HOMEOSTASIS

The first part of the menstrual cycle.

• follicular phase

• ovulatory phase

• luteal phase

• menses

Which hormone is secreted by the Graffian follicle to exhibit a negative feedback mechanism in the follicular stage?

• LH

• FSH

• GnRH

• inhibin

Which does not belong to the group?

• inhibits urination

• dilates pupil

• stimulates saliva production

• accelerates heart

LH surge triggers (a)  

This happens when estrogen causes the lining of the uterus to grow.

• menstruation phase

• ovulatory phase

• proliferative phase

• secretory phase

It is a neurotransmitter that is responsible for muscle movement

• dopamine

• serotonin

• epinephrine

• acetylcholine

The hormone that triggers uterine contraction.

• Prolactin

• oxytocin

• androgen

• vasopressin

Which is not true about reflex arc?

• Motor neurons transmit signals to effectors

• Signals are integrated by the spinal cord

• Information is processed by the brain

• Sensory neurons transmit signals to spinal cord

Which is produced by the adrenal medulla?

• glucagon

• glucocorticoids

• adrenaline

• calcitrol

(a)   are cells responsible for transmitting electrochemical signals.