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WorksheetsMARROW- Batch 2021 (Quiz Night)
Total questions: 35
Worksheet time: 18mins
Which among the following is embryologically and physiologically unrelated to other neural cells?
Astrocytes
Schwann Cells
Oligodendrocyte
Microglia
In a cutaneous sensory neuron, at which of the following places is the propagated action potential generated?
First node of Ranvier
Initial segment
Dendrite
Nerve ending
A slowly rising stimulus fails to fire a nerve because of a process known as ___.
Adaptation
Accomodation
Refractoriness
Electrotonus
Fast axonal transport is by all except ___
Dynein
Kinesin
Neurofilaments
Microtubutes
The following effect in the motor neuron is due to:
Opening of chloride ion channels through the pre-synaptic neuronal membrane
Increase in conductance of potassium ions to the inside of the neuron
Activation of receptor enzymes that increase the number of inhibitory synaptic receptors
Increase in conductance of sodium ions inside the neurons
Feedforward inhibition is seen in ____
Medulla
Pituitary gland
Cerebellum
Renshaw cell
Which of the following is true regarding excitation-contraction coupling in smooth muscle?
Presence of troponin is essential
Sustained contraction occurs with high calcium concentration
Phosphorylation of actin is required for contraction
Cellular calcium concentration is essential to cause contraction
Which of the following statements regarding smooth muscle is false?
Unitary smooth muscle has an unstable membrane potential
Dense Bodies are present instead of Z lines
It canexert a variable tension at any given length
Sympathetic stimulation produces excitatory membrane potentials
In human skeletal muscles, calcium ions are stored in?
Terminal cistern
Sarcolemma
Transverse tubules
All are correct
Slow inhibitory postsynaptic potential (IPSP) is generated by all except ___
Cardiac muscle
Skeletal muscle
Smooth muscle
Autonomic ganglia
Which of the following is the rate-limiting step for hepatic bilirubin metabolism?
Transport of bilirubin with albumin
Uptake of bilirubin by liver
Conjugation of bilirubin
Secretion of conjugated bilirubin into the bile
Which of the following is false?
Cofactors have fuctions similar to those of prosthetic groups.
Cofactors bind in a transient, dissociable manners to enzymes
The most common cofactors are metal ions
Enzymes that use metal ion as a cofactor are termed as metalloenzymes
Which of the following enzyme does not participate in a ping-pong reaction?
Serine proteases
Aminotransferases
Pyruvate carboxylase
Aldolase
Which of the following enzymes are involved in gluconeogenesis?
(A) Pyruvate carboxylase
(B) Phosphoenol pyruvate kinase
(C) Hexokinase
(D) Pyruvate kinase
(E) Glucose 6 phosphatase
A, B and E only
B and C only
A and E only
A, B and C only
Which of the following has the highest glycemic index?
Glucose
Fructose
Sucrose
Sugar alcohols
What would be the respiratory quotient if someone is on an exclusive carbohydrate diet?
0.7
0.8
1
1.2
Which of the following tests can be used to estimate the liver function in a patient with chronic liver disease?
Glucose Tolearance Test
Fructose Tolearance Test
Galactose Tolerance Test
Lactose Tolerance Test
Which of the following mucopolysaccharides does not contain uronic acid?
Chondroitin sulfate
Hyaluronic acid
Keratan sulfate
Dermatan sulfate
A 7-year-old boy presented with dwarfism and skeletal abnormalities. Upon examination, the abdomen was distended with no hepatosplenomegaly. The child was assessed and was found to be of normal intelligence. Which of the following mucopolysaccharidoses could be a likely cause?
Hurler's disease
Hunter's disease
Sanfilippo disease
Morquio's disease
Nagalzyme is used for treating patients with which of the following diseases?
Maroteaux-Lamy syndrome
Morquio's disease
Von Gierkes disease
Niemann-Picks disease
Which of the following is false about clavicle?
Ossify partly in membrane and partly in cartilage
Transmits part of the weight of upper limb to the axial skeleton
It is subcutaneous throughout its length
Fractures typically occur at the junction of medial 1/3rd and lateral 2/3rd
Which ligament transmits the weight of the upper limb to the axial skeleton?
1. Costoclavicular ligament
2. Coracoacromial ligament
3. Coracoclavicular ligament
4. Coracohumeral ligament
5. Sternoclavicular ligament
1, 3 and 5
1 and 3 only
2 and 3 only
2, 4 and 5
Which muscle is attached to the floor of the structure marked A?
Latissimus dorsi
Teres major
Long head of biceps
Pectoralis major
A 17-year-old boy presented with instability of the shoulder joint following sports trauma. Injury to all of the following structures may cause this condition except:
Teres major
Supraspinatus
Tendon of long head of biceps
Coracoacromial ligament
A normal scapulohumeral rhythm is in the ration of ___
1:1
1:2
2:1
3:1
A 22-year-old presented with pain and stiffness in the neck following a blow with a hockey stick. On examination, the right shoulder is drooping. Which of the following muscles is likely to be paralyzed?
Trapezius
Deltoid
Latissimus dorsi
Serratus anterior
Following radical mastectomy, the patient is unable to extend, adduct, and internally rotate the arm. Innervation to which of the following muscles is likely to be damaged?
Deltoid
Teres minor
Latissimus dorsi
Pectoralis major
Which of the following muscles cross both the shoulder and elbow joint?
Brachialis and biceps brachii
Coracobrachialis and biceps brachii
Long head of triceps and brachialis
Long head of triceps and biceps brachialis
Which of the following is not a composite muscle?
Brachialis
Flexor pollicis brevis
Trapezius
Flexor digitorum superficialis
All of the following muscles are innervated by the posterior interosseous nerve except:
Extensor carpi ulnaris
Extensor carpi radialis longus
Extensor digitorum
Extensor digiti minimi
What is every color in Scooby-Doo
Brown, Green, Yellow, Blue
Brown, Green, Black, Yellow
Red, Black, Brown
Black and Brown
What vegetables does Shinchan hates the most
Spinach
Capsicum and peas
Only beans
Choco Chips
Identify the best series of Sony Channel?
Crime Patrol Dastak
CID
Chacha Choudhary
Detective Raghav
Identify the Cartoon
Don the Builder
Bob the Builder
Ron the Builder
Rob the Builder
Which gadget helps us to go anywhere?
Animated Door
Anywhere Door
Anywhere Cycle
None of the above
