What are muscle tissues? How is the function of this tissue related to the typical characteristics of its cells?

What are muscle tissues? How is the function of this tissue related to the typical characteristics of its cells?
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Muscle tissues are tissues made of cells able to perform contractions and thus to generate movement. The function of the muscle tissue is to pull bones (skeletal striated muscle), to contract and move viscera and vessels (smooth muscle) and to make the heart to beat (cardiac striated muscle). The muscle cells have internal structures called sarcomeres where there are myosin and actin molecules disposed to create contraction and distension (movement). Cell Tissue - Image Diversity: muscle cell
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The four sketches (A, B, C and D) given below, represent four different types of animal tissues. Which one of these is correctly identified in the options given, along with its correct location and function? (A) (B) (C) (D) Tissue Location Function (a) (B) Glandular Intestine Secretion epithelium (b) (C) Collagen Cartilage Attach skeletal fibres muscles to bones(c) (D) Smooth Heart Heart muscle contraction tissue (d) (A) Columnar Nephron Secretion epithelium and absorption

Description : The four sketches (A, B, C and D) given below, represent four different types of animal tissues. Which one of these is correctly identified in the options given, along with its ... Smooth Heart Heart muscle contraction tissue (d) (A) Columnar Nephron Secretion epithelium and absorption

Last Answer : (a) (B) Glandular Intestine Secretion epithelium

What is the typical biological function of the connective tissues? How is this function associated to the main features of its cells?

Description : What is the typical biological function of the connective tissues? How is this function associated to the main features of its cells?

Last Answer : The typical function of the connective tissues is to fill empty spaces among other body tissues. This function is related to the great capability of the cells of the connective tissue to secrete ... features of the connective tissues, such as substance transportation, defense of the organism, etc.)

Of which cells is the nervous tissue constituted? How is the generic function of this tissue related to the characteristics of the main cell type that forms it?

Description : Of which cells is the nervous tissue constituted? How is the generic function of this tissue related to the characteristics of the main cell type that forms it?

Last Answer : The nervous tissue is formed of neurons and glial cells. The function of the nervous tissue is to receive and to transmit neural impulses (reception and transmission of information). This function ... their work (sometimes acting as insulators). Cell Tissue - Image Diversity: neuron glial cell

The following statement(s) is/are true concerning cellular defense mechanisms. a. Macrophages function solely as antigen processing cells in the initial reaction to exposure to an antigen b. Macrophages may become activated and secrete cytokines c. Macrophages serve as phagocytic cells in the tissues but not within the bloodstream d. Polymorphonucleocytes (PMNS) are normally present in only small numbers within the tissue and enter an area of infection through diapedesis

Description : The following statement(s) is/are true concerning cellular defense mechanisms. a. Macrophages function solely as antigen processing cells in the initial reaction to exposure to an antigen b. Macrophages ... in only small numbers within the tissue and enter an area of infection through diapedesis

Last Answer : Answer: b, d A wide variety of cell types serve to provide host defense at several levels. Macrophages act as the initial antigen processing cell that serves to ... through diapedesis after chemotactic stimuli are excluded by macrophages, bacterial breakdown products, and complement activation

The hormonal alterations that follow operation and injury favor accelerated gluconeogenesis. This new glucose is consumed by which of the following tissues? A. Central nervous system. B. Skeletal muscle. C. Bone. D. Kidney. E. Tissue in the healing wound.

Description : The hormonal alterations that follow operation and injury favor accelerated gluconeogenesis. This new glucose is consumed by which of the following tissues? A. Central nervous system. B. Skeletal muscle. C. Bone. D. Kidney. E. Tissue in the healing wound.

Last Answer : Answer: ADE DISCUSSION: Glucose is produced in increased amounts to satisfy the fuel requirements of the healing wound. In addition, nerve tissue and the renal medulla also utilize this substrate. Skeletal muscle primarily utilizes fatty acids, and bone utilizes mineral substrate

During which stage of pressure ulcer development does the ulcer extend into the subcutaneous tissue? a) Stage III Clinically, a deep crater with or without undermining of adjacent tissues is noted. b) Stage IV A stage IV pressure ulcer extends into the underlying structure, including the muscle and possibly the bone. c) Stage II A stage II ulcer exhibits a break in the skin through the epidermis or dermis. d) Stage I A stage I pressure ulcer is an area of nonblanchable erythema, tissue swelling, and congestion, and the patient complains of discomfort.

