The muscle spindles: a. are extrafusal fibres b. are innervated by type Ia and II fibres c. received motor innervation from the gamma fibres. d. respond to tension in the muscle

The muscle spindles:
a. are extrafusal fibres
b. are innervated by type Ia and II fibres
c. received motor innervation from the gamma fibres.
d. respond to tension in the muscle
by

1 Answer

Answer :

are innervated by type Ia and II fibres
by

Related questions

Stretch reflex: a. is a monosynaptic reflex with a response time of 1 msec b. originates in the muscle spindle which sends off impulses in type Ia nerve fibres c. is intensified by impulses in the gamma efferent fibres d. all above

Description : Stretch reflex: a. is a monosynaptic reflex with a response time of 1 msec b. originates in the muscle spindle which sends off impulses in type Ia nerve fibres c. is intensified by impulses in the gamma efferent fibres d. all above

Last Answer : all above

Adrenergic β2 agonists produce muscle tremor by: A. Facilitating neuromuscular transmission B. Incomplete fusion of contractile response of individual fibres C. Enhanced firing of muscle spindles D. Both (b) and (c) are correct

Description : Adrenergic β2 agonists produce muscle tremor by: A. Facilitating neuromuscular transmission B. Incomplete fusion of contractile response of individual fibres C. Enhanced firing of muscle spindles D. Both (b) and (c) are correct

Last Answer : D. Both (b) and (c) are correct

Adrenergic β2 agonists produce muscle tremor by: A. Facilitating neuromuscular transmission B. Incomplete fusion of contractile response of individual fibres C. Enhanced firing of muscle spindles D. Both (b) and (c) are correct

Description : Adrenergic β2 agonists produce muscle tremor by: A. Facilitating neuromuscular transmission B. Incomplete fusion of contractile response of individual fibres C. Enhanced firing of muscle spindles D. Both (b) and (c) are correct

Last Answer : D. Both (b) and (c) are correct

The felderstrukter fibres of the extraocular musclea. form the bulk of the orbital part of the muscle b. have poorly developed sarcoplasmic reticulum c. are singly innervated d. are more richly supplied by blood than the fibrillenstrukter fibres

Description : The felderstrukter fibres of the extraocular musclea. form the bulk of the orbital part of the muscle b. have poorly developed sarcoplasmic reticulum c. are singly innervated d. are more richly supplied by blood than the fibrillenstrukter fibres

Last Answer : have poorly developed sarcoplasmic reticulum

With regard to knee jerk: a. it is a monosynaptic reflex b. the impulse travels via type Ia afferent fibres c. the Golgi body is an important component d. the stimulus begins in the tendon

Description : With regard to knee jerk: a. it is a monosynaptic reflex b. the impulse travels via type Ia afferent fibres c. the Golgi body is an important component d. the stimulus begins in the tendon

Last Answer : the impulse travels via type Ia afferent fibres

The following are true about micro-circulation: a. arterioles have no muscle b. capillaries have walls made up of a single layer of cells c. capillaries have no innervation d. the capillaries contain 5% of the total blood volume at any one time

Description : The following are true about micro-circulation: a. arterioles have no muscle b. capillaries have walls made up of a single layer of cells c. capillaries have no innervation d. the capillaries contain 5% of the total blood volume at any one time

Last Answer : he capillaries contain 5% of the total blood volume at any one time

The following are true: a. depth of perception only occurs in patients with normal visual acuities in both eye b. Hering's law states that increased innervation to an extraocular muscle is accompanied by a decrease in innervation to its antagonists. c. objects on the Panum's area fall on simultaneous areas of the retina d. objects outside of the Panum's area are perceived as doubl

Description : The following are true: a. depth of perception only occurs in patients with normal visual acuities in both eye b. Hering's law states that increased innervation to an extraocular muscle is ... simultaneous areas of the retina d. objects outside of the Panum's area are perceived as doubl

