Description : Joint between humerus and radio-ulna is
Last Answer : Joint between humerus and radio-ulna is A. Ball & socket B. Pivot C. Gliding D. Hinge
Last Answer : Joint between humerus and radio-ulna is A. Saddle joint B. Hinge joint C. Fibrous joint D. Ball and socket
Description : Trochlea of which bone fits in the sigmoid notch of ulna ?
Last Answer : Trochlea of which bone fits in the sigmoid notch of ulna ? A. Humerus B. Radius C. Femur D. Scaphid
Description : Is the biceps muscles attached to the ulna?
Last Answer : What is the answer ?
Description : The longest bone in the human body is (1) Ulna (2) Humerus (3) Femur (4) Tibia
Last Answer : (3) Femur Explanation: The femur or thigh bone, is the most proximal (closest to the center of the body) bone of the leg in tetrapod vertebrates capable of walking or jumping, such as most ... articulates with the acetabulum. By most measures the femur is one of the strongest bones in the body.
Description : The longest bone in human body is------? A. Ulna B. Tibia C. Femur (Answer) D. Humerus
Last Answer : C. Femur (Answer)
Description : Match the following joints with the bones involved: (1) Gliding joint (i) Between carpal and metacarpal of thumb (2) Hinge joint (ii) Between atlas and axis (3) Pivot joint (iii) Between the carpals (4) Saddle joint (iv) Between humerus and ... ), (4)-(i) (d) (1)-(i), (2)-(iii), (3)-(ii), (4)-(iv)
Last Answer : (a) (1)-(iii), (2)-(iv), (3)-(ii), (4)-(i)
Description : A deltoid ridge occurs in (a) radius (b) ulna (c) femur (d) humerus.
Last Answer : (d) humerus.
Description : Three of the following pairs of the human skeletal parts are correctly matched with their respective inclusive skeletal category and one pair is not matched. Identify the non-matching pair. Pair ... girdle cavity (c) Humerus and ulna Appendicular skeleton (d) Malleus and stapes Ear ossicles
Last Answer : (b) Clavicle and glenoid Pelvic girdle cavity
Description : The longest bone in the human body is : (1) Ulna (2) Humerus (3) Femur (4) Tibia
Last Answer : Femur
Description : Liquid Helium at `2.2K` and at 1 atm pressure flows in the upward direction. It is because of its low
Last Answer : Liquid Helium at `2.2K` and at 1 atm pressure flows in the upward direction. It is because ... . heat of vapourisation C. viscosity D. surface tension
Description : What is the direction of micropyle in anatropous ovule? (a) Upward (b) Downward (c) Right (d) Left
Last Answer : b) Downward
Description : What is the direction of movement of sugars in phloem? (a) Bi-directional (b) Non-multidirectional (c) Upward (d) Downward
Last Answer : (a) Bi-directional
Description : If the plane table is not horizontal in a direction at right angles to the alidade, the line of sight is parallel to the fiducial edge only for (A) Horizontal sights (B) Inclined sights upward (C) Inclined sight downward (D) None of these
Last Answer : (A) Horizontal sights
Description : A critical hydraulic gradient may occur when (A) Flow is in upward direction (B) Seepage pressure is in upward direction (C) Effective pressure is zero (D) All the above
Last Answer : Answer: Option D
Description : What is a temporary or permanent local deviation of the OTDR signal in the upward or downward direction called?
Last Answer : A point defect.
Description : The direction in which the formal communication flows is always (a) Upward (b) Downward (c) Horizontal (d) All of these
Last Answer : d) All of these
Description : A boy is standing on an elevator which is traveling downward with a constant velocity of 30 meters per second. The boy throws a ball vertically upward with a velocity of 10 meters per second ... the ball, MAGNITUDE AND DIRECTION, relative to the elevator shaft the instant the boy releases the ball?