Description : During which stage of pressure ulcer development does the ulcer extend into the subcutaneous tissue? a) Stage III Clinically, a deep crater with or without undermining of adjacent tissues is ... area of nonblanchable erythema, tissue swelling, and congestion, and the patient complains of discomfort.

Last Answer : a) Stage III Clinically, a deep crater with or without undermining of adjacent tissues is noted.

The inner lining of blood vessels is made up of which tissues? (a) Nervous tissue (b) Epithelial tissue (c) Connective tissue (d) Muscle tissue

Description : The inner lining of blood vessels is made up of which tissues? (a) Nervous tissue (b) Epithelial tissue (c) Connective tissue (d) Muscle tissue

Last Answer : (b) Epithelial tissue

Choose the correct statement about topical NSAID preparations: A. They produce high drug levels in the blood by avoiding hepatic first pass metabolism B. They produce high drug levels in the subjacent muscle and joint tissues upto a depth/distance of 10 cm from the site of application C. They elicit symptomatic relief in soft tissue rheumatism mainly by a strong placebo effect D. Interindividual variability in clinical response to these preparations is minimal

Description : Choose the correct statement about topical NSAID preparations: A. They produce high drug levels in the blood by avoiding hepatic first pass metabolism B. They produce high drug levels in ... a strong placebo effect D. Interindividual variability in clinical response to these preparations is minimal

Last Answer : C. They elicit symptomatic relief in soft tissue rheumatism mainly by a strong placebo effect

Insulin: a. has a half-lilfe of 60 minutes b. stimulate glycolysis in liver and muscle c. stimulate lipogenesis in liver and fat tissues d. is synthesized in the endoplasmic reticulum of the beta cells

Description : Insulin: a. has a half-lilfe of 60 minutes b. stimulate glycolysis in liver and muscle c. stimulate lipogenesis in liver and fat tissues d. is synthesized in the endoplasmic reticulum of the beta cells

Last Answer : is synthesized in the endoplasmic reticulum of the beta cells

Which one of the following describes the mode of action of tetanospasmin? a. It inhibits muscle contraction. b. It damages and lyses red blood cells. c. It disrupts cell tissues. d. It inhibits muscle relaxation.

Description : Which one of the following describes the mode of action of tetanospasmin? a. It inhibits muscle contraction. b. It damages and lyses red blood cells. c. It disrupts cell tissues. d. It inhibits muscle relaxation.

Last Answer : d. It inhibits muscle relaxation.

Histamine secreting cells are found in (a) connective tissues (b) lungs (c) muscular tissue (d) nervous tissue

Description : Histamine secreting cells are found in (a) connective tissues (b) lungs (c) muscular tissue (d) nervous tissue

Last Answer : (a) connective tissues

Tissue tropism refers to a. what tissues grow due to a viral infection. b. what tissues are resistant to viral infection. c. what organisms a virus infects. d. what cells or tissues a virus infects.

Description : Tissue tropism refers to a. what tissues grow due to a viral infection. b. what tissues are resistant to viral infection. c. what organisms a virus infects. d. what cells or tissues a virus infects.

Last Answer : d. what cells or tissues a virus infects.

Tissues are constructed from many distinct cell types that perform different functions in response to signals from each other and the extracellular matrix. During tissue development and tissue regeneration, stem cells serve as a reservoir of undifferentiated cells that have the capacity to mature into different cell types. What is the name of the process that stem cells undergo when they are required to generate a particular type of cell?

Description : Tissues are constructed from many distinct cell types that perform different functions in response to signals from each other and the extracellular matrix. During tissue development and tissue regeneration, ... that stem cells undergo when they are required to generate a particular type of cell?

Last Answer : Asymmetric cell division. After asymmetric division, each of the two resulting daughter cells has a unique life course. For example, one daughter cell may differentiate into a specific cell type ( ... cell), whereas the other daughter cell may remain a stem cell with unlimited proliferative ability.

What are epithelial tissues? What are their general function and how is that function associated to the features of the tissue?