Last Answer : objects outside of the Panum's area are perceived as doubl

Which of the following organs is innervated only by parasympathetic nerves ? (a) Iris muscles (b) Ciliary muscle (c) Sweat glands (d) Splenic capsule

Description : Which of the following organs is innervated only by parasympathetic nerves ? (a) Iris muscles (b) Ciliary muscle (c) Sweat glands (d) Splenic capsule

Last Answer : Ans: B

Which of the following organs is innervated only by parasympathetic nerves: A. Iris muscles B. Ciliary muscle C. Sweat glands D. Splenic capsule

Description : Which of the following organs is innervated only by parasympathetic nerves: A. Iris muscles B. Ciliary musclele C. Sweat glands D. Splenic capsu

Last Answer : B. Ciliary musclele

Which of the following organs is innervated only by parasympathetic nerves: A. Iris muscles B. Ciliary muscle C. Sweat glands D. Splenic capsule

Description : Which of the following organs is innervated only by parasympathetic nerves: A. Iris muscles B. Ciliary muscle C. Sweat glands D. Splenic capsule

Last Answer : B. Ciliary muscle

Which nerve is assessed when the nurse asks the patient to dorsiflex the ankle and extend the toes? a) Peroneal The motor function of the peroneal nerve is assessed by asking the patient to dorsiflex the ankle and extend the toes while the sensory function is assessed by pricking the skin between the great and center toes. b) Radial The radial nerve is assessed by asking the patient to stretch out the thumb, then the wrist, and then the fingers at the metacarpal joints. c) Median The median nerve is assessed by asking the patient to touch the thumb to the little finger. d) Ulnar Asking the patient to spread all fingers allows the nurse to assess motor function affected by ulnar innervation.

Description : Which nerve is assessed when the nurse asks the patient to dorsiflex the ankle and extend the toes? a) Peroneal The motor function of the peroneal nerve is assessed by asking the patient to ... the patient to spread all fingers allows the nurse to assess motor function affected by ulnar innervation.

Last Answer : a) Peroneal The motor function of the peroneal nerve is assessed by asking the patient to dorsiflex the ankle and extend the toes while the sensory function is assessed by pricking the skin between the great and center toes.

Which nerve is assessed when the nurse asks the patient to spread all fingers? a) Ulnar Asking the patient to spread all fingers allows the nurse to assess motor function affected by ulnar innervation while pricking the fat pad at the top of the small finger allows assessment of the sensory function affected by the ulnar nerve. b) Peroneal The peroneal nerve is assessed by asking the patient to dorsiflex the ankle and extend the toes. c) Radial The radial nerve is assessed by asking the patient to stretch out the thumb, then the wrist, and then the fingers at the metacarpal joints. d) Median The median nerve is assessed by asking the patient to touch the thumb to the little finger.

Description : Which nerve is assessed when the nurse asks the patient to spread all fingers? a) Ulnar Asking the patient to spread all fingers allows the nurse to assess motor function affected by ulnar innervation ... The median nerve is assessed by asking the patient to touch the thumb to the little finger.

Last Answer : a) Ulnar Asking the patient to spread all fingers allows the nurse to assess motor function affected by ulnar innervation while pricking the fat pad at the top of the small finger allows assessment of the sensory function affected by the ulnar nerve.

Spindles is type of keys A. True B. False

Description : Spindles is type of keys A. True B. False

Last Answer : A. True

When running under no-load condition and with over excitation, armature current Ia drawn by a synchronous motor

Description : When running under no-load condition and with over excitation, armature current Ia drawn by a synchronous motor

Last Answer : When running under no-load condition and with over excitation, armature current Ia drawn by a synchronous motor Leads the applied voltage

The Ta/Ia graph of a d.c. series motor is a?

Description : The Ta/Ia graph of a d.c. series motor is a?

Last Answer : The Ta/Ia graph of a d.c. series motor is a parabola upto full-load and a straight line at overloads.

