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OT - Oxytocin from the posterior pituitary causes milk ejection
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∙ 13y ago
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Why does jendrassik's manoeuvre alter the amplitude of the reflex response?
It increases the reflex, as the subject is distracted by performing the manoeuvre and is said to prevent conscious anticipation of the reflex. Generally it should cause an increase in the duration and the magnitude of the reflex.
Is oxytocin an anterior pituitary hormone?
Oxytocin is made in the posterior pituitary. Oxytocin prompts the let-down reflex, and stimulates contraction of the uterus during childbirth.
What do you touch in order to trigger a rooting reflex on an infant?
A reflex in infants in which rubbingor scratching about the mouth causes the infant to turn its head toward the stimulus.
What serves as the effector for micturition reflex arc?
An efferent somatic (pudendal nerve) output to the external sphincter which relaxes the external sphincter and causes the urine to flow through the urethra is the effector part of the reflex arc.
Which ligament of the initiates the knee jerk reflex when tapped?
The patellar ligament initiates the knee jerk reflex when tapped. When the patellar tendon is tapped just below the patella, the sensory neurons detect the sudden stretch and send an impulse to the spinal cord. This reflex causes the contraction of the quadriceps muscles, resulting in the extension of the leg.
Is Breast feeding let down reflex a positive or negative?
Its a positive for the baby.
Does age effect reflex actions?
yes. as you grow older your reflexes can get worn out. this causes them to slow down
The reflex that causes an infant to close its fist when the palm is touched is called the what reflex?
Grasp reflex
Does A Reflex causes a Stimulus?
Yes
What reflex causes muscles relaxation and lengthening in response to muscle tension?
The reflex of the Golgi tendon.
What are the problems when reflex actions slow down as people get older?
Because as you grow older, your reflexes start to worn out this causes them to become slow
What agent causes no gag reflex and decreased eye movement and nausea and vomiting?
Botulism causes no gag reflex and decreased eye movement and nausea and vomiting.
Why would a woman have sore nipples with milk when not pregnant?
If the woman is sexually active and her partner is sucking the breast as hard as a baby, the "let down" reflex is stimulated and the brain will let down milk. The soreness may be from the partner sucking too hard.
Name the division of autonomic nervous system responsible for pupillary light reflex?
The division of autonomic nervous system responsible for pupillary light reflex is the parasympathetic system. This is what causes the pupils to close down or open up in response to lighting conditions.
If a bee sting on the right thigh causes a quick involuntary reaction of the right arm what kind of reflex occured?
If a bee sting on the right thigh causes a quick involuntary reaction of the right arm, this would be an example of an intersegmental reflex. This is an unconditioned reflex.
Why does jendrassik's manoeuvre alter the amplitude of the reflex response?
It increases the reflex, as the subject is distracted by performing the manoeuvre and is said to prevent conscious anticipation of the reflex. Generally it should cause an increase in the duration and the magnitude of the reflex.
Is oxytocin an anterior pituitary hormone?
Oxytocin is made in the posterior pituitary. Oxytocin prompts the let-down reflex, and stimulates contraction of the uterus during childbirth.