Last Answer : ANSWER: 20 METERS PER SECOND DOWN
Description : Which of the following statements is not correct? (a) An action potential in an axon does not move backward because the segment behind is in a refractory phase. (b) Depolarisation of hair cells ... d) In the knee-jerk reflex, stimulus is the stretching of muscle and response is its contraction.
Last Answer : (c) Rods are very sensitive and contribute to daylight vision.
Description : What are hair like structures that move particles upward to the pharynx for coughing or swallowing?
Last Answer : Need answer
Description : Effect of a force on a body depends upon (A) Magnitude (B) Direction (C) Position or line of action (D) All of the above
Last Answer : (D) All of the above
Description : For every action, there is an equal, opposite reaction. Therefore, does the space station move in the opposite direction each time an astronaut pushes off from a bulkhead?
Last Answer : Yes, ever so slightly. But the astronaut must then soon contact the opposite side of the station, imparting a force in the other direction.
Description : The relaxation techniques of progressive muscle relaxation, relaxation with guided imagery, and the Benson Relaxation Response share which of the following elements? a) A mental device (something on which ... required to assist an individual to learn techniques to reduce one's response to stress.
Last Answer : a) A mental device (something on which to focus the attention) Similar elements also include a quiet environment, a comfortable position, and a passive attitude.
Description : In paralytic squint, the difference between primary and secondary deviation in the gaze of direction of the paralytic muscle: a. Increases b. Decreases c. Remains the same
Last Answer : ANSWER: A
Description : According to sliding filament theory of muscle contraction, the filament that move to shorten a muscle are
Last Answer : According to sliding filament theory of muscle contraction, the filament that move to shorten a muscle ... B. Actin C. Collagen D. Creatine phosphate
Description : Select the INCORRECT statement concerning the muscular system. a) Bones contact other bones at joints. b) Flexors decrease the angle of a joint. c) Adductors move a limb away from the midline. d) Tendons attach muscle to bone.
Last Answer : ANSWER: C -- ADDUCTORS MOVE A LIMB AWAY FROM THE MIDLINE.
Description : What Reverse action of muscle?
Description : What are the functions of potassium? (A) In muscle contraction (B) Cell membrane function (C) Enzyme action (D) All of these
Last Answer : Answer : D
Description : Propranolol does not block the following action of adrenaline (a) Bronchodilation (b) Lipolysis (c) Muscle tremor (d) Mydriasis
Last Answer : Ans: D
Description : Cromolyn has as its major action (a) Block of calcium channels in lymphocytes (b) Block of mediator release from mast cells (c) Block of phosphodiesterase in mast cells and basophils (d) Smooth muscle relaxation in the bronchi (e) Stimulation of cortisol release by the adrenals
Last Answer : Ans: B
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
Description : The smooth muscle stimulating action of 5-HT is most marked in the (a) Bronchi (b) Intestines (c) Ureter (d) Billary tract
Description : The action of quinidine differs from that of digitalis in (a) Decreasing irritability of cardiac muscle (b) Preventing passage of impulses to the ventricle (c) Increasing irritability of heart muscle (d) Reducing conductivity (e) None of the above
Last Answer : Ans: A
Description : Regarding verapamil, which one of the following statements is false? (a) Angina pectoris is an important indication for the use of verapamil (b) Contraindicated in the asthmatic patient (c) ... phase of the action potential in AV nodal cells (e) Used in management of supraventricular tachycardias
Description : The sequence of events in muscle contraction a. action potential depolarise the T-tubules b. depolarisation of T-tubules release calcium from sarcoplasmic reticulum c. calcium binds to the troponin-tropomycin complex d. all above
Last Answer : all above
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.