How can I fix/glue/strengthen a small child's wooden rocking chair, where the spindles are somewhat loose?

Description : How can I fix/glue/strengthen a small child's wooden rocking chair, where the spindles are somewhat loose?

Last Answer : WalMart. Gorilla Glue. Fix it and forget it.

What can I do to prevent and clean gray spots from my wood siding/porch spindles, which keep coming back?

Description : What can I do to prevent and clean gray spots from my wood siding/porch spindles, which keep coming back?

Last Answer : Need Answer

how to change front spindles on a Chevy Astro

Description : how to change front spindles on a Chevy Astro

Last Answer : Need Answer

The following are true about the lens: a. 90% of the weight of the lens is contributed by waterb. it has no sensory innervation c. the capsule is thicker posterior than anteriorly d. it has an equatorial diameter of about 15 mm

Description : The following are true about the lens: a. 90% of the weight of the lens is contributed by water b. it has no sensory innervation c. the capsule is thicker posterior than anteriorly d. it has an equatorial diameter of about 15 mm

Last Answer : it has no sensory innervation

Isoxsuprine increases limb blood flow in normal individuals, but is of limited efficacy in Buerger’s disease, because in this disease: A. Vasodilator β adrenoceptors are deficient B. There is loss of sympathetic innervation C. Blood flow to the affected limb is reduced by organic obstruction D. The drug is not delivered to the affected site

Description : Isoxsuprine increases limb blood flow in normal individuals, but is of limited efficacy in Buerger's disease, because in this disease: A. Vasodilator β adrenoceptors are deficient B. There is loss ... affected limb is reduced by organic obstruction D. The drug is not delivered to the affected site

Last Answer : C. Blood flow to the affected limb is reduced by organic obstruction

Isoxsuprine increases limb blood flow in normal individuals, but is of limited efficacy in Buerger’s disease, because in this disease: A. Vasodilator β adrenoceptors are deficient B. There is loss of sympathetic innervation C. Blood flow to the affected limb is reduced by organic obstruction D. The drug is not delivered to the affected site

Description : Isoxsuprine increases limb blood flow in normal individuals, but is of limited efficacy in Buerger's disease, because in this disease: A. Vasodilator β adrenoceptors are deficient B. There is loss ... affected limb is reduced by organic obstruction D. The drug is not delivered to the affected site

Last Answer : C. Blood flow to the affected limb is reduced by organic obstruction

Are intestines particularily innervated? Why?

Description : Are intestines particularily innervated? Why?

Last Answer : I don't want to scare you, but my cousin went to the ER for severe abdominal pain. They gave her pain pills and sent her home. That night she died. I think the doctors decision was based on the ... was overweight. If you are still in pain, talk to someone else. (This happened about two years ago.)

Muscarinic cholinergic receptors (a) Are located only on parasympathetically innervated effector cells (b) Mediate responses by opening an instrinsic Na+ ion channel (c) Are present on vascular endothelium which has no cholinergic nerve supply (d) Predominate in the autonomic ganglia

Description : Muscarinic cholinergic receptors (a) Are located only on parasympathetically innervated effector cells (b) Mediate responses by opening an instrinsic Na+ ion channel (c) Are present on vascular endothelium which has no cholinergic nerve supply (d) Predominate in the autonomic ganglia

Last Answer : Ans: C

The human lens: a. is innervated by the ophthalmic nerve b. has a uniform refractive index c. has a large radius of curvature anteriorly than posteriorly d. stops growing after birth

Description : The human lens: a. is innervated by the ophthalmic nerve b. has a uniform refractive index c. has a large radius of curvature anteriorly than posteriorly d. stops growing after birth

Last Answer : has a large radius of curvature anteriorly than posteriorly

The parotid gland: a. contains a fascial sheath which is innervated by second cervical nerve b. receives post-ganglionic parasympathetic nerve from the otic ganglion c. contains a duct which opens into the mouth opposite the upper canine tooth d. is composed of serous acini which contribute to the saliva e. is covered by the massenter

