17) In this convulsion, the body is arched in hypertension (opisthotonos) so tha

Question

17) In this convulsion, the body is arched in hypertension (opisthotonos) so that only the crown of the head and the heels may be touching the ground. This action is most likely from an overdose of:
a) Dopamine
b) Epinephrine
c) Norepinephrine
d) Strychnine
e) Curare as a chemical xenobiotic
18) In severe diabetic patients and in patients in uremic acidosis where the pH drops from 7.4 to 6.95 there is significant:
a) Coma and depression of neural activity
b) Increased excitability of neurons
c) Damage to the substantia nigra
d) Rhabdomyolysis
e) Myoglobinernia
19) The exchange across the brain capillary vessels between plasma and tehinterstitial fluid is so different from that in other capillary beds and the rate of exchange across the capillary walls of many physiological important substances is so slow, so we speak of this area as:
a) Myophophorylase deficiency glycogenesis
b) Blood brain barrier in CNS
c) Granulocyte macrophage colony stimulating factor
d) Erythrobastosis fetalis
e) Granulocyte colony stimulating factor (CSF)
20) Gases diffuse into and out of the blood in skeletal muscle mainly in the:
a) Arteries
b) Veins
c) Capillaries
d) Arterioles
e) Venules
21) Together blood plasma, lymph fluid and interstitial fluid make up:
a) Transcellular fluid
b) Intracellular fluid
c) Extracellular fluid
d) Spinal fluid
e) Extracellular fluid and intracellular fluid
22) The motor neuron and the skeletal muscle fibers innervated are referred to as:
a) Renshaw cells
b) Extrinsic factor pf pernicious anemia
c) Sarcomeres
d) Motor unit or macro motor unit
e) Effectors of troponins C, troponin T and troponin I
23) A tap on the patellar tendon gives rise to contraction of the quadriceps muscle. This myotatic reflex is best called:
a) Stretch evoke simple reflex
b) Neural plasticity
c) Conditioned reflex
d) Emphatic conduction
e) Stair case phenomenon of skeletal muscle
24) Fast and slow neural axonal transport of peptide neurotransmitter mediated mainly with the aid of:
a) Antibodies and miotics
b) Microtubules
c) Vitiligo
d) Chroid plexus
e) Small intestine

Explanation / Answer

17) In this convulsion, the body is arched in hypertension (opisthotonos) so that only the crown of the head and the heels may be touching the ground. This action is most likely from an overdose of:
a) Dopamine
b) Epinephrine
c) Norepinephrine
d) Strychnine
e) Curare as a chemical xenobiotic

18) In severe diabetic patients and in patients in uremic acidosis where the pH drops from 7.4 to 6.95 there is significant:
a) Coma and depression of neural activity
b) Increased excitability of neurons
c) Damage to the substantia nigra
d) Rhabdomyolysis
e) Myoglobinernia

19) The exchange across the brain capillary vessels between plasma and tehinterstitial fluid is so different from that in other capillary beds and the rate of exchange across the capillary walls of many physiological important substances is so slow, so we speak of this area as:
a) Myophophorylase deficiency glycogenesis
b) Blood brain barrier in CNS
c) Granulocyte macrophage colony stimulating factor
d) Erythrobastosis fetalis
e) Granulocyte colony stimulating factor (CSF)

20) Gases diffuse into and out of the blood in skeletal muscle mainly in the:
a) Arteries
b) Veins
c) Capillaries
d) Arterioles
e) Venules

21) Together blood plasma, lymph fluid and interstitial fluid make up:
a) Transcellular fluid
b) Intracellular fluid
c) Extracellular fluid
d) Spinal fluid
e) Extracellular fluid and intracellular fluid

22) The motor neuron and the skeletal muscle fibers innervated are referred to as:
a) Renshaw cells
b) Extrinsic factor pf pernicious anemia
c) Sarcomeres
d) Motor unit or macro motor unit
e) Effectors of troponins C, troponin T and troponin I

23) A tap on the patellar tendon gives rise to contraction of the quadriceps muscle. This myotatic reflex is best called:
a) Stretch evoke simple reflex
b) Neural plasticity
c) Conditioned reflex
d) Emphatic conduction
e) Stair case phenomenon of skeletal muscle

24) Fast and slow neural axonal transport of peptide neurotransmitter mediated mainly with the aid of:
a) Antibodies and miotics
b) Microtubules
c) Vitiligo
d) Chroid plexus
e) Small intestine

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