Description : What are epithelial tissues? What are their general function and how is that function associated to the features of the tissue?

Last Answer : Epithelial tissues, also called epithelia, are tissues specialized in the covering of external and internal surfaces of the body. The general function of the epithelium is to provide protection ... intercellular space between each two neighbor cells. Cell Tissue - Image Diversity: epithelial cell

The cells lining the blood vessels belong to the category of (a) smooth muscle tissue (b) squamous epithelium (c) columnar epithelium (d) connective tissue.

Description : The cells lining the blood vessels belong to the category of (a) smooth muscle tissue (b) squamous epithelium (c) columnar epithelium (d) connective tissue.

Last Answer : (b) squamous epithelium

Which of the following terms refers to chest pain brought on by physical or emotional stress and relieved by rest or medication? a) angina pectoris Angina pectoris is a symptom of myocardial ischemia. b) atherosclerosis Atherosclerosis is an abnormal accumulation of lipid deposits and fibrous tissue within arterial walls and lumens. c) atheroma Atheromas are fibrous caps composed of smooth muscle cells that form over lipid deposits within arterial vessels. d) ischemia Ischemia is insufficient tissue oxygenation and may occur in any part of the body.

Description : Which of the following terms refers to chest pain brought on by physical or emotional stress and relieved by rest or medication? a) angina pectoris Angina pectoris is a symptom of myocardial ischemia. ... d) ischemia Ischemia is insufficient tissue oxygenation and may occur in any part of the body.

Last Answer : a) angina pectoris Angina pectoris is a symptom of myocardial ischemia.

Which of the following statement(s) is/are true concerning oxygen delivery? a. The amount of oxygen delivered to peripheral tissues is dependent upon the oxygen content in arterial blood and cardiac output b. Oxygen content is commonly measured in arterial blood c. The normal arterial-venous difference is 4 cc O2/dL d. Normal systemic oxygen delivery for a typical adult is approximately 1000 cc/min

Description : Which of the following statement(s) is/are true concerning oxygen delivery? a. The amount of oxygen delivered to peripheral tissues is dependent upon the oxygen content in arterial blood and cardiac ... O2/dL d. Normal systemic oxygen delivery for a typical adult is approximately 1000 cc/min

Last Answer : Answer: a, c, d The amount of oxygen that is delivered to peripheral tissues is the product of the oxygen content in arterial blood times the cardiac output. Normally, oxygen content of arterial blood is ... of venous blood is 16 cc/dL. Hence, the normal arterial-venous difference is 4 cc O2/dL

Which one of the following demonstrates the characteristics of cardiac muscle cells? (1) Involuntary and multinucleated (2) Unbranched and uninucleated (3) Cylindrical and uninucleated (4) Unbranched and involuntary

Description : Which one of the following demonstrates the characteristics of cardiac muscle cells? (1) Involuntary and multinucleated (2) Unbranched and uninucleated (3) Cylindrical and uninucleated (4) Unbranched and involuntary test

Last Answer : (3) Cylindrical and uninucleated

The figure given below shows a small part of human lung where exchange of gases takes place. Select the option which represents labelled part (A, B, C or D) correctly identified along with its function. (a) C : Arterial capillary - Passes oxygen to tissues (b) A : Alveolar cavity - Main site of exchange of respiratory gases (c) D : Capillary wall - Exchange of O2 and CO2 takes place here (d) B : Red blood cells - Transport of CO2 mainly

Description : The figure given below shows a small part of human lung where exchange of gases takes place. Select the option which represents labelled part (A, B, C or D) correctly identified along with its function. ... Exchange of O2 and CO2 takes place here (d) B : Red blood cells - Transport of CO2 mainly

Last Answer : (b) A : Alveolar cavity - Main site of exchange of respiratory gases

In multicellular organisms, there are different kinds of cells that are organized into tissues and organs to perform special functions. What is the function of a skin cell?

Description : In multicellular organisms, there are different kinds of cells that are organized into tissues and organs to perform special functions. What is the function of a skin cell?

Last Answer : to protect the body from foreign substances

What are 3 types of muscle tissues?

Description : What are 3 types of muscle tissues?