Description : The parotid gland: a. contains a fascial sheath which is innervated by second cervical nerve b. receives post-ganglionic parasympathetic nerve from the otic ganglion c. contains a duct which opens ... . is composed of serous acini which contribute to the saliva e. is covered by the massenter

Last Answer : contains a fascial sheath which is innervated by second cervical nerve

What is the Bilaminar Zone:** A. Formed of, or having, two laminae, or thin plates. Which is the distal attachment of superior hard lateral plate B. A vascular, innervated tissue that plays an important role in allowing the condyle to move foreward

Description : What is the Bilaminar Zone:** A. Formed of, or having, two laminae, or thin plates. Which is the distal attachment of superior hard lateral plate B. A vascular, innervated tissue that plays an important role in allowing the condyle to move foreward

Last Answer : B. A vascular, innervated tissue that plays an important role in allowing the condyle to move foreward

Muscarinic cholinergic receptors: A. Are located only on parasympathetically innervated effector cells B. Mediate responses by opening an intrinsic Na+ ion channel C. Are present on vascular endothelium which has no cholinergic nerve supply D. Predominate in the autonomic ganglia

Description : Muscarinic cholinergic receptors: A. Are located only on parasympathetically innervated effector cells B. Mediate responses by opening an intrinsic Na+ ion channel C. Are present on vascular endothelium which has no cholinergic nerve supply D. Predominate in the autonomic ganglia

Last Answer : C. Are present on vascular endothelium which has no cholinergic nerve supply

Muscarinic cholinergic receptors: A. Are located only on parasympathetically innervated effector cells B. Mediate responses by opening an intrinsic Na+ ion channel C. Are present on vascular endothelium which has no cholinergic nerve supply D. Predominate in the autonomic ganglia

Description : Muscarinic cholinergic receptors: A. Are located only on parasympathetically innervated effector cells B. Mediate responses by opening an intrinsic Na+ ion channel C. Are present on vascular endothelium which has no cholinergic nerve supply D. Predominate in the autonomic ganglia

Last Answer : C. Are present on vascular endothelium which has no cholinergic nerve supply

Bundles of striated muscle fibres called fasciculi are surrounded by a sheath called :-

Description : Bundles of striated muscle fibres called fasciculi are surrounded by a sheath called :-

Last Answer : Bundles of striated muscle fibres called fasciculi are surrounded by a sheath called :- A. Epimysium B. Perimysium C. Exomysium D. Endomysium

Muscle fibres having rounded ends are

Description : Muscle fibres having rounded ends are

Last Answer : Muscle fibres having rounded ends are A. Unstriped muscles B. Smoothe muscles C. Striated muscles D. All the above

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)

In human body, ligaments are made up of (1) white fibres and some yellow elastic fibres (2) white fibres only (3) yellow fibres only (4) yellow fibres and muscle fibres

Description : In human body, ligaments are made up of (1) white fibres and some yellow elastic fibres (2) white fibres only (3) yellow fibres only (4) yellow fibres and muscle fibres

Last Answer : (1) white fibres and some yellow elastic fibres Explanation: A ligament is composed of dense fibrous bundles of collagenous fibres and spindle-shaped cells known as fibrocytes, with little ground ... ligament is rich in elastic fibres, which are quite tough even though they allow elastic movement.

State the function of muscle fibres.

Description : State the function of muscle fibres.

Last Answer : Muscle fibres or myofibres are specialized cells capable of contraction and relaxation that is responsible for movement of limbs, bending of the body, movement of internal organs like heart, stomach and alimentary canal.

Hypersecretion of growth hormone in adults does not cause further increase in height, because (a) epiphyseal plates close after adolescence (b) bones loose their sensitivity to growth hormone in adults (c) muscle fibres do not grow in size after birth (d) growth hormone becomes inactive in adults.

