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

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

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

What are the differences between skeletal muscle, smooth muscle, and cardiac muscle? -Biology

Description : What are the differences between skeletal muscle, smooth muscle, and cardiac muscle? -Biology

Last Answer : answer:

Which type of muscle is a syncytium (pron: sin-sish-E-um)? a) skeletal b) cardiac c) smooth d) all of the above

Description : Which type of muscle is a syncytium (pron: sin-sish-E-um)? a) skeletal b) cardiac c) smooth d) all of the above

Last Answer : ANSWER: A -- SKELETAL

Which of the following statement(s) is/are correct concerning the cardiovascular response to shock? a. Changes in cardiac contractile function shift the Frank Starling curve up and down b. Venoconstriction from skeletal muscle is a significant contributor to the restoration of blood volume with shock c. Arterial vasoconstriction affects all vascular beds equally d. The total circulating blood volume is equally split between the arterial and venous system

Description : Which of the following statement(s) is/are correct concerning the cardiovascular response to shock? a. Changes in cardiac contractile function shift the Frank Starling curve up and down b. ... d. The total circulating blood volume is equally split between the arterial and venous system

Last Answer : Answer: a Central in the general cardiovascular response to shock is the action of the heart itself. The principle determinants of cardiac function in the normal heart are the volume of blood ... Blood flow to the skin is sacrificed early, followed by that to the kidneys and splanchnic viscera

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

Tongue is made up of (a) Smooth muscles (b) Skeletal muscles (c) Both (d) None

Description : Tongue is made up of (a) Smooth muscles (b) Skeletal muscles (c) Both (d) None

Last Answer : (b) Skeletal muscles

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 can occur in all the following except (A) Rickets (B) Osteomalacia (C) Hyperparathyroidism (D) Intestinal malabsorption

Description : Hypocalcaemia can occur in all the following except (A) Rickets (B) Osteomalacia (C) Hyperparathyroidism (D) Intestinal malabsorption

Last Answer : Answer : C

Tetany can occur in (A) Hypocalcaemia (B) Hypercalcaemia (C) Alkalosis (D) Hypocalcaemia and alkalosis

Description : Tetany can occur in (A) Hypocalcaemia (B) Hypercalcaemia (C) Alkalosis (D) Hypocalcaemia and alkalosis

Last Answer : Answer : D

Ketone bodies are synthesized from fatty acid oxidation products by which of the following organs? (A) Liver (B) Skeletal muscles (C) Kidney (D) Brain

Description : Ketone bodies are synthesized from fatty acid oxidation products by which of the following organs? (A) Liver (B) Skeletal muscles (C) Kidney (D) Brain

Last Answer : Answer : A

Caffeine is more powerful than theophylline in exerting the following action (a) Bronchodilatation (b) Cardiac stimulation (c) Diuresis (d) Augmentation of skeletal muscle contractility

Description : Caffeine is more powerful than theophylline in exerting the following action (a) Bronchodilatation (b) Cardiac stimulation (c) Diuresis (d) Augmentation of skeletal muscle contractility

Last Answer : Ans: D

Why can cardiac muscle fibres contract for longer periods than skeletal fibres? (a) Cardiac muscle is self-excitatory (b) Extracellular calcium partially controls the strength (and length) of contraction (c) Cisternae of T-tubules are more developed in cardiac muscle (d) Cardiac muscle is uninucleate rather than multinucleate

Description : Why can cardiac muscle fibres contract for longer periods than skeletal fibres? (a) Cardiac muscle is self-excitatory (b) Extracellular calcium partially controls the strength (and length) ... tubules are more developed in cardiac muscle (d) Cardiac muscle is uninucleate rather than multinucleate

Last Answer : Ans:(a)

Caffeine is more powerful than theophylline in exerting the following action: A. Bronchodilatation B. Cardiac stimulation C. Diuresis D. Augmentation of skeletal muscl contractility

Description : Caffeine is more powerful than theophylline in exerting the following action: A. Bronchodilatation B. Cardiac stimulation C. Diuresis D. Augmentation of skeletal muscl contractility

Last Answer : D. Augmentation of skeletal muscl contractility

Are smooth muscle contractions the same as skeletal muscle contractions?

Description : Are smooth muscle contractions the same as skeletal muscle contractions?

Last Answer : There are similarities, as well as differences, in comparing smooth and skeletal muscle contractions. Both types of muscles include reactions involving actin and myosin, both are triggered by membrane impulses and ... (as when the stomach is full), while this does not occur in skeletal muscles.

The muscle which is under involuntary control is: a) striated b) smooth c) skeletal

Description : The muscle which is under involuntary control is: a) striated b) smooth c) skeletal

Last Answer : ANSWER: B -- SMOOTH

Parathyroid hormone: a. is a peptide hormone b. is released in response to hypocalcaemia c. increases phosphate reabsorption in the kidneys d. increases calcium excretion in the kidneys

Description : Parathyroid hormone: a. is a peptide hormone b. is released in response to hypocalcaemia c. increases phosphate reabsorption in the kidneys d. increases calcium excretion in the kidneys

Last Answer : is released in response to hypocalcaemia

Neural system which relays impulses from CNS to skeletal muscles is

Description : Neural system which relays impulses from CNS to skeletal muscles is

Last Answer : Neural system which relays impulses from CNS to skeletal muscles is

Neural system which relays impulses from CNS to skeletal muscles is

Description : Neural system which relays impulses from CNS to skeletal muscles is

Last Answer : Neural system which relays impulses from CNS to skeletal muscles is

Skeletal muscles have a striped appearance under the microscope and hence called____mucles.