Last Answer : smooth skeletal and cardiac

The tissues with the highest total glycogen content are (A) Muscle and kidneys (B) Kidneys and liver (C) Liver and muscle (D) Brain and Liver

Description : The tissues with the highest total glycogen content are (A) Muscle and kidneys (B) Kidneys and liver (C) Liver and muscle (D) Brain and Liver

Last Answer : C

Scar formation is part of the normal healing process following injury. Which of the following tissues has the ability to heal without scar formation? a. Liver b. Skin c. Bone d. Muscle

Description : Scar formation is part of the normal healing process following injury. Which of the following tissues has the ability to heal without scar formation? a. Liver b. Skin c. Bone d. Muscle

Last Answer : Answer: c Every tissue in the body undergoes reparative processes after injury. Bone has the unique ability to heal without scar and liver has the potential to regenerate parenchyma, the only organ ... scar (cirrhosis) as well. With these exceptions, all other mature human tissues heal with scar

Which one of the following tissues can metabolize glucose, fatty acids and ketone bodies for ATP production? a. Liver b. Muscle c. Brain d. R.B.C

Description : Which one of the following tissues can metabolize glucose, fatty acids and ketone bodies for ATP production? a. Liver b. Muscle c. Brain d. R.B.C

Last Answer : Ans: B

The closed circulatory system is more efficient. Since blood circulates only inside blood vessels it can do it with more pressure reaching farther distances between the organs where hematosis happens and the peripheral tissues. In addition the circulatory speed also heightens making possible more oxygen supply to great consuming tissues, like the muscle tissues that then can perform faster movements. Animals with an open circulatory system (with the exception of insects that do gas exchange independently from the circulation) are generally slower and have a low metabolic rate.

Description : The closed circulatory system is more efficient. Since blood circulates only inside blood vessels it can do it with more pressure reaching farther distances between the organs where hematosis ... exchange independently from the circulation) are generally slower and have a low metabolic rate.

Last Answer : What is the difference between octopuses and mussels regarding their circulatory systems?

Ketone bodies are utilized by all tissues except Options: 1) Liver 2) Muscle 3) Heart 4) Kidney

Description : Ketone bodies are utilized by all tissues except Options: 1) Liver 2) Muscle 3) Heart 4) Kidney

Last Answer : Correct Answer: 1) Liver

Which types of tissue are called permanent tissues? -Biology

Description : Which types of tissue are called permanent tissues? -Biology

Last Answer : answer:

Assertion: Cartilage and bone are rigid connective tissues. Reason: Blood is a connective tissue.

Description : Assertion: Cartilage and bone are rigid connective tissues. Reason: Blood is a connective tissue.

Last Answer : Assertion: Cartilage and bone are rigid connective tissues. Reason: Blood is a connective tissue. A. If ... D. If both Assertion & Reason are false.

Hormones act only on specific organs or tissues. These are called (A) Active sites (B) Reaction centre (C) Target organ/Tissue(D) Physiological site HORMONE METABOLISM 231

Description : Hormones act only on specific organs or tissues. These are called (A) Active sites (B) Reaction centre (C) Target organ/Tissue(D) Physiological site HORMONE METABOLISM 231

Last Answer : Answer : C

The synthesis of 3-hydroxy-3-methylglutaryl-CoA can occur (A) Only in mitochondria of all mammalian tissues (B) Only in the cytosol of all mammalian tissue (C) In both cytosol and mitochondria (D) In lysosomes

Description : The synthesis of 3-hydroxy-3-methylglutaryl-CoA can occur (A) Only in mitochondria of all mammalian tissues (B) Only in the cytosol of all mammalian tissue (C) In both cytosol and mitochondria (D) In lysosomes

Last Answer : Answer : C

Glycerol released from adipose tissue by hydrolysis of triglycerides is mainly (A) Taken up by liver (B) Taken up by extrahepatic tissues (C) Reutilised in adipose tissue (D) Excreted from the body FATS AND FATTY ACID METABOLISM 85

Description : Glycerol released from adipose tissue by hydrolysis of triglycerides is mainly (A) Taken up by liver (B) Taken up by extrahepatic tissues (C) Reutilised in adipose tissue (D) Excreted from the body FATS AND FATTY ACID METABOLISM 85