Description : Hypersecretion of growth hormone in adults does not cause further increase in height, because (a) epiphyseal plates close after adolescence (b) bones loose their sensitivity to growth hormone in adults (c) muscle fibres do not grow in size after birth (d) growth hormone becomes inactive in adults.

Last Answer : (a) epiphyseal plates close after adolescence

Blood capillaries are made of (a) endothelium, connective tissue and muscle fibres (b) endothelium and muscle fibres (c) endothelium and connective tissue (d) endothelium only.

Description : Blood capillaries are made of (a) endothelium, connective tissue and muscle fibres (b) endothelium and muscle fibres (c) endothelium and connective tissue (d) endothelium only.

Last Answer : d) endothelium only.

The pacesetter in the heart is called (a) sino-atrial node (SAN) (b) atrio-ventricular node (AVN) (c) Purkinje fibres (d) papillary muscle.

Description : The pacesetter in the heart is called (a) sino-atrial node (SAN) (b) atrio-ventricular node (AVN) (c) Purkinje fibres (d) papillary muscle.

Last Answer : (b) atrio-ventricular node (AVN)

Bundle of His is a network of (a) muscle fibres distributed throughout the heart walls (b) muscle fibres found only in the ventricle wall (c) nerve fibres distributed in ventricles (d) nerve fibres found throughout the heart.

Description : Bundle of His is a network of (a) muscle fibres distributed throughout the heart walls (b) muscle fibres found only in the ventricle wall (c) nerve fibres distributed in ventricles (d) nerve fibres found throughout the heart.

Last Answer : (b) muscle fibres found only in the ventricle wall

Characteristics of smooth muscle fibres are (a) spindle-shaped, unbranched, nonstriated, uninucleate and involuntary (b) spindle-shaped, unbranched, unstriped, multinucleate and involuntary (c) cylindrical, unbranched, unstriped, multinucleate and involuntary (d) cylindrical, unbranched, striated, multinucleate and voluntary.

Description : Characteristics of smooth muscle fibres are (a) spindle-shaped, unbranched, nonstriated, uninucleate and involuntary (b) spindle-shaped, unbranched, unstriped, multinucleate and involuntary (c ... , multinucleate and involuntary (d) cylindrical, unbranched, striated, multinucleate and voluntary.

Last Answer : (a) spindle-shaped, unbranched, nonstriated, uninucleate and involuntary

Which one of the following contains the largest quantity of extracellular material? (a) Striated muscle (b) Areolar tissue (c) Stratified epithelium (d) Myelinated nerve fibres

Description : Which one of the following contains the largest quantity of extracellular material? (a) Striated muscle (b) Areolar tissue (c) Stratified epithelium (d) Myelinated nerve fibres

Last Answer : (b) Areolar tissue

Which one of the following is correct pairing of a body part and the kind of muscle tissue that moves it? (a) Biceps of upper arm – S m o o t h m u s c l e fibres (b) Abdominal wall – Smooth muscle (c) Iris – Involuntary smooth muscle (d) Heart wall – Involuntary unstriated muscle

Description : Which one of the following is correct pairing of a body part and the kind of muscle tissue that moves it? (a) Biceps of upper arm – S m o o t h m u s c l e fibres (b) Abdominal wall – Smooth muscle (c) Iris – Involuntary smooth muscle (d) Heart wall – Involuntary unstriated muscle

Last Answer : (b) Abdominal wall – Smooth muscle

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

Hypersecretion of Growth Hormone in adults does not cause further increase in height, because: (1) Epiphyseal plates close after adolescence. (2) Bones loose their sensitivity to Growth Hormone in adults. (3) Muscle fibres do not grow in size after birth. (4) Growth Hormone becomes inactive in adults.

Description : Hypersecretion of Growth Hormone in adults does not cause further increase in height, because: (1) Epiphyseal plates close after adolescence. (2) Bones loose their sensitivity to Growth Hormone in adults. ( ... fibres do not grow in size after birth. (4) Growth Hormone becomes inactive in adults.

