Question S-Which quantity in the figure below be expired after normal expiration
ID: 3519717 • Letter: Q
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Question S-Which quantity in the figure below be expired after normal expiration? represents the additional volume of air that can ? ERV D FRC IRV VC TLC FRC ERV RV Time Question 7- Which of the following are true for smooth muscle, but not skeletal muscle? ? sarcomeres are the contractile unit contraction can be classified as either tonic or phasic contraction is slow, relative to other types of muscle have a striated (or striped) appearance contraction is regulated involuntarily by the autonomic nervous system Question 8-Which of the following are true for the somatic nervous system has two divisions-the sympathetic and parasympathetic effect is always stimulatory pathway from the central nervous system to the effector organ involves a pre- and post- ganglionic axon ? acetylcholine is the neurotransmitter used at the effector organ Question 9- Where does the first step of urine formation in the kidney take place? loop of Henle distal convoluted tubule glomerulus ? collecting ductExplanation / Answer
Q. 5 ERV is the answer. It is the volume of air expired after normal expiration.
RV is the volume of air left in lungs after forceful expiration.
TV is the normal amount of air exchange in a normal breath.
FRC is the amount of air left in the lungs after normal expiration.
Q. 7. Sarcomere are individual units present in skeletal muscle. Smooth muscle lack proper orientation. Tonic and phasic contraction occur in skeletal muscle. Contraction of smioth. Skeletal muscle have a striated appearance. Answer IS c and e. As speed is slow in smooth muscles and skeletal muscles are voluntary.
Q. 8 sympathetic and parasympathetic are division of ANS. Pre and post ganglionic occur in ANS. The effect of SNS is not always stimulatory.
Ans. D acetylcholine is the neurotransmitter.
Q. 9. Answer is glomerulus.
The first step of urine formation takes place in glomerulus where blood is filtered and urine is separated.
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