Description : Skeletal muscles have a striped appearance under the microscope and hence called____mucles.

Last Answer : Skeletal muscles have a striped appearance under the microscope and hence called____mucles.

In a vertebrate which germ layer forms the skeletal muscles :

Description : In a vertebrate which germ layer forms the skeletal muscles :

Last Answer : In a vertebrate which germ layer forms the skeletal muscles : A. Ectoderm B. Endoderm C. Mesoderm D. Both 1 and 2

Which one is not the character of red skeletal muscles ?

Description : Which one is not the character of red skeletal muscles ?

Last Answer : Which one is not the character of red skeletal muscles ? A. Smaller diameter B. More ... C. More sarcoplasmic reticulum D. More blood capillaries

Why do most skeletal muscles work in pairs?

Description : Why do most skeletal muscles work in pairs?

Last Answer : Skeletal muscles work in pair because of the limitation that these muscles can only contract or pull and can only move in one direction.

Approximate number of skeletal muscles is : (1) 500 (2) 700 (3) 200 (4) 206

Description : Approximate number of skeletal muscles is : (1) 500 (2) 700 (3) 200 (4) 206

Last Answer : (2) 700 Explanation: There are approximately 640 skeletal muscles within the typical human, and almost every muscle constitutes one part of a pair of identical bilateral muscles, found on both sides, ... as different parts of a single muscle or as several muscles. Examples range from 640 to 850.

Give reason: Striped muscles are called ‘skeletal muscles’.

Description : Give reason: Striped muscles are called ‘skeletal muscles’.

Last Answer : Striped muscles are usually attached to the bones. Hence they are called skeletalmuscles.

The other name of type of necrosis in skeletal muscles is C A. coagulative necrosis B. caseative necrosis C. Zenkers necrosis D. None of these

Description : The other name of type of necrosis in skeletal muscles is C A. coagulative necrosis B. caseative necrosis C. Zenkers necrosis D. None of these

Last Answer : Zenkers necrosis

The effects of glucocorticoid hormones include: a. increase hepatic glycogen synthesis b. decrease glucose uptake by the adipose tissue c. decrease hepatic gluconeogesis d. increase protein synthesis in the skeletal muscles

Description : The effects of glucocorticoid hormones include: a. increase hepatic glycogen synthesis b. decrease glucose uptake by the adipose tissue c. decrease hepatic gluconeogesis d. increase protein synthesis in the skeletal muscles

Last Answer : . increase hepatic glycogen synthesis

Select the correct statement regarding the specific disorder of muscular or skeletal system. (a) Muscular dystrophy – Age related shortening of muscles (b) Osteoporosis – Decrease in bone mass and higher chances of fractures with advancing age (c) Myasthenia gravis – Autoimmune disorder which inhibits sliding of myosin filaments (d) Gout – Inflammation of joints due to extra deposition of calcium

Description : Select the correct statement regarding the specific disorder of muscular or skeletal system. (a) Muscular dystrophy - Age related shortening of muscles (b) Osteoporosis - Decrease in bone mass and ... of myosin filaments (d) Gout - Inflammation of joints due to extra deposition of calcium

Last Answer : (b) Osteoporosis – Decrease in bone mass and higher chances of fractures with advancing age

Select the correct statement with respect to disorders of muscles in humans. (a) Failure of neuromuscular transmission in myasthenia gravis can prevent normal swallowing. (b) Accumulation of urea and creatine in the joints causes their inflammation. (c) An overdose of vitamin D causes osteoporosis. (d) Rapid contractions of skeletal muscles cause muscle dystrophy

Description : Select the correct statement with respect to disorders of muscles in humans. (a) Failure of neuromuscular transmission in myasthenia gravis can prevent normal swallowing. (b) Accumulation of ... of vitamin D causes osteoporosis. (d) Rapid contractions of skeletal muscles cause muscle dystrophy

Last Answer : (a) Failure of neuromuscular transmission in myasthenia gravis can prevent normal swallowing.