Last Answer : (1) Epiphyseal plates close after adolescence.

In human body, ligaments are made up of (1) white fibres and some yellow elastic fibres (2) white fibres only (3) yellow fibres only (4) yellow fibres and muscle fibres

Description : In human body, ligaments are made up of (1) white fibres and some yellow elastic fibres (2) white fibres only (3) yellow fibres only (4) yellow fibres and muscle fibres

Last Answer : white fibres and some yellow elastic fibres

I am 20 and just received an underage drinking ticket a few weeks ago, and I have a court date on Tuesday. Is there something I have to prepare to say to the judge to see if they will reduce the ticket or take a class so that it will be taken off my record or will they just suggest it? Can anyone who HAS experience with this please respond?

Description : I am 20 and just received an underage drinking ticket a few weeks ago, and I have a court date on Tuesday. Is there something I have to prepare to say to the judge to see if they will ... taken off my record or will they just suggest it? Can anyone who HAS experience with this please respond?

Last Answer : answer:http://www.ask-public.com/disc/5634/i-just-recieved-an-underage-drinking-ticket/ Some info in there. If you have any questions after reading that ask here. I have three Minor in Possessions under my belt.

The extrapyramidal adverse effect of antipsychotic drug therapy which does not respond to central anticholinergics is: A. Parkinsonism B. Acute muscle dystonia C. Rabbit syndrome D. Tardive dyskinesia

Description : The extrapyramidal adverse effect of antipsychotic drug therapy which does not respond to central anticholinergics is: A. Parkinsonism B. Acute muscle dystonia C. Rabbit syndrome D. Tardive dyskinesia

Last Answer : D. Tardive dyskinesia

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)

Identify the wrong statement with reference to the gene ‘I’ that controls ABO blood groups. (a) The gene (I) has three alleles. (b) A person will have only two of the three alleles. (c) When IA and IB are present together, they express same type of sugar. (d) Allele i does not produce any sugar.

Description : Identify the wrong statement with reference to the gene ‘I’ that controls ABO blood groups. (a) The gene (I) has three alleles. (b) A person will have only two of the three alleles. (c) When IA and IB are present together, they express same type of sugar. (d) Allele i does not produce any sugar.

Last Answer : (c) When IA and IB are present together, they express same type of sugar.

Which of the following is not the reason for greater susceptibility of smaller sensory fibres to blockade by local anaesthetics than larger motor fibres: A. Sensory fibres are inherently more sensitive than motor fibres B. More slender fibres have shorter internodal distances C. Small sensory fibres generate higher frequency longer lasting action potential D. Smaller fibres have shorter critical lengths for blockade

Description : Which of the following is not the reason for greater susceptibility of smaller sensory fibres to blockade by local anaesthetics than larger motor fibres: A. Sensory fibres are inherently ... higher frequency longer lasting action potential D. Smaller fibres have shorter critical lengths for blockade

Last Answer : A. Sensory fibres are inherently more sensitive than motor fibres

Which of the following terms refers to muscle tension being unchanged with muscle shortening and joint motion? a) Isotonic contraction Exercises such as swimming and bicycling are isotonic. b) Isometric contraction Isometric contraction is characterized by increased muscle tension, unchanged muscle length, and no joint motion. c) Contracture Contracture refers to abnormal shortening of muscle, joint, or both. d) Fasciculation Fasciculation refers to involuntary twitch of muscle fibers.

Description : Which of the following terms refers to muscle tension being unchanged with muscle shortening and joint motion? a) Isotonic contraction Exercises such as swimming and bicycling are isotonic. b) ... , joint, or both. d) Fasciculation Fasciculation refers to involuntary twitch of muscle fibers.

Last Answer : a) Isotonic contraction Exercises such as swimming and bicycling are isotonic.