Last Answer : Answer : A

The unwanted amino acids abstracted from the tissues are either used up by the tissue or in the liver converted into (A) Ammonia (B) Urea (C) Ammonium salts (D) Uric acid

Description : The unwanted amino acids abstracted from the tissues are either used up by the tissue or in the liver converted into (A) Ammonia (B) Urea (C) Ammonium salts (D) Uric acid

Last Answer : Answer : B

After re leas ing O2 at the tissues, hemoglobin transports (A) CO2 and protons to the lungs (B) O2 to the lungs (C) CO2 and protons to the tissue (D) Nutrients

Description : After re leas ing O2 at the tissues, hemoglobin transports (A) CO2 and protons to the lungs (B) O2 to the lungs (C) CO2 and protons to the tissue (D) Nutrients

Last Answer : Answer : A

If a necrotizing soft tissue infection is considered, therapy mandates: a. Empiric administration of antibiotics active against gram-positive, gram-negative, and anaerobic bacteria b. Due to usually resistant species, penicillin is not indicated c. Immediate operative intervention and aggressive resection of all involved tissues is mandatory d. The use of hyperbaric oxygen has been demonstrated to be clearly advantageous

Description : If a necrotizing soft tissue infection is considered, therapy mandates: a. Empiric administration of antibiotics active against gram-positive, gram-negative, and anaerobic bacteria b. Due to usually ... is mandatory d. The use of hyperbaric oxygen has been demonstrated to be clearly advantageous

Last Answer : Answer: a, c Identification of a necrotizing, soft tissue infection mandates immediate operative intervention with aggressive resection of all involved tissues and empiric ... remains without controlled trials demonstrating any additional benefits derived from hyperbaric oxygen therapy

Which of the following tissues contain significant collagen useful for placing sutures to allow the prolonged tension necessary to maintain tissue approximation? a. Dermis b. Intestinal submucosa c. Muscular fascia d. Blood vessel wall

Description : Which of the following tissues contain significant collagen useful for placing sutures to allow the prolonged tension necessary to maintain tissue approximation? a. Dermis b. Intestinal submucosa c. Muscular fascia d. Blood vessel wall

Last Answer : Answer: a, b, c, d It takes at least three weeks for collagen to undergo sufficient remodeling and cross linking to attain moderate strength. Since most skin sutures are removed at one to ... , Scarpa's fascia, and blood vessel wall represent a partial list of tissues with high collagen content

Ground tissue includes (a) all tissues external to endodermis (b) all tissues except epidermis and vascular bundles (c) epidermis and cortex (d) all tissues internal to endodermis.

Description : Ground tissue includes (a) all tissues external to endodermis (b) all tissues except epidermis and vascular bundles (c) epidermis and cortex (d) all tissues internal to endodermis.

Last Answer : b) all tissues except epidermis and vascular bundles

Which of the following connective tissue disorders is characterized by insoluble collagen being formed and accumulating excessively in the tissues? a) Scleroderma Scleroderma occurs initially in the skin but also occurs in blood vessels, major organs, and body systems, potentially resulting in death.

Description : Which of the following connective tissue disorders is characterized by insoluble collagen being formed and accumulating excessively in the tissues? a) Scleroderma Scleroderma occurs initially in the ... In polymyalgia rheumatic, immunoglobulin is deposited in the walls of inflamed temporal arteries.

Last Answer : a) Scleroderma Scleroderma occurs initially in the skin but also occurs in blood vessels, major organs, and body systems, potentially resulting in death.

Which tissue helps in increasing the length of stem and root? OR Q: Which tissues are responsible for the axial growth of plants?

Description : Which tissue helps in increasing the length of stem and root? OR Q: Which tissues are responsible for the axial growth of plants?

Last Answer : Apical Meristem.

Why do plants have more dead tissues as compared to animals?OR Q: Why do plant tissue require less amount of energy in comparison to animal tissues?

Description : Why do plants have more dead tissues as compared to animals?OR Q: Why do plant tissue require less amount of energy in comparison to animal tissues?

Last Answer : Most of the plant tissues are dead, since dead cells can provide mechanical strength as easily as live ones, and need less maintenance. Also plants have sedentary life i.e. they are stationary. Therefore plant tissues require less amount of energy.

