Characteristics of cardiac muscles are that they `:-`

Characteristics of cardiac muscles are that they `:-`
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Characteristics of cardiac muscles are that they `:-` A. Contract quickly and get fatigued B. ... fatigued D. Contract slowly and do not get fatigued
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Mention the characteristics of cardiac muscles.

Description : Mention the characteristics of cardiac muscles.

Last Answer : a) Cardiac muscles are composed of branched fibres that have stripes or bands. b) The branches are connected with one another in a cris-cross form. c) They are involuntary muscles d) They do not fatigue easily. e) They are found only in the heart

Identify the tissue shown in the diagram and match with its characteristics and its location. (a) Smooth muscles, show branching, found in the wall of the heart(b) Cardiac muscles, unbranched muscles, found in the walls of the heart (c) Striated muscles, tapering at both-ends, attached with the bones of the ribs (d) Skeletal muscles show striations and are closely attached with the bones of the limbs

Description : Identify the tissue shown in the diagram and match with its characteristics and its location. (a) Smooth muscles, show branching, found in the wall of the heart (b) Cardiac muscles, unbranched ... the ribs (d) Skeletal muscles show striations and are closely attached with the bones of the limbs

Last Answer : (d) Skeletal muscles show striations and are closely attached with the bones of the limbs

9. Give three features of cardiac muscles. -Science

Description : 9. Give three features of cardiac muscles. -Science

Last Answer : The cardiac muscles are specialized tissues that are evolved to pump blood throughout the body. The following are the features of the cardiac muscles: ➢ They are cylindrical in shape. ➢ Striated muscle fibers. ➢ They are uninucleated and branched. ➢ These muscles are involuntary in nature.

Are cardiac muscles considered to be smooth muscles?

Description : Are cardiac muscles considered to be smooth muscles?

Last Answer : No, they are not. Cardiac muscle is a type of involuntary striated muscle found only in the walls of the heart.This is a specialized muscle that, while similar in some fundamental ways to ... muscle automaticity. Meaning that some of the cells can beat on their own without any nerve stimulation.

Hypocalcaemia affects (A) Skeletal muslces (B) Smooth muscles (C) Cardiac muscles (D) Skeletal muscles + smooth muscles + cardiac muscles

Description : Hypocalcaemia affects (A) Skeletal muslces (B) Smooth muscles (C) Cardiac muscles (D) Skeletal muscles + smooth muscles + cardiac muscles

Last Answer : Answer : D

Enhanced automaticity in cardiac cells may occur because of (a) ß-adrenergic stimulation (b) Hypokalemia (c) Mechanical stretch of cardiac muscles (d) All of the above

Description : Enhanced automaticity in cardiac cells may occur because of (a) ß-adrenergic stimulation (b) Hypokalemia (c) Mechanical stretch of cardiac muscles (d) All of the above

Last Answer : Ans: D

People consuming alcohol in heavy quantities generally die of – (1) liver or stomach cancer (2) weakening of heart muscles leading to cardiac arrest (3) blood cancer (4) Cirrhosis

Description : People consuming alcohol in heavy quantities generally die of – (1) liver or stomach cancer (2) weakening of heart muscles leading to cardiac arrest (3) blood cancer (4) Cirrhosis

Last Answer : (4) Cirrhosis Explanation: Cirrhosis is a condition in which the liver does not function properly due to longterm damage. This damage is characterized by the replacement of normal liver tissue by scar tissue.

Heavy alcohol consuming people generally die of (1) blood cancer (2) cirrhosis (3) liver or stomach cancer (4) weakening of heart muscles leading to cardiac arrest

Description : Heavy alcohol consuming people generally die of (1) blood cancer (2) cirrhosis (3) liver or stomach cancer (4) weakening of heart muscles leading to cardiac arrest

Last Answer : (2) cirrhosis Explanation: Cirrhosis is scarring of the liver and poor liver function. It is the final phase of chronic liver disease which may result from a history of excess drinking habits. Cirrhosis is most commonly caused by alcoholism, hepatitis B and hepatitis C, and fatty liver disease.

State the function of cardiac muscles.

Description : State the function of cardiac muscles.

Last Answer : Cardiac muscles are responsible for the contraction and relaxation of the heart. It makes the heart beat continuously throughout one’s life.

The autonomic nervous system innervates all of these except? A. Cardiac muscles B. Skeletal muscles (Answer) C. Smooth muscles D. none

Description : The autonomic nervous system innervates all of these except? A. Cardiac muscles B. Skeletal muscles (Answer) C. Smooth muscles D. none

Last Answer : B. Skeletal muscles (Answer)

Under more functional demand, cardiac muscles undergo C A. Atrophy B. Hyperplasia C. Hypertrophy D. None of these

Description : Under more functional demand, cardiac muscles undergo C A. Atrophy B. Hyperplasia C. Hypertrophy D. None of these

Last Answer : Hypertrophy

Give three features of cardiac muscles.

Description : Give three features of cardiac muscles.

Last Answer : 1. Cardiac muscles of the heart show rhythmic contraction and relaxation throughout life. 2. These are involuntary muscles and form the walls of the heart. 3. They are cylindrical, branched and uninucleate. 4. They show characteristics of both striated and unstriated muscles.

Heavy alcohol consuming people generally die of (1) blood cancer (2) cirrhosis (3) liver or stomach cancer (4) weakening of heart muscles leading to cardiac arrest

Description : Heavy alcohol consuming people generally die of (1) blood cancer (2) cirrhosis (3) liver or stomach cancer (4) weakening of heart muscles leading to cardiac arrest

Last Answer : cirrhosis

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

Which is NOT a correct consequence of surgical removal of portions of these glands? A) adrenal cortex--bronzing of skin, no glucose at stress, dehydration and death B) thymus--decrease in sex drive and changes in secondary sexual characteristics C) parathyroid glands--drop in blood calcium level and tetany (muscles shake) D) ovaries--alteration in menstrual cycle and change in secondary sex characteristics E) adult thyroid--low pulse rate and body temperature and lethargy

Description : Which is NOT a correct consequence of surgical removal of portions of these glands? A) adrenal cortex--bronzing of skin, no glucose at stress, dehydration and death B) thymus--decrease ... change in secondary sex characteristics E) adult thyroid--low pulse rate and body temperature and lethargy

Last Answer : B) thymus--decrease in sex drive and changes in secondary sexual characteristics