of transcription is within the ___, whereas the site of translation is in the ___. Nucleus, cytoplasm
When the chromosomes align themselves across the equator of the spindle fibers, it is characteristic of which phase of mitosis? Metaphase
All of the following occur as a result of meiosis except: chromosome number remains at 46.
The pairing of bases of a strand of DNA is obligatory. If a strand of DNA were composed of the base sequence of ATCG, what would be the obligatory sequence of its opposing base pairs? TAGC
The correct order of the phases of mitosis is: prophase, metaphase, anaphase, telophase.
An individual’s entire set of DNA can be referred to as a: genome
Connective tissue forms from stem cell tissue called: mesenchyme.
Which type of connective tissue helps newborns maintain body temperature by producing heat? Brown fat
Which cells help destroy pathogens and damaged tissue in the brain? Microglia
Which cells electrically insulate axons to increase the speed of conduction? Oligodendrocytes and Schwann cells
The area referred to as true skin is the: dermis
What structure is formed by the union of the basal and reticular lamina? Basement membrane
The primary ossification center of a long bone is located: In the diaphysis
Small cells that synthesize and secrete a specialized organic matrix are Osteoblasts
Bones grow in diameter by the combined action of which two of the three bone cell types? Osteoblasts and osteoclasts
The humerus articulates proximally with the clavicle False
Blood calcium levels involve secretion of which two hormones? parathyroid and calcitonin
The cell organelles that synthesize organic matrix substances in bone formation are: endoplasmic reticulum and Golgi apparatus.
In intramembranous ossification, the process of appositional growth refers to the: addition of an outside layer of osseous tissue on flat bones.
If the cribriform plate is damaged, there is a chance of: infectious materials passing from the nose to the brain.
Stretching the foot down and back and pointing the toe is called: plantar flexion
Which of the following proteins found in myofilaments contains the cross-bridges? Myosin
In the structure called a triad, the T-tubule is sandwiched between: sacs of the sarcoplasmic reticulum
In terms of function, which is considered an immovable joint? Synarthrosis
Which of the following statements is incorrect about motor units? The more muscle fibers stimulated by a motor neuron, the more precise the movements of that muscle can be.
The ion necessary for cross-bridging is: calcium
A condyloid joint is an example of a(n) _____ joint. biaxial
Which joint allows for a unique movement called opposition? Saddle
The type of movement that occurs when the head is dropped to the shoulder, then to the chest, to the other shoulder, and toward the back is: Circumduction
Muscle contractions will continue as long as: the calcium ions are attached to the troponin.
Attempting to pick up an object too heavy to lift would result in which type of muscle contraction? Isometric
Attempting to pick up an object too heavy to lift would result in which type of muscle contraction? Isotonic
During which phase of the twitch contraction is there a triggering of the release of calcium ions into the sarcoplasm? Latent period
The normal reading or range of normal is called the: Set Point
Positive feedback systems______ while negative feedback systems _____. Accelerate a change, oppose a change
Which of the following is a basic component of every feedback control loop? All of the above
Which of the following is NOT true of both triglycerides and phospholipids? They both contain a hydrophobic and hydrophilic end.
Which level of protein structure refers to the number, kind, and sequence of amino acids? Primary
Which lipid acts as a “tissue hormone”? Prostaglandin
All of the following substances are organic except: Electrolytes
A sequence of three bases forms a codon
The site of transcription is within the ___, whereas the site of translation is in the ___. Nucleus, cytoplasm
When the chromosomes align themselves across the equator of the spindle fibers, it is characteristic of which phase of mitosis? Metaphase
All of the following occur as a result of meiosis except: chromosome number remains at 46.
The pairing of bases of a strand of DNA is obligatory. If a strand of DNA were composed of the base sequence of ATCG, what would be the obligatory sequence of its opposing base pairs? TAGC
The correct order of the phases of mitosis is: prophase, metaphase, anaphase, telophase.
An individual’s entire set of DNA can be referred to as a: genome
Connective tissue forms from stem cell tissue called: mesenchyme.
Which type of connective tissue helps newborns maintain body temperature by producing heat? Brown fat
Which cells help destroy pathogens and damaged tissue in the brain? Microglia
Which cells electrically insulate axons to increase the speed of conduction? Oligodendrocytes and Schwann cells
The area referred to as true skin is the: dermis
What structure is formed by the union of the basal and reticular lamina? Basement membrane
The primary ossification center of a long bone is located: In the diaphysis
Small cells that synthesize and secrete a specialized organic matrix are Osteoblasts
Bones grow in diameter by the combined action of which two of the three bone cell types? Osteoblasts and osteoclasts
The humerus articulates proximally with the clavicle False
Blood calcium levels involve secretion of which two hormones? parathyroid and calcitonin
The cell organelles that synthesize organic matrix substances in bone formation are: endoplasmic reticulum and Golgi apparatus.
In intramembranous ossification, the process of appositional growth refers to the: addition of an outside layer of osseous tissue on flat bones.
If the cribriform plate is damaged, there is a chance of: infectious materials passing from the nose to the brain.
Stretching the foot down and back and pointing the toe is called: plantar flexion
Which of the following proteins found in myofilaments contains the cross-bridges? Myosin
In the structure called a triad, the T-tubule is sandwiched between: sacs of the sarcoplasmic reticulum
In terms of function, which is considered an immovable joint? Synarthrosis
Which of the following statements is incorrect about motor units? The more muscle fibers stimulated by a motor neuron, the more precise the movements of that muscle can be.
The ion necessary for cross-bridging is: calcium
A condyloid joint is an example of a(n) _____ joint. biaxial
Which joint allows for a unique movement called opposition? Saddle
The type of movement that occurs when the head is dropped to the shoulder, then to the chest, to the other shoulder, and toward the back is: Circumduction
Muscle contractions will continue as long as: the calcium ions are attached to the troponin.
Attempting to pick up an object too heavy to lift would result in which type of muscle contraction? Isometric
Attempting to pick up an object too heavy to lift would result in which type of muscle contraction? Isotonic
During which phase of the twitch contraction is there a triggering of the release of calcium ions into the sarcoplasm? Latent period
Created by: PunkPrincessXD
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