The articular surface of the normal temporomandibular joint are lined with, A. A specially adapted, highly fibrous tissue B. Hyaline cartilage C. Chondroitin-6-phosphate D. Highly vesiculated tissues

Description : The articular surface of the normal temporomandibular joint are lined with, A. A specially adapted, highly fibrous tissue B. Hyaline cartilage C. Chondroitin-6-phosphate D. Highly vesiculated tissues

Last Answer : A. A specially adapted, highly fibrous tissue

The most accurate way to evaluate the effectiveness of root planning is by: A. Inspect the root surface with an instrument for root smoothness B. Use air for visual inspection C. Activate a curette against root surface and listen for a high pitched sound which indicates a smooth, hard surface. D. Evaluate the soft tissue at the end of the appointment for a decrease oedema and bleeding E. Evaluate the soft tissues 10 to 14 days later.

Description : The most accurate way to evaluate the effectiveness of root planning is by: A. Inspect the root surface with an instrument for root smoothness B. Use air for visual inspection C. Activate a ... the appointment for a decrease oedema and bleeding E. Evaluate the soft tissues 10 to 14 days later.

Last Answer : E. Evaluate the soft tissues 10 to 14 days later.

Which is NOT a correct association of tissues and hormones or functions? A) adipose tissue--leptin to regulate a feeling of fullness B) thymus--use of iodine to make thyroxine for regulation of body growth C) pineal gland--production of melatonin and involvement in seasonal affective disorder D) pancreas--insulin for regulation of blood glucose levels E) pancreas--glucagon for regulation of blood glucose levels

Description : Which is NOT a correct association of tissues and hormones or functions? A) adipose tissue--leptin to regulate a feeling of fullness B) thymus--use of iodine to make thyroxine for ... insulin for regulation of blood glucose levels E) pancreas--glucagon for regulation of blood glucose levels

Last Answer : B) thymus--use of iodine to make thyroxine for regulation of body growth

In a plant, the layer of persistently meristematic tissue, giving rise to secondary tissues, resulting in growth in diameter is which of the following? a) bark b) cambium c) capsule

Description : In a plant, the layer of persistently meristematic tissue, giving rise to secondary tissues, resulting in growth in diameter is which of the following? a) bark b) cambium c) capsule

Last Answer : ANSWER: B -- CAMBIUM

Typical results of beta-receptor activation include which one of the following? (a) Hypoglycemia (b) Lipolysis (c) Glycogen synthesis (d) Decreased skeletal muscle tremor (e) Decreased rennin secretion

Description : Typical results of beta-receptor activation include which one of the following? (a) Hypoglycemia (b) Lipolysis (c) Glycogen synthesis (d) Decreased skeletal muscle tremor (e) Decreased rennin secretion

Last Answer : Ans: B

The following side effect of typical neuroleptics may respond to propranolol: A. Parkinsonism B. Acute muscle dystonia C. Tardive dyskinesia D. Akathisia (p. 397) 30.15 3 0 . 1 5 B 30.16 3 0 . 1 6 D

Description : The following side effect of typical neuroleptics may respond to propranolol: A. Parkinsonism B. Acute muscle dystonia C. Tardive dyskinesia D. Akathisia (p. 397) 30.15 3 0 . 1 5 B 30.16 3 0 . 1 6 D

Last Answer : D. Akathisia (p. 397)

Classification and characteristics of permanent tissues. -Biology

Description : Classification and characteristics of permanent tissues. -Biology

Last Answer : answer:

.Living organisms have many complex characteristics. Which one of the following is shared by non- living matter as well? A-Homeostasis B- .Tissues C- .ReproductionD- Molecules

Description : .Living organisms have many complex characteristics. Which one of the following is shared by non- living matter as well? A-Homeostasis B- .Tissues C- .Reproduction D- Molecules

Last Answer : Molecules

Living organisms have many complex characteristics. Which one of the following is sharedbynon-living matter as well?A- Homeostasis B- Tissues C- Reproduction D- Molecules

Description : Living organisms have many complex characteristics. Which one of the following is sharedbynon-living matter as well?A- Homeostasis B- Tissues C- Reproduction D- Molecules

Last Answer : Molecules