Life Science

Chapter 22: Regulation and Reproduction

Regulation and Reproduction

Your Results:

The correct answer for each question is indicated by a .

1.			Which of these is true? Need a Hint?
			A)	The nervous system doesn't react as quickly as the endocrine system.
			B)	The endocrine system doesn't react as quickly as the nervous system.
			C)	The endocrine system and the nervous system do not work together.
			D)	The nervous system and the endocrine system have similar reaction times.
2.			Sperm production is more efficient __________. Need a Hint?
			A)	when the organs are inside the body
			B)	at higher temperatures
			C)	at lower temperatures
			D)	when produced in the ovaries
3.			The __________ response to a fearful situation is one function of the endocrine system. Need a Hint?
			A)	come-or-go
			B)	passive
			C)	reproductive
			D)	fight-or-flight
4.			The average length of a human female menstrual cycle is __________. Need a Hint?
			A)	more than 45 years
			B)	less than 24 h
			C)	about 28 days
			D)	nine months
5.			When does ovulation occur in the menstrual cycle? Need a Hint?
			A)	during fertilization
			B)	during menopause
			C)	14 days before menstruation begins
			D)	soon after birth
6.			The first menstrual period usually occurs _________. Need a Hint?
			A)	before age 9
			B)	after age 45
			C)	between ages nine and 13
			D)	between ages 45 and 60
7.			Which of these is the process that continues life? Need a Hint?
			A)	reproduction
			B)	adolescence
			C)	infancy
			D)	homeostasis
8.			The mixture of sperm and fluid is called __________. Need a Hint?
			A)	testes
			B)	uterus
			C)	semen
			D)	ovulation
9.			Hormones from the endocrine system get to the bloodstream __________. Need a Hint?
			A)	directly from mucous secretions
			B)	through ducts
			C)	directly from the glands
			D)	through cell division
10.			__________ are produced by the endocrine system. Need a Hint?
			A)	Nerves
			B)	Tissues
			C)	Hormones
			D)	Blood cells
11.			Which of these is true about adulthood? Need a Hint?
			A)	Males usually start their growth spurts.
			B)	The growth of the muscular system begins.
			C)	Females usually begin to have menstrual cycles.
			D)	The growth of the skeletal system stops.
12.			Which of these is a hormone produced in the pancreas? Need a Hint?
			A)	uterus
			B)	insulin
			C)	ducts
			D)	sperm
13.			Fraternal twins __________. Need a Hint?
			A)	cannot be one boy and one girl
			B)	can be only two girls
			C)	can be one boy and one girl
			D)	can be only two boys
14.			Which of these connects the uterus to the outside of a woman's body? Need a Hint?
			A)	the vagina
			B)	the ovary
			C)	the seminal vesicle
			D)	the sperm duct
15.			What is the period of the first four weeks of a baby's life called? Need a Hint?
			A)	the adolescence period
			B)	the adulthood period
			C)	the neonatal period
			D)	the fertilization period
16.			What is the flow of blood and tissue cells from the uterus called? Need a Hint?
			A)	semen
			B)	menstruation
			C)	ovulation
			D)	fertilization
17.			Which of these is true? Need a Hint?
			A)	Triplets can never be a combination of boys and girls.
			B)	Identical twins can be one boy and one girl.
			C)	Identical twins are always the same gender.
			D)	Triplets are always three boys.
18.			__________ controls the amount of hormones the endocrine system sends. Need a Hint?
			A)	A fight-or-flight response
			B)	A negative-feedback system
			C)	The placenta
			D)	The pelvis
19.			Which of these is an organ in the female reproductive system? Need a Hint?
			A)	the scrotum
			B)	the uterus
			C)	the urethra
			D)	the eggs
20.			__________ carries nutrients and oxygen to the developing embryo from its mother. Need a Hint?
			A)	The endocrine glands
			B)	The negative-feedback system
			C)	The umbilical cord
			D)	The menstrual cycle

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