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Quiz 15
Mdcat-past-papers - SZABMU Quiz
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Board: SZABMU |
281. Cartilage cells contain small cavities distributed in the matrix and are called:
Shaft
Periosteum
Perichondrium
Lacunae
282. Which of the following type of cartilage is most abundant in human body?
Fibrous
Hyaline
Elastic
Flexible
283. __ is the inflammation of joints.
Osteoarthritis
Osteoporosis
Osteosclerosis
Arteriosclerosis
284. A condition in which a joint becomes swollen painful and immovable is called:
Spondylosis
Arthritis
Sciatica
Rickets
285. The muscle contraction involves the breakdown of cross bridges of actin and myosin filaments due to the following process:
ATP is oxidized
ATP is reduced
ATP is hydrolyzed
ATP is synthesized
286. What is the function of myoglobin?
Store oxygen
Store CO2
Transport oxygen
Transport CO2
287. Which feature is possessed by smooth muscles?
Multinucleate cells
contractile sarcomeres
Uninucleate cells
Striated appearance
288. What do we call the cell membrane of a muscle fibre?
sarcolemma
Plasma membrane
Sarcoplasm
Myofibrils
289. Contractile unit between two Z lines is absent in:
Skeletal muscles
Skeletal and cardiac muscles
Smooth muscles
skeletal muscles and smooth muscles
290. Sequence of nerve impulse initiation leading to muscle contraction:
3,1,2,4
1,2,3,4
4,2,3,1
2,3,4,1
291. Which one of the following muscles are considered as Voluntary Muscles?
Smooth muscles
Cardiac muscles
Skeletal muscles
Glandular muscles
292. What do we call the cell surface membrane of a muscle fibre?
Sarcolemma
Plasma membrane
Sarcoplasm
Myofibrils
293. Tetany is caused by ------ in blood.
Low Ca++
High Ca++
Low Mg++
High Mg++
294. Which axon would transmit an action potential most rapidly?
1mm diameter neuron lacking myelin
1mm diameter neuron with myelin
2mm diameter neuron lacking myelin
2mm diameter neuron with myelin
295. The junction between the axon ending of a neuron and the dendrites of another neuron is called:
Synapse
Nissl's body
Neuroglia
myelin sheath
296. During non-conducting state, the neuron membrane is permeable to efflux of:
K+
Na+
Ca+
Cl-
297. Nociceptors are concerned with sensations of:
Pressure
Pain
Touch
Vibration
298. Which sequence will be followed when impulse travel from receptor to effector?
Motor neuron → Inter neuron → Sensory Neuron
Inter neuron → sensory neuron → motor neuron
Sensory neuron → Inter neuron → motor neuron
Sensory neuron → Motor neuron → Inter neuron
299. Nerve impulse conducted from one node of Ranvier to another skipping the myelinated regions moves up to ----- times faster than unmyelinated axons.
50
100
120
30
300. In neurons the message is transmitted across synapse in the form of chemical messenger called:
Communication
Neurotransmitter
Nerve Impulse
Noci receptors
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