Description : Anthelmintic action of piperazine is due to: A. Interference with ATP generation in the worm B. Blockade of glucose uptake by the worm C. Hyperpolarization of nematode muscle by GABA agonistic action D. Depolarization of nematode muscle by activating nicotinic receptors
Last Answer : C. Hyperpolarization of nematode muscle by GABA agonistic action
Description : Metoclopramide blocks apomorphine induced vomiting, produces muscle dystonias and increases prolactin release indicates that it has: A. Anticholinergic action B. Antihistaminic action C. Anti 5-HT3 action D. Antidopaminergic action
Last Answer : D. Antidopaminergic action
Description : Organic nitrates have predominantly venodilator action because: A. They are selectively concentrated in veins B. Veins express larger quantities of enzymes that generate nitric oxide from nitrates C. Venous smooth muscle has greater capacity to relax D. All of the above are correct
Last Answer : B. Veins express larger quantities of enzymes that generate nitric oxide from nitrates
Description : Angiotensin III is equipotent to angiotensin II in: A. Releasing aldosterone from adrenal cortex B. Promoting Na+ and water reabsorption by direct intrarenal action C. Causing vasoconstriction D. Contracting intestinal smooth muscle
Last Answer : A. Releasing aldosterone from adrenal cortex
Description : Zolpidem differs from diazepam in that: A. It is safer in overdose than diazepam B. Its hypnotic action shows little fading on repeated nightly use C. It causes more marked suppression of REM sleep D. It has more potent muscle relaxant action
Last Answer : B. Its hypnotic action shows little fading on repeated nightly use
Description : Choose the drug that has been found to be more selective for the ω1 subtype of BZD receptor, and produces hypnotic action but little antianxiety, muscle relaxant or anticonvulsant actions: A. Zopiclone B. Zolpidem C. Flumazenil D. Melatonin
Last Answer : B. Zolpidem
Description : Select the correct statement about benzodiazepines (BZDs): A. All BZDs facilitate GABA mediated Cl¯ influx into neurones B. Different BZDs exert the same degrees of hypnotic, anxiolytic and anticonvulsant ... at all neuronal sites D. The muscle relaxant action of BZDs is not blocked by flumazenil
Last Answer : A. All BZDs facilitate GABA mediated Cl¯ influx into neurones
Description : The anaesthetic action of thiopentone sodium is characterised by: A. Good muscle relaxation B. Poor analgesia C. Sensitization of heart to adrenaline D. No postoperative residual CNS depression
Last Answer : B. Poor analgesia
Description : The following general anaesthetic has poor muscle relaxant action: A. Ether B. Nitrous oxide C. Halothane D. Isoflurane
Last Answer : B. Nitrous oxide
Description : Dantrolene sodium reduces skeletal muscle tone by: A. Reducing acetylcholine release from motor nerve endings B. Suppressing spinal polysynaptic reflexes C. Inhibiting the generation of muscle action potential D. Reducing Ca2+ release from sarcoplasmic reticulum in the muscle fibre
Last Answer : D. Reducing Ca2+ release from sarcoplasmic reticulum in the muscle fibre
Description : The site of action of d-tubocurarine is: A. Spinal internuncial neurone B. Motor nerve ending C. Muscle end-plate D. Sodium channels in the muscle fibre
Last Answer : C. Muscle end-plate
Description : The action of histamine that is not mediated through H1 receptors is: A. Release of EDRF from vascular endothelium resulting in vasodilatation B. Direct action on vascular smooth muscle causing vasodilatation C. Bronchoconstriction D. Release of catecholamines from adrenal medulla
Last Answer : B. Direct action on vascular smooth muscle causing vasodilatation
Description : The site of action of miotics for therapeutic effect in angle closure glaucoma is: A. Canal of Schlemm B. Ciliary body C. Ciliary muscle D. Sphincter pupillae muscle
Last Answer : D. Sphincter pupillae muscle
Description : Edrophonium is more suitable for differentiating myasthenic crisis from cholinergic crisis because of its: A. Shorter duration of action B. Longer duration of action C. Direct action on muscle end-plate D. Selective inhibition of true cholinesterase
Last Answer : A. Shorter duration of action