Neuromuscular blocking drugs do not produce central actions because: A. They do not cross the blood-brain barrier B. Nicotinic receptors are not present in the brain C. They are sequestrated in the periphery by tight binding to the skeletal muscles D. They do not ionise at the brain pH

Description : Neuromuscular blocking drugs do not produce central actions because: A. They do not cross the blood-brain barrier B. Nicotinic receptors are not present in the brain C. They are sequestrated in the periphery by tight binding to the skeletal muscles D. They do not ionise at the brain pH

Last Answer : A. They do not cross the blood-brain barrier

Select the skeletal muscle relaxant that is commonly used for endotracheal intubation despite causing histamine release, K+ efflux from muscles and cardiovascular changes: A. Pipecuroniun B. Succinylcholine C. Pancuronium D. Cisatracurium

Description : Select the skeletal muscle relaxant that is commonly used for endotracheal intubation despite causing histamine release, K+ efflux from muscles and cardiovascular changes: A. Pipecuroniun B. Succinylcholine C. Pancuronium D. Cisatracurium

Last Answer : B. Succinylcholine

Glucocorticoids impair carbohydrate tolerance by: A. Promoting gluconeogenesis in liver B. Depressing glucose uptake into skeletal muscles C. Inhibiting insulin secretion D. Both A and B are correct

Description : Glucocorticoids impair carbohydrate tolerance by: A. Promoting gluconeogenesis in liver B. Depressing glucose uptake into skeletal muscles C. Inhibiting insulin secretion D. Both A and B are correct

Last Answer : D. Both A and B are correct

Guargum limits post-prandial glycaemia by: A. Inhibiting intestinal brush border α-glucosidases B. Slowing carbohydrate absorption from intestine C. Releasing incretins from the intestine D. Promoting uptake of glucose into skeletal muscles

Description : Guargum limits post-prandial glycaemia by: A. Inhibiting intestinal brush border α-glucosidases B. Slowing carbohydrate absorption from intestine C. Releasing incretins from the intestine D. Promoting uptake of glucose into skeletal muscles

Last Answer : B. Slowing carbohydrate absorption from intestin

Approximate number of skeletal muscles is : (1) 500 (2) 700 (3) 200 (4) 206

Description : Approximate number of skeletal muscles is : (1) 500 (2) 700 (3) 200 (4) 206

Last Answer : 700

Which of the following effects of epinephrine would be blocked by phentolamine but not by metoprolol ? (a) Cardiac stimulation (b) Contractionof radial smooth muscle in the iris (c) Increase of camp in fat (d) Relaxation of bronchial smooth muscle (e) Relaxation of the uterus

Description : Which of the following effects of epinephrine would be blocked by phentolamine but not by metoprolol ? (a) Cardiac stimulation (b) Contractionof radial smooth muscle in the iris (c) Increase of camp in fat (d) Relaxation of bronchial smooth muscle (e) Relaxation of the uterus

Last Answer : Ans: B

Atropine overdose may cause which one of the following (a) Gastrointestinal smooth muscle crampine (b) Increased cardiac rate (c) Increased gastric secretion (d) Pupillary constriction (e) Urinary frequency

Description : Atropine overdose may cause which one of the following (a) Gastrointestinal smooth muscle crampine (b) Increased cardiac rate (c) Increased gastric secretion (d) Pupillary constriction (e) Urinary frequency

Last Answer : Ans: B

Which of the following will result from blockade of H2 receptors? (a) Decreased camp in cardiac muscle (b) Increased camp in cardiac muscle (c) Decreased IP3 in gastric mucosa (d) Increased IP3 in gastric mucosa (e) Increased IP3 in smooth muscle

Description : Which of the following will result from blockade of H2 receptors? (a) Decreased camp in cardiac muscle (b) Increased camp in cardiac muscle (c) Decreased IP3 in gastric mucosa (d) Increased IP3 in gastric mucosa (e) Increased IP3 in smooth muscle

Last Answer : Ans: A

Heart is devoid of - (1) cardiac muscle (2) involuntary muscle (3) voluntary muscle (4) smooth muscle

Description : Heart is devoid of - (1) cardiac muscle (2) involuntary muscle (3) voluntary muscle (4) smooth muscle

Last Answer : (2) involuntary muscle Explanation: Cardiac muscle is also an involuntary muscle, found only in the heart.

The following are true about potassium: a. hypokalaemia decreases the time of cardiac repolarization b. hyperkalaemia decreases cardiac contraction c. hyperkalaemia relaxes vascular smooth muscle d. all

Description : The following are true about potassium: a. hypokalaemia decreases the time of cardiac repolarization b. hyperkalaemia decreases cardiac contraction c. hyperkalaemia relaxes vascular smooth muscle d. all

Last Answer : all

Homeostasis is controlled by regulating the activity of a. cardiac muscle b. smooth muscle c. gland d. all

Description : Homeostasis is controlled by regulating the activity of a. cardiac muscle b. smooth muscle c. gland d. all

Last Answer : all

Which of the following electrolytes is a major cation in body fluid? a) Potassium Potassium is a major cation that affects cardiac muscle functioning. b) Chloride Chloride is an anion. c) Bicarbonate Bicarbonate is an anion. d) Phosphate Phosphate is an anion.

Description : Which of the following electrolytes is a major cation in body fluid? a) Potassium Potassium is a major cation that affects cardiac muscle functioning. b) Chloride Chloride is an anion. c) Bicarbonate Bicarbonate is an anion. d) Phosphate Phosphate is an anion.

Last Answer : a) Potassium Potassium is a major cation that affects cardiac muscle functioning.

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.

Characteristics of cardiac muscles are that they `:-`

Description : Characteristics of cardiac muscles are that they `:-`

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

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.

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

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.