QUESTIONS AND ANSWERS (LATEST
2024)
Which hormone produced by the placenta causes the mother's pubic symphysis
toloosen and widen?
• relaxin
• hCg
• estrogen
• progesterone - Correct Answer -a. relaxin
Which of the following is not a common metabolic/physiological change that occurs
inpregnant females?
• lower blood pressure
• glucose sparing
• increased urine production
• increased tidal volume - Correct Answer -a. lower blood
pressure
The events of puberty are cause by
• an increase in gonadal hormones
• reaching the age of 13
• a decrease in gonadal hormones
• an increase in pituitary hormones - Correct Answer -a. an increase in
gonadalhormones
Which of the following is not a result of the estrogen surge in females during puberty?
• increased fat deposit in hips and breasts
• axillary and pubic hair growth
• deepening of the voice
• widening of the pelvis - Correct Answer -c. deepening of the voice
The hormone involved in the positive feedback cycle that causes labor contractions is
,• surfactant protein A
• progesterone
• oxytocin
• cortisol - Correct Answer -c. oxytocin
Virtually all of the protein or amino acid-based hormones exert their effects
throughintracellular .
• ions
• deactivators
• second messengers
• nucleotides - Correct Answer -c. second messengers
Chemical Substances secreted by cells into the extracellular fluids that regulate
themetabolic function of other cells in the body are called .
• proteins
• antibodies
• hormones
• enzymes - Correct Answer -c. hormones
The master gland of the endocrine system is the .
• endocrine
• pituitary
• adrenal
• thyroid - Correct Answer -b. pituitary
The secretion of hormones in response to changing blood levels of ions is known as
.
• neural stimulus
• hormonal stimulus
• humoral stimulus
• ionic stimulus - Correct Answer -c. humoral stimulus
The hormone that has the greatest effect on the metabolic rate is .
• growth hormone
• aldosterone
• thyroid
, • cortisol - Correct Answer -c. thyroid
When blood glucose levels fall, the pancreas releases .
• insulin
• melatonin
• glucose
• glucagon - Correct Answer -d.
glucagon
When parathyroid hormone is released
• blood calcium levels fall
• osteoclasts are activated
• calcitonin is inhibited
• calcium channels are blocked - Correct Answer -b. osteoclasts are
activated
The cells with the most receptors for growth hormones are
• liver
• nerves
• bones
• blood vessels - Correct Answer -c.
bones
Steroid hormones influence other cells by
• activating cyclic AMP
• entering the nucleus of the cell and altering the expression of the gene
• binding specific receptors and activating G proteins
• stimulating the uptake of glucose - Correct Answer -b. entering the nucleus of
thecell and altering the expression of the gene
The major plasma protein is
• thrombin